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  • prg.python.base.code="import os import math import textwrap class Util(object): @classmethod def isArray(cls, var): return isinstance(var, (list, tuple)) @classmethod def isString(cls, var): return isinstance(var, str) @classmethod def isInteger(cls, var): if cls.isString(var): return var.isdigit() else: try: int(var) return True except ValueError: return False except TypeError: return False @classmethod def isNumeric(cls, var): try: float(var) return True except ValueError: return False except TypeError: return False @classmethod def implode(cls, container, separator = ", ", lastSeparator = " or "): if not cls.isArray(container): return "" length = len(container) if length == 0: return "" elif length == 1: return container elif length == 2: return lastSeparator.join(container) return separator.join(container[0:(length - 1)]) + lastSeparator + container[length - 1] class UsageFormat(object): SHORT_TEXT = 0x1 ABSTRACT_TEXT = 0x2 DETAILED_TEXT = 0x7 INDENTOFFSET_FIRST = 0x1 INDENTOFFSET_OTHER = 0x2 INDENTOFFSET_ALL = 0x3 lineLength = 80 endOfLineString = "\n" indentString = " " format = 0 def __init__(self, format = DETAILED_TEXT): object.__init__(self) self.lineLength = 80 self.endOfLineString = "\n" self.indentString = " " self.format = format def wrap(self, text, mode, level): first = (self.indentString * level) other = (self.indentString * level) if mode & self.INDENTOFFSET_FIRST: first += self.indentString if mode & self.INDENTOFFSET_OTHER: other += self.indentString return textwrap.fill(text, width = self.lineLength, initial_indent = first, subsequent_indent = other) class OptionName(object): SHORT = 1 LONG = 2 ANY = 3 name = "" def __init__(self, name): object.__init__(self) self.name = name def __str__(self): return self.name def isShort(self): return len(self.name) == 1 def getType(self): if self.isShort(): return OptionName.SHORT return OptionName.LONG def cliName(self): if self.isShort(): return "-" + self.name return "--" + self.name class OptionNameList(object): def __init__(self, names): object.__init__(self) self.names = {} if Util.isArray(names): for n in names: if Util.isString(n): self.names[n] = OptionName(n) elif isinstance(n, OptionName): self.names[n.name] = n def __iter__(self): return iter(self.names.items()) def getShortOptionNames(self): res = OptionNameList for k, n in self.names.items(): if n.isShort(): res.names[k] = n return res def getLongOptionNames(self): res = OptionNameList for k, n in self.names.items(): if not n.isShort(): res.names[k] = n return res def getFirstOptionName(self, type = OptionName.ANY, strict = False): if type == OptionName.ANY: return self.names[self.names.keys()[0]] other = None for k, n in self.names.items(): if type == n.getType(): return n if other == None: other = n if strict: return None return other class ValueValidator(object): pass def validate(self, state, result, element, value): return True def usage(self, usageFormat = None): return "" def appendDefaultError(self, state, result, element, usageFormat = None): if Util.isInteger(element): result._appendMessage(Message.ERROR, 2, Message.ERROR_INVALID_POSARG_VALUE, element, self.usage(usageFormat)) else: result._appendMessage(Message.ERROR, 1, Message.ERROR_INVALID_OPTION_VALUE, element.name.cliName(), self.usage(usageFormat)) class PathValueValidator(ValueValidator): EXISTS = 0x01 ACCESS_READ = 0x02 ACCESS_WRITE = 0x04 ACCESS_EXECUTE = 0x08 TYPE_FILE = 0x10 TYPE_FOLDER = 0x20 TYPE_SYMLINK = 0x40 TYPE_ALL = 0x70 flags = 0 def __init__(self, flags): ValueValidator.__init__(self) self.flags = flags def validate(self, state, result, element, value): passed = True if self.flags & EXISTS: if self.flags & ACCESS_READ and not os.access(value, os.R_OK): passed = False if self.flags & ACCESS_WRITE and not os.access(value, os.W_OK): passed = False if self.flags & ACCESS_EXECUTE and not os.access(value, os.X_OK): passed = False if os.path.exists(value): types = (self.flags & TYPE_ALL) if not ((types == 0) or (types == TYPE_ALL)): typeFound = False if self.flags & TYPE_FILE and os.path.isfile(value): typeFound = True elif self.flags & TYPE_FOLDER and os.path.isdir(value): typeFound = True elif self.flags & self.TYPE_SYMLINK and os.path.islink(value): typeFound = True if not typeFound: passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "" types = self.flags & self.TYPE_ALL eol = usageFormat.endOfLineString if not (types == 0 or types & self.TYPE_ALL): types = { self.TYPE_FILE: "file", self.TYPE_FOLDER: "folder", self.TYPE_SYMLINK: "symbolic link" } names = [] for t, name in types.items(): if t & self.flags: names.append(name) text += "Expected file type" if len(names) > 1: text += "s" text += ": " + Util.implode(names, ", ", " or ") access = self.flags & (self.ACCESS_EXECUTE | self.ACCESS_READ | self.ACCESS_WRITE) if access > 0: access = { self.ACCESS_EXECUTE: "executable", self.ACCESS_READ: "readable", self.ACCESS_WRITE: "writable"} names = [] for a, name in access.items(): names.append(name) if len(text) > 0: text += eol text += "Path argument must be " + Util.implode(names, ", ", " and ") return text class NumberValueValidator(ValueValidator): minValue = None maxValue = None def __init__(self, min, max): self.minValue = min self.maxValue = max if Util.isNumeric(self.minValue): self.minValue = float(self.minValue) if Util.isNumeric(self.maxValue): self.maxValue = float(self.maxValue) def validate(self, state, result, element, value): passed = True if not Util.isNumeric(value): passed = False if passed and (self.minValue != None) and (float(value) < self.minValue): passed = False if passed and (self.maxValue != None) and (float(value) > self.maxValue): passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "Argument value must be a number"; if self.minValue != None: if self.maxValue != None: text += " between " + str(self.minValue) + " and " + str(self.maxValue) else: text += " greater or equal than " + str(self.minValue) elif self.maxValue != None: text += " lesser or equal than " + str(self.maxValue) return text class EnumerationValueValidator(ValueValidator): RESTRICT = 0x1 values = () flags = RESTRICT def __init__(self, values = (), flags = RESTRICT): self.values = values def validate(self, state, result, element, value): if not (self.flags & self.RESTRICT): return True for v in self.values: if v == value: return True self.appendDefaultError(state, result, element) return False def usage(self, usageFormat = UsageFormat()): text = "Argument value "; if self.flags & self.RESTRICT: text += "must be " else: text += "can be " text += Util.implode(self.values, ", ", " or ") return text class ItemInfo(object): REQUIRED = 1 abstract = "" details = "" def __init__(self, abstract = "", details = ""): object.__init__(self) self.abstract = abstract self.details = details class OptionInfo(ItemInfo): optionFlags = 0 variableName = None names = None parent = None validators = None def __init__(self, variableName = None, names = None, flags = 0): ItemInfo.__init__(self) self.optionFlags = flags self.variableName = variableName self.names = OptionNameList(names) self.validators = [] def getKey(self): key = self.__class__.__name__ if self.parent == None: return key index = 0 for o in self.parent.options: if o == self: key = self.parent.getKey() + "." + str(index) + key break else: index = index + 1 return key class SwitchOptionInfo(OptionInfo): def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class ArgumentType: STRING = 1 MIXED = 1 EXISTINGCOMMAND = 2 HOSTNAME = 3 PATH = 4 NUMBER = 5 @classmethod def usageName(cls, type): if type == cls.EXISTINGCOMMAND: return "cmd" elif type == cls.HOSTNAME: return "host" elif type == cls.PATH: return "path" elif type == cls.NUMBER: return "number" return "?" class ArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED defaultValue = None def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class MultiArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED minArgumentCount = 1 maxArgumentCount = 0 def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class OptionContainerOptionInfo(OptionInfo): def __init__(self, variableName = None, flags = None): OptionInfo.__init__(self, variableName, None, flags) self.options = [] def appendOption(self, option): self.options.append(option) option.parent = self def getOptionNameListString(self): names = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): names.append("(" + o.getOptionNameListString() + ")") else: names.append(o.names.getFirstOptionName(OptionName.LONG, False).cliName()) return Util.implode(names, ", ", " or ") def flattenOptionTree(self): options = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): options = options + o.flattenOptionTree() else: options.append(o) return options def optionShortUsage(self, usageFormat): text = "" visited = [] optionlist = self.flattenOptionTree() required = [] for o in optionlist: if o.optionFlags & ItemInfo.REQUIRED: required.append(o) optionlist.remove(o) optionlist = required + optionlist groups = [ [], [] ] for option in optionlist: firstShort = option.names.getFirstOptionName(OptionName.SHORT, True) if firstShort != None and isinstance(option, SwitchOptionInfo): groups[0].append(firstShort.name) else: first = option.names.getFirstOptionName(OptionName.SHORT, False) if first != None: groups[1].append ({"option": option, "name": first}) if len(groups[0]) > 0: text += "-" + "".join(groups[0]) for other in groups[1]: option = other["option"] name = other["name"] required = (option.optionFlags & ItemInfo.REQUIRED) optionText = name.cliName() if isinstance(option, ArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + ">" elif isinstance(option, MultiArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + " ...>" if (not required) and (len(optionText) > 0): optionText = "[" + optionText + "]" if (len(text) > 0) and (len(optionText) > 0): text += " " text += optionText return text def optionUsage(self, usageFormat, level = 0): text = "" eol = usageFormat.endOfLineString for o in self.options: subtext = "" if not (isinstance(o, GroupOptionInfo)): clinames = [] for k, name in o.names: clinames.append(name.cliName()) subtext += ", ".join(clinames) if usageFormat.format & UsageFormat.ABSTRACT_TEXT and Util.isString(o.abstract) and (len(o.abstract) > 0): if len(subtext) > 0: subtext += ": " subtext += o.abstract if usageFormat.format & UsageFormat.DETAILED_TEXT and Util.isString(o.details) and (len(o.details) > 0): if len(subtext) > 0: subtext += eol subtext += o.details if isinstance(o, GroupOptionInfo): if len(subtext) > 0: subtext += eol subtext += o.optionUsage(usageFormat, level + 1) if len(subtext) > 0: text += subtext + eol else: for v in o.validators: vtext = v.usage(usageFormat) if len(vtext) > 0: if len(subtext) > 0: subtext += eol subtext += vtext if len(subtext) > 0: text += usageFormat.wrap(subtext, UsageFormat.INDENTOFFSET_OTHER, level) + eol return text options = None class GroupOptionInfo(OptionContainerOptionInfo): TYPE_NORMAL = 0 TYPE_EXCLUSIVE = 1 groupType = 0 defaultOption = None def __init__(self, variableName = None, groupType = TYPE_NORMAL, flags = 0, dfltOption = None): OptionContainerOptionInfo.__init__(self, variableName, flags) self.groupType = groupType self.defaultOption = dfltOption class PositionalArgumentInfo(ItemInfo): positionalArgumentFlags = 0 argumentType = ArgumentType.MIXED maxArgumentCount = 1 validators = None def __init__(self, maxArgumentCount = 1, argumentType = ArgumentType.MIXED, flags = 0): ItemInfo.__init__(self) self.positionalArgumentFlags = flags self.argumentType = argumentType self.maxArgumentCount = maxArgumentCount self.validators = [] class RootItemInfo(OptionContainerOptionInfo): positionalArguments = None def __init__(self): OptionContainerOptionInfo.__init__(self) self.positionalArguments = [] def appendPositionalArgument(self, info): self.positionalArguments.append(info) return info class SubcommandInfo(RootItemInfo): name = "" aliases = None def __init__(self, name, aliases = ()): RootItemInfo.__init__(self) self.name = name self.aliases = [] if Util.isArray(aliases): for a in aliases: if Util.isString(a): self.aliases.append(a) def getNames(self): allNames = [] allNames.append(self.name) for a in self.aliases: allNames.append(a) return allNames class ProgramInfo(RootItemInfo): name = "" subcommands = None def __init__(self, name): RootItemInfo.__init__(self) self.name = name self.subcommands = [] def usage(self, usageFormat, subcommandName = None): usage = usageFormat if usage == None: usage = UsageFormat() eol = usage.endOfLineString subcommand = None root = self if Util.isString(subcommandName): subcommand = self.findSubcommand(subcommandName) text = "Usage: " + self.name if subcommand != None: root = subcommand text += " " + subcommand.name text = usageFormat.wrap(text + " " + self.optionShortUsage(usage), UsageFormat.INDENTOFFSET_OTHER, 0) if (usage.format & UsageFormat.ABSTRACT_TEXT) == UsageFormat.ABSTRACT_TEXT: rootUsage = "" if len(root.abstract) > 0: text += eol + usage.wrap(root.abstract, UsageFormat.INDENTOFFSET_OTHER, 1) + eol text += eol else: rootUsage = eol rootUsage += "With: " + eol if subcommand != None: rootUsage += subcommand.optionUsage(usage, 1) else: rootUsage += self.optionUsage(usage, 1) text += rootUsage if (usage.format & UsageFormat.DETAILED_TEXT == UsageFormat.DETAILED_TEXT): if len(root.details) > 0: text += usage.wrap(root.details, UsageFormat.INDENTOFFSET_OTHER, 0) return text def appendSubcommand(self, subcommandInfo): self.subcommands.append(subcommandInfo) return subcommandInfo def findSubcommand(self, name): for s in self.subcommands: if s.name == name: return s for a in s.aliases: if a == name: return s return None class ItemResult(object): pass class OptionResult(ItemResult): isSet = False def __call__(self): return self.value() class SwitchOptionResult(OptionResult): def value(self): return self.isSet class ArgumentOptionResult(OptionResult): argument = None def value(self): if self.isSet: return self.argument return None class MultiArgumentOptionResult(OptionResult): arguments = None def __init__(self): OptionResult.__init__(self) self.arguments = [] def __getitem__(self, key): if self.isSet: return self.arguments[key] return None def __len__(self): if self.isSet: return len(self.arguments) return 0 def __call__(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments def value(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments class GroupOptionResult(OptionResult): selectedOption = None selectedOptionName = None def __init__(self): OptionResult.__init__(self) self.isSet = 0 def value(self): if self.isSet > 0: return self.selectedOptionName class Message(object): DEBUG = 0 WARNING = 1 ERROR = 2 FATALERROR = 3 FATALERROR_UNKNOWN_OPTION = "Unknown option %s" ERROR_INVALID_OPTION_VALUE = "Invalid value for option %s. %s" ERROR_INVALID_POSARG_VALUE = "Invalid value for positional argument %d. %s" ERROR_MISSING_ARG = "Missing argument for option %s" ERROR_REQUIRED_OPTION = "Missing required option %s" ERROR_REQUIRED_GROUP = "At least one of the following options have to be set: %s" ERROR_REQUIRED_XGROUP = "One of the following options have to be set: %s" ERROR_REQUIRED_POSARG = "Required positional argument %d is missing" ERROR_PROGRAM_POSARG = "Program does not accept positional arguments" ERROR_SUBCMD_POSARG = "Subcommand %s does not accept positional arguments" ERROR_TOOMANY_POSARG = "Too many positional arguments" ERROR_MISSING_MARG = "At least %d argument(s) required for %s option, got %d" ERROR_UNEXPECTED_OPTION = "Unexpected option %s" ERROR_SWITCH_ARG = "Option %s does not allow an argument" WARNING_IGNORE_EOA = "Ignore end-of-argument marker" type = DEBUG code = 0 message = "" def __init__(self, type, code, message): object.__init__(self) self.type = type self.code = code self.message = message def __str__(self): return self.message class RootItemResult(ItemResult): _options = {} def __init__(self): ItemResult.__init__(self) self._options = {} def __getitem__(self, item): return self._options[item] def __getattr__(self, attr): return self._options[attr] def __setitem__(self, attr, value): self._options[attr] = value class SubcommandResult(RootItemResult): pass class ProgramResult(RootItemResult): subcommandName = None subcommand = None def __init__(self): self.subcommandName = None self.subcommand = None self._subcommands = {} self._values = [] self._messages = [] RootItemResult.__init__(self) def __len__(self): return self.valueCount() def __getitem__(self, key): if Util.isInteger(key): return self._values[key] else: return RootItemResult.__getattr__(self, key) def __setitem__(self, key, value): if Util.isInteger(key): self._values.insert(key, value) else: RootItemResult.__setitem__(self, key, value) def __iter__(self): return enumerate(self._values) def __call__(self): return (len(self.getMessages(Message.ERROR, Message.FATALERROR)) == 0) def valueCount(self): return len(self._values) def getMessages(self, min = Message.WARNING, max = Message.FATALERROR): messages = [] for m in self._messages: if m.type < min: continue if m.type > max: continue messages.append(m) return messages def _addSubcommand(self, name, scr): self._subcommands[name] = scr def _appendMessage(self, type, code, format, *args): msg = format % args self._messages.append(Message(type, code, msg)) _subcommands = None _messages = None _values = None class OptionBinding(object): name = None info = None result = None parentResults = None def __init__(self, name, info, result = None): object.__init__(self) self.name = name self.info = info self.result = result self.parentResults = [] class ParserState(object): ENDOFOPTIONS = 0x1 UNEXPECTEDOPTION = 0x2 ABORT = 0x4 stateFlags = 0 argv = None argIndex = 0 optionNameBindings = None optionGroupBindings = None subcommandNameBindings = None activeSubcommandIndex = 0 activeOption = None activeOptionArguments = None values = None anonymousOptionResults = None def __init__(self, programInfo): object.__init__(self) self.argv = [] self.optionNameBindings = [] self.optionGroupBindings = [] self.subcommandNameBindings = {} self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in programInfo.options: self.initializeStateData(None, o, 0) scIndex = 1 for s in programInfo.subcommands: self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in s.options: self.initializeStateData(None, o, scIndex) self.subcommandNameBindings[s.name] = { "subcommandIndex": scIndex, "subcommand": s } scIndex += 1 def prepareState(self, programInfo, argv, startIndex): self.stateFlags = 0 self.argv = list(argv) self.argIndex = startIndex self.activeOption = None self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] result = ProgramResult() for o in programInfo.options: self.initializeStateData(result, o, 0) scIndex = 1 for s in programInfo.subcommands: scr = SubcommandResult() result._addSubcommand(s.name, scr) for o in s.options: self.initializeStateData(scr, o, scIndex) scIndex += 1 return result def createResult(self, rootItemResult, option): result = None if isinstance(option, SwitchOptionInfo): result = SwitchOptionResult() elif isinstance(option, ArgumentOptionInfo): result = ArgumentOptionResult() elif isinstance(option, MultiArgumentOptionInfo): result = MultiArgumentOptionResult() elif isinstance(option, GroupOptionInfo): result = GroupOptionResult() if Util.isString(option.variableName) and len(option.variableName) > 0: rootItemResult[option.variableName] = result else: self.anonymousOptionResults.append(result) return result def initializeStateData(self, rootItemResult, option, groupIndex, resultTree = []): result = None if rootItemResult != None: result = self.createResult(rootItemResult, option) optionKey = option.getKey() for k, n in option.names: nameKey = optionKey + '/' + k if rootItemResult == None: self.optionNameBindings[groupIndex][nameKey] = OptionBinding(n, option, None) else: self.optionNameBindings[groupIndex][nameKey].result = result self.optionNameBindings[groupIndex][nameKey].parentResults = list(resultTree) if isinstance(option, GroupOptionInfo): if rootItemResult == None: self.optionGroupBindings[groupIndex][optionKey] = OptionBinding(None, option, None) else: self.optionGroupBindings[groupIndex][optionKey].result = result self.optionGroupBindings[groupIndex][optionKey].parentResults = list(resultTree) for o in option.options: parentResults = [] if rootItemResult != None: parentResults = [result, ] + resultTree self.initializeStateData(rootItemResult, o, groupIndex, parentResults) class Parser(object): def __init__(self, programInfo): object.__init__(self) self._programInfo = programInfo self._state = ParserState(programInfo) def parse(self, argv, startIndex = 1): result = self._state.prepareState(self._programInfo, argv, startIndex) argc = len(argv) while self._state.argIndex < argc: arg = argv[self._state.argIndex] if (self._state.activeOption != None): if not self._activeOptionAcceptsArguments(): self._unsetActiveOption(result) if self._state.stateFlags & ParserState.ENDOFOPTIONS: self._processPositionalArgument(result, arg) elif arg == "--": self._state.stateFlags |= ParserState.ENDOFOPTIONS self._unsetActiveOption(result) elif arg == "-": if (self._state.activeOption != None): if isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if (len(self._state.activeOptionArguments) == 0): result._appendMessage(Message.WARNING, 2, Message.WARNING_IGNORE_EOA) self._state.activeOptionArguments.append(arg) else: self._unsetActiveOption(result) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (len(arg) >= 2) and (arg[0:2] == "\\-"): arg = arg[1:len(arg)] if self._state.activeOption != None: self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (self._state.activeOption != None) and len(self._state.activeOptionArguments) == 0: self._state.activeOptionArguments.append(arg) elif (len(arg) > 2) and (arg[0:2] == "--"): if self._state.activeOption != None: self._unsetActiveOption(result) cliName = arg name = arg[2:len(arg)] tail = "" hasTail = False equalSignIndex = name.find("="); if equalSignIndex >= 0: hasTail = True tail = name[(equalSignIndex + 1):len(name)] name = name[0:equalSignIndex] cliName = "--" + name self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if hasTail: self._state.activeOptionArguments.append(tail) else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (len(arg) > 1) and (arg[0:1] == "-"): arg = arg[1:len(arg)] while (len(arg) > 0): if self._state.activeOption != None: self._unsetActiveOption(result) name = arg[0:1] cliName = "-" + name arg = arg[1:len(arg)] self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if isinstance(self._state.activeOption.info, ArgumentOptionInfo) or isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(arg) > 0: self._state.activeOptionArguments.append(arg) break else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (self._state.activeOption != None): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) if self._state.stateFlags & ParserState.ABORT: break self._state.argIndex = self._state.argIndex + 1 self._unsetActiveOption(result) changeCount = 1 while (changeCount > 0): changeCount = self._postProcessOptions(result) for g, bindings in enumerate(self._state.optionNameBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue binding = None nameKeys = bindings.keys() nameKeys = sorted(nameKeys) for nameKey in nameKeys: b = bindings[nameKey] if (binding != None) and (binding.info == b.info): continue binding = b if ((not binding.result.isSet) and self._optionRequired(binding)): result._appendMessage(Message.ERROR, 4, Message.ERROR_REQUIRED_OPTION, binding.name.cliName()) for g, bindings in enumerate(self._state.optionGroupBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue for n, binding in bindings.items(): if ((not binding.result.isSet) and self._optionRequired(binding)): nameList = binding.info.getOptionNameListString() if binding.info.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: result._appendMessage(Message.ERROR, 6, Message.ERROR_REQUIRED_XGROUP, nameList) else: result._appendMessage(Message.ERROR, 5, Message.ERROR_REQUIRED_GROUP, nameList) self._postProcessPositionalArguments(result) return result def _activeOptionAcceptsArguments(self): s = self._state ao = self._state.activeOption i = ao.info if (isinstance(i, MultiArgumentOptionInfo)): if i.maxArgumentCount > 0: return ((len(s.activeOptionArguments) + len(ao.result.arguments)) < i.maxArgumentCount) return True if (isinstance(i, ArgumentOptionInfo)): return len(s.activeOptionArguments) == 0 return False def _unsetActiveOption(self, result): markSet = False if self._state.activeOption == None: return if self._state.stateFlags & ParserState.UNEXPECTEDOPTION: result._appendMessage(Message.ERROR, 12, Message.ERROR_UNEXPECTED_OPTION, self._state.activeOption.name.cliName()) if isinstance(self._state.activeOption.info, SwitchOptionInfo): markSet = True if len(self._state.activeOptionArguments) > 0: if len(self._state.activeOptionArguments) > 1 or len(self._state.activeOptionArguments[0]) > 0: markSet = False result._appendMessage(Message.ERROR, 13, Message.ERROR_SWITCH_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: value = self._state.activeOptionArguments[0] if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.argument = value else: self._state.activeOption.result.argument = None else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: for value in self._state.activeOptionArguments: if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.arguments.append(value) else: self._state.activeOption.result.arguments.append(None) else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_MARG, self._state.activeOption.info.minArgumentCount, self._state.activeOption.name.cliName(), len(self._state.activeOptionArguments)) if (not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and markSet: self._markOption(result, self._state.activeOption, True) self._state.activeOptionArguments = [] self._state.activeOption = None self._state.stateFlags &= ~ParserState.UNEXPECTEDOPTION def _markOption(self, result, binding, value): binding.result.isSet = value childResult = binding.result childInfo = binding.info parentInfo = childInfo.parent; for parentResult in binding.parentResults: if value: parentResult.isSet += 1 else: parentResult.isSet -= 1 if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if value: parentResult.selectedOption = childResult parentResult.selectedOptionName = childInfo.variableName if parentResult.isSet == 0: parentResult.selectedOption = None parentResult.selectedOptionName = None childInfo = childInfo.parent parentInfo = parentInfo.parent childResult = parentResult def _validateOptionArgument(self, result, binding, value): validates = True for validator in binding.info.validators: v = validator.validate(self._state, result, binding, value) validates = (validates and v) return validates def _validatePositionalArgument(self, result, paInfo, paNumber, value): validates = True for validator in paInfo.validators: v = validator.validate(self._state, result, paNumber, value) validates = (validates and v) return validates def _processPositionalArgument(self, result, value): if (not self._state.stateFlags & ParserState.ENDOFOPTIONS) and (self._state.activeSubcommandIndex == 0) and (len(self._state.values) == 0): for name, binding in self._state.subcommandNameBindings.items(): if name == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return for alias in binding["subcommand"].aliases: if alias == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return self._state.values.append(value) def _findOptionByInfo(self, info): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if info == binding.info: return binding return None def _findOptionByName(self, name): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if name == binding.name.name: return binding return None def _activeBindingGroups(self, types): s = self._state g = [] if s.activeSubcommandIndex > 0: if types & 0x1: g.append (s.optionGroupBindings[s.activeSubcommandIndex]) g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[s.activeSubcommandIndex]) g.append (s.optionNameBindings[0]) else: if types & 0x1: g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[0]) return g def _optionExpected(self, binding): parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if parentResult.isSet and parentResult.selectedOption != previousResult: return False parentInfo = parentInfo.parent previousResult = parentResult return True def _optionRequired(self, binding): if not (binding.info.optionFlags & ItemInfo.REQUIRED): return False parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if (not parentResult.isSet) or (parentResult.selectedOption != previousResult): return False parentInfo = parentInfo.parent previousResult = parentResult return True def _postProcessOption(self, result, current, forceSet): if isinstance(current.info, GroupOptionInfo): if (not current.result.isSet) and (forceSet or self._optionExpected(current)) and self._optionRequired(current) and (current.info.defaultOption != None): return self._postProcessOption(result, self._findOptionByInfo(current.info.defaultOption), True) if isinstance(current.info, SwitchOptionInfo) and (not current.result.isSet) and forceSet: self._markOption(result, current, True) return 1 elif isinstance(current.info, ArgumentOptionInfo): if (not current.result.isSet): if (current.info.defaultValue != None) and (forceSet or self._optionExpected(current)): current.result.argument = current.info.defaultValue self._markOption(result, current, True) return 1 else: current.result.argument = None elif isinstance(current.info, MultiArgumentOptionInfo): c = len(current.result.arguments) if current.result.isSet and (current.info.minArgumentCount > 0) and (c < current.info.minArgumentCount): result._appendMessage(Message.ERROR, 11, Message.ERROR_MISSING_MARG, current.info.minArgumentCount, current.name.cliName(), c) self._markOption(result, current, False) if not current.result.isSet: current.result.arguments = [] return 1 return 0 def _postProcessOptions(self, result): current = None changeCount = 0 for i, group in enumerate(self._activeBindingGroups(0x3)): current = None for name, binding in group.items(): if current != None and (current.info == binding.info): continue current = binding changeCount += self._postProcessOption (result, current, False) return changeCount def _postProcessPositionalArguments(self, result): root = self._programInfo validPositionalArgumentCount = 0 if self._state.activeSubcommandIndex > 0: root = self._programInfo.subcommands[self._state.activeSubcommandIndex - 1] paInfoCount = len(root.positionalArguments) if (paInfoCount == 0) and (len(self._state.values) > 0): if self._state.activeSubcommandIndex > 0: result._appendMessage(Message.ERROR, 9, Message.ERROR_SUBCMD_POSARG, root.name) else: result._appendMessage(Message.ERROR, 8, Message.ERROR_PROGRAM_POSARG) return validPositionalArgumentCount paInfoIndex = 0 paNumber = 1 currentPaiValueCount = 0 processedValueCount = 0 paInfo = None for value in self._state.values: if paInfoIndex >= paInfoCount: break currentPaiValueCount += 1 processedValueCount += 1 paInfo = root.positionalArguments[paInfoIndex] if self._validatePositionalArgument(result, paInfo, paNumber, value): result._values.append(value); validPositionalArgumentCount += 1 else: pass """ @todo continue or abort ? """ if ((paInfo.maxArgumentCount > 0) and (currentPaiValueCount == paInfo.maxArgumentCount)): currentPaiValueCount = 0 paInfoIndex += 1 paNumber += 1 if (len(self._state.values) > processedValueCount): result._appendMessage(Message.ERROR, 10, Message.ERROR_TOOMANY_POSARG) elif (paInfoIndex < paInfoCount): """/** * @note not yet supported by schema */""" for i in range(paInfoIndex, paInfoCount): if (root.positionalArguments[i].positionalArgumentFlags & ItemInfo.REQUIRED): result._appendMessage(Message.ERROR, 7, Message.ERROR_REQUIRED_POSARG, i) _programInfo = None _state = None"

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Variables

prg.python.base.code="import os import math import textwrap class Util(object): @classmethod def isArray(cls, var): return isinstance(var, (list, tuple)) @classmethod def isString(cls, var): return isinstance(var, str) @classmethod def isInteger(cls, var): if cls.isString(var): return var.isdigit() else: try: int(var) return True except ValueError: return False except TypeError: return False @classmethod def isNumeric(cls, var): try: float(var) return True except ValueError: return False except TypeError: return False @classmethod def implode(cls, container, separator = ", ", lastSeparator = " or "): if not cls.isArray(container): return "" length = len(container) if length == 0: return "" elif length == 1: return container elif length == 2: return lastSeparator.join(container) return separator.join(container[0:(length - 1)]) + lastSeparator + container[length - 1] class UsageFormat(object): SHORT_TEXT = 0x1 ABSTRACT_TEXT = 0x2 DETAILED_TEXT = 0x7 INDENTOFFSET_FIRST = 0x1 INDENTOFFSET_OTHER = 0x2 INDENTOFFSET_ALL = 0x3 lineLength = 80 endOfLineString = "\n" indentString = " " format = 0 def __init__(self, format = DETAILED_TEXT): object.__init__(self) self.lineLength = 80 self.endOfLineString = "\n" self.indentString = " " self.format = format def wrap(self, text, mode, level): first = (self.indentString * level) other = (self.indentString * level) if mode & self.INDENTOFFSET_FIRST: first += self.indentString if mode & self.INDENTOFFSET_OTHER: other += self.indentString return textwrap.fill(text, width = self.lineLength, initial_indent = first, subsequent_indent = other) class OptionName(object): SHORT = 1 LONG = 2 ANY = 3 name = "" def __init__(self, name): object.__init__(self) self.name = name def __str__(self): return self.name def isShort(self): return len(self.name) == 1 def getType(self): if self.isShort(): return OptionName.SHORT return OptionName.LONG def cliName(self): if self.isShort(): return "-" + self.name return "--" + self.name class OptionNameList(object): def __init__(self, names): object.__init__(self) self.names = {} if Util.isArray(names): for n in names: if Util.isString(n): self.names[n] = OptionName(n) elif isinstance(n, OptionName): self.names[n.name] = n def __iter__(self): return iter(self.names.items()) def getShortOptionNames(self): res = OptionNameList for k, n in self.names.items(): if n.isShort(): res.names[k] = n return res def getLongOptionNames(self): res = OptionNameList for k, n in self.names.items(): if not n.isShort(): res.names[k] = n return res def getFirstOptionName(self, type = OptionName.ANY, strict = False): if type == OptionName.ANY: return self.names[self.names.keys()[0]] other = None for k, n in self.names.items(): if type == n.getType(): return n if other == None: other = n if strict: return None return other class ValueValidator(object): pass def validate(self, state, result, element, value): return True def usage(self, usageFormat = None): return "" def appendDefaultError(self, state, result, element, usageFormat = None): if Util.isInteger(element): result._appendMessage(Message.ERROR, 2, Message.ERROR_INVALID_POSARG_VALUE, element, self.usage(usageFormat)) else: result._appendMessage(Message.ERROR, 1, Message.ERROR_INVALID_OPTION_VALUE, element.name.cliName(), self.usage(usageFormat)) class PathValueValidator(ValueValidator): EXISTS = 0x01 ACCESS_READ = 0x02 ACCESS_WRITE = 0x04 ACCESS_EXECUTE = 0x08 TYPE_FILE = 0x10 TYPE_FOLDER = 0x20 TYPE_SYMLINK = 0x40 TYPE_ALL = 0x70 flags = 0 def __init__(self, flags): ValueValidator.__init__(self) self.flags = flags def validate(self, state, result, element, value): passed = True if self.flags & EXISTS: if self.flags & ACCESS_READ and not os.access(value, os.R_OK): passed = False if self.flags & ACCESS_WRITE and not os.access(value, os.W_OK): passed = False if self.flags & ACCESS_EXECUTE and not os.access(value, os.X_OK): passed = False if os.path.exists(value): types = (self.flags & TYPE_ALL) if not ((types == 0) or (types == TYPE_ALL)): typeFound = False if self.flags & TYPE_FILE and os.path.isfile(value): typeFound = True elif self.flags & TYPE_FOLDER and os.path.isdir(value): typeFound = True elif self.flags & self.TYPE_SYMLINK and os.path.islink(value): typeFound = True if not typeFound: passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "" types = self.flags & self.TYPE_ALL eol = usageFormat.endOfLineString if not (types == 0 or types & self.TYPE_ALL): types = { self.TYPE_FILE: "file", self.TYPE_FOLDER: "folder", self.TYPE_SYMLINK: "symbolic link" } names = [] for t, name in types.items(): if t & self.flags: names.append(name) text += "Expected file type" if len(names) > 1: text += "s" text += ": " + Util.implode(names, ", ", " or ") access = self.flags & (self.ACCESS_EXECUTE | self.ACCESS_READ | self.ACCESS_WRITE) if access > 0: access = { self.ACCESS_EXECUTE: "executable", self.ACCESS_READ: "readable", self.ACCESS_WRITE: "writable"} names = [] for a, name in access.items(): names.append(name) if len(text) > 0: text += eol text += "Path argument must be " + Util.implode(names, ", ", " and ") return text class NumberValueValidator(ValueValidator): minValue = None maxValue = None def __init__(self, min, max): self.minValue = min self.maxValue = max if Util.isNumeric(self.minValue): self.minValue = float(self.minValue) if Util.isNumeric(self.maxValue): self.maxValue = float(self.maxValue) def validate(self, state, result, element, value): passed = True if not Util.isNumeric(value): passed = False if passed and (self.minValue != None) and (float(value) < self.minValue): passed = False if passed and (self.maxValue != None) and (float(value) > self.maxValue): passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "Argument value must be a number"; if self.minValue != None: if self.maxValue != None: text += " between " + str(self.minValue) + " and " + str(self.maxValue) else: text += " greater or equal than " + str(self.minValue) elif self.maxValue != None: text += " lesser or equal than " + str(self.maxValue) return text class EnumerationValueValidator(ValueValidator): RESTRICT = 0x1 values = () flags = RESTRICT def __init__(self, values = (), flags = RESTRICT): self.values = values def validate(self, state, result, element, value): if not (self.flags & self.RESTRICT): return True for v in self.values: if v == value: return True self.appendDefaultError(state, result, element) return False def usage(self, usageFormat = UsageFormat()): text = "Argument value "; if self.flags & self.RESTRICT: text += "must be " else: text += "can be " text += Util.implode(self.values, ", ", " or ") return text class ItemInfo(object): REQUIRED = 1 abstract = "" details = "" def __init__(self, abstract = "", details = ""): object.__init__(self) self.abstract = abstract self.details = details class OptionInfo(ItemInfo): optionFlags = 0 variableName = None names = None parent = None validators = None def __init__(self, variableName = None, names = None, flags = 0): ItemInfo.__init__(self) self.optionFlags = flags self.variableName = variableName self.names = OptionNameList(names) self.validators = [] def getKey(self): key = self.__class__.__name__ if self.parent == None: return key index = 0 for o in self.parent.options: if o == self: key = self.parent.getKey() + "." + str(index) + key break else: index = index + 1 return key class SwitchOptionInfo(OptionInfo): def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class ArgumentType: STRING = 1 MIXED = 1 EXISTINGCOMMAND = 2 HOSTNAME = 3 PATH = 4 NUMBER = 5 @classmethod def usageName(cls, type): if type == cls.EXISTINGCOMMAND: return "cmd" elif type == cls.HOSTNAME: return "host" elif type == cls.PATH: return "path" elif type == cls.NUMBER: return "number" return "?" class ArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED defaultValue = None def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class MultiArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED minArgumentCount = 1 maxArgumentCount = 0 def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class OptionContainerOptionInfo(OptionInfo): def __init__(self, variableName = None, flags = None): OptionInfo.__init__(self, variableName, None, flags) self.options = [] def appendOption(self, option): self.options.append(option) option.parent = self def getOptionNameListString(self): names = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): names.append("(" + o.getOptionNameListString() + ")") else: names.append(o.names.getFirstOptionName(OptionName.LONG, False).cliName()) return Util.implode(names, ", ", " or ") def flattenOptionTree(self): options = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): options = options + o.flattenOptionTree() else: options.append(o) return options def optionShortUsage(self, usageFormat): text = "" visited = [] optionlist = self.flattenOptionTree() required = [] for o in optionlist: if o.optionFlags & ItemInfo.REQUIRED: required.append(o) optionlist.remove(o) optionlist = required + optionlist groups = [ [], [] ] for option in optionlist: firstShort = option.names.getFirstOptionName(OptionName.SHORT, True) if firstShort != None and isinstance(option, SwitchOptionInfo): groups[0].append(firstShort.name) else: first = option.names.getFirstOptionName(OptionName.SHORT, False) if first != None: groups[1].append ({"option": option, "name": first}) if len(groups[0]) > 0: text += "-" + "".join(groups[0]) for other in groups[1]: option = other["option"] name = other["name"] required = (option.optionFlags & ItemInfo.REQUIRED) optionText = name.cliName() if isinstance(option, ArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + ">" elif isinstance(option, MultiArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + " ...>" if (not required) and (len(optionText) > 0): optionText = "[" + optionText + "]" if (len(text) > 0) and (len(optionText) > 0): text += " " text += optionText return text def optionUsage(self, usageFormat, level = 0): text = "" eol = usageFormat.endOfLineString for o in self.options: subtext = "" if not (isinstance(o, GroupOptionInfo)): clinames = [] for k, name in o.names: clinames.append(name.cliName()) subtext += ", ".join(clinames) if usageFormat.format & UsageFormat.ABSTRACT_TEXT and Util.isString(o.abstract) and (len(o.abstract) > 0): if len(subtext) > 0: subtext += ": " subtext += o.abstract if usageFormat.format & UsageFormat.DETAILED_TEXT and Util.isString(o.details) and (len(o.details) > 0): if len(subtext) > 0: subtext += eol subtext += o.details if isinstance(o, GroupOptionInfo): if len(subtext) > 0: subtext += eol subtext += o.optionUsage(usageFormat, level + 1) if len(subtext) > 0: text += subtext + eol else: for v in o.validators: vtext = v.usage(usageFormat) if len(vtext) > 0: if len(subtext) > 0: subtext += eol subtext += vtext if len(subtext) > 0: text += usageFormat.wrap(subtext, UsageFormat.INDENTOFFSET_OTHER, level) + eol return text options = None class GroupOptionInfo(OptionContainerOptionInfo): TYPE_NORMAL = 0 TYPE_EXCLUSIVE = 1 groupType = 0 defaultOption = None def __init__(self, variableName = None, groupType = TYPE_NORMAL, flags = 0, dfltOption = None): OptionContainerOptionInfo.__init__(self, variableName, flags) self.groupType = groupType self.defaultOption = dfltOption class PositionalArgumentInfo(ItemInfo): positionalArgumentFlags = 0 argumentType = ArgumentType.MIXED maxArgumentCount = 1 validators = None def __init__(self, maxArgumentCount = 1, argumentType = ArgumentType.MIXED, flags = 0): ItemInfo.__init__(self) self.positionalArgumentFlags = flags self.argumentType = argumentType self.maxArgumentCount = maxArgumentCount self.validators = [] class RootItemInfo(OptionContainerOptionInfo): positionalArguments = None def __init__(self): OptionContainerOptionInfo.__init__(self) self.positionalArguments = [] def appendPositionalArgument(self, info): self.positionalArguments.append(info) return info class SubcommandInfo(RootItemInfo): name = "" aliases = None def __init__(self, name, aliases = ()): RootItemInfo.__init__(self) self.name = name self.aliases = [] if Util.isArray(aliases): for a in aliases: if Util.isString(a): self.aliases.append(a) def getNames(self): allNames = [] allNames.append(self.name) for a in self.aliases: allNames.append(a) return allNames class ProgramInfo(RootItemInfo): name = "" subcommands = None def __init__(self, name): RootItemInfo.__init__(self) self.name = name self.subcommands = [] def usage(self, usageFormat, subcommandName = None): usage = usageFormat if usage == None: usage = UsageFormat() eol = usage.endOfLineString subcommand = None root = self if Util.isString(subcommandName): subcommand = self.findSubcommand(subcommandName) text = "Usage: " + self.name if subcommand != None: root = subcommand text += " " + subcommand.name text = usageFormat.wrap(text + " " + self.optionShortUsage(usage), UsageFormat.INDENTOFFSET_OTHER, 0) if (usage.format & UsageFormat.ABSTRACT_TEXT) == UsageFormat.ABSTRACT_TEXT: rootUsage = "" if len(root.abstract) > 0: text += eol + usage.wrap(root.abstract, UsageFormat.INDENTOFFSET_OTHER, 1) + eol text += eol else: rootUsage = eol rootUsage += "With: " + eol if subcommand != None: rootUsage += subcommand.optionUsage(usage, 1) else: rootUsage += self.optionUsage(usage, 1) text += rootUsage if (usage.format & UsageFormat.DETAILED_TEXT == UsageFormat.DETAILED_TEXT): if len(root.details) > 0: text += usage.wrap(root.details, UsageFormat.INDENTOFFSET_OTHER, 0) return text def appendSubcommand(self, subcommandInfo): self.subcommands.append(subcommandInfo) return subcommandInfo def findSubcommand(self, name): for s in self.subcommands: if s.name == name: return s for a in s.aliases: if a == name: return s return None class ItemResult(object): pass class OptionResult(ItemResult): isSet = False def __call__(self): return self.value() class SwitchOptionResult(OptionResult): def value(self): return self.isSet class ArgumentOptionResult(OptionResult): argument = None def value(self): if self.isSet: return self.argument return None class MultiArgumentOptionResult(OptionResult): arguments = None def __init__(self): OptionResult.__init__(self) self.arguments = [] def __getitem__(self, key): if self.isSet: return self.arguments[key] return None def __len__(self): if self.isSet: return len(self.arguments) return 0 def __call__(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments def value(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments class GroupOptionResult(OptionResult): selectedOption = None selectedOptionName = None def __init__(self): OptionResult.__init__(self) self.isSet = 0 def value(self): if self.isSet > 0: return self.selectedOptionName class Message(object): DEBUG = 0 WARNING = 1 ERROR = 2 FATALERROR = 3 FATALERROR_UNKNOWN_OPTION = "Unknown option %s" ERROR_INVALID_OPTION_VALUE = "Invalid value for option %s. %s" ERROR_INVALID_POSARG_VALUE = "Invalid value for positional argument %d. %s" ERROR_MISSING_ARG = "Missing argument for option %s" ERROR_REQUIRED_OPTION = "Missing required option %s" ERROR_REQUIRED_GROUP = "At least one of the following options have to be set: %s" ERROR_REQUIRED_XGROUP = "One of the following options have to be set: %s" ERROR_REQUIRED_POSARG = "Required positional argument %d is missing" ERROR_PROGRAM_POSARG = "Program does not accept positional arguments" ERROR_SUBCMD_POSARG = "Subcommand %s does not accept positional arguments" ERROR_TOOMANY_POSARG = "Too many positional arguments" ERROR_MISSING_MARG = "At least %d argument(s) required for %s option, got %d" ERROR_UNEXPECTED_OPTION = "Unexpected option %s" ERROR_SWITCH_ARG = "Option %s does not allow an argument" WARNING_IGNORE_EOA = "Ignore end-of-argument marker" type = DEBUG code = 0 message = "" def __init__(self, type, code, message): object.__init__(self) self.type = type self.code = code self.message = message def __str__(self): return self.message class RootItemResult(ItemResult): _options = {} def __init__(self): ItemResult.__init__(self) self._options = {} def __getitem__(self, item): return self._options[item] def __getattr__(self, attr): return self._options[attr] def __setitem__(self, attr, value): self._options[attr] = value class SubcommandResult(RootItemResult): pass class ProgramResult(RootItemResult): subcommandName = None subcommand = None def __init__(self): self.subcommandName = None self.subcommand = None self._subcommands = {} self._values = [] self._messages = [] RootItemResult.__init__(self) def __len__(self): return self.valueCount() def __getitem__(self, key): if Util.isInteger(key): return self._values[key] else: return RootItemResult.__getattr__(self, key) def __setitem__(self, key, value): if Util.isInteger(key): self._values.insert(key, value) else: RootItemResult.__setitem__(self, key, value) def __iter__(self): return enumerate(self._values) def __call__(self): return (len(self.getMessages(Message.ERROR, Message.FATALERROR)) == 0) def valueCount(self): return len(self._values) def getMessages(self, min = Message.WARNING, max = Message.FATALERROR): messages = [] for m in self._messages: if m.type < min: continue if m.type > max: continue messages.append(m) return messages def _addSubcommand(self, name, scr): self._subcommands[name] = scr def _appendMessage(self, type, code, format, *args): msg = format % args self._messages.append(Message(type, code, msg)) _subcommands = None _messages = None _values = None class OptionBinding(object): name = None info = None result = None parentResults = None def __init__(self, name, info, result = None): object.__init__(self) self.name = name self.info = info self.result = result self.parentResults = [] class ParserState(object): ENDOFOPTIONS = 0x1 UNEXPECTEDOPTION = 0x2 ABORT = 0x4 stateFlags = 0 argv = None argIndex = 0 optionNameBindings = None optionGroupBindings = None subcommandNameBindings = None activeSubcommandIndex = 0 activeOption = None activeOptionArguments = None values = None anonymousOptionResults = None def __init__(self, programInfo): object.__init__(self) self.argv = [] self.optionNameBindings = [] self.optionGroupBindings = [] self.subcommandNameBindings = {} self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in programInfo.options: self.initializeStateData(None, o, 0) scIndex = 1 for s in programInfo.subcommands: self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in s.options: self.initializeStateData(None, o, scIndex) self.subcommandNameBindings[s.name] = { "subcommandIndex": scIndex, "subcommand": s } scIndex += 1 def prepareState(self, programInfo, argv, startIndex): self.stateFlags = 0 self.argv = list(argv) self.argIndex = startIndex self.activeOption = None self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] result = ProgramResult() for o in programInfo.options: self.initializeStateData(result, o, 0) scIndex = 1 for s in programInfo.subcommands: scr = SubcommandResult() result._addSubcommand(s.name, scr) for o in s.options: self.initializeStateData(scr, o, scIndex) scIndex += 1 return result def createResult(self, rootItemResult, option): result = None if isinstance(option, SwitchOptionInfo): result = SwitchOptionResult() elif isinstance(option, ArgumentOptionInfo): result = ArgumentOptionResult() elif isinstance(option, MultiArgumentOptionInfo): result = MultiArgumentOptionResult() elif isinstance(option, GroupOptionInfo): result = GroupOptionResult() if Util.isString(option.variableName) and len(option.variableName) > 0: rootItemResult[option.variableName] = result else: self.anonymousOptionResults.append(result) return result def initializeStateData(self, rootItemResult, option, groupIndex, resultTree = []): result = None if rootItemResult != None: result = self.createResult(rootItemResult, option) optionKey = option.getKey() for k, n in option.names: nameKey = optionKey + '/' + k if rootItemResult == None: self.optionNameBindings[groupIndex][nameKey] = OptionBinding(n, option, None) else: self.optionNameBindings[groupIndex][nameKey].result = result self.optionNameBindings[groupIndex][nameKey].parentResults = list(resultTree) if isinstance(option, GroupOptionInfo): if rootItemResult == None: self.optionGroupBindings[groupIndex][optionKey] = OptionBinding(None, option, None) else: self.optionGroupBindings[groupIndex][optionKey].result = result self.optionGroupBindings[groupIndex][optionKey].parentResults = list(resultTree) for o in option.options: parentResults = [] if rootItemResult != None: parentResults = [result, ] + resultTree self.initializeStateData(rootItemResult, o, groupIndex, parentResults) class Parser(object): def __init__(self, programInfo): object.__init__(self) self._programInfo = programInfo self._state = ParserState(programInfo) def parse(self, argv, startIndex = 1): result = self._state.prepareState(self._programInfo, argv, startIndex) argc = len(argv) while self._state.argIndex < argc: arg = argv[self._state.argIndex] if (self._state.activeOption != None): if not self._activeOptionAcceptsArguments(): self._unsetActiveOption(result) if self._state.stateFlags & ParserState.ENDOFOPTIONS: self._processPositionalArgument(result, arg) elif arg == "--": self._state.stateFlags |= ParserState.ENDOFOPTIONS self._unsetActiveOption(result) elif arg == "-": if (self._state.activeOption != None): if isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if (len(self._state.activeOptionArguments) == 0): result._appendMessage(Message.WARNING, 2, Message.WARNING_IGNORE_EOA) self._state.activeOptionArguments.append(arg) else: self._unsetActiveOption(result) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (len(arg) >= 2) and (arg[0:2] == "\\-"): arg = arg[1:len(arg)] if self._state.activeOption != None: self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (self._state.activeOption != None) and len(self._state.activeOptionArguments) == 0: self._state.activeOptionArguments.append(arg) elif (len(arg) > 2) and (arg[0:2] == "--"): if self._state.activeOption != None: self._unsetActiveOption(result) cliName = arg name = arg[2:len(arg)] tail = "" hasTail = False equalSignIndex = name.find("="); if equalSignIndex >= 0: hasTail = True tail = name[(equalSignIndex + 1):len(name)] name = name[0:equalSignIndex] cliName = "--" + name self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if hasTail: self._state.activeOptionArguments.append(tail) else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (len(arg) > 1) and (arg[0:1] == "-"): arg = arg[1:len(arg)] while (len(arg) > 0): if self._state.activeOption != None: self._unsetActiveOption(result) name = arg[0:1] cliName = "-" + name arg = arg[1:len(arg)] self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if isinstance(self._state.activeOption.info, ArgumentOptionInfo) or isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(arg) > 0: self._state.activeOptionArguments.append(arg) break else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (self._state.activeOption != None): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) if self._state.stateFlags & ParserState.ABORT: break self._state.argIndex = self._state.argIndex + 1 self._unsetActiveOption(result) changeCount = 1 while (changeCount > 0): changeCount = self._postProcessOptions(result) for g, bindings in enumerate(self._state.optionNameBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue binding = None nameKeys = bindings.keys() nameKeys = sorted(nameKeys) for nameKey in nameKeys: b = bindings[nameKey] if (binding != None) and (binding.info == b.info): continue binding = b if ((not binding.result.isSet) and self._optionRequired(binding)): result._appendMessage(Message.ERROR, 4, Message.ERROR_REQUIRED_OPTION, binding.name.cliName()) for g, bindings in enumerate(self._state.optionGroupBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue for n, binding in bindings.items(): if ((not binding.result.isSet) and self._optionRequired(binding)): nameList = binding.info.getOptionNameListString() if binding.info.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: result._appendMessage(Message.ERROR, 6, Message.ERROR_REQUIRED_XGROUP, nameList) else: result._appendMessage(Message.ERROR, 5, Message.ERROR_REQUIRED_GROUP, nameList) self._postProcessPositionalArguments(result) return result def _activeOptionAcceptsArguments(self): s = self._state ao = self._state.activeOption i = ao.info if (isinstance(i, MultiArgumentOptionInfo)): if i.maxArgumentCount > 0: return ((len(s.activeOptionArguments) + len(ao.result.arguments)) < i.maxArgumentCount) return True if (isinstance(i, ArgumentOptionInfo)): return len(s.activeOptionArguments) == 0 return False def _unsetActiveOption(self, result): markSet = False if self._state.activeOption == None: return if self._state.stateFlags & ParserState.UNEXPECTEDOPTION: result._appendMessage(Message.ERROR, 12, Message.ERROR_UNEXPECTED_OPTION, self._state.activeOption.name.cliName()) if isinstance(self._state.activeOption.info, SwitchOptionInfo): markSet = True if len(self._state.activeOptionArguments) > 0: if len(self._state.activeOptionArguments) > 1 or len(self._state.activeOptionArguments[0]) > 0: markSet = False result._appendMessage(Message.ERROR, 13, Message.ERROR_SWITCH_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: value = self._state.activeOptionArguments[0] if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.argument = value else: self._state.activeOption.result.argument = None else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: for value in self._state.activeOptionArguments: if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.arguments.append(value) else: self._state.activeOption.result.arguments.append(None) else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_MARG, self._state.activeOption.info.minArgumentCount, self._state.activeOption.name.cliName(), len(self._state.activeOptionArguments)) if (not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and markSet: self._markOption(result, self._state.activeOption, True) self._state.activeOptionArguments = [] self._state.activeOption = None self._state.stateFlags &= ~ParserState.UNEXPECTEDOPTION def _markOption(self, result, binding, value): binding.result.isSet = value childResult = binding.result childInfo = binding.info parentInfo = childInfo.parent; for parentResult in binding.parentResults: if value: parentResult.isSet += 1 else: parentResult.isSet -= 1 if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if value: parentResult.selectedOption = childResult parentResult.selectedOptionName = childInfo.variableName if parentResult.isSet == 0: parentResult.selectedOption = None parentResult.selectedOptionName = None childInfo = childInfo.parent parentInfo = parentInfo.parent childResult = parentResult def _validateOptionArgument(self, result, binding, value): validates = True for validator in binding.info.validators: v = validator.validate(self._state, result, binding, value) validates = (validates and v) return validates def _validatePositionalArgument(self, result, paInfo, paNumber, value): validates = True for validator in paInfo.validators: v = validator.validate(self._state, result, paNumber, value) validates = (validates and v) return validates def _processPositionalArgument(self, result, value): if (not self._state.stateFlags & ParserState.ENDOFOPTIONS) and (self._state.activeSubcommandIndex == 0) and (len(self._state.values) == 0): for name, binding in self._state.subcommandNameBindings.items(): if name == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return for alias in binding["subcommand"].aliases: if alias == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return self._state.values.append(value) def _findOptionByInfo(self, info): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if info == binding.info: return binding return None def _findOptionByName(self, name): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if name == binding.name.name: return binding return None def _activeBindingGroups(self, types): s = self._state g = [] if s.activeSubcommandIndex > 0: if types & 0x1: g.append (s.optionGroupBindings[s.activeSubcommandIndex]) g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[s.activeSubcommandIndex]) g.append (s.optionNameBindings[0]) else: if types & 0x1: g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[0]) return g def _optionExpected(self, binding): parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if parentResult.isSet and parentResult.selectedOption != previousResult: return False parentInfo = parentInfo.parent previousResult = parentResult return True def _optionRequired(self, binding): if not (binding.info.optionFlags & ItemInfo.REQUIRED): return False parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if (not parentResult.isSet) or (parentResult.selectedOption != previousResult): return False parentInfo = parentInfo.parent previousResult = parentResult return True def _postProcessOption(self, result, current, forceSet): if isinstance(current.info, GroupOptionInfo): if (not current.result.isSet) and (forceSet or self._optionExpected(current)) and self._optionRequired(current) and (current.info.defaultOption != None): return self._postProcessOption(result, self._findOptionByInfo(current.info.defaultOption), True) if isinstance(current.info, SwitchOptionInfo) and (not current.result.isSet) and forceSet: self._markOption(result, current, True) return 1 elif isinstance(current.info, ArgumentOptionInfo): if (not current.result.isSet): if (current.info.defaultValue != None) and (forceSet or self._optionExpected(current)): current.result.argument = current.info.defaultValue self._markOption(result, current, True) return 1 else: current.result.argument = None elif isinstance(current.info, MultiArgumentOptionInfo): c = len(current.result.arguments) if current.result.isSet and (current.info.minArgumentCount > 0) and (c < current.info.minArgumentCount): result._appendMessage(Message.ERROR, 11, Message.ERROR_MISSING_MARG, current.info.minArgumentCount, current.name.cliName(), c) self._markOption(result, current, False) if not current.result.isSet: current.result.arguments = [] return 1 return 0 def _postProcessOptions(self, result): current = None changeCount = 0 for i, group in enumerate(self._activeBindingGroups(0x3)): current = None for name, binding in group.items(): if current != None and (current.info == binding.info): continue current = binding changeCount += self._postProcessOption (result, current, False) return changeCount def _postProcessPositionalArguments(self, result): root = self._programInfo validPositionalArgumentCount = 0 if self._state.activeSubcommandIndex > 0: root = self._programInfo.subcommands[self._state.activeSubcommandIndex - 1] paInfoCount = len(root.positionalArguments) if (paInfoCount == 0) and (len(self._state.values) > 0): if self._state.activeSubcommandIndex > 0: result._appendMessage(Message.ERROR, 9, Message.ERROR_SUBCMD_POSARG, root.name) else: result._appendMessage(Message.ERROR, 8, Message.ERROR_PROGRAM_POSARG) return validPositionalArgumentCount paInfoIndex = 0 paNumber = 1 currentPaiValueCount = 0 processedValueCount = 0 paInfo = None for value in self._state.values: if paInfoIndex >= paInfoCount: break currentPaiValueCount += 1 processedValueCount += 1 paInfo = root.positionalArguments[paInfoIndex] if self._validatePositionalArgument(result, paInfo, paNumber, value): result._values.append(value); validPositionalArgumentCount += 1 else: pass """ @todo continue or abort ? """ if ((paInfo.maxArgumentCount > 0) and (currentPaiValueCount == paInfo.maxArgumentCount)): currentPaiValueCount = 0 paInfoIndex += 1 paNumber += 1 if (len(self._state.values) > processedValueCount): result._appendMessage(Message.ERROR, 10, Message.ERROR_TOOMANY_POSARG) elif (paInfoIndex < paInfoCount): """/** * @note not yet supported by schema */""" for i in range(paInfoIndex, paInfoCount): if (root.positionalArguments[i].positionalArgumentFlags & ItemInfo.REQUIRED): result._appendMessage(Message.ERROR, 7, Message.ERROR_REQUIRED_POSARG, i) _programInfo = None _state = None"
Base classes of the Python parser

Default value: import os import math import textwrap class Util(object): @classmethod def isArray(cls, var): return isinstance(var, (list, tuple)) @classmethod def isString(cls, var): return isinstance(var, str) @classmethod def isInteger(cls, var): if cls.isString(var): return var.isdigit() else: try: int(var) return True except ValueError: return False except TypeError: return False @classmethod def isNumeric(cls, var): try: float(var) return True except ValueError: return False except TypeError: return False @classmethod def implode(cls, container, separator = ", ", lastSeparator = " or "): if not cls.isArray(container): return "" length = len(container) if length == 0: return "" elif length == 1: return container elif length == 2: return lastSeparator.join(container) return separator.join(container[0:(length - 1)]) + lastSeparator + container[length - 1] class UsageFormat(object): SHORT_TEXT = 0x1 ABSTRACT_TEXT = 0x2 DETAILED_TEXT = 0x7 INDENTOFFSET_FIRST = 0x1 INDENTOFFSET_OTHER = 0x2 INDENTOFFSET_ALL = 0x3 lineLength = 80 endOfLineString = "\n" indentString = " " format = 0 def __init__(self, format = DETAILED_TEXT): object.__init__(self) self.lineLength = 80 self.endOfLineString = "\n" self.indentString = " " self.format = format def wrap(self, text, mode, level): first = (self.indentString * level) other = (self.indentString * level) if mode & self.INDENTOFFSET_FIRST: first += self.indentString if mode & self.INDENTOFFSET_OTHER: other += self.indentString return textwrap.fill(text, width = self.lineLength, initial_indent = first, subsequent_indent = other) class OptionName(object): SHORT = 1 LONG = 2 ANY = 3 name = "" def __init__(self, name): object.__init__(self) self.name = name def __str__(self): return self.name def isShort(self): return len(self.name) == 1 def getType(self): if self.isShort(): return OptionName.SHORT return OptionName.LONG def cliName(self): if self.isShort(): return "-" + self.name return "--" + self.name class OptionNameList(object): def __init__(self, names): object.__init__(self) self.names = {} if Util.isArray(names): for n in names: if Util.isString(n): self.names[n] = OptionName(n) elif isinstance(n, OptionName): self.names[n.name] = n def __iter__(self): return iter(self.names.items()) def getShortOptionNames(self): res = OptionNameList for k, n in self.names.items(): if n.isShort(): res.names[k] = n return res def getLongOptionNames(self): res = OptionNameList for k, n in self.names.items(): if not n.isShort(): res.names[k] = n return res def getFirstOptionName(self, type = OptionName.ANY, strict = False): if type == OptionName.ANY: return self.names[self.names.keys()[0]] other = None for k, n in self.names.items(): if type == n.getType(): return n if other == None: other = n if strict: return None return other class ValueValidator(object): pass def validate(self, state, result, element, value): return True def usage(self, usageFormat = None): return "" def appendDefaultError(self, state, result, element, usageFormat = None): if Util.isInteger(element): result._appendMessage(Message.ERROR, 2, Message.ERROR_INVALID_POSARG_VALUE, element, self.usage(usageFormat)) else: result._appendMessage(Message.ERROR, 1, Message.ERROR_INVALID_OPTION_VALUE, element.name.cliName(), self.usage(usageFormat)) class PathValueValidator(ValueValidator): EXISTS = 0x01 ACCESS_READ = 0x02 ACCESS_WRITE = 0x04 ACCESS_EXECUTE = 0x08 TYPE_FILE = 0x10 TYPE_FOLDER = 0x20 TYPE_SYMLINK = 0x40 TYPE_ALL = 0x70 flags = 0 def __init__(self, flags): ValueValidator.__init__(self) self.flags = flags def validate(self, state, result, element, value): passed = True if self.flags & EXISTS: if self.flags & ACCESS_READ and not os.access(value, os.R_OK): passed = False if self.flags & ACCESS_WRITE and not os.access(value, os.W_OK): passed = False if self.flags & ACCESS_EXECUTE and not os.access(value, os.X_OK): passed = False if os.path.exists(value): types = (self.flags & TYPE_ALL) if not ((types == 0) or (types == TYPE_ALL)): typeFound = False if self.flags & TYPE_FILE and os.path.isfile(value): typeFound = True elif self.flags & TYPE_FOLDER and os.path.isdir(value): typeFound = True elif self.flags & self.TYPE_SYMLINK and os.path.islink(value): typeFound = True if not typeFound: passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "" types = self.flags & self.TYPE_ALL eol = usageFormat.endOfLineString if not (types == 0 or types & self.TYPE_ALL): types = { self.TYPE_FILE: "file", self.TYPE_FOLDER: "folder", self.TYPE_SYMLINK: "symbolic link" } names = [] for t, name in types.items(): if t & self.flags: names.append(name) text += "Expected file type" if len(names) > 1: text += "s" text += ": " + Util.implode(names, ", ", " or ") access = self.flags & (self.ACCESS_EXECUTE | self.ACCESS_READ | self.ACCESS_WRITE) if access > 0: access = { self.ACCESS_EXECUTE: "executable", self.ACCESS_READ: "readable", self.ACCESS_WRITE: "writable"} names = [] for a, name in access.items(): names.append(name) if len(text) > 0: text += eol text += "Path argument must be " + Util.implode(names, ", ", " and ") return text class NumberValueValidator(ValueValidator): minValue = None maxValue = None def __init__(self, min, max): self.minValue = min self.maxValue = max if Util.isNumeric(self.minValue): self.minValue = float(self.minValue) if Util.isNumeric(self.maxValue): self.maxValue = float(self.maxValue) def validate(self, state, result, element, value): passed = True if not Util.isNumeric(value): passed = False if passed and (self.minValue != None) and (float(value) < self.minValue): passed = False if passed and (self.maxValue != None) and (float(value) > self.maxValue): passed = False if not passed: self.appendDefaultError(state, result, element) return passed def usage(self, usageFormat = UsageFormat()): text = "Argument value must be a number"; if self.minValue != None: if self.maxValue != None: text += " between " + str(self.minValue) + " and " + str(self.maxValue) else: text += " greater or equal than " + str(self.minValue) elif self.maxValue != None: text += " lesser or equal than " + str(self.maxValue) return text class EnumerationValueValidator(ValueValidator): RESTRICT = 0x1 values = () flags = RESTRICT def __init__(self, values = (), flags = RESTRICT): self.values = values def validate(self, state, result, element, value): if not (self.flags & self.RESTRICT): return True for v in self.values: if v == value: return True self.appendDefaultError(state, result, element) return False def usage(self, usageFormat = UsageFormat()): text = "Argument value "; if self.flags & self.RESTRICT: text += "must be " else: text += "can be " text += Util.implode(self.values, ", ", " or ") return text class ItemInfo(object): REQUIRED = 1 abstract = "" details = "" def __init__(self, abstract = "", details = ""): object.__init__(self) self.abstract = abstract self.details = details class OptionInfo(ItemInfo): optionFlags = 0 variableName = None names = None parent = None validators = None def __init__(self, variableName = None, names = None, flags = 0): ItemInfo.__init__(self) self.optionFlags = flags self.variableName = variableName self.names = OptionNameList(names) self.validators = [] def getKey(self): key = self.__class__.__name__ if self.parent == None: return key index = 0 for o in self.parent.options: if o == self: key = self.parent.getKey() + "." + str(index) + key break else: index = index + 1 return key class SwitchOptionInfo(OptionInfo): def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class ArgumentType: STRING = 1 MIXED = 1 EXISTINGCOMMAND = 2 HOSTNAME = 3 PATH = 4 NUMBER = 5 @classmethod def usageName(cls, type): if type == cls.EXISTINGCOMMAND: return "cmd" elif type == cls.HOSTNAME: return "host" elif type == cls.PATH: return "path" elif type == cls.NUMBER: return "number" return "?" class ArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED defaultValue = None def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class MultiArgumentOptionInfo(OptionInfo): argumentType = ArgumentType.MIXED minArgumentCount = 1 maxArgumentCount = 0 def __init__(self, variableName = None, names = None, flags = 0): OptionInfo.__init__(self, variableName, names, flags) class OptionContainerOptionInfo(OptionInfo): def __init__(self, variableName = None, flags = None): OptionInfo.__init__(self, variableName, None, flags) self.options = [] def appendOption(self, option): self.options.append(option) option.parent = self def getOptionNameListString(self): names = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): names.append("(" + o.getOptionNameListString() + ")") else: names.append(o.names.getFirstOptionName(OptionName.LONG, False).cliName()) return Util.implode(names, ", ", " or ") def flattenOptionTree(self): options = [] for o in self.options: if isinstance(o, OptionContainerOptionInfo): options = options + o.flattenOptionTree() else: options.append(o) return options def optionShortUsage(self, usageFormat): text = "" visited = [] optionlist = self.flattenOptionTree() required = [] for o in optionlist: if o.optionFlags & ItemInfo.REQUIRED: required.append(o) optionlist.remove(o) optionlist = required + optionlist groups = [ [], [] ] for option in optionlist: firstShort = option.names.getFirstOptionName(OptionName.SHORT, True) if firstShort != None and isinstance(option, SwitchOptionInfo): groups[0].append(firstShort.name) else: first = option.names.getFirstOptionName(OptionName.SHORT, False) if first != None: groups[1].append ({"option": option, "name": first}) if len(groups[0]) > 0: text += "-" + "".join(groups[0]) for other in groups[1]: option = other["option"] name = other["name"] required = (option.optionFlags & ItemInfo.REQUIRED) optionText = name.cliName() if isinstance(option, ArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + ">" elif isinstance(option, MultiArgumentOptionInfo): optionText += "=<" + ArgumentType.usageName(option.argumentType) + " ...>" if (not required) and (len(optionText) > 0): optionText = "[" + optionText + "]" if (len(text) > 0) and (len(optionText) > 0): text += " " text += optionText return text def optionUsage(self, usageFormat, level = 0): text = "" eol = usageFormat.endOfLineString for o in self.options: subtext = "" if not (isinstance(o, GroupOptionInfo)): clinames = [] for k, name in o.names: clinames.append(name.cliName()) subtext += ", ".join(clinames) if usageFormat.format & UsageFormat.ABSTRACT_TEXT and Util.isString(o.abstract) and (len(o.abstract) > 0): if len(subtext) > 0: subtext += ": " subtext += o.abstract if usageFormat.format & UsageFormat.DETAILED_TEXT and Util.isString(o.details) and (len(o.details) > 0): if len(subtext) > 0: subtext += eol subtext += o.details if isinstance(o, GroupOptionInfo): if len(subtext) > 0: subtext += eol subtext += o.optionUsage(usageFormat, level + 1) if len(subtext) > 0: text += subtext + eol else: for v in o.validators: vtext = v.usage(usageFormat) if len(vtext) > 0: if len(subtext) > 0: subtext += eol subtext += vtext if len(subtext) > 0: text += usageFormat.wrap(subtext, UsageFormat.INDENTOFFSET_OTHER, level) + eol return text options = None class GroupOptionInfo(OptionContainerOptionInfo): TYPE_NORMAL = 0 TYPE_EXCLUSIVE = 1 groupType = 0 defaultOption = None def __init__(self, variableName = None, groupType = TYPE_NORMAL, flags = 0, dfltOption = None): OptionContainerOptionInfo.__init__(self, variableName, flags) self.groupType = groupType self.defaultOption = dfltOption class PositionalArgumentInfo(ItemInfo): positionalArgumentFlags = 0 argumentType = ArgumentType.MIXED maxArgumentCount = 1 validators = None def __init__(self, maxArgumentCount = 1, argumentType = ArgumentType.MIXED, flags = 0): ItemInfo.__init__(self) self.positionalArgumentFlags = flags self.argumentType = argumentType self.maxArgumentCount = maxArgumentCount self.validators = [] class RootItemInfo(OptionContainerOptionInfo): positionalArguments = None def __init__(self): OptionContainerOptionInfo.__init__(self) self.positionalArguments = [] def appendPositionalArgument(self, info): self.positionalArguments.append(info) return info class SubcommandInfo(RootItemInfo): name = "" aliases = None def __init__(self, name, aliases = ()): RootItemInfo.__init__(self) self.name = name self.aliases = [] if Util.isArray(aliases): for a in aliases: if Util.isString(a): self.aliases.append(a) def getNames(self): allNames = [] allNames.append(self.name) for a in self.aliases: allNames.append(a) return allNames class ProgramInfo(RootItemInfo): name = "" subcommands = None def __init__(self, name): RootItemInfo.__init__(self) self.name = name self.subcommands = [] def usage(self, usageFormat, subcommandName = None): usage = usageFormat if usage == None: usage = UsageFormat() eol = usage.endOfLineString subcommand = None root = self if Util.isString(subcommandName): subcommand = self.findSubcommand(subcommandName) text = "Usage: " + self.name if subcommand != None: root = subcommand text += " " + subcommand.name text = usageFormat.wrap(text + " " + self.optionShortUsage(usage), UsageFormat.INDENTOFFSET_OTHER, 0) if (usage.format & UsageFormat.ABSTRACT_TEXT) == UsageFormat.ABSTRACT_TEXT: rootUsage = "" if len(root.abstract) > 0: text += eol + usage.wrap(root.abstract, UsageFormat.INDENTOFFSET_OTHER, 1) + eol text += eol else: rootUsage = eol rootUsage += "With: " + eol if subcommand != None: rootUsage += subcommand.optionUsage(usage, 1) else: rootUsage += self.optionUsage(usage, 1) text += rootUsage if (usage.format & UsageFormat.DETAILED_TEXT == UsageFormat.DETAILED_TEXT): if len(root.details) > 0: text += usage.wrap(root.details, UsageFormat.INDENTOFFSET_OTHER, 0) return text def appendSubcommand(self, subcommandInfo): self.subcommands.append(subcommandInfo) return subcommandInfo def findSubcommand(self, name): for s in self.subcommands: if s.name == name: return s for a in s.aliases: if a == name: return s return None class ItemResult(object): pass class OptionResult(ItemResult): isSet = False def __call__(self): return self.value() class SwitchOptionResult(OptionResult): def value(self): return self.isSet class ArgumentOptionResult(OptionResult): argument = None def value(self): if self.isSet: return self.argument return None class MultiArgumentOptionResult(OptionResult): arguments = None def __init__(self): OptionResult.__init__(self) self.arguments = [] def __getitem__(self, key): if self.isSet: return self.arguments[key] return None def __len__(self): if self.isSet: return len(self.arguments) return 0 def __call__(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments def value(self, *args): if not self.isSet: return [] if Util.isArray(args) and (len(args) > 0): partialArgs = [] for a in args: partialArgs.append(self.arguments[a]) return partialArgs return self.arguments class GroupOptionResult(OptionResult): selectedOption = None selectedOptionName = None def __init__(self): OptionResult.__init__(self) self.isSet = 0 def value(self): if self.isSet > 0: return self.selectedOptionName class Message(object): DEBUG = 0 WARNING = 1 ERROR = 2 FATALERROR = 3 FATALERROR_UNKNOWN_OPTION = "Unknown option %s" ERROR_INVALID_OPTION_VALUE = "Invalid value for option %s. %s" ERROR_INVALID_POSARG_VALUE = "Invalid value for positional argument %d. %s" ERROR_MISSING_ARG = "Missing argument for option %s" ERROR_REQUIRED_OPTION = "Missing required option %s" ERROR_REQUIRED_GROUP = "At least one of the following options have to be set: %s" ERROR_REQUIRED_XGROUP = "One of the following options have to be set: %s" ERROR_REQUIRED_POSARG = "Required positional argument %d is missing" ERROR_PROGRAM_POSARG = "Program does not accept positional arguments" ERROR_SUBCMD_POSARG = "Subcommand %s does not accept positional arguments" ERROR_TOOMANY_POSARG = "Too many positional arguments" ERROR_MISSING_MARG = "At least %d argument(s) required for %s option, got %d" ERROR_UNEXPECTED_OPTION = "Unexpected option %s" ERROR_SWITCH_ARG = "Option %s does not allow an argument" WARNING_IGNORE_EOA = "Ignore end-of-argument marker" type = DEBUG code = 0 message = "" def __init__(self, type, code, message): object.__init__(self) self.type = type self.code = code self.message = message def __str__(self): return self.message class RootItemResult(ItemResult): _options = {} def __init__(self): ItemResult.__init__(self) self._options = {} def __getitem__(self, item): return self._options[item] def __getattr__(self, attr): return self._options[attr] def __setitem__(self, attr, value): self._options[attr] = value class SubcommandResult(RootItemResult): pass class ProgramResult(RootItemResult): subcommandName = None subcommand = None def __init__(self): self.subcommandName = None self.subcommand = None self._subcommands = {} self._values = [] self._messages = [] RootItemResult.__init__(self) def __len__(self): return self.valueCount() def __getitem__(self, key): if Util.isInteger(key): return self._values[key] else: return RootItemResult.__getattr__(self, key) def __setitem__(self, key, value): if Util.isInteger(key): self._values.insert(key, value) else: RootItemResult.__setitem__(self, key, value) def __iter__(self): return enumerate(self._values) def __call__(self): return (len(self.getMessages(Message.ERROR, Message.FATALERROR)) == 0) def valueCount(self): return len(self._values) def getMessages(self, min = Message.WARNING, max = Message.FATALERROR): messages = [] for m in self._messages: if m.type < min: continue if m.type > max: continue messages.append(m) return messages def _addSubcommand(self, name, scr): self._subcommands[name] = scr def _appendMessage(self, type, code, format, *args): msg = format % args self._messages.append(Message(type, code, msg)) _subcommands = None _messages = None _values = None class OptionBinding(object): name = None info = None result = None parentResults = None def __init__(self, name, info, result = None): object.__init__(self) self.name = name self.info = info self.result = result self.parentResults = [] class ParserState(object): ENDOFOPTIONS = 0x1 UNEXPECTEDOPTION = 0x2 ABORT = 0x4 stateFlags = 0 argv = None argIndex = 0 optionNameBindings = None optionGroupBindings = None subcommandNameBindings = None activeSubcommandIndex = 0 activeOption = None activeOptionArguments = None values = None anonymousOptionResults = None def __init__(self, programInfo): object.__init__(self) self.argv = [] self.optionNameBindings = [] self.optionGroupBindings = [] self.subcommandNameBindings = {} self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in programInfo.options: self.initializeStateData(None, o, 0) scIndex = 1 for s in programInfo.subcommands: self.optionNameBindings.append({}) self.optionGroupBindings.append({}) for o in s.options: self.initializeStateData(None, o, scIndex) self.subcommandNameBindings[s.name] = { "subcommandIndex": scIndex, "subcommand": s } scIndex += 1 def prepareState(self, programInfo, argv, startIndex): self.stateFlags = 0 self.argv = list(argv) self.argIndex = startIndex self.activeOption = None self.activeOptionArguments = [] self.values = [] self.anonymousOptionResults = [] result = ProgramResult() for o in programInfo.options: self.initializeStateData(result, o, 0) scIndex = 1 for s in programInfo.subcommands: scr = SubcommandResult() result._addSubcommand(s.name, scr) for o in s.options: self.initializeStateData(scr, o, scIndex) scIndex += 1 return result def createResult(self, rootItemResult, option): result = None if isinstance(option, SwitchOptionInfo): result = SwitchOptionResult() elif isinstance(option, ArgumentOptionInfo): result = ArgumentOptionResult() elif isinstance(option, MultiArgumentOptionInfo): result = MultiArgumentOptionResult() elif isinstance(option, GroupOptionInfo): result = GroupOptionResult() if Util.isString(option.variableName) and len(option.variableName) > 0: rootItemResult[option.variableName] = result else: self.anonymousOptionResults.append(result) return result def initializeStateData(self, rootItemResult, option, groupIndex, resultTree = []): result = None if rootItemResult != None: result = self.createResult(rootItemResult, option) optionKey = option.getKey() for k, n in option.names: nameKey = optionKey + '/' + k if rootItemResult == None: self.optionNameBindings[groupIndex][nameKey] = OptionBinding(n, option, None) else: self.optionNameBindings[groupIndex][nameKey].result = result self.optionNameBindings[groupIndex][nameKey].parentResults = list(resultTree) if isinstance(option, GroupOptionInfo): if rootItemResult == None: self.optionGroupBindings[groupIndex][optionKey] = OptionBinding(None, option, None) else: self.optionGroupBindings[groupIndex][optionKey].result = result self.optionGroupBindings[groupIndex][optionKey].parentResults = list(resultTree) for o in option.options: parentResults = [] if rootItemResult != None: parentResults = [result, ] + resultTree self.initializeStateData(rootItemResult, o, groupIndex, parentResults) class Parser(object): def __init__(self, programInfo): object.__init__(self) self._programInfo = programInfo self._state = ParserState(programInfo) def parse(self, argv, startIndex = 1): result = self._state.prepareState(self._programInfo, argv, startIndex) argc = len(argv) while self._state.argIndex < argc: arg = argv[self._state.argIndex] if (self._state.activeOption != None): if not self._activeOptionAcceptsArguments(): self._unsetActiveOption(result) if self._state.stateFlags & ParserState.ENDOFOPTIONS: self._processPositionalArgument(result, arg) elif arg == "--": self._state.stateFlags |= ParserState.ENDOFOPTIONS self._unsetActiveOption(result) elif arg == "-": if (self._state.activeOption != None): if isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if (len(self._state.activeOptionArguments) == 0): result._appendMessage(Message.WARNING, 2, Message.WARNING_IGNORE_EOA) self._state.activeOptionArguments.append(arg) else: self._unsetActiveOption(result) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (len(arg) >= 2) and (arg[0:2] == "\\-"): arg = arg[1:len(arg)] if self._state.activeOption != None: self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) elif (self._state.activeOption != None) and len(self._state.activeOptionArguments) == 0: self._state.activeOptionArguments.append(arg) elif (len(arg) > 2) and (arg[0:2] == "--"): if self._state.activeOption != None: self._unsetActiveOption(result) cliName = arg name = arg[2:len(arg)] tail = "" hasTail = False equalSignIndex = name.find("="); if equalSignIndex >= 0: hasTail = True tail = name[(equalSignIndex + 1):len(name)] name = name[0:equalSignIndex] cliName = "--" + name self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if hasTail: self._state.activeOptionArguments.append(tail) else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (len(arg) > 1) and (arg[0:1] == "-"): arg = arg[1:len(arg)] while (len(arg) > 0): if self._state.activeOption != None: self._unsetActiveOption(result) name = arg[0:1] cliName = "-" + name arg = arg[1:len(arg)] self._state.activeOption = self._findOptionByName(name) if (self._state.activeOption != None): if not self._optionExpected(self._state.activeOption): self._state.stateFlags |= ParserState.UNEXPECTEDOPTION if isinstance(self._state.activeOption.info, ArgumentOptionInfo) or isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(arg) > 0: self._state.activeOptionArguments.append(arg) break else: result._appendMessage(Message.FATALERROR, 1, Message.FATALERROR_UNKNOWN_OPTION, cliName) self._state.stateFlags |= ParserState.ABORT break elif (self._state.activeOption != None): self._state.activeOptionArguments.append(arg) else: self._processPositionalArgument(result, arg) if self._state.stateFlags & ParserState.ABORT: break self._state.argIndex = self._state.argIndex + 1 self._unsetActiveOption(result) changeCount = 1 while (changeCount > 0): changeCount = self._postProcessOptions(result) for g, bindings in enumerate(self._state.optionNameBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue binding = None nameKeys = bindings.keys() nameKeys = sorted(nameKeys) for nameKey in nameKeys: b = bindings[nameKey] if (binding != None) and (binding.info == b.info): continue binding = b if ((not binding.result.isSet) and self._optionRequired(binding)): result._appendMessage(Message.ERROR, 4, Message.ERROR_REQUIRED_OPTION, binding.name.cliName()) for g, bindings in enumerate(self._state.optionGroupBindings): if (g > 0) and (g != self._state.activeSubcommandIndex): continue for n, binding in bindings.items(): if ((not binding.result.isSet) and self._optionRequired(binding)): nameList = binding.info.getOptionNameListString() if binding.info.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: result._appendMessage(Message.ERROR, 6, Message.ERROR_REQUIRED_XGROUP, nameList) else: result._appendMessage(Message.ERROR, 5, Message.ERROR_REQUIRED_GROUP, nameList) self._postProcessPositionalArguments(result) return result def _activeOptionAcceptsArguments(self): s = self._state ao = self._state.activeOption i = ao.info if (isinstance(i, MultiArgumentOptionInfo)): if i.maxArgumentCount > 0: return ((len(s.activeOptionArguments) + len(ao.result.arguments)) < i.maxArgumentCount) return True if (isinstance(i, ArgumentOptionInfo)): return len(s.activeOptionArguments) == 0 return False def _unsetActiveOption(self, result): markSet = False if self._state.activeOption == None: return if self._state.stateFlags & ParserState.UNEXPECTEDOPTION: result._appendMessage(Message.ERROR, 12, Message.ERROR_UNEXPECTED_OPTION, self._state.activeOption.name.cliName()) if isinstance(self._state.activeOption.info, SwitchOptionInfo): markSet = True if len(self._state.activeOptionArguments) > 0: if len(self._state.activeOptionArguments) > 1 or len(self._state.activeOptionArguments[0]) > 0: markSet = False result._appendMessage(Message.ERROR, 13, Message.ERROR_SWITCH_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, ArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: value = self._state.activeOptionArguments[0] if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.argument = value else: self._state.activeOption.result.argument = None else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_ARG, self._state.activeOption.name.cliName()) elif isinstance(self._state.activeOption.info, MultiArgumentOptionInfo): if len(self._state.activeOptionArguments) > 0: for value in self._state.activeOptionArguments: if ((not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and self._validateOptionArgument(result, self._state.activeOption, value)): markSet = True self._state.activeOption.result.arguments.append(value) else: self._state.activeOption.result.arguments.append(None) else: result._appendMessage(Message.ERROR, 3, Message.ERROR_MISSING_MARG, self._state.activeOption.info.minArgumentCount, self._state.activeOption.name.cliName(), len(self._state.activeOptionArguments)) if (not self._state.stateFlags & ParserState.UNEXPECTEDOPTION) and markSet: self._markOption(result, self._state.activeOption, True) self._state.activeOptionArguments = [] self._state.activeOption = None self._state.stateFlags &= ~ParserState.UNEXPECTEDOPTION def _markOption(self, result, binding, value): binding.result.isSet = value childResult = binding.result childInfo = binding.info parentInfo = childInfo.parent; for parentResult in binding.parentResults: if value: parentResult.isSet += 1 else: parentResult.isSet -= 1 if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if value: parentResult.selectedOption = childResult parentResult.selectedOptionName = childInfo.variableName if parentResult.isSet == 0: parentResult.selectedOption = None parentResult.selectedOptionName = None childInfo = childInfo.parent parentInfo = parentInfo.parent childResult = parentResult def _validateOptionArgument(self, result, binding, value): validates = True for validator in binding.info.validators: v = validator.validate(self._state, result, binding, value) validates = (validates and v) return validates def _validatePositionalArgument(self, result, paInfo, paNumber, value): validates = True for validator in paInfo.validators: v = validator.validate(self._state, result, paNumber, value) validates = (validates and v) return validates def _processPositionalArgument(self, result, value): if (not self._state.stateFlags & ParserState.ENDOFOPTIONS) and (self._state.activeSubcommandIndex == 0) and (len(self._state.values) == 0): for name, binding in self._state.subcommandNameBindings.items(): if name == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return for alias in binding["subcommand"].aliases: if alias == value: self._state.activeSubcommandIndex = binding["subcommandIndex"] result.subcommandName = name result.subcommand = result._subcommands[name] return self._state.values.append(value) def _findOptionByInfo(self, info): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if info == binding.info: return binding return None def _findOptionByName(self, name): for i, group in enumerate(self._activeBindingGroups(0x2)): for n, binding in group.items(): if name == binding.name.name: return binding return None def _activeBindingGroups(self, types): s = self._state g = [] if s.activeSubcommandIndex > 0: if types & 0x1: g.append (s.optionGroupBindings[s.activeSubcommandIndex]) g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[s.activeSubcommandIndex]) g.append (s.optionNameBindings[0]) else: if types & 0x1: g.append (s.optionGroupBindings[0]) if types & 0x2: g.append (s.optionNameBindings[0]) return g def _optionExpected(self, binding): parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if parentResult.isSet and parentResult.selectedOption != previousResult: return False parentInfo = parentInfo.parent previousResult = parentResult return True def _optionRequired(self, binding): if not (binding.info.optionFlags & ItemInfo.REQUIRED): return False parentInfo = binding.info.parent previousResult = binding.result for i, parentResult in enumerate(binding.parentResults): if parentInfo.groupType == GroupOptionInfo.TYPE_EXCLUSIVE: if (not parentResult.isSet) or (parentResult.selectedOption != previousResult): return False parentInfo = parentInfo.parent previousResult = parentResult return True def _postProcessOption(self, result, current, forceSet): if isinstance(current.info, GroupOptionInfo): if (not current.result.isSet) and (forceSet or self._optionExpected(current)) and self._optionRequired(current) and (current.info.defaultOption != None): return self._postProcessOption(result, self._findOptionByInfo(current.info.defaultOption), True) if isinstance(current.info, SwitchOptionInfo) and (not current.result.isSet) and forceSet: self._markOption(result, current, True) return 1 elif isinstance(current.info, ArgumentOptionInfo): if (not current.result.isSet): if (current.info.defaultValue != None) and (forceSet or self._optionExpected(current)): current.result.argument = current.info.defaultValue self._markOption(result, current, True) return 1 else: current.result.argument = None elif isinstance(current.info, MultiArgumentOptionInfo): c = len(current.result.arguments) if current.result.isSet and (current.info.minArgumentCount > 0) and (c < current.info.minArgumentCount): result._appendMessage(Message.ERROR, 11, Message.ERROR_MISSING_MARG, current.info.minArgumentCount, current.name.cliName(), c) self._markOption(result, current, False) if not current.result.isSet: current.result.arguments = [] return 1 return 0 def _postProcessOptions(self, result): current = None changeCount = 0 for i, group in enumerate(self._activeBindingGroups(0x3)): current = None for name, binding in group.items(): if current != None and (current.info == binding.info): continue current = binding changeCount += self._postProcessOption (result, current, False) return changeCount def _postProcessPositionalArguments(self, result): root = self._programInfo validPositionalArgumentCount = 0 if self._state.activeSubcommandIndex > 0: root = self._programInfo.subcommands[self._state.activeSubcommandIndex - 1] paInfoCount = len(root.positionalArguments) if (paInfoCount == 0) and (len(self._state.values) > 0): if self._state.activeSubcommandIndex > 0: result._appendMessage(Message.ERROR, 9, Message.ERROR_SUBCMD_POSARG, root.name) else: result._appendMessage(Message.ERROR, 8, Message.ERROR_PROGRAM_POSARG) return validPositionalArgumentCount paInfoIndex = 0 paNumber = 1 currentPaiValueCount = 0 processedValueCount = 0 paInfo = None for value in self._state.values: if paInfoIndex >= paInfoCount: break currentPaiValueCount += 1 processedValueCount += 1 paInfo = root.positionalArguments[paInfoIndex] if self._validatePositionalArgument(result, paInfo, paNumber, value): result._values.append(value); validPositionalArgumentCount += 1 else: pass """ @todo continue or abort ? """ if ((paInfo.maxArgumentCount > 0) and (currentPaiValueCount == paInfo.maxArgumentCount)): currentPaiValueCount = 0 paInfoIndex += 1 paNumber += 1 if (len(self._state.values) > processedValueCount): result._appendMessage(Message.ERROR, 10, Message.ERROR_TOOMANY_POSARG) elif (paInfoIndex < paInfoCount): """/** * @note not yet supported by schema */""" for i in range(paInfoIndex, paInfoCount): if (root.positionalArguments[i].positionalArgumentFlags & ItemInfo.REQUIRED): result._appendMessage(Message.ERROR, 7, Message.ERROR_REQUIRED_POSARG, i) _programInfo = None _state = None

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