330 lines
12 KiB
Python
330 lines
12 KiB
Python
import logging
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import os
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import re
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from typing import List, Optional, Tuple
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from pip._internal.utils.misc import (
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HiddenText,
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display_path,
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is_console_interactive,
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is_installable_dir,
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split_auth_from_netloc,
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)
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from pip._internal.utils.subprocess import CommandArgs, make_command
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from pip._internal.vcs.versioncontrol import (
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AuthInfo,
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RemoteNotFoundError,
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RevOptions,
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VersionControl,
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vcs,
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)
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logger = logging.getLogger(__name__)
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_svn_xml_url_re = re.compile('url="([^"]+)"')
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_svn_rev_re = re.compile(r'committed-rev="(\d+)"')
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_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"')
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_svn_info_xml_url_re = re.compile(r'<url>(.*)</url>')
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class Subversion(VersionControl):
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name = 'svn'
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dirname = '.svn'
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repo_name = 'checkout'
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schemes = (
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'svn+ssh', 'svn+http', 'svn+https', 'svn+svn', 'svn+file'
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)
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@classmethod
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def should_add_vcs_url_prefix(cls, remote_url):
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# type: (str) -> bool
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return True
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@staticmethod
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def get_base_rev_args(rev):
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# type: (str) -> List[str]
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return ['-r', rev]
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@classmethod
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def get_revision(cls, location):
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# type: (str) -> str
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"""
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Return the maximum revision for all files under a given location
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"""
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# Note: taken from setuptools.command.egg_info
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revision = 0
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for base, dirs, _ in os.walk(location):
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if cls.dirname not in dirs:
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dirs[:] = []
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continue # no sense walking uncontrolled subdirs
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dirs.remove(cls.dirname)
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entries_fn = os.path.join(base, cls.dirname, 'entries')
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if not os.path.exists(entries_fn):
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# FIXME: should we warn?
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continue
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dirurl, localrev = cls._get_svn_url_rev(base)
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if base == location:
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assert dirurl is not None
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base = dirurl + '/' # save the root url
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elif not dirurl or not dirurl.startswith(base):
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dirs[:] = []
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continue # not part of the same svn tree, skip it
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revision = max(revision, localrev)
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return str(revision)
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@classmethod
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def get_netloc_and_auth(cls, netloc, scheme):
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# type: (str, str) -> Tuple[str, Tuple[Optional[str], Optional[str]]]
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"""
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This override allows the auth information to be passed to svn via the
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--username and --password options instead of via the URL.
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"""
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if scheme == 'ssh':
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# The --username and --password options can't be used for
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# svn+ssh URLs, so keep the auth information in the URL.
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return super().get_netloc_and_auth(netloc, scheme)
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return split_auth_from_netloc(netloc)
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@classmethod
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def get_url_rev_and_auth(cls, url):
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# type: (str) -> Tuple[str, Optional[str], AuthInfo]
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# hotfix the URL scheme after removing svn+ from svn+ssh:// readd it
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url, rev, user_pass = super().get_url_rev_and_auth(url)
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if url.startswith('ssh://'):
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url = 'svn+' + url
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return url, rev, user_pass
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@staticmethod
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def make_rev_args(username, password):
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# type: (Optional[str], Optional[HiddenText]) -> CommandArgs
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extra_args = [] # type: CommandArgs
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if username:
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extra_args += ['--username', username]
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if password:
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extra_args += ['--password', password]
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return extra_args
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@classmethod
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def get_remote_url(cls, location):
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# type: (str) -> str
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# In cases where the source is in a subdirectory, we have to look up in
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# the location until we find a valid project root.
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orig_location = location
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while not is_installable_dir(location):
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last_location = location
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location = os.path.dirname(location)
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if location == last_location:
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# We've traversed up to the root of the filesystem without
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# finding a Python project.
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logger.warning(
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"Could not find Python project for directory %s (tried all "
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"parent directories)",
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orig_location,
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)
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raise RemoteNotFoundError
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url, _rev = cls._get_svn_url_rev(location)
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if url is None:
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raise RemoteNotFoundError
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return url
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@classmethod
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def _get_svn_url_rev(cls, location):
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# type: (str) -> Tuple[Optional[str], int]
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from pip._internal.exceptions import InstallationError
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entries_path = os.path.join(location, cls.dirname, 'entries')
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if os.path.exists(entries_path):
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with open(entries_path) as f:
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data = f.read()
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else: # subversion >= 1.7 does not have the 'entries' file
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data = ''
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url = None
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if (data.startswith('8') or
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data.startswith('9') or
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data.startswith('10')):
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entries = list(map(str.splitlines, data.split('\n\x0c\n')))
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del entries[0][0] # get rid of the '8'
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url = entries[0][3]
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revs = [int(d[9]) for d in entries if len(d) > 9 and d[9]] + [0]
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elif data.startswith('<?xml'):
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match = _svn_xml_url_re.search(data)
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if not match:
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raise ValueError(f'Badly formatted data: {data!r}')
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url = match.group(1) # get repository URL
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revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0]
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else:
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try:
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# subversion >= 1.7
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# Note that using get_remote_call_options is not necessary here
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# because `svn info` is being run against a local directory.
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# We don't need to worry about making sure interactive mode
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# is being used to prompt for passwords, because passwords
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# are only potentially needed for remote server requests.
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xml = cls.run_command(
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['info', '--xml', location],
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show_stdout=False,
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stdout_only=True,
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)
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match = _svn_info_xml_url_re.search(xml)
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assert match is not None
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url = match.group(1)
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revs = [
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int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)
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]
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except InstallationError:
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url, revs = None, []
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if revs:
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rev = max(revs)
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else:
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rev = 0
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return url, rev
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@classmethod
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def is_commit_id_equal(cls, dest, name):
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# type: (str, Optional[str]) -> bool
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"""Always assume the versions don't match"""
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return False
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def __init__(self, use_interactive=None):
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# type: (bool) -> None
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if use_interactive is None:
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use_interactive = is_console_interactive()
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self.use_interactive = use_interactive
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# This member is used to cache the fetched version of the current
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# ``svn`` client.
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# Special value definitions:
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# None: Not evaluated yet.
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# Empty tuple: Could not parse version.
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self._vcs_version = None # type: Optional[Tuple[int, ...]]
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super().__init__()
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def call_vcs_version(self):
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# type: () -> Tuple[int, ...]
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"""Query the version of the currently installed Subversion client.
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:return: A tuple containing the parts of the version information or
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``()`` if the version returned from ``svn`` could not be parsed.
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:raises: BadCommand: If ``svn`` is not installed.
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"""
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# Example versions:
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# svn, version 1.10.3 (r1842928)
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# compiled Feb 25 2019, 14:20:39 on x86_64-apple-darwin17.0.0
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# svn, version 1.7.14 (r1542130)
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# compiled Mar 28 2018, 08:49:13 on x86_64-pc-linux-gnu
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# svn, version 1.12.0-SlikSvn (SlikSvn/1.12.0)
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# compiled May 28 2019, 13:44:56 on x86_64-microsoft-windows6.2
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version_prefix = 'svn, version '
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version = self.run_command(
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['--version'], show_stdout=False, stdout_only=True
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)
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if not version.startswith(version_prefix):
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return ()
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version = version[len(version_prefix):].split()[0]
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version_list = version.partition('-')[0].split('.')
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try:
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parsed_version = tuple(map(int, version_list))
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except ValueError:
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return ()
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return parsed_version
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def get_vcs_version(self):
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# type: () -> Tuple[int, ...]
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"""Return the version of the currently installed Subversion client.
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If the version of the Subversion client has already been queried,
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a cached value will be used.
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:return: A tuple containing the parts of the version information or
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``()`` if the version returned from ``svn`` could not be parsed.
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:raises: BadCommand: If ``svn`` is not installed.
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"""
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if self._vcs_version is not None:
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# Use cached version, if available.
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# If parsing the version failed previously (empty tuple),
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# do not attempt to parse it again.
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return self._vcs_version
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vcs_version = self.call_vcs_version()
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self._vcs_version = vcs_version
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return vcs_version
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def get_remote_call_options(self):
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# type: () -> CommandArgs
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"""Return options to be used on calls to Subversion that contact the server.
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These options are applicable for the following ``svn`` subcommands used
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in this class.
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- checkout
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- switch
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- update
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:return: A list of command line arguments to pass to ``svn``.
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"""
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if not self.use_interactive:
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# --non-interactive switch is available since Subversion 0.14.4.
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# Subversion < 1.8 runs in interactive mode by default.
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return ['--non-interactive']
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svn_version = self.get_vcs_version()
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# By default, Subversion >= 1.8 runs in non-interactive mode if
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# stdin is not a TTY. Since that is how pip invokes SVN, in
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# call_subprocess(), pip must pass --force-interactive to ensure
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# the user can be prompted for a password, if required.
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# SVN added the --force-interactive option in SVN 1.8. Since
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# e.g. RHEL/CentOS 7, which is supported until 2024, ships with
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# SVN 1.7, pip should continue to support SVN 1.7. Therefore, pip
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# can't safely add the option if the SVN version is < 1.8 (or unknown).
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if svn_version >= (1, 8):
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return ['--force-interactive']
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return []
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def fetch_new(self, dest, url, rev_options):
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# type: (str, HiddenText, RevOptions) -> None
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rev_display = rev_options.to_display()
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logger.info(
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'Checking out %s%s to %s',
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url,
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rev_display,
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display_path(dest),
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)
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cmd_args = make_command(
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'checkout', '-q', self.get_remote_call_options(),
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rev_options.to_args(), url, dest,
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)
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self.run_command(cmd_args)
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def switch(self, dest, url, rev_options):
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# type: (str, HiddenText, RevOptions) -> None
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cmd_args = make_command(
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'switch', self.get_remote_call_options(), rev_options.to_args(),
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url, dest,
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)
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self.run_command(cmd_args)
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def update(self, dest, url, rev_options):
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# type: (str, HiddenText, RevOptions) -> None
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cmd_args = make_command(
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'update', self.get_remote_call_options(), rev_options.to_args(),
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dest,
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)
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self.run_command(cmd_args)
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vcs.register(Subversion)
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