capybara/virtualenv/lib/python2.7/site-packages/pip/req/req_install.py
def _correct_build_location(self):
        """Move self._temp_build_dir to self._ideal_build_dir/self.req.name

        For some requirements (e.g. a path to a directory), the name of the
        package is not available until we run egg_info, so the build_location
        will return a temporary directory and store the _ideal_build_dir.

        This is only called by self.egg_info_path to fix the temporary build
        directory.
        """
        if self.source_dir is not None:
            return
        assert self.req is not None
        assert self._temp_build_dir
        assert self._ideal_build_dir
        old_location = self._temp_build_dir
        self._temp_build_dir = None
        new_location = self.build_location(self._ideal_build_dir)
        if os.path.exists(new_location):
            raise InstallationError(
                'A package already exists in %s; please remove it to continue'
                % display_path(new_location))
        logger.debug(
            'Moving package %s from %s to new location %s',
            self, display_path(old_location), display_path(new_location),
        )
        shutil.move(old_location, new_location)
        self._temp_build_dir = new_location
        self._ideal_build_dir = None
        self.source_dir = new_location
        self._egg_info_path = None
def _correct_build_location(self):
        """Move self._temp_build_dir to self._ideal_build_dir/self.req.name

        For some requirements (e.g. a path to a directory), the name of the
        package is not available until we run egg_info, so the build_location
        will return a temporary directory and store the _ideal_build_dir.

        This is only called by self.egg_info_path to fix the temporary build
        directory.
        """
        if self.source_dir is not None:
            return
        assert self.req is not None
        assert self._temp_build_dir
        assert self._ideal_build_dir
        old_location = self._temp_build_dir
        self._temp_build_dir = None
        new_location = self.build_location(self._ideal_build_dir)
        if os.path.exists(new_location):
            raise InstallationError(
                'A package already exists in %s; please remove it to continue'
                % display_path(new_location))
        logger.debug(
            'Moving package %s from %s to new location %s',
            self, display_path(old_location), display_path(new_location),
        )
        shutil.move(old_location, new_location)
        self._temp_build_dir = new_location
        self._ideal_build_dir = None
        self.source_dir = new_location
        self._egg_info_path = None
def _correct_build_location ( self ) : if self . source_dir is not None : return assert self . req is not None assert self . _temp_build_dir assert self . _ideal_build_dir old_location = self . _temp_build_dir self . _temp_build_dir = None new_location = self . build_location ( self . _ideal_build_dir ) if os . path . exists ( new_location ) : raise InstallationError ( 'A package already exists in %s; please remove it to continue' % display_path ( new_location ) ) logger . debug ( 'Moving package %s from %s to new location %s' , self , display_path ( old_location ) , display_path ( new_location ) , ) shutil . move ( old_location , new_location ) self . _temp_build_dir = new_location self . _ideal_build_dir = None self . source_dir = new_location self . _egg_info_path = None
Move self._temp_build_dir to self._ideal_build_dir/self.req.name

        For some requirements (e.g. a path to a directory), the name of the
        package is not available until we run egg_info, so the build_location
        will return a temporary directory and store the _ideal_build_dir.

        This is only called by self.egg_info_path to fix the temporary build
        directory.
Move self . _temp_build_dir to self . _ideal_build_dir / self . req . name