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# The following comment should be removed at some point in the future. # mypy: disallow-untyped-defs=False from __future__ import absolute_import import logging import os import re from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import ( display_path, is_console_interactive, rmtree, split_auth_from_netloc, ) from pip._internal.utils.subprocess import make_command from pip._internal.utils.typing import MYPY_CHECK_RUNNING from pip._internal.vcs.versioncontrol import VersionControl, vcs _svn_xml_url_re = re.compile('url="([^"]+)"') _svn_rev_re = re.compile(r'committed-rev="(\d+)"') _svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"') _svn_info_xml_url_re = re.compile(r'<url>(.*)</url>') if MYPY_CHECK_RUNNING: from typing import Optional, Tuple from pip._internal.utils.subprocess import CommandArgs from pip._internal.utils.misc import HiddenText from pip._internal.vcs.versioncontrol import AuthInfo, RevOptions logger = logging.getLogger(__name__) class Subversion(VersionControl): name = 'svn' dirname = '.svn' repo_name = 'checkout' schemes = ('svn', 'svn+ssh', 'svn+http', 'svn+https', 'svn+svn') @classmethod def should_add_vcs_url_prefix(cls, remote_url): return True @staticmethod def get_base_rev_args(rev): return ['-r', rev] @classmethod def get_revision(cls, location): """ Return the maximum revision for all files under a given location """ # Note: taken from setuptools.command.egg_info revision = 0 for base, dirs, files in os.walk(location): if cls.dirname not in dirs: dirs[:] = [] continue # no sense walking uncontrolled subdirs dirs.remove(cls.dirname) entries_fn = os.path.join(base, cls.dirname, 'entries') if not os.path.exists(entries_fn): # FIXME: should we warn? continue dirurl, localrev = cls._get_svn_url_rev(base) if base == location: base = dirurl + '/' # save the root url elif not dirurl or not dirurl.startswith(base): dirs[:] = [] continue # not part of the same svn tree, skip it revision = max(revision, localrev) return revision @classmethod def get_netloc_and_auth(cls, netloc, scheme): """ This override allows the auth information to be passed to svn via the --username and --password options instead of via the URL. """ if scheme == 'ssh': # The --username and --password options can't be used for # svn+ssh URLs, so keep the auth information in the URL. return super(Subversion, cls).get_netloc_and_auth(netloc, scheme) return split_auth_from_netloc(netloc) @classmethod def get_url_rev_and_auth(cls, url): # type: (str) -> Tuple[str, Optional[str], AuthInfo] # hotfix the URL scheme after removing svn+ from svn+ssh:// readd it url, rev, user_pass = super(Subversion, cls).get_url_rev_and_auth(url) if url.startswith('ssh://'): url = 'svn+' + url return url, rev, user_pass @staticmethod def make_rev_args(username, password): # type: (Optional[str], Optional[HiddenText]) -> CommandArgs extra_args = [] # type: CommandArgs if username: extra_args += ['--username', username] if password: extra_args += ['--password', password] return extra_args @classmethod def get_remote_url(cls, location): # In cases where the source is in a subdirectory, not alongside # setup.py we have to look up in the location until we find a real # setup.py orig_location = location while not os.path.exists(os.path.join(location, 'setup.py')): last_location = location location = os.path.dirname(location) if location == last_location: # We've traversed up to the root of the filesystem without # finding setup.py logger.warning( "Could not find setup.py for directory %s (tried all " "parent directories)", orig_location, ) return None return cls._get_svn_url_rev(location)[0] @classmethod def _get_svn_url_rev(cls, location): from pip._internal.exceptions import InstallationError entries_path = os.path.join(location, cls.dirname, 'entries') if os.path.exists(entries_path): with open(entries_path) as f: data = f.read() else: # subversion >= 1.7 does not have the 'entries' file data = '' if (data.startswith('8') or data.startswith('9') or data.startswith('10')): data = list(map(str.splitlines, data.split('\n\x0c\n'))) del data[0][0] # get rid of the '8' url = data[0][3] revs = [int(d[9]) for d in data if len(d) > 9 and d[9]] + [0] elif data.startswith('<?xml'): match = _svn_xml_url_re.search(data) if not match: raise ValueError('Badly formatted data: %r' % data) url = match.group(1) # get repository URL revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0] else: try: # subversion >= 1.7 # Note that using get_remote_call_options is not necessary here # because `svn info` is being run against a local directory. # We don't need to worry about making sure interactive mode # is being used to prompt for passwords, because passwords # are only potentially needed for remote server requests. xml = cls.run_command( ['info', '--xml', location], show_stdout=False, ) url = _svn_info_xml_url_re.search(xml).group(1) revs = [ int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml) ] except InstallationError: url, revs = None, [] if revs: rev = max(revs) else: rev = 0 return url, rev @classmethod def is_commit_id_equal(cls, dest, name): """Always assume the versions don't match""" return False def __init__(self, use_interactive=None): # type: (bool) -> None if use_interactive is None: use_interactive = is_console_interactive() self.use_interactive = use_interactive # This member is used to cache the fetched version of the current # ``svn`` client. # Special value definitions: # None: Not evaluated yet. # Empty tuple: Could not parse version. self._vcs_version = None # type: Optional[Tuple[int, ...]] super(Subversion, self).__init__() def call_vcs_version(self): # type: () -> Tuple[int, ...] """Query the version of the currently installed Subversion client. :return: A tuple containing the parts of the version information or ``()`` if the version returned from ``svn`` could not be parsed. :raises: BadCommand: If ``svn`` is not installed. """ # Example versions: # svn, version 1.10.3 (r1842928) # compiled Feb 25 2019, 14:20:39 on x86_64-apple-darwin17.0.0 # svn, version 1.7.14 (r1542130) # compiled Mar 28 2018, 08:49:13 on x86_64-pc-linux-gnu version_prefix = 'svn, version ' version = self.run_command(['--version'], show_stdout=False) if not version.startswith(version_prefix): return () version = version[len(version_prefix):].split()[0] version_list = version.split('.') try: parsed_version = tuple(map(int, version_list)) except ValueError: return () return parsed_version def get_vcs_version(self): # type: () -> Tuple[int, ...] """Return the version of the currently installed Subversion client. If the version of the Subversion client has already been queried, a cached value will be used. :return: A tuple containing the parts of the version information or ``()`` if the version returned from ``svn`` could not be parsed. :raises: BadCommand: If ``svn`` is not installed. """ if self._vcs_version is not None: # Use cached version, if available. # If parsing the version failed previously (empty tuple), # do not attempt to parse it again. return self._vcs_version vcs_version = self.call_vcs_version() self._vcs_version = vcs_version return vcs_version def get_remote_call_options(self): # type: () -> CommandArgs """Return options to be used on calls to Subversion that contact the server. These options are applicable for the following ``svn`` subcommands used in this class. - checkout - export - switch - update :return: A list of command line arguments to pass to ``svn``. """ if not self.use_interactive: # --non-interactive switch is available since Subversion 0.14.4. # Subversion < 1.8 runs in interactive mode by default. return ['--non-interactive'] svn_version = self.get_vcs_version() # By default, Subversion >= 1.8 runs in non-interactive mode if # stdin is not a TTY. Since that is how pip invokes SVN, in # call_subprocess(), pip must pass --force-interactive to ensure # the user can be prompted for a password, if required. # SVN added the --force-interactive option in SVN 1.8. Since # e.g. RHEL/CentOS 7, which is supported until 2024, ships with # SVN 1.7, pip should continue to support SVN 1.7. Therefore, pip # can't safely add the option if the SVN version is < 1.8 (or unknown). if svn_version >= (1, 8): return ['--force-interactive'] return [] def export(self, location, url): # type: (str, HiddenText) -> None """Export the svn repository at the url to the destination location""" url, rev_options = self.get_url_rev_options(url) logger.info('Exporting svn repository %s to %s', url, location) with indent_log(): if os.path.exists(location): # Subversion doesn't like to check out over an existing # directory --force fixes this, but was only added in svn 1.5 rmtree(location) cmd_args = make_command( 'export', self.get_remote_call_options(), rev_options.to_args(), url, location, ) self.run_command(cmd_args, show_stdout=False) def fetch_new(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None rev_display = rev_options.to_display() logger.info( 'Checking out %s%s to %s', url, rev_display, display_path(dest), ) cmd_args = make_command( 'checkout', '-q', self.get_remote_call_options(), rev_options.to_args(), url, dest, ) self.run_command(cmd_args) def switch(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None cmd_args = make_command( 'switch', self.get_remote_call_options(), rev_options.to_args(), url, dest, ) self.run_command(cmd_args) def update(self, dest, url, rev_options): # type: (str, HiddenText, RevOptions) -> None cmd_args = make_command( 'update', self.get_remote_call_options(), rev_options.to_args(), dest, ) self.run_command(cmd_args) vcs.register(Subversion)