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# Source Generated with Decompyle++ # File: in.pyc (Python 2.5) '''distutils.dist Provides the Distribution class, which represents the module distribution being built/installed/distributed. ''' __revision__ = '$Id: dist.py 38697 2005-03-23 18:54:36Z loewis $' import sys import os import string import re from types import * from copy import copy try: import warnings except ImportError: warnings = None from distutils.errors import * from distutils.fancy_getopt import FancyGetopt, translate_longopt from distutils.util import check_environ, strtobool, rfc822_escape from distutils import log from distutils.debug import DEBUG command_re = re.compile('^[a-zA-Z]([a-zA-Z0-9_]*)$') class Distribution: """The core of the Distutils. Most of the work hiding behind 'setup' is really done within a Distribution instance, which farms the work out to the Distutils commands specified on the command line. Setup scripts will almost never instantiate Distribution directly, unless the 'setup()' function is totally inadequate to their needs. However, it is conceivable that a setup script might wish to subclass Distribution for some specialized purpose, and then pass the subclass to 'setup()' as the 'distclass' keyword argument. If so, it is necessary to respect the expectations that 'setup' has of Distribution. See the code for 'setup()', in core.py, for details. """ global_options = [ ('verbose', 'v', 'run verbosely (default)', 1), ('quiet', 'q', 'run quietly (turns verbosity off)'), ('dry-run', 'n', "don't actually do anything"), ('help', 'h', 'show detailed help message')] common_usage = "Common commands: (see '--help-commands' for more)\n\n setup.py build will build the package underneath 'build/'\n setup.py install will install the package\n" display_options = [ ('help-commands', None, 'list all available commands'), ('name', None, 'print package name'), ('version', 'V', 'print package version'), ('fullname', None, 'print <package name>-<version>'), ('author', None, "print the author's name"), ('author-email', None, "print the author's email address"), ('maintainer', None, "print the maintainer's name"), ('maintainer-email', None, "print the maintainer's email address"), ('contact', None, "print the maintainer's name if known, else the author's"), ('contact-email', None, "print the maintainer's email address if known, else the author's"), ('url', None, 'print the URL for this package'), ('license', None, 'print the license of the package'), ('licence', None, 'alias for --license'), ('description', None, 'print the package description'), ('long-description', None, 'print the long package description'), ('platforms', None, 'print the list of platforms'), ('classifiers', None, 'print the list of classifiers'), ('keywords', None, 'print the list of keywords'), ('provides', None, 'print the list of packages/modules provided'), ('requires', None, 'print the list of packages/modules required'), ('obsoletes', None, 'print the list of packages/modules made obsolete')] display_option_names = map((lambda x: translate_longopt(x[0])), display_options) negative_opt = { 'quiet': 'verbose' } def __init__(self, attrs = None): '''Construct a new Distribution instance: initialize all the attributes of a Distribution, and then use \'attrs\' (a dictionary mapping attribute names to values) to assign some of those attributes their "real" values. (Any attributes not mentioned in \'attrs\' will be assigned to some null value: 0, None, an empty list or dictionary, etc.) Most importantly, initialize the \'command_obj\' attribute to the empty dictionary; this will be filled in with real command objects by \'parse_command_line()\'. ''' self.verbose = 1 self.dry_run = 0 self.help = 0 for attr in self.display_option_names: setattr(self, attr, 0) self.metadata = DistributionMetadata() for basename in self.metadata._METHOD_BASENAMES: method_name = 'get_' + basename setattr(self, method_name, getattr(self.metadata, method_name)) self.cmdclass = { } self.command_packages = None self.script_name = None self.script_args = None self.command_options = { } self.dist_files = [] self.packages = None self.package_data = { } self.package_dir = None self.py_modules = None self.libraries = None self.headers = None self.ext_modules = None self.ext_package = None self.include_dirs = None self.extra_path = None self.scripts = None self.data_files = None self.command_obj = { } self.have_run = { } if attrs: options = attrs.get('options') if options: del attrs['options'] for command, cmd_options in options.items(): opt_dict = self.get_option_dict(command) for opt, val in cmd_options.items(): opt_dict[opt] = ('setup script', val) if attrs.has_key('licence'): attrs['license'] = attrs['licence'] del attrs['licence'] msg = "'licence' distribution option is deprecated; use 'license'" if warnings is not None: warnings.warn(msg) else: sys.stderr.write(msg + '\n') for key, val in attrs.items(): if hasattr(self.metadata, 'set_' + key): getattr(self.metadata, 'set_' + key)(val) continue if hasattr(self.metadata, key): setattr(self.metadata, key, val) continue if hasattr(self, key): setattr(self, key, val) continue msg = 'Unknown distribution option: %s' % repr(key) if warnings is not None: warnings.warn(msg) continue sys.stderr.write(msg + '\n') self.finalize_options() def get_option_dict(self, command): """Get the option dictionary for a given command. If that command's option dictionary hasn't been created yet, then create it and return the new dictionary; otherwise, return the existing option dictionary. """ dict = self.command_options.get(command) if dict is None: dict = self.command_options[command] = { } return dict def dump_option_dicts(self, header = None, commands = None, indent = ''): pformat = pformat import pprint if commands is None: commands = self.command_options.keys() commands.sort() if header is not None: print indent + header indent = indent + ' ' if not commands: print indent + 'no commands known yet' return None for cmd_name in commands: opt_dict = self.command_options.get(cmd_name) if opt_dict is None: print indent + "no option dict for '%s' command" % cmd_name continue print indent + "option dict for '%s' command:" % cmd_name out = pformat(opt_dict) for line in string.split(out, '\n'): print indent + ' ' + line def find_config_files(self): """Find as many configuration files as should be processed for this platform, and return a list of filenames in the order in which they should be parsed. The filenames returned are guaranteed to exist (modulo nasty race conditions). There are three possible config files: distutils.cfg in the Distutils installation directory (ie. where the top-level Distutils __inst__.py file lives), a file in the user's home directory named .pydistutils.cfg on Unix and pydistutils.cfg on Windows/Mac, and setup.cfg in the current directory. """ files = [] check_environ() sys_dir = os.path.dirname(sys.modules['distutils'].__file__) sys_file = os.path.join(sys_dir, 'distutils.cfg') if os.path.isfile(sys_file): files.append(sys_file) if os.name == 'posix': user_filename = '.pydistutils.cfg' else: user_filename = 'pydistutils.cfg' if os.environ.has_key('HOME'): user_file = os.path.join(os.environ.get('HOME'), user_filename) if os.path.isfile(user_file): files.append(user_file) local_file = 'setup.cfg' if os.path.isfile(local_file): files.append(local_file) return files def parse_config_files(self, filenames = None): ConfigParser = ConfigParser import ConfigParser if filenames is None: filenames = self.find_config_files() if DEBUG: print 'Distribution.parse_config_files():' parser = ConfigParser() for filename in filenames: if DEBUG: print ' reading', filename parser.read(filename) for section in parser.sections(): options = parser.options(section) opt_dict = self.get_option_dict(section) for opt in options: if opt != '__name__': val = parser.get(section, opt) opt = string.replace(opt, '-', '_') opt_dict[opt] = (filename, val) continue parser.__init__() def parse_command_line(self): '''Parse the setup script\'s command line, taken from the \'script_args\' instance attribute (which defaults to \'sys.argv[1:]\' -- see \'setup()\' in core.py). This list is first processed for "global options" -- options that set attributes of the Distribution instance. Then, it is alternately scanned for Distutils commands and options for that command. Each new command terminates the options for the previous command. The allowed options for a command are determined by the \'user_options\' attribute of the command class -- thus, we have to be able to load command classes in order to parse the command line. Any error in that \'options\' attribute raises DistutilsGetoptError; any error on the command-line raises DistutilsArgError. If no Distutils commands were found on the command line, raises DistutilsArgError. Return true if command-line was successfully parsed and we should carry on with executing commands; false if no errors but we shouldn\'t execute commands (currently, this only happens if user asks for help). ''' toplevel_options = self._get_toplevel_options() if sys.platform == 'mac': import EasyDialogs cmdlist = self.get_command_list() self.script_args = EasyDialogs.GetArgv(toplevel_options + self.display_options, cmdlist) self.commands = [] parser = FancyGetopt(toplevel_options + self.display_options) parser.set_negative_aliases(self.negative_opt) parser.set_aliases({ 'licence': 'license' }) args = parser.getopt(args = self.script_args, object = self) option_order = parser.get_option_order() log.set_verbosity(self.verbose) if self.handle_display_options(option_order): return None while args: args = self._parse_command_opts(parser, args) if args is None: return None continue if self.help: self._show_help(parser, display_options = len(self.commands) == 0, commands = self.commands) return None if not self.commands: raise DistutilsArgError, 'no commands supplied' return 1 def _get_toplevel_options(self): '''Return the non-display options recognized at the top level. This includes options that are recognized *only* at the top level as well as options recognized for commands. ''' return self.global_options + [ ('command-packages=', None, 'list of packages that provide distutils commands')] def _parse_command_opts(self, parser, args): """Parse the command-line options for a single command. 'parser' must be a FancyGetopt instance; 'args' must be the list of arguments, starting with the current command (whose options we are about to parse). Returns a new version of 'args' with the next command at the front of the list; will be the empty list if there are no more commands on the command line. Returns None if the user asked for help on this command. """ Command = Command import distutils.cmd command = args[0] if not command_re.match(command): raise SystemExit, "invalid command name '%s'" % command self.commands.append(command) try: cmd_class = self.get_command_class(command) except DistutilsModuleError: msg = None raise DistutilsArgError, msg if not issubclass(cmd_class, Command): raise DistutilsClassError, 'command class %s must subclass Command' % cmd_class if not hasattr(cmd_class, 'user_options') and type(cmd_class.user_options) is ListType: raise DistutilsClassError, ('command class %s must provide ' + "'user_options' attribute (a list of tuples)") % cmd_class negative_opt = self.negative_opt if hasattr(cmd_class, 'negative_opt'): negative_opt = copy(negative_opt) negative_opt.update(cmd_class.negative_opt) if hasattr(cmd_class, 'help_options') and type(cmd_class.help_options) is ListType: help_options = fix_help_options(cmd_class.help_options) else: help_options = [] parser.set_option_table(self.global_options + cmd_class.user_options + help_options) parser.set_negative_aliases(negative_opt) (args, opts) = parser.getopt(args[1:]) if hasattr(opts, 'help') and opts.help: self._show_help(parser, display_options = 0, commands = [ cmd_class]) return None if hasattr(cmd_class, 'help_options') and type(cmd_class.help_options) is ListType: help_option_found = 0 for help_option, short, desc, func in cmd_class.help_options: if hasattr(opts, parser.get_attr_name(help_option)): help_option_found = 1 if callable(func): func() else: raise DistutilsClassError("invalid help function %r for help option '%s': must be a callable object (function, etc.)" % (func, help_option)) callable(func) if help_option_found: return None opt_dict = self.get_option_dict(command) for name, value in vars(opts).items(): opt_dict[name] = ('command line', value) return args def finalize_options(self): '''Set final values for all the options on the Distribution instance, analogous to the .finalize_options() method of Command objects. ''' keywords = self.metadata.keywords if keywords is not None: if type(keywords) is StringType: keywordlist = string.split(keywords, ',') self.metadata.keywords = map(string.strip, keywordlist) platforms = self.metadata.platforms if platforms is not None: if type(platforms) is StringType: platformlist = string.split(platforms, ',') self.metadata.platforms = map(string.strip, platformlist) def _show_help(self, parser, global_options = 1, display_options = 1, commands = []): '''Show help for the setup script command-line in the form of several lists of command-line options. \'parser\' should be a FancyGetopt instance; do not expect it to be returned in the same state, as its option table will be reset to make it generate the correct help text. If \'global_options\' is true, lists the global options: --verbose, --dry-run, etc. If \'display_options\' is true, lists the "display-only" options: --name, --version, etc. Finally, lists per-command help for every command name or command class in \'commands\'. ''' gen_usage = gen_usage import distutils.core Command = Command import distutils.cmd if global_options: if display_options: options = self._get_toplevel_options() else: options = self.global_options parser.set_option_table(options) parser.print_help(self.common_usage + '\nGlobal options:') print if display_options: parser.set_option_table(self.display_options) parser.print_help('Information display options (just display ' + 'information, ignore any commands)') print for command in self.commands: if type(command) is ClassType and issubclass(command, Command): klass = command else: klass = self.get_command_class(command) if hasattr(klass, 'help_options') and type(klass.help_options) is ListType: parser.set_option_table(klass.user_options + fix_help_options(klass.help_options)) else: parser.set_option_table(klass.user_options) parser.print_help("Options for '%s' command:" % klass.__name__) print print gen_usage(self.script_name) def handle_display_options(self, option_order): '''If there were any non-global "display-only" options (--help-commands or the metadata display options) on the command line, display the requested info and return true; else return false. ''' gen_usage = gen_usage import distutils.core if self.help_commands: self.print_commands() print print gen_usage(self.script_name) return 1 any_display_options = 0 is_display_option = { } for option in self.display_options: is_display_option[option[0]] = 1 for opt, val in option_order: if val and is_display_option.get(opt): opt = translate_longopt(opt) value = getattr(self.metadata, 'get_' + opt)() if opt in ('keywords', 'platforms'): print string.join(value, ',') elif opt in ('classifiers', 'provides', 'requires', 'obsoletes'): print string.join(value, '\n') else: print value any_display_options = 1 continue return any_display_options def print_command_list(self, commands, header, max_length): """Print a subset of the list of all commands -- used by 'print_commands()'. """ print header + ':' for cmd in commands: klass = self.cmdclass.get(cmd) if not klass: klass = self.get_command_class(cmd) try: description = klass.description except AttributeError: description = '(no description available)' print ' %-*s %s' % (max_length, cmd, description) def print_commands(self): '''Print out a help message listing all available commands with a description of each. The list is divided into "standard commands" (listed in distutils.command.__all__) and "extra commands" (mentioned in self.cmdclass, but not a standard command). The descriptions come from the command class attribute \'description\'. ''' import distutils.command as distutils std_commands = distutils.command.__all__ is_std = { } for cmd in std_commands: is_std[cmd] = 1 extra_commands = [] for cmd in self.cmdclass.keys(): if not is_std.get(cmd): extra_commands.append(cmd) continue max_length = 0 for cmd in std_commands + extra_commands: if len(cmd) > max_length: max_length = len(cmd) continue self.print_command_list(std_commands, 'Standard commands', max_length) if extra_commands: print self.print_command_list(extra_commands, 'Extra commands', max_length) def get_command_list(self): '''Get a list of (command, description) tuples. The list is divided into "standard commands" (listed in distutils.command.__all__) and "extra commands" (mentioned in self.cmdclass, but not a standard command). The descriptions come from the command class attribute \'description\'. ''' import distutils.command as distutils std_commands = distutils.command.__all__ is_std = { } for cmd in std_commands: is_std[cmd] = 1 extra_commands = [] for cmd in self.cmdclass.keys(): if not is_std.get(cmd): extra_commands.append(cmd) continue rv = [] for cmd in std_commands + extra_commands: klass = self.cmdclass.get(cmd) if not klass: klass = self.get_command_class(cmd) try: description = klass.description except AttributeError: description = '(no description available)' rv.append((cmd, description)) return rv def get_command_packages(self): '''Return a list of packages from which commands are loaded.''' pkgs = self.command_packages if not isinstance(pkgs, type([])): if not pkgs: pass pkgs = string.split('', ',') for i in range(len(pkgs)): pkgs[i] = string.strip(pkgs[i]) pkgs = filter(None, pkgs) if 'distutils.command' not in pkgs: pkgs.insert(0, 'distutils.command') self.command_packages = pkgs return pkgs def get_command_class(self, command): '''Return the class that implements the Distutils command named by \'command\'. First we check the \'cmdclass\' dictionary; if the command is mentioned there, we fetch the class object from the dictionary and return it. Otherwise we load the command module ("distutils.command." + command) and fetch the command class from the module. The loaded class is also stored in \'cmdclass\' to speed future calls to \'get_command_class()\'. Raises DistutilsModuleError if the expected module could not be found, or if that module does not define the expected class. ''' klass = self.cmdclass.get(command) if klass: return klass for pkgname in self.get_command_packages(): module_name = '%s.%s' % (pkgname, command) klass_name = command try: __import__(module_name) module = sys.modules[module_name] except ImportError: continue try: klass = getattr(module, klass_name) except AttributeError: raise DistutilsModuleError, "invalid command '%s' (no class '%s' in module '%s')" % (command, klass_name, module_name) self.cmdclass[command] = klass return klass raise DistutilsModuleError("invalid command '%s'" % command) def get_command_obj(self, command, create = 1): """Return the command object for 'command'. Normally this object is cached on a previous call to 'get_command_obj()'; if no command object for 'command' is in the cache, then we either create and return it (if 'create' is true) or return None. """ cmd_obj = self.command_obj.get(command) if not cmd_obj and create: if DEBUG: print "Distribution.get_command_obj(): creating '%s' command object" % command klass = self.get_command_class(command) cmd_obj = self.command_obj[command] = klass(self) self.have_run[command] = 0 options = self.command_options.get(command) if options: self._set_command_options(cmd_obj, options) return cmd_obj def _set_command_options(self, command_obj, option_dict = None): """Set the options for 'command_obj' from 'option_dict'. Basically this means copying elements of a dictionary ('option_dict') to attributes of an instance ('command'). 'command_obj' must be a Command instance. If 'option_dict' is not supplied, uses the standard option dictionary for this command (from 'self.command_options'). """ command_name = command_obj.get_command_name() if option_dict is None: option_dict = self.get_option_dict(command_name) if DEBUG: print " setting options for '%s' command:" % command_name for source, value in option_dict.items(): try: bool_opts = map(translate_longopt, command_obj.boolean_options) except AttributeError: None if DEBUG else None None if DEBUG else None bool_opts = [] except: None if DEBUG else None try: neg_opt = command_obj.negative_opt except AttributeError: None if DEBUG else None None if DEBUG else None neg_opt = { } except: None if DEBUG else None try: is_string = type(value) is StringType if neg_opt.has_key(option) and is_string: setattr(command_obj, neg_opt[option], not strtobool(value)) elif option in bool_opts and is_string: setattr(command_obj, option, strtobool(value)) elif hasattr(command_obj, option): setattr(command_obj, option, value) else: raise DistutilsOptionError, "error in %s: command '%s' has no such option '%s'" % (source, command_name, option) continue except ValueError: None if DEBUG else None msg = None if DEBUG else None raise DistutilsOptionError, msg continue def reinitialize_command(self, command, reinit_subcommands = 0): '''Reinitializes a command to the state it was in when first returned by \'get_command_obj()\': ie., initialized but not yet finalized. This provides the opportunity to sneak option values in programmatically, overriding or supplementing user-supplied values from the config files and command line. You\'ll have to re-finalize the command object (by calling \'finalize_options()\' or \'ensure_finalized()\') before using it for real. \'command\' should be a command name (string) or command object. If \'reinit_subcommands\' is true, also reinitializes the command\'s sub-commands, as declared by the \'sub_commands\' class attribute (if it has one). See the "install" command for an example. Only reinitializes the sub-commands that actually matter, ie. those whose test predicates return true. Returns the reinitialized command object. ''' Command = Command import distutils.cmd if not isinstance(command, Command): command_name = command command = self.get_command_obj(command_name) else: command_name = command.get_command_name() if not command.finalized: return command command.initialize_options() command.finalized = 0 self.have_run[command_name] = 0 self._set_command_options(command) if reinit_subcommands: for sub in command.get_sub_commands(): self.reinitialize_command(sub, reinit_subcommands) return command def announce(self, msg, level = 1): log.debug(msg) def run_commands(self): """Run each command that was seen on the setup script command line. Uses the list of commands found and cache of command objects created by 'get_command_obj()'. """ for cmd in self.commands: self.run_command(cmd) def run_command(self, command): """Do whatever it takes to run a command (including nothing at all, if the command has already been run). Specifically: if we have already created and run the command named by 'command', return silently without doing anything. If the command named by 'command' doesn't even have a command object yet, create one. Then invoke 'run()' on that command object (or an existing one). """ if self.have_run.get(command): return None log.info('running %s', command) cmd_obj = self.get_command_obj(command) cmd_obj.ensure_finalized() cmd_obj.run() self.have_run[command] = 1 def has_pure_modules(self): if not self.packages and self.py_modules: pass return len([]) > 0 def has_ext_modules(self): if self.ext_modules: pass return len(self.ext_modules) > 0 def has_c_libraries(self): if self.libraries: pass return len(self.libraries) > 0 def has_modules(self): if not self.has_pure_modules(): pass return self.has_ext_modules() def has_headers(self): if self.headers: pass return len(self.headers) > 0 def has_scripts(self): if self.scripts: pass return len(self.scripts) > 0 def has_data_files(self): if self.data_files: pass return len(self.data_files) > 0 def is_pure(self): if self.has_pure_modules() and not self.has_ext_modules(): pass return not self.has_c_libraries() class DistributionMetadata: '''Dummy class to hold the distribution meta-data: name, version, author, and so forth. ''' _METHOD_BASENAMES = ('name', 'version', 'author', 'author_email', 'maintainer', 'maintainer_email', 'url', 'license', 'description', 'long_description', 'keywords', 'platforms', 'fullname', 'contact', 'contact_email', 'license', 'classifiers', 'download_url', 'provides', 'requires', 'obsoletes') def __init__(self): self.name = None self.version = None self.author = None self.author_email = None self.maintainer = None self.maintainer_email = None self.url = None self.license = None self.description = None self.long_description = None self.keywords = None self.platforms = None self.classifiers = None self.download_url = None self.provides = None self.requires = None self.obsoletes = None def write_pkg_info(self, base_dir): '''Write the PKG-INFO file into the release tree. ''' pkg_info = open(os.path.join(base_dir, 'PKG-INFO'), 'w') self.write_pkg_file(pkg_info) pkg_info.close() def write_pkg_file(self, file): '''Write the PKG-INFO format data to a file object. ''' version = '1.0' if self.provides and self.requires or self.obsoletes: version = '1.1' file.write('Metadata-Version: %s\n' % version) file.write('Name: %s\n' % self.get_name()) file.write('Version: %s\n' % self.get_version()) file.write('Summary: %s\n' % self.get_description()) file.write('Home-page: %s\n' % self.get_url()) file.write('Author: %s\n' % self.get_contact()) file.write('Author-email: %s\n' % self.get_contact_email()) file.write('License: %s\n' % self.get_license()) if self.download_url: file.write('Download-URL: %s\n' % self.download_url) long_desc = rfc822_escape(self.get_long_description()) file.write('Description: %s\n' % long_desc) keywords = string.join(self.get_keywords(), ',') if keywords: file.write('Keywords: %s\n' % keywords) self._write_list(file, 'Platform', self.get_platforms()) self._write_list(file, 'Classifier', self.get_classifiers()) self._write_list(file, 'Requires', self.get_requires()) self._write_list(file, 'Provides', self.get_provides()) self._write_list(file, 'Obsoletes', self.get_obsoletes()) def _write_list(self, file, name, values): for value in values: file.write('%s: %s\n' % (name, value)) def get_name(self): if not self.name: pass return 'UNKNOWN' def get_version(self): if not self.version: pass return '0.0.0' def get_fullname(self): return '%s-%s' % (self.get_name(), self.get_version()) def get_author(self): if not self.author: pass return 'UNKNOWN' def get_author_email(self): if not self.author_email: pass return 'UNKNOWN' def get_maintainer(self): if not self.maintainer: pass return 'UNKNOWN' def get_maintainer_email(self): if not self.maintainer_email: pass return 'UNKNOWN' def get_contact(self): if not self.maintainer and self.author: pass return 'UNKNOWN' def get_contact_email(self): if not self.maintainer_email and self.author_email: pass return 'UNKNOWN' def get_url(self): if not self.url: pass return 'UNKNOWN' def get_license(self): if not self.license: pass return 'UNKNOWN' get_licence = get_license def get_description(self): if not self.description: pass return 'UNKNOWN' def get_long_description(self): if not self.long_description: pass return 'UNKNOWN' def get_keywords(self): if not self.keywords: pass return [] def get_platforms(self): if not self.platforms: pass return [ 'UNKNOWN'] def get_classifiers(self): if not self.classifiers: pass return [] def get_download_url(self): if not self.download_url: pass return 'UNKNOWN' def get_requires(self): if not self.requires: pass return [] def set_requires(self, value): import distutils.versionpredicate as distutils for v in value: distutils.versionpredicate.VersionPredicate(v) self.requires = value def get_provides(self): if not self.provides: pass return [] def set_provides(self, value): value = [ v.strip() for v in value ] for v in value: import distutils.versionpredicate as distutils distutils.versionpredicate.split_provision(v) self.provides = value def get_obsoletes(self): if not self.obsoletes: pass return [] def set_obsoletes(self, value): import distutils.versionpredicate as distutils for v in value: distutils.versionpredicate.VersionPredicate(v) self.obsoletes = value def fix_help_options(options): """Convert a 4-tuple 'help_options' list as found in various command classes to the 3-tuple form required by FancyGetopt. """ new_options = [] for help_tuple in options: new_options.append(help_tuple[0:3]) return new_options if __name__ == '__main__': dist = Distribution() print 'ok' 
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