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comparison lib/python3.8/site-packages/pip/_internal/commands/download.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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-1:000000000000 0:9e54283cc701
1 # The following comment should be removed at some point in the future.
2 # mypy: disallow-untyped-defs=False
3
4 from __future__ import absolute_import
5
6 import logging
7 import os
8
9 from pip._internal.cli import cmdoptions
10 from pip._internal.cli.cmdoptions import make_target_python
11 from pip._internal.cli.req_command import RequirementCommand
12 from pip._internal.req import RequirementSet
13 from pip._internal.req.req_tracker import get_requirement_tracker
14 from pip._internal.utils.misc import ensure_dir, normalize_path, write_output
15 from pip._internal.utils.temp_dir import TempDirectory
16
17 logger = logging.getLogger(__name__)
18
19
20 class DownloadCommand(RequirementCommand):
21 """
22 Download packages from:
23
24 - PyPI (and other indexes) using requirement specifiers.
25 - VCS project urls.
26 - Local project directories.
27 - Local or remote source archives.
28
29 pip also supports downloading from "requirements files", which provide
30 an easy way to specify a whole environment to be downloaded.
31 """
32
33 usage = """
34 %prog [options] <requirement specifier> [package-index-options] ...
35 %prog [options] -r <requirements file> [package-index-options] ...
36 %prog [options] <vcs project url> ...
37 %prog [options] <local project path> ...
38 %prog [options] <archive url/path> ..."""
39
40 def __init__(self, *args, **kw):
41 super(DownloadCommand, self).__init__(*args, **kw)
42
43 cmd_opts = self.cmd_opts
44
45 cmd_opts.add_option(cmdoptions.constraints())
46 cmd_opts.add_option(cmdoptions.requirements())
47 cmd_opts.add_option(cmdoptions.build_dir())
48 cmd_opts.add_option(cmdoptions.no_deps())
49 cmd_opts.add_option(cmdoptions.global_options())
50 cmd_opts.add_option(cmdoptions.no_binary())
51 cmd_opts.add_option(cmdoptions.only_binary())
52 cmd_opts.add_option(cmdoptions.prefer_binary())
53 cmd_opts.add_option(cmdoptions.src())
54 cmd_opts.add_option(cmdoptions.pre())
55 cmd_opts.add_option(cmdoptions.no_clean())
56 cmd_opts.add_option(cmdoptions.require_hashes())
57 cmd_opts.add_option(cmdoptions.progress_bar())
58 cmd_opts.add_option(cmdoptions.no_build_isolation())
59 cmd_opts.add_option(cmdoptions.use_pep517())
60 cmd_opts.add_option(cmdoptions.no_use_pep517())
61
62 cmd_opts.add_option(
63 '-d', '--dest', '--destination-dir', '--destination-directory',
64 dest='download_dir',
65 metavar='dir',
66 default=os.curdir,
67 help=("Download packages into <dir>."),
68 )
69
70 cmdoptions.add_target_python_options(cmd_opts)
71
72 index_opts = cmdoptions.make_option_group(
73 cmdoptions.index_group,
74 self.parser,
75 )
76
77 self.parser.insert_option_group(0, index_opts)
78 self.parser.insert_option_group(0, cmd_opts)
79
80 def run(self, options, args):
81 options.ignore_installed = True
82 # editable doesn't really make sense for `pip download`, but the bowels
83 # of the RequirementSet code require that property.
84 options.editables = []
85
86 cmdoptions.check_dist_restriction(options)
87
88 options.download_dir = normalize_path(options.download_dir)
89
90 ensure_dir(options.download_dir)
91
92 session = self.get_default_session(options)
93
94 target_python = make_target_python(options)
95 finder = self._build_package_finder(
96 options=options,
97 session=session,
98 target_python=target_python,
99 )
100 build_delete = (not (options.no_clean or options.build_dir))
101
102 with get_requirement_tracker() as req_tracker, TempDirectory(
103 options.build_dir, delete=build_delete, kind="download"
104 ) as directory:
105
106 requirement_set = RequirementSet()
107 self.populate_requirement_set(
108 requirement_set,
109 args,
110 options,
111 finder,
112 session,
113 None
114 )
115
116 preparer = self.make_requirement_preparer(
117 temp_build_dir=directory,
118 options=options,
119 req_tracker=req_tracker,
120 session=session,
121 finder=finder,
122 download_dir=options.download_dir,
123 use_user_site=False,
124 )
125
126 resolver = self.make_resolver(
127 preparer=preparer,
128 finder=finder,
129 options=options,
130 py_version_info=options.python_version,
131 )
132
133 self.trace_basic_info(finder)
134
135 resolver.resolve(requirement_set)
136
137 downloaded = ' '.join([
138 req.name for req in requirement_set.successfully_downloaded
139 ])
140 if downloaded:
141 write_output('Successfully downloaded %s', downloaded)
142
143 # Clean up
144 if not options.no_clean:
145 requirement_set.cleanup_files()
146
147 return requirement_set