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Create proxies for pip, wheel, etc. to get around problems with long paths #1004

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Create proxies for pip, wheel, etc. to get around problems with long paths #1004

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36 changes: 35 additions & 1 deletion virtualenv.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import pkgutil
import tempfile
import textwrap
import stat
from distutils.util import strtobool
from os.path import join

Expand Down Expand Up @@ -904,6 +905,34 @@ def space_path2url(p):
logger.end_progress()


def create_proxies(py_executable, bin_dir):
scripts = glob.glob(os.path.join(bin_dir, "pip*"))
scripts += glob.glob(os.path.join(bin_dir, "easy_install*"))
scripts += glob.glob(os.path.join(bin_dir, "wheel*"))

execute_bits = stat.S_IEXEC | stat.S_IXGRP | stat.S_IXOTH

for script in scripts:
head, tail = os.path.split(script)
hidden_destination = os.path.join(head, '.' + tail)

os.rename(script, hidden_destination)

with open(script, "w") as script_proxy:
text = "#!/usr/bin/env sh"
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Should this not force an appropriate encoding? What if the venv name contains non-ASCII characters?

text += "\n'%s' '%s' $@" % (
py_executable,
hidden_destination,
)
script_proxy.write(text)

os.chmod(script, os.stat(script).st_mode | execute_bits)
os.chmod(
hidden_destination,
os.stat(hidden_destination).st_mode & ~execute_bits,
)


def create_environment(home_dir, site_packages=False, clear=False,
unzip_setuptools=False,
prompt=None, search_dirs=None, download=False,
Expand Down Expand Up @@ -945,8 +974,13 @@ def create_environment(home_dir, site_packages=False, clear=False,
download=download,
)

install_activate(home_dir, bin_dir, prompt)
if not is_win:
create_proxies(
py_executable=py_executable,
bin_dir=bin_dir
)

install_activate(home_dir, bin_dir, prompt)
install_python_config(home_dir, bin_dir, prompt)

def is_executable_file(fpath):
Expand Down