From: Scott Kitterman Date: Sun, 24 May 2020 13:20:53 -0400 Subject: debian python2.7 sysconfig workaround --- src/pip/_internal/locations.py | 16 +++++++++++----- src/pip/_internal/utils/misc.py | 6 +----- 2 files changed, 12 insertions(+), 10 deletions(-) diff --git a/src/pip/_internal/locations.py b/src/pip/_internal/locations.py index 35a4512..f521844 100644 --- a/src/pip/_internal/locations.py +++ b/src/pip/_internal/locations.py @@ -60,13 +60,19 @@ def get_src_prefix(): # FIXME doesn't account for venv linked to global site-packages -site_packages = sysconfig.get_path("purelib") # type: Optional[str] - -# This is because of a bug in PyPy's sysconfig module, see +# The python2.7 part of this is Debian specific: +# https://github.com/pypa/pip/issues/5193 # https://bitbucket.org/pypy/pypy/issues/2506/sysconfig-returns-incorrect-paths -# for more information. -if platform.python_implementation().lower() == "pypy": +can_not_depend_on_purelib = ( + sys.version_info[:2] == (2, 7) or + platform.python_implementation().lower() == "pypy" +) +site_packages = None # type: Optional[str] +if can_not_depend_on_purelib: site_packages = distutils_sysconfig.get_python_lib() +else: + site_packages = sysconfig.get_path("purelib") + try: # Use getusersitepackages if this is present, as it ensures that the # value is initialised properly. diff --git a/src/pip/_internal/utils/misc.py b/src/pip/_internal/utils/misc.py index 459312f..b8795cc 100644 --- a/src/pip/_internal/utils/misc.py +++ b/src/pip/_internal/utils/misc.py @@ -430,11 +430,7 @@ def dist_is_editable(dist): """ Return True if given Distribution is an editable install. """ - for path_item in sys.path: - egg_link = os.path.join(path_item, dist.project_name + '.egg-link') - if os.path.isfile(egg_link): - return True - return False + return bool(egg_link_path(dist)) def get_installed_distributions(