def get_remote_url(cls, location):
     url = cls.run_command(
         ['showconfig', 'paths.default'],
         show_stdout=False, cwd=location).strip()
     if cls._is_local_repository(url):
         url = path_to_url(url)
     return url.strip()
Exemple #2
0
 def get_remote_url(cls, location):
     urls = cls.run_command(['info'], show_stdout=False, cwd=location)
     for line in urls.splitlines():
         line = line.strip()
         for x in ('checkout of branch: ', 'parent branch: '):
             if line.startswith(x):
                 repo = line.split(x)[1]
                 if cls._is_local_repository(repo):
                     return path_to_url(repo)
                 return repo
     return None
Exemple #3
0
    def __init__(self, url, comes_from=None, requires_python=None):
        # type: (str, Optional[Union[str, HTMLPage]], Optional[str]) -> None
        """
        url:
            url of the resource pointed to (href of the link)
        comes_from:
            instance of HTMLPage where the link was found, or string.
        requires_python:
            String containing the `Requires-Python` metadata field, specified
            in PEP 345. This may be specified by a data-requires-python
            attribute in the HTML link tag, as described in PEP 503.
        """

        # url can be a UNC windows share
        if url.startswith('\\\\'):
            url = path_to_url(url)

        self.url = url
        self.comes_from = comes_from
        self.requires_python = requires_python if requires_python else None

        super(Link, self).__init__(key=(self.url), defining_class=Link)
Exemple #4
0
 def sort_path(path):
     url = path_to_url(path)
     if mimetypes.guess_type(url, strict=False)[0] == 'text/html':
         urls.append(url)
     else:
         files.append(url)
Exemple #5
0
    def build(
            self,
            requirements,  # type: Iterable[InstallRequirement]
            session,  # type: PipSession
            autobuilding=False  # type: bool
    ):
        # type: (...) -> List[InstallRequirement]
        """Build wheels.

        :param unpack: If True, replace the sdist we built from with the
            newly built wheel, in preparation for installation.
        :return: True if all the wheels built correctly.
        """
        buildset = []
        format_control = self.finder.format_control
        # Whether a cache directory is available for autobuilding=True.
        cache_available = bool(self._wheel_dir or self.wheel_cache.cache_dir)

        for req in requirements:
            ephem_cache = should_use_ephemeral_cache(
                req,
                format_control=format_control,
                autobuilding=autobuilding,
                cache_available=cache_available,
            )
            if ephem_cache is None:
                continue

            buildset.append((req, ephem_cache))

        if not buildset:
            return []

        # Is any wheel build not using the ephemeral cache?
        if any(not ephem_cache for _, ephem_cache in buildset):
            have_directory_for_build = self._wheel_dir or (
                autobuilding and self.wheel_cache.cache_dir)
            assert have_directory_for_build

        # TODO by @pradyunsg
        # Should break up this method into 2 separate methods.

        # Build the wheels.
        logger.info(
            'Building wheels for collected packages: %s',
            ', '.join([req.name for (req, _) in buildset]),
        )
        _cache = self.wheel_cache  # shorter name
        with indent_log():
            build_success, build_failure = [], []
            for req, ephem in buildset:
                python_tag = None
                if autobuilding:
                    python_tag = pep425tags.implementation_tag
                    if ephem:
                        output_dir = _cache.get_ephem_path_for_link(req.link)
                    else:
                        output_dir = _cache.get_path_for_link(req.link)
                    try:
                        ensure_dir(output_dir)
                    except OSError as e:
                        logger.warning("Building wheel for %s failed: %s",
                                       req.name, e)
                        build_failure.append(req)
                        continue
                else:
                    output_dir = self._wheel_dir
                wheel_file = self._build_one(
                    req,
                    output_dir,
                    python_tag=python_tag,
                )
                if wheel_file:
                    build_success.append(req)
                    if autobuilding:
                        # XXX: This is mildly duplicative with prepare_files,
                        # but not close enough to pull out to a single common
                        # method.
                        # The code below assumes temporary source dirs -
                        # prevent it doing bad things.
                        if req.source_dir and not os.path.exists(
                                os.path.join(req.source_dir,
                                             PIP_DELETE_MARKER_FILENAME)):
                            raise AssertionError(
                                "bad source dir - missing marker")
                        # Delete the source we built the wheel from
                        req.remove_temporary_source()
                        # set the build directory again - name is known from
                        # the work prepare_files did.
                        req.source_dir = req.build_location(
                            self.preparer.build_dir)
                        # Update the link for this.
                        req.link = Link(path_to_url(wheel_file))
                        assert req.link.is_wheel
                        # extract the wheel into the dir
                        unpack_url(
                            req.link,
                            req.source_dir,
                            None,
                            False,
                            session=session,
                        )
                else:
                    build_failure.append(req)

        # notify success/failure
        if build_success:
            logger.info(
                'Successfully built %s',
                ' '.join([req.name for req in build_success]),
            )
        if build_failure:
            logger.info(
                'Failed to build %s',
                ' '.join([req.name for req in build_failure]),
            )
        # Return a list of requirements that failed to build
        return build_failure
def parse_editable(editable_req):
    # type: (str) -> Tuple[Optional[str], str, Optional[Set[str]]]
    """Parses an editable requirement into:
        - a requirement name
        - an URL
        - extras
        - editable options
    Accepted requirements:
        svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
        .[some_extra]
    """

    url = editable_req

    # If a file path is specified with extras, strip off the extras.
    url_no_extras, extras = _strip_extras(url)

    if os.path.isdir(url_no_extras):
        if not os.path.exists(os.path.join(url_no_extras, 'setup.py')):
            msg = ('File "setup.py" not found. Directory cannot be installed '
                   'in editable mode: {}'.format(
                       os.path.abspath(url_no_extras)))
            pyproject_path = make_pyproject_path(url_no_extras)
            if os.path.isfile(pyproject_path):
                msg += ('\n(A "pyproject.toml" file was found, but editable '
                        'mode currently requires a setup.py based build.)')
            raise InstallationError(msg)

        # Treating it as code that has already been checked out
        url_no_extras = path_to_url(url_no_extras)

    if url_no_extras.lower().startswith('file:'):
        package_name = Link(url_no_extras).egg_fragment
        if extras:
            return (
                package_name,
                url_no_extras,
                Requirement("placeholder" + extras.lower()).extras,
            )
        else:
            return package_name, url_no_extras, None

    for version_control in vcs:
        if url.lower().startswith('%s:' % version_control):
            url = '%s+%s' % (version_control, url)
            break

    if '+' not in url:
        raise InstallationError(
            '%s should either be a path to a local project or a VCS url '
            'beginning with svn+, git+, hg+, or bzr+' % editable_req)

    vc_type = url.split('+', 1)[0].lower()

    if not vcs.get_backend(vc_type):
        error_message = 'For --editable=%s only ' % editable_req + \
            ', '.join([backend.name + '+URL' for backend in vcs.backends]) + \
            ' is currently supported'
        raise InstallationError(error_message)

    package_name = Link(url).egg_fragment
    if not package_name:
        raise InstallationError(
            "Could not detect requirement name for '%s', please specify one "
            "with #egg=your_package_name" % editable_req)
    return package_name, url, None
def install_req_from_line(
        name,  # type: str
        comes_from=None,  # type: Optional[Union[str, InstallRequirement]]
        use_pep517=None,  # type: Optional[bool]
        isolated=False,  # type: bool
        options=None,  # type: Optional[Dict[str, Any]]
        wheel_cache=None,  # type: Optional[WheelCache]
        constraint=False  # type: bool
):
    # type: (...) -> InstallRequirement
    """Creates an InstallRequirement from a name, which might be a
    requirement, directory containing 'setup.py', filename, or URL.
    """
    if is_url(name):
        marker_sep = '; '
    else:
        marker_sep = ';'
    if marker_sep in name:
        name, markers_as_string = name.split(marker_sep, 1)
        markers_as_string = markers_as_string.strip()
        if not markers_as_string:
            markers = None
        else:
            markers = Marker(markers_as_string)
    else:
        markers = None
    name = name.strip()
    req_as_string = None
    path = os.path.normpath(os.path.abspath(name))
    link = None
    extras_as_string = None

    if is_url(name):
        link = Link(name)
    else:
        p, extras_as_string = _strip_extras(path)
        looks_like_dir = os.path.isdir(p) and (os.path.sep in name or
                                               (os.path.altsep is not None
                                                and os.path.altsep in name)
                                               or name.startswith('.'))
        if looks_like_dir:
            if not is_installable_dir(p):
                raise InstallationError(
                    "Directory %r is not installable. Neither 'setup.py' "
                    "nor 'pyproject.toml' found." % name)
            link = Link(path_to_url(p))
        elif is_archive_file(p):
            if not os.path.isfile(p):
                logger.warning(
                    'Requirement %r looks like a filename, but the '
                    'file does not exist', name)
            link = Link(path_to_url(p))

    # it's a local file, dir, or url
    if link:
        # Handle relative file URLs
        if link.scheme == 'file' and re.search(r'\.\./', link.url):
            link = Link(
                path_to_url(os.path.normpath(os.path.abspath(link.path))))
        # wheel file
        if link.is_wheel:
            wheel = Wheel(link.filename)  # can raise InvalidWheelFilename
            req_as_string = "%s==%s" % (wheel.name, wheel.version)
        else:
            # set the req to the egg fragment.  when it's not there, this
            # will become an 'unnamed' requirement
            req_as_string = link.egg_fragment

    # a requirement specifier
    else:
        req_as_string = name

    if extras_as_string:
        extras = Requirement("placeholder" + extras_as_string.lower()).extras
    else:
        extras = ()
    if req_as_string is not None:
        try:
            req = Requirement(req_as_string)
        except InvalidRequirement:
            if os.path.sep in req_as_string:
                add_msg = "It looks like a path."
                add_msg += deduce_helpful_msg(req_as_string)
            elif ('=' in req_as_string
                  and not any(op in req_as_string for op in operators)):
                add_msg = "= is not a valid operator. Did you mean == ?"
            else:
                add_msg = ""
            raise InstallationError("Invalid requirement: '%s'\n%s" %
                                    (req_as_string, add_msg))
    else:
        req = None

    return InstallRequirement(
        req,
        comes_from,
        link=link,
        markers=markers,
        use_pep517=use_pep517,
        isolated=isolated,
        options=options if options else {},
        wheel_cache=wheel_cache,
        constraint=constraint,
        extras=extras,
    )
Exemple #8
0
    def _link_for_candidate(self, link, candidate):
        # type: (Link, str) -> Link
        root = self.get_path_for_link(link)
        path = os.path.join(root, candidate)

        return Link(path_to_url(path))