create virtualenv failed via eclipse pydev debug while succeeded via run #1423
Comments
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Fixed code as follows: script = textwrap.dedent(
"""
import sys
import pkgutil
import tempfile
import os
defined_cert = {defined_cert}
try:
from pip._internal import main as _main
cert_data = pkgutil.get_data("pip._vendor.certifi", "cacert.pem")
except ImportError:
from pip import main as _main
cert_data = pkgutil.get_data("pip._vendor.requests", "cacert.pem")
except IOError:
cert_data = None
if not defined_cert and cert_data is not None:
cert_file = tempfile.NamedTemporaryFile(delete=False)
cert_file.write(cert_data)
cert_file.close()
else:
cert_file = None
try:
args = ["install"] + [{extra_args}]
if cert_file is not None:
args += ["--cert", cert_file.name]
args += sys.argv[-3:]
sys.exit(_main(args))
finally:
if cert_file is not None:
os.remove(cert_file.name)
""".format(
defined_cert=defined_cert, extra_args=", ".join(repr(i) for i in extra_args)
)
).encode("utf8") |
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I've seen the same issue on Pycharm and it's supposed to be on vscode either. |
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@guyingzhao technically this is a pydev BUG, as it does not correctly handles rewrites when the input script is feed via the stdin (which is a perfectly valid use case). Will not manifest with the next generation virtualenv (WIP) inside #1366 #1377. Will be automatically solved by that by side-stepping. |
4 tasks
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@gaborbernat ok, I will temporarily resolve this by myself and wait for official update. |
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Reproducible script:
I've add some print info to clearly address the issue.
If you execute above script using eclipse pydev debug, you will get:
And if you execute above script using eclipse pydev run, no error would be raised, and you will get:
pip listoutputmacos
Reason:
pydev debugger will rewrite command line and virtualenv cannot recognize the corresponding modification, it simply cascade the sys.argv[1:] to pre-defined args.
Fix:
using sys.argv[-3:] instead of sys.argv[1:]
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