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kromskii2 committed 2025-03-15 09:36:28 +07:00
1 parent ac32c55ab9
commit ee94d8e529
1138 files changed
+55771 -77901
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venv/Lib/site-packages/pip/_vendor/distlib/scripts.py
+59 -49
View File
@@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013-2015 Vinay Sajip.
# Copyright (C) 2013-2023 Vinay Sajip.
# Licensed to the Python Software Foundation under a contributor agreement.
# See LICENSE.txt and CONTRIBUTORS.txt.
#
@@ -15,8 +15,7 @@ from zipfile import ZipInfo
from .compat import sysconfig, detect_encoding, ZipFile
from .resources import finder
from .util import (FileOperator, get_export_entry, convert_path,
get_executable, get_platform, in_venv)
from .util import (FileOperator, get_export_entry, convert_path, get_executable, get_platform, in_venv)
logger = logging.getLogger(__name__)
@@ -49,6 +48,25 @@ if __name__ == '__main__':
sys.exit(%(func)s())
'''
# Pre-fetch the contents of all executable wrapper stubs.
# This is to address https://github.com/pypa/pip/issues/12666.
# When updating pip, we rename the old pip in place before installing the
# new version. If we try to fetch a wrapper *after* that rename, the finder
# machinery will be confused as the package is no longer available at the
# location where it was imported from. So we load everything into memory in
# advance.
if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'):
# Issue 31: don't hardcode an absolute package name, but
# determine it relative to the current package
DISTLIB_PACKAGE = __name__.rsplit('.', 1)[0]
WRAPPERS = {
r.name: r.bytes
for r in finder(DISTLIB_PACKAGE).iterator("")
if r.name.endswith(".exe")
}
def enquote_executable(executable):
if ' ' in executable:
@@ -65,9 +83,11 @@ def enquote_executable(executable):
executable = '"%s"' % executable
return executable
# Keep the old name around (for now), as there is at least one project using it!
_enquote_executable = enquote_executable
class ScriptMaker(object):
"""
A class to copy or create scripts from source scripts or callable
@@ -77,21 +97,18 @@ class ScriptMaker(object):
executable = None # for shebangs
def __init__(self, source_dir, target_dir, add_launchers=True,
dry_run=False, fileop=None):
def __init__(self, source_dir, target_dir, add_launchers=True, dry_run=False, fileop=None):
self.source_dir = source_dir
self.target_dir = target_dir
self.add_launchers = add_launchers
self.force = False
self.clobber = False
# It only makes sense to set mode bits on POSIX.
self.set_mode = (os.name == 'posix') or (os.name == 'java' and
os._name == 'posix')
self.set_mode = (os.name == 'posix') or (os.name == 'java' and os._name == 'posix')
self.variants = set(('', 'X.Y'))
self._fileop = fileop or FileOperator(dry_run)
self._is_nt = os.name == 'nt' or (
os.name == 'java' and os._name == 'nt')
self._is_nt = os.name == 'nt' or (os.name == 'java' and os._name == 'nt')
self.version_info = sys.version_info
def _get_alternate_executable(self, executable, options):
@@ -102,6 +119,7 @@ class ScriptMaker(object):
return executable
if sys.platform.startswith('java'): # pragma: no cover
def _is_shell(self, executable):
"""
Determine if the specified executable is a script
@@ -139,6 +157,12 @@ class ScriptMaker(object):
"""
if os.name != 'posix':
simple_shebang = True
elif getattr(sys, "cross_compiling", False):
# In a cross-compiling environment, the shebang will likely be a
# script; this *must* be invoked with the "safe" version of the
# shebang, or else using os.exec() to run the entry script will
# fail, raising "OSError 8 [Errno 8] Exec format error".
simple_shebang = False
else:
# Add 3 for '#!' prefix and newline suffix.
shebang_length = len(executable) + len(post_interp) + 3
@@ -146,37 +170,35 @@ class ScriptMaker(object):
max_shebang_length = 512
else:
max_shebang_length = 127
simple_shebang = ((b' ' not in executable) and
(shebang_length <= max_shebang_length))
simple_shebang = ((b' ' not in executable) and (shebang_length <= max_shebang_length))
if simple_shebang:
result = b'#!' + executable + post_interp + b'\n'
else:
result = b'#!/bin/sh\n'
result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
result += b"' '''"
result += b"' '''\n"
return result
def _get_shebang(self, encoding, post_interp=b'', options=None):
enquote = True
if self.executable:
executable = self.executable
enquote = False # assume this will be taken care of
enquote = False # assume this will be taken care of
elif not sysconfig.is_python_build():
executable = get_executable()
elif in_venv(): # pragma: no cover
executable = os.path.join(sysconfig.get_path('scripts'),
'python%s' % sysconfig.get_config_var('EXE'))
executable = os.path.join(sysconfig.get_path('scripts'), 'python%s' % sysconfig.get_config_var('EXE'))
else: # pragma: no cover
executable = os.path.join(
sysconfig.get_config_var('BINDIR'),
'python%s%s' % (sysconfig.get_config_var('VERSION'),
sysconfig.get_config_var('EXE')))
if not os.path.isfile(executable):
if os.name == 'nt':
# for Python builds from source on Windows, no Python executables with
# a version suffix are created, so we use python.exe
executable = os.path.join(sysconfig.get_config_var('BINDIR'),
'python%s' % (sysconfig.get_config_var('EXE')))
'python%s' % (sysconfig.get_config_var('EXE')))
else:
executable = os.path.join(
sysconfig.get_config_var('BINDIR'),
'python%s%s' % (sysconfig.get_config_var('VERSION'), sysconfig.get_config_var('EXE')))
if options:
executable = self._get_alternate_executable(executable, options)
@@ -200,8 +222,8 @@ class ScriptMaker(object):
# check that the shebang is decodable using utf-8.
executable = executable.encode('utf-8')
# in case of IronPython, play safe and enable frames support
if (sys.platform == 'cli' and '-X:Frames' not in post_interp
and '-X:FullFrames' not in post_interp): # pragma: no cover
if (sys.platform == 'cli' and '-X:Frames' not in post_interp and
'-X:FullFrames' not in post_interp): # pragma: no cover
post_interp += b' -X:Frames'
shebang = self._build_shebang(executable, post_interp)
# Python parser starts to read a script using UTF-8 until
@@ -212,8 +234,7 @@ class ScriptMaker(object):
try:
shebang.decode('utf-8')
except UnicodeDecodeError: # pragma: no cover
raise ValueError(
'The shebang (%r) is not decodable from utf-8' % shebang)
raise ValueError('The shebang (%r) is not decodable from utf-8' % shebang)
# If the script is encoded to a custom encoding (use a
# #coding:xxx cookie), the shebang has to be decodable from
# the script encoding too.
@@ -221,15 +242,13 @@ class ScriptMaker(object):
try:
shebang.decode(encoding)
except UnicodeDecodeError: # pragma: no cover
raise ValueError(
'The shebang (%r) is not decodable '
'from the script encoding (%r)' % (shebang, encoding))
raise ValueError('The shebang (%r) is not decodable '
'from the script encoding (%r)' % (shebang, encoding))
return shebang
def _get_script_text(self, entry):
return self.script_template % dict(module=entry.prefix,
import_name=entry.suffix.split('.')[0],
func=entry.suffix)
return self.script_template % dict(
module=entry.prefix, import_name=entry.suffix.split('.')[0], func=entry.suffix)
manifest = _DEFAULT_MANIFEST
@@ -239,9 +258,6 @@ class ScriptMaker(object):
def _write_script(self, names, shebang, script_bytes, filenames, ext):
use_launcher = self.add_launchers and self._is_nt
linesep = os.linesep.encode('utf-8')
if not shebang.endswith(linesep):
shebang += linesep
if not use_launcher:
script_bytes = shebang + script_bytes
else: # pragma: no cover
@@ -275,7 +291,7 @@ class ScriptMaker(object):
'use .deleteme logic')
dfname = '%s.deleteme' % outname
if os.path.exists(dfname):
os.remove(dfname) # Not allowed to fail here
os.remove(dfname) # Not allowed to fail here
os.rename(outname, dfname) # nor here
self._fileop.write_binary_file(outname, script_bytes)
logger.debug('Able to replace executable using '
@@ -283,7 +299,7 @@ class ScriptMaker(object):
try:
os.remove(dfname)
except Exception:
pass # still in use - ignore error
pass # still in use - ignore error
else:
if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover
outname = '%s.%s' % (outname, ext)
@@ -304,8 +320,7 @@ class ScriptMaker(object):
if 'X' in self.variants:
result.add('%s%s' % (name, self.version_info[0]))
if 'X.Y' in self.variants:
result.add('%s%s%s.%s' % (name, self.variant_separator,
self.version_info[0], self.version_info[1]))
result.add('%s%s%s.%s' % (name, self.variant_separator, self.version_info[0], self.version_info[1]))
return result
def _make_script(self, entry, filenames, options=None):
@@ -360,8 +375,7 @@ class ScriptMaker(object):
self._fileop.set_executable_mode([outname])
filenames.append(outname)
else:
logger.info('copying and adjusting %s -> %s', script,
self.target_dir)
logger.info('copying and adjusting %s -> %s', script, self.target_dir)
if not self._fileop.dry_run:
encoding, lines = detect_encoding(f.readline)
f.seek(0)
@@ -388,21 +402,17 @@ class ScriptMaker(object):
# Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/
def _get_launcher(self, kind):
if struct.calcsize('P') == 8: # 64-bit
if struct.calcsize('P') == 8: # 64-bit
bits = '64'
else:
bits = '32'
platform_suffix = '-arm' if get_platform() == 'win-arm64' else ''
name = '%s%s%s.exe' % (kind, bits, platform_suffix)
# Issue 31: don't hardcode an absolute package name, but
# determine it relative to the current package
distlib_package = __name__.rsplit('.', 1)[0]
resource = finder(distlib_package).find(name)
if not resource:
msg = ('Unable to find resource %s in package %s' % (name,
distlib_package))
if name not in WRAPPERS:
msg = ('Unable to find resource %s in package %s' %
(name, DISTLIB_PACKAGE))
raise ValueError(msg)
return resource.bytes
return WRAPPERS[name]
# Public API follows