def _is_library_file(filename):
return (filename is None or path_startswith(filename, sys.prefix)
or hasattr(sys, "base_prefix")
and path_startswith(filename, sys.base_prefix)
or hasattr(sys, "real_prefix")
and path_startswith(filename, getattr(sys, "real_prefix"))
or site.ENABLE_USER_SITE
and path_startswith(filename, site.getusersitepackages()))
def get_site_packages(self):
# NB! site.sitepackages may not be present in virtualenv
for d in self._sys_path:
if ("site-packages" in d or "dist-packages"
in d) and path_startswith(d, self._sys_prefix):
return d
return None
def _get_target_directory(self):
if self._use_user_install():
import site
assert hasattr(site, "getusersitepackages")
os.makedirs(site.getusersitepackages(), exist_ok=True)
return normpath_with_actual_case(site.getusersitepackages())
else:
for d in sys.path:
if ("site-packages" in d or "dist-packages"
in d) and path_startswith(d, sys.prefix):
return normpath_with_actual_case(d)
return None
def test_path_startswith():
assert path_startswith("/kala/pala", "/kala")
assert path_startswith("/kala/pala", "/kala/")
assert not path_startswith("/kala/pala", "/pala")
assert not path_startswith("/kalapala/pala", "/kala")
if os.name == "nt":
assert path_startswith("/kala/pala", "/KALA")
else:
assert not path_startswith("/kala/pala", "/KALA")
if os.name == "nt":
assert path_startswith("C:\\foo\\bar", "C:\\foo")
assert path_startswith("C:\\foo", "C:\\")
assert path_startswith("C:/foo", "C:\\")
assert path_startswith("C:\\foo", "C:/")
assert path_startswith("C:\\foo\\dir\\file", "C:\\foo")
assert path_startswith("C:/foo\\dir\\file", "c:\\FOO")
assert path_startswith("c:\\FOO\\dir\\file", "C:/foo")
assert path_startswith("C:\\FOO\\dir\\dir2\\..\\ee", "C:/foo/dir/ee")
assert path_startswith("c:\\foo\\bar.txt/kala\\pala",
"C:\\foo\\bar.txt/kala")
assert path_startswith("c:\\foo\\bar.txt/kala\\pala", "C:\\")
assert not path_startswith("C:\\kalapala\\pala", "C:\\kala")
