split platform

lib/python3.5/site-packages/pip/commands/freeze.py

@@ -0,0 +1,71 @@
+from __future__ import absolute_import
+
+import sys
+
+import pip
+from pip.basecommand import Command
+from pip.operations.freeze import freeze
+from pip.wheel import WheelCache
+
+
+class FreezeCommand(Command):
+    """
+    Output installed packages in requirements format.
+
+    packages are listed in a case-insensitive sorted order.
+    """
+    name = 'freeze'
+    usage = """
+      %prog [options]"""
+    summary = 'Output installed packages in requirements format.'
+    log_streams = ("ext://sys.stderr", "ext://sys.stderr")
+
+    def __init__(self, *args, **kw):
+        super(FreezeCommand, self).__init__(*args, **kw)
+
+        self.cmd_opts.add_option(
+            '-r', '--requirement',
+            dest='requirement',
+            action='store',
+            default=None,
+            metavar='file',
+            help="Use the order in the given requirements file and its "
+                 "comments when generating output.")
+        self.cmd_opts.add_option(
+            '-f', '--find-links',
+            dest='find_links',
+            action='append',
+            default=[],
+            metavar='URL',
+            help='URL for finding packages, which will be added to the '
+                 'output.')
+        self.cmd_opts.add_option(
+            '-l', '--local',
+            dest='local',
+            action='store_true',
+            default=False,
+            help='If in a virtualenv that has global access, do not output '
+                 'globally-installed packages.')
+        self.cmd_opts.add_option(
+            '--user',
+            dest='user',
+            action='store_true',
+            default=False,
+            help='Only output packages installed in user-site.')
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options, args):
+        format_control = pip.index.FormatControl(set(), set())
+        wheel_cache = WheelCache(options.cache_dir, format_control)
+        freeze_kwargs = dict(
+            requirement=options.requirement,
+            find_links=options.find_links,
+            local_only=options.local,
+            user_only=options.user,
+            skip_regex=options.skip_requirements_regex,
+            isolated=options.isolated_mode,
+            wheel_cache=wheel_cache)
+
+        for line in freeze(**freeze_kwargs):
+            sys.stdout.write(line + '\n')