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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/lib/python3.8/site-packages/setuptools/installer.py @ 68:5028fdace37b

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 16:23:26 -0400
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67:0e9998148a16 68:5028fdace37b
1 import glob
2 import os
3 import subprocess
4 import sys
5 import tempfile
6 from functools import partial
7
8 from . import _reqs
9 from ._reqs import _StrOrIter
10 from .warnings import SetuptoolsDeprecationWarning
11 from .wheel import Wheel
12
13 from distutils import log
14 from distutils.errors import DistutilsError
15
16
17 def _fixup_find_links(find_links):
18 """Ensure find-links option end-up being a list of strings."""
19 if isinstance(find_links, str):
20 return find_links.split()
21 assert isinstance(find_links, (tuple, list))
22 return find_links
23
24
25 def fetch_build_egg(dist, req):
26 """Fetch an egg needed for building.
27
28 Use pip/wheel to fetch/build a wheel."""
29 _DeprecatedInstaller.emit()
30 _warn_wheel_not_available(dist)
31 return _fetch_build_egg_no_warn(dist, req)
32
33
34 def _fetch_build_eggs(dist, requires: _StrOrIter):
35 import pkg_resources # Delay import to avoid unnecessary side-effects
36
37 _DeprecatedInstaller.emit(stacklevel=3)
38 _warn_wheel_not_available(dist)
39
40 resolved_dists = pkg_resources.working_set.resolve(
41 _reqs.parse(requires, pkg_resources.Requirement), # required for compatibility
42 installer=partial(_fetch_build_egg_no_warn, dist), # avoid warning twice
43 replace_conflicting=True,
44 )
45 for dist in resolved_dists:
46 pkg_resources.working_set.add(dist, replace=True)
47 return resolved_dists
48
49
50 def _fetch_build_egg_no_warn(dist, req): # noqa: C901 # is too complex (16) # FIXME
51 import pkg_resources # Delay import to avoid unnecessary side-effects
52
53 # Ignore environment markers; if supplied, it is required.
54 req = strip_marker(req)
55 # Take easy_install options into account, but do not override relevant
56 # pip environment variables (like PIP_INDEX_URL or PIP_QUIET); they'll
57 # take precedence.
58 opts = dist.get_option_dict('easy_install')
59 if 'allow_hosts' in opts:
60 raise DistutilsError(
61 'the `allow-hosts` option is not supported '
62 'when using pip to install requirements.'
63 )
64 quiet = 'PIP_QUIET' not in os.environ and 'PIP_VERBOSE' not in os.environ
65 if 'PIP_INDEX_URL' in os.environ:
66 index_url = None
67 elif 'index_url' in opts:
68 index_url = opts['index_url'][1]
69 else:
70 index_url = None
71 find_links = (
72 _fixup_find_links(opts['find_links'][1])[:] if 'find_links' in opts else []
73 )
74 if dist.dependency_links:
75 find_links.extend(dist.dependency_links)
76 eggs_dir = os.path.realpath(dist.get_egg_cache_dir())
77 environment = pkg_resources.Environment()
78 for egg_dist in pkg_resources.find_distributions(eggs_dir):
79 if egg_dist in req and environment.can_add(egg_dist):
80 return egg_dist
81 with tempfile.TemporaryDirectory() as tmpdir:
82 cmd = [
83 sys.executable,
84 '-m',
85 'pip',
86 '--disable-pip-version-check',
87 'wheel',
88 '--no-deps',
89 '-w',
90 tmpdir,
91 ]
92 if quiet:
93 cmd.append('--quiet')
94 if index_url is not None:
95 cmd.extend(('--index-url', index_url))
96 for link in find_links or []:
97 cmd.extend(('--find-links', link))
98 # If requirement is a PEP 508 direct URL, directly pass
99 # the URL to pip, as `req @ url` does not work on the
100 # command line.
101 cmd.append(req.url or str(req))
102 try:
103 subprocess.check_call(cmd)
104 except subprocess.CalledProcessError as e:
105 raise DistutilsError(str(e)) from e
106 wheel = Wheel(glob.glob(os.path.join(tmpdir, '*.whl'))[0])
107 dist_location = os.path.join(eggs_dir, wheel.egg_name())
108 wheel.install_as_egg(dist_location)
109 dist_metadata = pkg_resources.PathMetadata(
110 dist_location, os.path.join(dist_location, 'EGG-INFO')
111 )
112 return pkg_resources.Distribution.from_filename(
113 dist_location, metadata=dist_metadata
114 )
115
116
117 def strip_marker(req):
118 """
119 Return a new requirement without the environment marker to avoid
120 calling pip with something like `babel; extra == "i18n"`, which
121 would always be ignored.
122 """
123 import pkg_resources # Delay import to avoid unnecessary side-effects
124
125 # create a copy to avoid mutating the input
126 req = pkg_resources.Requirement.parse(str(req))
127 req.marker = None
128 return req
129
130
131 def _warn_wheel_not_available(dist):
132 import pkg_resources # Delay import to avoid unnecessary side-effects
133
134 try:
135 pkg_resources.get_distribution('wheel')
136 except pkg_resources.DistributionNotFound:
137 dist.announce('WARNING: The wheel package is not available.', log.WARN)
138
139
140 class _DeprecatedInstaller(SetuptoolsDeprecationWarning):
141 _SUMMARY = "setuptools.installer and fetch_build_eggs are deprecated."
142 _DETAILS = """
143 Requirements should be satisfied by a PEP 517 installer.
144 If you are using pip, you can try `pip install --use-pep517`.
145 """
146 # _DUE_DATE not decided yet