diff options
Diffstat (limited to 'setuptools/command/easy_install.py')
| -rw-r--r-- | setuptools/command/easy_install.py | 81 |
1 files changed, 31 insertions, 50 deletions
diff --git a/setuptools/command/easy_install.py b/setuptools/command/easy_install.py index 5a9576ff..5808a190 100644 --- a/setuptools/command/easy_install.py +++ b/setuptools/command/easy_install.py @@ -63,7 +63,7 @@ from pkg_resources import ( Distribution, PathMetadata, EggMetadata, WorkingSet, DistributionNotFound, VersionConflict, DEVELOP_DIST, ) -import pkg_resources.py31compat +import pkg_resources __metaclass__ = type @@ -205,7 +205,6 @@ class easy_install(Command): self.pth_file = self.always_copy_from = None self.site_dirs = None self.installed_projects = {} - self.sitepy_installed = False # Always read easy_install options, even if we are subclassed, or have # an independent instance created. This ensures that defaults will # always come from the standard configuration file(s)' "easy_install" @@ -494,12 +493,8 @@ class easy_install(Command): else: self.pth_file = None - if instdir not in map(normalize_path, _pythonpath()): - # only PYTHONPATH dirs need a site.py, so pretend it's there - self.sitepy_installed = True - elif self.multi_version and not os.path.exists(pth_file): - self.sitepy_installed = True # don't need site.py in this case - self.pth_file = None # and don't create a .pth file + if self.multi_version and not os.path.exists(pth_file): + self.pth_file = None # don't create a .pth file self.install_dir = instdir __cant_write_msg = textwrap.dedent(""" @@ -564,7 +559,7 @@ class easy_install(Command): if ok_exists: os.unlink(ok_file) dirname = os.path.dirname(ok_file) - pkg_resources.py31compat.makedirs(dirname, exist_ok=True) + os.makedirs(dirname, exist_ok=True) f = open(pth_file, 'w') except (OSError, IOError): self.cant_write_to_target() @@ -656,9 +651,6 @@ class easy_install(Command): os.path.exists(tmpdir) and rmtree(rmtree_safe(tmpdir)) def easy_install(self, spec, deps=False): - if not self.editable: - self.install_site_py() - with self._tmpdir() as tmpdir: if not isinstance(spec, Requirement): if URL_SCHEME(spec): @@ -1317,38 +1309,6 @@ class easy_install(Command): Please make the appropriate changes for your system and try again. """).strip() - def install_site_py(self): - """Make sure there's a site.py in the target dir, if needed""" - - if self.sitepy_installed: - return # already did it, or don't need to - - sitepy = os.path.join(self.install_dir, "site.py") - source = resource_string("setuptools", "site-patch.py") - source = source.decode('utf-8') - current = "" - - if os.path.exists(sitepy): - log.debug("Checking existing site.py in %s", self.install_dir) - with io.open(sitepy) as strm: - current = strm.read() - - if not current.startswith('def __boot():'): - raise DistutilsError( - "%s is not a setuptools-generated site.py; please" - " remove it." % sitepy - ) - - if current != source: - log.info("Creating %s", sitepy) - if not self.dry_run: - ensure_directory(sitepy) - with io.open(sitepy, 'w', encoding='utf-8') as strm: - strm.write(source) - self.byte_compile([sitepy]) - - self.sitepy_installed = True - def create_home_path(self): """Create directories under ~.""" if not self.user: @@ -2072,17 +2032,38 @@ class ScriptWriter: template = textwrap.dedent(r""" # EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r - __requires__ = %(spec)r import re import sys - from pkg_resources import load_entry_point + + # for compatibility with easy_install; see #2198 + __requires__ = %(spec)r + + try: + from importlib.metadata import distribution + except ImportError: + try: + from importlib_metadata import distribution + except ImportError: + from pkg_resources import load_entry_point + + + def importlib_load_entry_point(spec, group, name): + dist_name, _, _ = spec.partition('==') + matches = ( + entry_point + for entry_point in distribution(dist_name).entry_points + if entry_point.group == group and entry_point.name == name + ) + return next(matches).load() + + + globals().setdefault('load_entry_point', importlib_load_entry_point) + if __name__ == '__main__': sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) - sys.exit( - load_entry_point(%(spec)r, %(group)r, %(name)r)() - ) - """).lstrip() + sys.exit(load_entry_point(%(spec)r, %(group)r, %(name)r)()) + """).lstrip() command_spec_class = CommandSpec |