win32 platform

Lib/site-packages/pip/commands/download.py

@@ -0,0 +1,136 @@
+from __future__ import absolute_import
+
+import logging
+import os
+
+from pip.req import RequirementSet
+from pip.basecommand import RequirementCommand
+from pip import cmdoptions
+from pip.utils import ensure_dir, normalize_path
+from pip.utils.build import BuildDirectory
+from pip.utils.filesystem import check_path_owner
+
+
+logger = logging.getLogger(__name__)
+
+
+class DownloadCommand(RequirementCommand):
+    """
+    Download packages from:
+
+    - PyPI (and other indexes) using requirement specifiers.
+    - VCS project urls.
+    - Local project directories.
+    - Local or remote source archives.
+
+    pip also supports downloading from "requirements files", which provide
+    an easy way to specify a whole environment to be downloaded.
+    """
+    name = 'download'
+
+    usage = """
+      %prog [options] <requirement specifier> [package-index-options] ...
+      %prog [options] -r <requirements file> [package-index-options] ...
+      %prog [options] [-e] <vcs project url> ...
+      %prog [options] [-e] <local project path> ...
+      %prog [options] <archive url/path> ..."""
+
+    summary = 'Download packages.'
+
+    def __init__(self, *args, **kw):
+        super(DownloadCommand, self).__init__(*args, **kw)
+
+        cmd_opts = self.cmd_opts
+
+        cmd_opts.add_option(cmdoptions.constraints())
+        cmd_opts.add_option(cmdoptions.editable())
+        cmd_opts.add_option(cmdoptions.requirements())
+        cmd_opts.add_option(cmdoptions.build_dir())
+        cmd_opts.add_option(cmdoptions.no_deps())
+        cmd_opts.add_option(cmdoptions.global_options())
+        cmd_opts.add_option(cmdoptions.no_binary())
+        cmd_opts.add_option(cmdoptions.only_binary())
+        cmd_opts.add_option(cmdoptions.src())
+        cmd_opts.add_option(cmdoptions.pre())
+        cmd_opts.add_option(cmdoptions.no_clean())
+        cmd_opts.add_option(cmdoptions.require_hashes())
+
+        cmd_opts.add_option(
+            '-d', '--dest', '--destination-dir', '--destination-directory',
+            dest='download_dir',
+            metavar='dir',
+            default=os.curdir,
+            help=("Download packages into <dir>."),
+        )
+
+        index_opts = cmdoptions.make_option_group(
+            cmdoptions.non_deprecated_index_group,
+            self.parser,
+        )
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, cmd_opts)
+
+    def run(self, options, args):
+        options.ignore_installed = True
+        options.src_dir = os.path.abspath(options.src_dir)
+        options.download_dir = normalize_path(options.download_dir)
+
+        ensure_dir(options.download_dir)
+
+        with self._build_session(options) as session:
+
+            finder = self._build_package_finder(options, session)
+            build_delete = (not (options.no_clean or options.build_dir))
+            if options.cache_dir and not check_path_owner(options.cache_dir):
+                logger.warning(
+                    "The directory '%s' or its parent directory is not owned "
+                    "by the current user and caching wheels has been "
+                    "disabled. check the permissions and owner of that "
+                    "directory. If executing pip with sudo, you may want "
+                    "sudo's -H flag.",
+                    options.cache_dir,
+                )
+                options.cache_dir = None
+
+            with BuildDirectory(options.build_dir,
+                                delete=build_delete) as build_dir:
+
+                requirement_set = RequirementSet(
+                    build_dir=build_dir,
+                    src_dir=options.src_dir,
+                    download_dir=options.download_dir,
+                    ignore_installed=True,
+                    ignore_dependencies=options.ignore_dependencies,
+                    session=session,
+                    isolated=options.isolated_mode,
+                    require_hashes=options.require_hashes
+                )
+                self.populate_requirement_set(
+                    requirement_set,
+                    args,
+                    options,
+                    finder,
+                    session,
+                    self.name,
+                    None
+                )
+
+                if not requirement_set.has_requirements:
+                    return
+
+                requirement_set.prepare_files(finder)
+
+                downloaded = ' '.join([
+                    req.name for req in requirement_set.successfully_downloaded
+                ])
+                if downloaded:
+                    logger.info(
+                        'Successfully downloaded %s', downloaded
+                    )
+
+                # Clean up
+                if not options.no_clean:
+                    requirement_set.cleanup_files()
+
+        return requirement_set