diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/pip/_internal/vcs/subversion.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/pip/_internal/vcs/subversion.py | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pip/_internal/vcs/subversion.py b/.venv/lib/python3.12/site-packages/pip/_internal/vcs/subversion.py new file mode 100644 index 00000000..f359266d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pip/_internal/vcs/subversion.py @@ -0,0 +1,324 @@ +import logging +import os +import re +from typing import List, Optional, Tuple + +from pip._internal.utils.misc import ( + HiddenText, + display_path, + is_console_interactive, + is_installable_dir, + split_auth_from_netloc, +) +from pip._internal.utils.subprocess import CommandArgs, make_command +from pip._internal.vcs.versioncontrol import ( + AuthInfo, + RemoteNotFoundError, + RevOptions, + VersionControl, + vcs, +) + +logger = logging.getLogger(__name__) + +_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>") + + +class Subversion(VersionControl): + name = "svn" + dirname = ".svn" + repo_name = "checkout" + schemes = ("svn+ssh", "svn+http", "svn+https", "svn+svn", "svn+file") + + @classmethod + def should_add_vcs_url_prefix(cls, remote_url: str) -> bool: + return True + + @staticmethod + def get_base_rev_args(rev: str) -> List[str]: + return ["-r", rev] + + @classmethod + def get_revision(cls, location: str) -> str: + """ + Return the maximum revision for all files under a given location + """ + # Note: taken from setuptools.command.egg_info + revision = 0 + + for base, dirs, _ 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: + assert dirurl is not None + 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 str(revision) + + @classmethod + def get_netloc_and_auth( + cls, netloc: str, scheme: str + ) -> Tuple[str, Tuple[Optional[str], Optional[str]]]: + """ + 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().get_netloc_and_auth(netloc, scheme) + + return split_auth_from_netloc(netloc) + + @classmethod + def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]: + # hotfix the URL scheme after removing svn+ from svn+ssh:// re-add it + url, rev, user_pass = super().get_url_rev_and_auth(url) + if url.startswith("ssh://"): + url = "svn+" + url + return url, rev, user_pass + + @staticmethod + def make_rev_args( + username: Optional[str], password: Optional[HiddenText] + ) -> CommandArgs: + extra_args: CommandArgs = [] + if username: + extra_args += ["--username", username] + if password: + extra_args += ["--password", password] + + return extra_args + + @classmethod + def get_remote_url(cls, location: str) -> str: + # In cases where the source is in a subdirectory, we have to look up in + # the location until we find a valid project root. + orig_location = location + while not is_installable_dir(location): + last_location = location + location = os.path.dirname(location) + if location == last_location: + # We've traversed up to the root of the filesystem without + # finding a Python project. + logger.warning( + "Could not find Python project for directory %s (tried all " + "parent directories)", + orig_location, + ) + raise RemoteNotFoundError + + url, _rev = cls._get_svn_url_rev(location) + if url is None: + raise RemoteNotFoundError + + return url + + @classmethod + def _get_svn_url_rev(cls, location: str) -> Tuple[Optional[str], int]: + 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 = "" + + url = None + if data.startswith("8") or data.startswith("9") or data.startswith("10"): + entries = list(map(str.splitlines, data.split("\n\x0c\n"))) + del entries[0][0] # get rid of the '8' + url = entries[0][3] + revs = [int(d[9]) for d in entries if len(d) > 9 and d[9]] + [0] + elif data.startswith("<?xml"): + match = _svn_xml_url_re.search(data) + if not match: + raise ValueError(f"Badly formatted data: {data!r}") + 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, + stdout_only=True, + ) + match = _svn_info_xml_url_re.search(xml) + assert match is not None + url = match.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: str, name: Optional[str]) -> bool: + """Always assume the versions don't match""" + return False + + def __init__(self, use_interactive: Optional[bool] = None) -> 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: Optional[Tuple[int, ...]] = None + + super().__init__() + + def call_vcs_version(self) -> 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 + # svn, version 1.12.0-SlikSvn (SlikSvn/1.12.0) + # compiled May 28 2019, 13:44:56 on x86_64-microsoft-windows6.2 + version_prefix = "svn, version " + version = self.run_command(["--version"], show_stdout=False, stdout_only=True) + if not version.startswith(version_prefix): + return () + + version = version[len(version_prefix) :].split()[0] + version_list = version.partition("-")[0].split(".") + try: + parsed_version = tuple(map(int, version_list)) + except ValueError: + return () + + return parsed_version + + def get_vcs_version(self) -> 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) -> 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 + - 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 fetch_new( + self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int + ) -> None: + rev_display = rev_options.to_display() + logger.info( + "Checking out %s%s to %s", + url, + rev_display, + display_path(dest), + ) + if verbosity <= 0: + flags = ["--quiet"] + else: + flags = [] + cmd_args = make_command( + "checkout", + *flags, + self.get_remote_call_options(), + rev_options.to_args(), + url, + dest, + ) + self.run_command(cmd_args) + + def switch(self, dest: str, url: HiddenText, rev_options: 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: str, url: HiddenText, rev_options: 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) |