#!/usr/bin/env python import os import optparse import sys import re from pip.exceptions import InstallationError, CommandError, PipError from pip.log import logger from pip.util import get_installed_distributions, get_prog from pip.vcs import git, mercurial, subversion, bazaar # noqa from pip.baseparser import create_main_parser from pip.commands import commands, get_similar_commands, get_summaries # The version as used in the setup.py and the docs conf.py __version__ = "1.4.1" def autocomplete(): """Command and option completion for the main option parser (and options) and its subcommands (and options). Enable by sourcing one of the completion shell scripts (bash or zsh). """ # Don't complete if user hasn't sourced bash_completion file. if 'PIP_AUTO_COMPLETE' not in os.environ: return cwords = os.environ['COMP_WORDS'].split()[1:] cword = int(os.environ['COMP_CWORD']) try: current = cwords[cword - 1] except IndexError: current = '' subcommands = [cmd for cmd, summary in get_summaries()] options = [] # subcommand try: subcommand_name = [w for w in cwords if w in subcommands][0] except IndexError: subcommand_name = None parser = create_main_parser() # subcommand options if subcommand_name: # special case: 'help' subcommand has no options if subcommand_name == 'help': sys.exit(1) # special case: list locally installed dists for uninstall command if subcommand_name == 'uninstall' and not current.startswith('-'): installed = [] lc = current.lower() for dist in get_installed_distributions(local_only=True): if dist.key.startswith(lc) and dist.key not in cwords[1:]: installed.append(dist.key) # if there are no dists installed, fall back to option completion if installed: for dist in installed: print(dist) sys.exit(1) subcommand = commands[subcommand_name](parser) options += [(opt.get_opt_string(), opt.nargs) for opt in subcommand.parser.option_list_all if opt.help != optparse.SUPPRESS_HELP] # filter out previously specified options from available options prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]] options = [(x, v) for (x, v) in options if x not in prev_opts] # filter options by current input options = [(k, v) for k, v in options if k.startswith(current)] for option in options: opt_label = option[0] # append '=' to options which require args if option[1]: opt_label += '=' print(opt_label) else: # show main parser options only when necessary if current.startswith('-') or current.startswith('--'): opts = [i.option_list for i in parser.option_groups] opts.append(parser.option_list) opts = (o for it in opts for o in it) subcommands += [i.get_opt_string() for i in opts if i.help != optparse.SUPPRESS_HELP] print(' '.join([x for x in subcommands if x.startswith(current)])) sys.exit(1) def parseopts(args): parser = create_main_parser() parser.main = True # so the help formatter knows # create command listing command_summaries = get_summaries() description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries] parser.description = '\n'.join(description) options, args = parser.parse_args(args) if options.version: sys.stdout.write(parser.version) sys.stdout.write(os.linesep) sys.exit() # pip || pip help || pip --help -> print_help() if not args or (args[0] == 'help' and len(args) == 1): parser.print_help() sys.exit() if not args: msg = ('You must give a command ' '(use "pip --help" to see a list of commands)') raise CommandError(msg) command = args[0].lower() if command not in commands: guess = get_similar_commands(command) msg = ['unknown command "%s"' % command] if guess: msg.append('maybe you meant "%s"' % guess) raise CommandError(' - '.join(msg)) return command, options, args, parser def main(initial_args=None): if initial_args is None: initial_args = sys.argv[1:] autocomplete() try: cmd_name, options, args, parser = parseopts(initial_args) except PipError: e = sys.exc_info()[1] sys.stderr.write("ERROR: %s" % e) sys.stderr.write(os.linesep) sys.exit(1) command = commands[cmd_name](parser) # see baseparser.Command return command.main(args[1:], options) def bootstrap(): """ Bootstrapping function to be called from install-pip.py script. """ return main(['install', '--upgrade', 'pip'] + sys.argv[1:]) ############################################################ ## Writing freeze files class FrozenRequirement(object): def __init__(self, name, req, editable, comments=()): self.name = name self.req = req self.editable = editable self.comments = comments _rev_re = re.compile(r'-r(\d+)$') _date_re = re.compile(r'-(20\d\d\d\d\d\d)$') @classmethod def from_dist(cls, dist, dependency_links, find_tags=False): location = os.path.normcase(os.path.abspath(dist.location)) comments = [] from pip.vcs import vcs, get_src_requirement if vcs.get_backend_name(location): editable = True try: req = get_src_requirement(dist, location, find_tags) except InstallationError: ex = sys.exc_info()[1] logger.warn("Error when trying to get requirement for VCS system %s, falling back to uneditable format" % ex) req = None if req is None: logger.warn('Could not determine repository location of %s' % location) comments.append('## !! Could not determine repository location') req = dist.as_requirement() editable = False else: editable = False req = dist.as_requirement() specs = req.specs assert len(specs) == 1 and specs[0][0] == '==' version = specs[0][1] ver_match = cls._rev_re.search(version) date_match = cls._date_re.search(version) if ver_match or date_match: svn_backend = vcs.get_backend('svn') if svn_backend: svn_location = svn_backend( ).get_location(dist, dependency_links) if not svn_location: logger.warn( 'Warning: cannot find svn location for %s' % req) comments.append('## FIXME: could not find svn URL in dependency_links for this package:') else: comments.append('# Installing as editable to satisfy requirement %s:' % req) if ver_match: rev = ver_match.group(1) else: rev = '{%s}' % date_match.group(1) editable = True req = '%s@%s#egg=%s' % (svn_location, rev, cls.egg_name(dist)) return cls(dist.project_name, req, editable, comments) @staticmethod def egg_name(dist): name = dist.egg_name() match = re.search(r'-py\d\.\d$', name) if match: name = name[:match.start()] return name def __str__(self): req = self.req if self.editable: req = '-e %s' % req return '\n'.join(list(self.comments) + [str(req)]) + '\n' if __name__ == '__main__': exit = main() if exit: sys.exit(exit)