Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: python2.7 (Ubuntu Focal)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2089071
Title:
tarfile.py regression: "ReadError: invalid header"
Status in python2.7 package in Ubuntu:
Confirmed
Status in python2.7 source package in Focal:
Confirmed
Bug description:
After installing the latest Python2.7 (2.7.18-1~20.04.5) there is a
problem installing packages with PIP.
2.7.18-1~20.04.5 contains security updates to tarfile.py, and the
below error is in tarfile.py, there might be a regression in
tarfile.py.
testuser@test-focal:~$ mkdir ve; cd ve; virtualenv -v --python
/usr/bin/python2 --always-copy --no-wheel --no-setuptools .
find interpreter for spec PythonSpec(path=/usr/bin/python2)
proposed PythonInfo(spec=CPython2.7.18.final.0-64, exe=/usr/bin/python2,
platform=linux2, version='2.7.18 (default, Nov 13 2024, 05:12:32) \n[GCC
9.4.0]', encoding_fs_io=UTF-8-None)
create virtual environment via CPython2Posix(dest=/home/testuser/ve,
clear=False, global=False)
add seed packages via FromAppData(download=False, pip=latest,
pkg_resources=latest, via=copy,
app_data_dir=/home/testuser/.local/share/virtualenv/seed-app-data/v1.0.1.debian.1)
changing mode of /home/testuser/ve/bin/pip to 775
changing mode of /home/testuser/ve/bin/pip-2.7 to 775
changing mode of /home/testuser/ve/bin/pip2.7 to 775
changing mode of /home/testuser/ve/bin/pip2 to 775
add activators for Bash, CShell, Fish, PowerShell, Python
created virtual environment CPython2.7.18.final.0-64 in 167ms
creator CPython2Posix(dest=/home/testuser/ve, clear=False, global=False)
seeder FromAppData(download=False, pip=latest, pkg_resources=latest,
via=copy,
app_data_dir=/home/testuser/.local/share/virtualenv/seed-app-data/v1.0.1.debian.1)
activators
BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator
testuser@test-focal:~/ve$ source bin/activate
(ve) testuser@test-focal:~/ve$ python -m pip install future
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020.
Please upgrade your Python as Python 2.7 is no longer maintained. A future
version of pip will drop support for Python 2.7. More details about Python 2
support in pip, can be found at
https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Collecting future
Using cached future-1.0.0.tar.gz (1.2 MB)
ERROR: Exception:
Traceback (most recent call last):
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/cli/base_command.py",
line 186, in _main
status = self.run(options, args)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/commands/install.py",
line 357, in run
resolver.resolve(requirement_set)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/legacy_resolve.py",
line 177, in resolve
discovered_reqs.extend(self._resolve_one(requirement_set, req))
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/legacy_resolve.py",
line 333, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/legacy_resolve.py",
line 282, in _get_abstract_dist_for
abstract_dist = self.preparer.prepare_linked_requirement(req)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/operations/prepare.py",
line 482, in prepare_linked_requirement
hashes=hashes,
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/operations/prepare.py",
line 287, in unpack_url
hashes=hashes,
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/operations/prepare.py",
line 164, in unpack_http_url
unpack_file(from_path, location, content_type)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/utils/unpacking.py",
line 261, in unpack_file
untar_file(filename, location)
File
"/home/testuser/ve/lib/python2.7/site-packages/pip/_internal/utils/unpacking.py",
line 177, in untar_file
tar = tarfile.open(filename, mode)
File "/usr/lib/python2.7/tarfile.py", line 1708, in open
return func(name, filemode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1762, in gzopen
t = cls.taropen(name, mode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1738, in taropen
return cls(name, mode, fileobj, **kwargs)
File "/usr/lib/python2.7/tarfile.py", line 1602, in __init__
self.firstmember = self.next()
File "/usr/lib/python2.7/tarfile.py", line 2385, in next
raise ReadError(str(e))
ReadError: invalid header
---cut---
Also happens with "dpkt".
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