Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 1 of 2.

1 files changed, 104 insertions, 104 deletions

diff --git a/contrib/tools/python3/src/Lib/venv/__init__.py b/contrib/tools/python3/src/Lib/venv/__init__.py
index 6f1af294ae..2e8e7d4341 100644
--- a/contrib/tools/python3/src/Lib/venv/__init__.py
+++ b/contrib/tools/python3/src/Lib/venv/__init__.py
@@ -12,8 +12,8 @@ import sys
 import sysconfig
 import types
 
-
-CORE_VENV_DEPS = ('pip', 'setuptools')
+ 
+CORE_VENV_DEPS = ('pip', 'setuptools') 
 logger = logging.getLogger(__name__)
 
 
@@ -40,21 +40,21 @@ class EnvBuilder:
     :param with_pip: If True, ensure pip is installed in the virtual
                      environment
     :param prompt: Alternative terminal prefix for the environment.
-    :param upgrade_deps: Update the base venv modules to the latest on PyPI
+    :param upgrade_deps: Update the base venv modules to the latest on PyPI 
     """
 
     def __init__(self, system_site_packages=False, clear=False,
-                 symlinks=False, upgrade=False, with_pip=False, prompt=None,
-                 upgrade_deps=False):
+                 symlinks=False, upgrade=False, with_pip=False, prompt=None, 
+                 upgrade_deps=False): 
         self.system_site_packages = system_site_packages
         self.clear = clear
         self.symlinks = symlinks
         self.upgrade = upgrade
         self.with_pip = with_pip
-        if prompt == '.':  # see bpo-38901
-            prompt = os.path.basename(os.getcwd())
+        if prompt == '.':  # see bpo-38901 
+            prompt = os.path.basename(os.getcwd()) 
         self.prompt = prompt
-        self.upgrade_deps = upgrade_deps
+        self.upgrade_deps = upgrade_deps 
 
     def create(self, env_dir):
         """
@@ -81,8 +81,8 @@ class EnvBuilder:
             # restore it and rewrite the configuration
             self.system_site_packages = True
             self.create_configuration(context)
-        if self.upgrade_deps:
-            self.upgrade_dependencies(context)
+        if self.upgrade_deps: 
+            self.upgrade_dependencies(context) 
 
     def clear_directory(self, path):
         for fn in os.listdir(path):
@@ -114,7 +114,7 @@ class EnvBuilder:
         prompt = self.prompt if self.prompt is not None else context.env_name
         context.prompt = '(%s) ' % prompt
         create_if_needed(env_dir)
-        executable = sys._base_executable
+        executable = sys._base_executable 
         dirname, exename = os.path.split(os.path.abspath(executable))
         context.executable = executable
         context.python_dir = dirname
@@ -142,20 +142,20 @@ class EnvBuilder:
         context.bin_name = binname
         context.env_exe = os.path.join(binpath, exename)
         create_if_needed(binpath)
-        # Assign and update the command to use when launching the newly created
-        # environment, in case it isn't simply the executable script (e.g. bpo-45337)
-        context.env_exec_cmd = context.env_exe
-        if sys.platform == 'win32':
-            # bpo-45337: Fix up env_exec_cmd to account for file system redirections.
-            # Some redirects only apply to CreateFile and not CreateProcess
-            real_env_exe = os.path.realpath(context.env_exe)
-            if os.path.normcase(real_env_exe) != os.path.normcase(context.env_exe):
-                logger.warning('Actual environment location may have moved due to '
-                               'redirects, links or junctions.\n'
-                               '  Requested location: "%s"\n'
-                               '  Actual location:    "%s"',
-                               context.env_exe, real_env_exe)
-                context.env_exec_cmd = real_env_exe
+        # Assign and update the command to use when launching the newly created 
+        # environment, in case it isn't simply the executable script (e.g. bpo-45337) 
+        context.env_exec_cmd = context.env_exe 
+        if sys.platform == 'win32': 
+            # bpo-45337: Fix up env_exec_cmd to account for file system redirections. 
+            # Some redirects only apply to CreateFile and not CreateProcess 
+            real_env_exe = os.path.realpath(context.env_exe) 
+            if os.path.normcase(real_env_exe) != os.path.normcase(context.env_exe): 
+                logger.warning('Actual environment location may have moved due to ' 
+                               'redirects, links or junctions.\n' 
+                               '  Requested location: "%s"\n' 
+                               '  Actual location:    "%s"', 
+                               context.env_exe, real_env_exe) 
+                context.env_exec_cmd = real_env_exe 
         return context
 
     def create_configuration(self, context):
@@ -176,69 +176,69 @@ class EnvBuilder:
                 incl = 'false'
             f.write('include-system-site-packages = %s\n' % incl)
             f.write('version = %d.%d.%d\n' % sys.version_info[:3])
-            if self.prompt is not None:
-                f.write(f'prompt = {self.prompt!r}\n')
-
-    if os.name != 'nt':
-        def symlink_or_copy(self, src, dst, relative_symlinks_ok=False):
-            """
-            Try symlinking a file, and if that fails, fall back to copying.
-            """
-            force_copy = not self.symlinks
-            if not force_copy:
-                try:
-                    if not os.path.islink(dst): # can't link to itself!
-                        if relative_symlinks_ok:
-                            assert os.path.dirname(src) == os.path.dirname(dst)
-                            os.symlink(os.path.basename(src), dst)
-                        else:
-                            os.symlink(src, dst)
-                except Exception:   # may need to use a more specific exception
-                    logger.warning('Unable to symlink %r to %r', src, dst)
-                    force_copy = True
-            if force_copy:
-                shutil.copyfile(src, dst)
-    else:
-        def symlink_or_copy(self, src, dst, relative_symlinks_ok=False):
-            """
-            Try symlinking a file, and if that fails, fall back to copying.
-            """
-            bad_src = os.path.lexists(src) and not os.path.exists(src)
-            if self.symlinks and not bad_src and not os.path.islink(dst):
-                try:
+            if self.prompt is not None: 
+                f.write(f'prompt = {self.prompt!r}\n') 
+
+    if os.name != 'nt': 
+        def symlink_or_copy(self, src, dst, relative_symlinks_ok=False): 
+            """ 
+            Try symlinking a file, and if that fails, fall back to copying. 
+            """ 
+            force_copy = not self.symlinks 
+            if not force_copy: 
+                try: 
+                    if not os.path.islink(dst): # can't link to itself! 
+                        if relative_symlinks_ok: 
+                            assert os.path.dirname(src) == os.path.dirname(dst) 
+                            os.symlink(os.path.basename(src), dst) 
+                        else: 
+                            os.symlink(src, dst) 
+                except Exception:   # may need to use a more specific exception 
+                    logger.warning('Unable to symlink %r to %r', src, dst) 
+                    force_copy = True 
+            if force_copy: 
+                shutil.copyfile(src, dst) 
+    else: 
+        def symlink_or_copy(self, src, dst, relative_symlinks_ok=False): 
+            """ 
+            Try symlinking a file, and if that fails, fall back to copying. 
+            """ 
+            bad_src = os.path.lexists(src) and not os.path.exists(src) 
+            if self.symlinks and not bad_src and not os.path.islink(dst): 
+                try: 
                     if relative_symlinks_ok:
                         assert os.path.dirname(src) == os.path.dirname(dst)
                         os.symlink(os.path.basename(src), dst)
                     else:
                         os.symlink(src, dst)
-                    return
-                except Exception:   # may need to use a more specific exception
-                    logger.warning('Unable to symlink %r to %r', src, dst)
-
-            # On Windows, we rewrite symlinks to our base python.exe into
-            # copies of venvlauncher.exe
-            basename, ext = os.path.splitext(os.path.basename(src))
-            srcfn = os.path.join(os.path.dirname(__file__),
-                                 "scripts",
-                                 "nt",
-                                 basename + ext)
-            # Builds or venv's from builds need to remap source file
-            # locations, as we do not put them into Lib/venv/scripts
-            if sysconfig.is_python_build(True) or not os.path.isfile(srcfn):
+                    return 
+                except Exception:   # may need to use a more specific exception 
+                    logger.warning('Unable to symlink %r to %r', src, dst) 
+ 
+            # On Windows, we rewrite symlinks to our base python.exe into 
+            # copies of venvlauncher.exe 
+            basename, ext = os.path.splitext(os.path.basename(src)) 
+            srcfn = os.path.join(os.path.dirname(__file__), 
+                                 "scripts", 
+                                 "nt", 
+                                 basename + ext) 
+            # Builds or venv's from builds need to remap source file 
+            # locations, as we do not put them into Lib/venv/scripts 
+            if sysconfig.is_python_build(True) or not os.path.isfile(srcfn): 
                 if basename.endswith('_d'):
                     ext = '_d' + ext
                     basename = basename[:-2]
-                if basename == 'python':
-                    basename = 'venvlauncher'
-                elif basename == 'pythonw':
-                    basename = 'venvwlauncher'
-                src = os.path.join(os.path.dirname(src), basename + ext)
-            else:
-                src = srcfn
-            if not os.path.exists(src):
-                if not bad_src:
-                    logger.warning('Unable to copy %r', src)
-                return
+                if basename == 'python': 
+                    basename = 'venvlauncher' 
+                elif basename == 'pythonw': 
+                    basename = 'venvwlauncher' 
+                src = os.path.join(os.path.dirname(src), basename + ext) 
+            else: 
+                src = srcfn 
+            if not os.path.exists(src): 
+                if not bad_src: 
+                    logger.warning('Unable to copy %r', src) 
+                return 
 
             shutil.copyfile(src, dst)
 
@@ -257,7 +257,7 @@ class EnvBuilder:
             copier(context.executable, path)
             if not os.path.islink(path):
                 os.chmod(path, 0o755)
-            for suffix in ('python', 'python3', f'python3.{sys.version_info[1]}'):
+            for suffix in ('python', 'python3', f'python3.{sys.version_info[1]}'): 
                 path = os.path.join(binpath, suffix)
                 if not os.path.exists(path):
                     # Issue 18807: make copies if
@@ -281,13 +281,13 @@ class EnvBuilder:
                         os.path.normcase(f).startswith(('python', 'vcruntime'))
                     ]
             else:
-                suffixes = {'python.exe', 'python_d.exe', 'pythonw.exe', 'pythonw_d.exe'}
-                base_exe = os.path.basename(context.env_exe)
-                suffixes.add(base_exe)
+                suffixes = {'python.exe', 'python_d.exe', 'pythonw.exe', 'pythonw_d.exe'} 
+                base_exe = os.path.basename(context.env_exe) 
+                suffixes.add(base_exe) 
 
             for suffix in suffixes:
                 src = os.path.join(dirname, suffix)
-                if os.path.lexists(src):
+                if os.path.lexists(src): 
                     copier(src, os.path.join(binpath, suffix))
 
             if sysconfig.is_python_build(True):
@@ -308,8 +308,8 @@ class EnvBuilder:
         # We run ensurepip in isolated mode to avoid side effects from
         # environment vars, the current directory and anything else
         # intended for the global Python environment
-        cmd = [context.env_exec_cmd, '-Im', 'ensurepip', '--upgrade',
-                                                         '--default-pip']
+        cmd = [context.env_exec_cmd, '-Im', 'ensurepip', '--upgrade', 
+                                                         '--default-pip'] 
         subprocess.check_output(cmd, stderr=subprocess.STDOUT)
 
     def setup_scripts(self, context):
@@ -405,21 +405,21 @@ class EnvBuilder:
                         f.write(data)
                     shutil.copymode(srcfile, dstfile)
 
-    def upgrade_dependencies(self, context):
-        logger.debug(
-            f'Upgrading {CORE_VENV_DEPS} packages in {context.bin_path}'
-        )
-        cmd = [context.env_exec_cmd, '-m', 'pip', 'install', '--upgrade']
-        cmd.extend(CORE_VENV_DEPS)
-        subprocess.check_call(cmd)
-
+    def upgrade_dependencies(self, context): 
+        logger.debug( 
+            f'Upgrading {CORE_VENV_DEPS} packages in {context.bin_path}' 
+        ) 
+        cmd = [context.env_exec_cmd, '-m', 'pip', 'install', '--upgrade'] 
+        cmd.extend(CORE_VENV_DEPS) 
+        subprocess.check_call(cmd) 
 
+ 
 def create(env_dir, system_site_packages=False, clear=False,
-           symlinks=False, with_pip=False, prompt=None, upgrade_deps=False):
+           symlinks=False, with_pip=False, prompt=None, upgrade_deps=False): 
     """Create a virtual environment in a directory."""
     builder = EnvBuilder(system_site_packages=system_site_packages,
                          clear=clear, symlinks=symlinks, with_pip=with_pip,
-                         prompt=prompt, upgrade_deps=upgrade_deps)
+                         prompt=prompt, upgrade_deps=upgrade_deps) 
     builder.create(env_dir)
 
 def main(args=None):
@@ -482,11 +482,11 @@ def main(args=None):
         parser.add_argument('--prompt',
                             help='Provides an alternative prompt prefix for '
                                  'this environment.')
-        parser.add_argument('--upgrade-deps', default=False, action='store_true',
-                            dest='upgrade_deps',
-                            help='Upgrade core dependencies: {} to the latest '
-                                 'version in PyPI'.format(
-                                 ' '.join(CORE_VENV_DEPS)))
+        parser.add_argument('--upgrade-deps', default=False, action='store_true', 
+                            dest='upgrade_deps', 
+                            help='Upgrade core dependencies: {} to the latest ' 
+                                 'version in PyPI'.format( 
+                                 ' '.join(CORE_VENV_DEPS))) 
         options = parser.parse_args(args)
         if options.upgrade and options.clear:
             raise ValueError('you cannot supply --upgrade and --clear together.')
@@ -495,8 +495,8 @@ def main(args=None):
                              symlinks=options.symlinks,
                              upgrade=options.upgrade,
                              with_pip=options.with_pip,
-                             prompt=options.prompt,
-                             upgrade_deps=options.upgrade_deps)
+                             prompt=options.prompt, 
+                             upgrade_deps=options.upgrade_deps) 
         for d in options.dirs:
             builder.create(d)