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Merge pull request #10046 from OBITORASU/long-paths-fix

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Pradyun Gedam 2021-06-11 12:12:56 +01:00 committed by GitHub
parent 4e37816b82 7a64c944b8
commit cd52165d6b
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2 changed files with 14 additions and 0 deletions
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1
news/10045.feature.rst Normal file
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@ -0,0 +1 @@
Added a warning message for errors caused due to Long Paths being disabled on Windows.

13
src/pip/_internal/commands/install.py
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@ -25,6 +25,7 @@ from pip._internal.operations.check import ConflictDetails, check_install_confli
from pip._internal.req import install_given_reqs
from pip._internal.req.req_install import InstallRequirement
from pip._internal.req.req_tracker import get_requirement_tracker
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.distutils_args import parse_distutils_args
from pip._internal.utils.filesystem import test_writable_dir
from pip._internal.utils.logging import getLogger
@ -737,4 +738,16 @@ def create_os_error_message(error, show_traceback, using_user_site):
parts.append(permissions_part)
parts.append(".\n")
# Suggest the user to enable Long Paths if path length is
# more than 260
if (WINDOWS and error.errno == errno.ENOENT and error.filename and
len(error.filename) > 260):
parts.append(
"HINT: This error might have occurred since "
"this system does not have Windows Long Path "
"support enabled. You can find information on "
"how to enable this at "
"https://pip.pypa.io/warnings/enable-long-paths\n"
)
return "".join(parts).strip() + "\n"