environment/lib/python2.7/site-packages/distribute-0.6.31-py2.7.egg/setuptools/package_index.py
def fetch_distribution(self,
        requirement, tmpdir, force_scan=False, source=False, develop_ok=False,
        local_index=None
    ):
        """Obtain a distribution suitable for fulfilling `requirement`

        `requirement` must be a ``pkg_resources.Requirement`` instance.
        If necessary, or if the `force_scan` flag is set, the requirement is
        searched for in the (online) package index as well as the locally
        installed packages.  If a distribution matching `requirement` is found,
        the returned distribution's ``location`` is the value you would have
        gotten from calling the ``download()`` method with the matching
        distribution's URL or filename.  If no matching distribution is found,
        ``None`` is returned.

        If the `source` flag is set, only source distributions and source
        checkout links will be considered.  Unless the `develop_ok` flag is
        set, development and system eggs (i.e., those using the ``.egg-info``
        format) will be ignored.
        """

        # process a Requirement
        self.info("Searching for %s", requirement)
        skipped = {}
        dist = None

        def find(req, env=None):
            if env is None:
                env = self
            # Find a matching distribution; may be called more than once

            for dist in env[req.key]:

                if dist.precedence==DEVELOP_DIST and not develop_ok:
                    if dist not in skipped:
                        self.warn("Skipping development or system egg: %s",dist)
                        skipped[dist] = 1
                    continue

                if dist in req and (dist.precedence<=SOURCE_DIST or not source):
                    self.info("Best match: %s", dist)
                    return dist.clone(
                        location=self.download(dist.location, tmpdir)
                    )

        if force_scan:
            self.prescan()
            self.find_packages(requirement)
            dist = find(requirement)

        if local_index is not None:
            dist = dist or find(requirement, local_index)

        if dist is None and self.to_scan is not None:
            self.prescan()
            dist = find(requirement)

        if dist is None and not force_scan:
            self.find_packages(requirement)
            dist = find(requirement)

        if dist is None:
            self.warn(
                "No local packages or download links found for %s%s",
                (source and "a source distribution of " or ""),
                requirement,
            )
        return dist
def fetch_distribution(self,
        requirement, tmpdir, force_scan=False, source=False, develop_ok=False,
        local_index=None
    ):
        """Obtain a distribution suitable for fulfilling `requirement`

        `requirement` must be a ``pkg_resources.Requirement`` instance.
        If necessary, or if the `force_scan` flag is set, the requirement is
        searched for in the (online) package index as well as the locally
        installed packages.  If a distribution matching `requirement` is found,
        the returned distribution's ``location`` is the value you would have
        gotten from calling the ``download()`` method with the matching
        distribution's URL or filename.  If no matching distribution is found,
        ``None`` is returned.

        If the `source` flag is set, only source distributions and source
        checkout links will be considered.  Unless the `develop_ok` flag is
        set, development and system eggs (i.e., those using the ``.egg-info``
        format) will be ignored.
        """

        # process a Requirement
        self.info("Searching for %s", requirement)
        skipped = {}
        dist = None

        def find(req, env=None):
            if env is None:
                env = self
            # Find a matching distribution; may be called more than once

            for dist in env[req.key]:

                if dist.precedence==DEVELOP_DIST and not develop_ok:
                    if dist not in skipped:
                        self.warn("Skipping development or system egg: %s",dist)
                        skipped[dist] = 1
                    continue

                if dist in req and (dist.precedence<=SOURCE_DIST or not source):
                    self.info("Best match: %s", dist)
                    return dist.clone(
                        location=self.download(dist.location, tmpdir)
                    )

        if force_scan:
            self.prescan()
            self.find_packages(requirement)
            dist = find(requirement)

        if local_index is not None:
            dist = dist or find(requirement, local_index)

        if dist is None and self.to_scan is not None:
            self.prescan()
            dist = find(requirement)

        if dist is None and not force_scan:
            self.find_packages(requirement)
            dist = find(requirement)

        if dist is None:
            self.warn(
                "No local packages or download links found for %s%s",
                (source and "a source distribution of " or ""),
                requirement,
            )
        return dist
Obtain a distribution suitable for fulfilling `requirement`

        `requirement` must be a ``pkg_resources.Requirement`` instance.
        If necessary, or if the `force_scan` flag is set, the requirement is
        searched for in the (online) package index as well as the locally
        installed packages.  If a distribution matching `requirement` is found,
        the returned distribution's ``location`` is the value you would have
        gotten from calling the ``download()`` method with the matching
        distribution's URL or filename.  If no matching distribution is found,
        ``None`` is returned.

        If the `source` flag is set, only source distributions and source
        checkout links will be considered.  Unless the `develop_ok` flag is
        set, development and system eggs (i.e., those using the ``.egg-info``
        format) will be ignored.