def create_main_parser():
parser_kw = {
'usage': '\n%prog <command> [options]',
'add_help_option': False,
'formatter': UpdatingDefaultsHelpFormatter(),
'name': 'global',
'prog': get_prog(),
}
parser = ConfigOptionParser(**parser_kw)
parser.disable_interspersed_args()
pip_pkg_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
parser.version = 'pip %s from %s (python %s)' % (
__version__, pip_pkg_dir, sys.version[:3])
# add the general options
gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
parser.add_option_group(gen_opts)
parser.main = True # so the help formatter knows
# create command listing for description
command_summaries = get_summaries()
description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries]
parser.description = '\n'.join(description)
return parser
class Command(object):
name = None
usage = None
hidden = False
log_streams = ("ext://sys.stdout", "ext://sys.stderr")
def __init__(self, isolated=False):
parser_kw = {
'usage': self.usage,
'prog': '%s %s' % (get_prog(), self.name),
'formatter': UpdatingDefaultsHelpFormatter(),
'add_help_option': False,
'name': self.name,
'description': self.__doc__,
'isolated': isolated,
}
self.parser = ConfigOptionParser(**parser_kw)
# Commands should add options to this option group
optgroup_name = '%s Options' % self.name.capitalize()
self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
# Add the general options
gen_opts = cmdoptions.make_option_group(
cmdoptions.general_group,
self.parser,
)
self.parser.add_option_group(gen_opts)
def _build_session(self, options, retries=None, timeout=None):
session = PipSession(
cache=(normalize_path(os.path.join(options.cache_dir, "http"))
if options.cache_dir else None),
retries=retries if retries is not None else options.retries,
insecure_hosts=options.trusted_hosts,
)
# Handle custom ca-bundles from the user
if options.cert:
session.verify = options.cert
# Handle SSL client certificate
if options.client_cert:
session.cert = options.client_cert
# Handle timeouts
if options.timeout or timeout:
session.timeout = (timeout
if timeout is not None else options.timeout)
# Handle configured proxies
if options.proxy:
session.proxies = {
"http": options.proxy,
"https": options.proxy,
}
# Determine if we can prompt the user for authentication or not
session.auth.prompting = not options.no_input
return session
def parse_args(self, args):
# factored out for testability
return self.parser.parse_args(args)
def main(self, args):
options, args = self.parse_args(args)
if options.quiet:
if options.quiet == 1:
level = "WARNING"
if options.quiet == 2:
level = "ERROR"
else:
level = "CRITICAL"
elif options.verbose:
level = "DEBUG"
else:
level = "INFO"
# The root logger should match the "console" level *unless* we
# specified "--log" to send debug logs to a file.
root_level = level
if options.log:
root_level = "DEBUG"
logging_dictConfig({
"version":
1,
"disable_existing_loggers":
False,
"filters": {
"exclude_warnings": {
"()": "pip.utils.logging.MaxLevelFilter",
"level": logging.WARNING,
},
},
"formatters": {
"indent": {
"()": IndentingFormatter,
"format": "%(message)s",
},
},
"handlers": {
"console": {
"level": level,
"class": "pip.utils.logging.ColorizedStreamHandler",
"stream": self.log_streams[0],
"filters": ["exclude_warnings"],
"formatter": "indent",
},
"console_errors": {
"level": "WARNING",
"class": "pip.utils.logging.ColorizedStreamHandler",
"stream": self.log_streams[1],
"formatter": "indent",
},
"user_log": {
"level": "DEBUG",
"class": "pip.utils.logging.BetterRotatingFileHandler",
"filename": options.log or "/dev/null",
"delay": True,
"formatter": "indent",
},
},
"root": {
"level":
root_level,
"handlers":
list(
filter(None, [
"console",
"console_errors",
"user_log" if options.log else None,
])),
},
# Disable any logging besides WARNING unless we have DEBUG level
# logging enabled. These use both pip9._vendor and the bare names
# for the case where someone unbundles our libraries.
"loggers":
dict((
name,
{
"level": (
"WARNING" if level in ["INFO", "ERROR"] else "DEBUG"),
},
) for name in ["pip._vendor", "distlib", "requests", "urllib3"]),
})
if sys.version_info[:2] == (2, 6):
warnings.warn(
"Python 2.6 is no longer supported by the Python core team, "
"please upgrade your Python. A future version of pip will "
"drop support for Python 2.6",
deprecation.Python26DeprecationWarning)
# TODO: try to get these passing down from the command?
# without resorting to os.environ to hold these.
if options.no_input:
os.environ['PIP_NO_INPUT'] = '1'
if options.exists_action:
os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
if options.require_venv:
# If a venv is required check if it can really be found
if not running_under_virtualenv():
logger.critical(
'Could not find an activated virtualenv (required).')
sys.exit(VIRTUALENV_NOT_FOUND)
try:
status = self.run(options, args)
# FIXME: all commands should return an exit status
# and when it is done, isinstance is not needed anymore
if isinstance(status, int):
return status
except PreviousBuildDirError as exc:
logger.critical(str(exc))
logger.debug('Exception information:', exc_info=True)
return PREVIOUS_BUILD_DIR_ERROR
except (InstallationError, UninstallationError, BadCommand) as exc:
logger.critical(str(exc))
logger.debug('Exception information:', exc_info=True)
return ERROR
except CommandError as exc:
logger.critical('ERROR: %s', exc)
logger.debug('Exception information:', exc_info=True)
return ERROR
except KeyboardInterrupt:
logger.critical('Operation cancelled by user')
logger.debug('Exception information:', exc_info=True)
return ERROR
except:
logger.critical('Exception:', exc_info=True)
return UNKNOWN_ERROR
finally:
# Check if we're using the latest version of pip available
if (not options.disable_pip_version_check
and not getattr(options, "no_index", False)):
with self._build_session(options,
retries=0,
timeout=min(
5, options.timeout)) as session:
pip_version_check(session)
return SUCCESS