@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 notin dirs:
dirs[:] = [] continue# no sense walking uncontrolled subdirs
dirs.remove(cls.dirname)
entries_fn = os.path.join(base, cls.dirname, "entries") ifnot os.path.exists(entries_fn): # FIXME: should we warn? continue
dirurl, localrev = cls._get_svn_url_rev(base)
if base == location: assert dirurl isnotNone
base = dirurl + "/"# save the root url elifnot dirurl ornot 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
@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 whilenot 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 isNone: raise RemoteNotFoundError
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("):
match = _svn_xml_url_re.search(data) ifnot 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 isnotNone
url = match.group(1)
revs = [int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)] except InstallationError:
url, revs = None, []
# 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`` isnot 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) ifnot version.startswith(version_prefix): return ()
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`` isnot installed. """ if self._vcs_version isnotNone: # Use cached version, if available. # If parsing the version failed previously (empty tuple), # do not attempt to parse it again. return self._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``. """ ifnot 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:
flag = "--quiet" else:
flag = ""
cmd_args = make_command( "checkout",
flag,
self.get_remote_call_options(),
rev_options.to_args(),
url,
dest,
)
self.run_command(cmd_args)
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