Pip install psutil fails occassionally

[nandhakum...@gmail.com]

Collecting psutil
  Downloading psutil-5.0.1.tar.gz (326kB)
Building wheels for collected packages: psutil
  Running setup.py bdist_wheel for psutil: started
  Running setup.py bdist_wheel for psutil: finished with status 'done'
  Stored in directory: /home/jenkins/.cache/pip/wheels/f1/41/93/910ab597b78286fb8685f314a8e9daa9dc35085f5d861589c4
Exception:
Traceback (most recent call last):
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/commands/install.py", line 335, in run
    wb.build(autobuilding=True)
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/wheel.py", line 837, in build
    session=self.requirement_set.session)
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/download.py", line 809, in unpack_url
    unpack_file_url(link, location, download_dir, hashes=hashes)
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/download.py", line 715, in unpack_file_url
    unpack_file(from_path, location, content_type, link)
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/utils/__init__.py", line 599, in unpack_file
    flatten=not filename.endswith('.whl')
  File "/data/users/jenkins/workspace/project/tseries-1.0/tseries-1.0-cdci-qemu-t300/VIRT/lib/python2.7/site-packages/pip/utils/__init__.py", line 488, in unzip_file
    data = zip.read(name)
  File "/usr/lib64/python2.7/zipfile.py", line 931, in read
    return self.open(name, "r", pwd).read()
  File "/usr/lib64/python2.7/zipfile.py", line 626, in read
    data = self.read1(n)
  File "/usr/lib64/python2.7/zipfile.py", line 680, in read1
    max(n - len_readbuffer, self.MIN_READ_SIZE)
error: Error -3 while decompressing: invalid distance too far back

I don't know why this specifically occurs only with psutil.while other modules get installed correctly while psutil fails sometimes.

Any reply at the earliest is appreciable..

Regards,

Nandha Kumar S

[Giampaolo Rodola']

Wow! I've never seen that. 
I'm not sure why it happens or why it uses zipfile module since it says it downloads a tar.gz file.

AFAIC it may as well be a bug with pip. Have you tried using latest pip version (python -m pip install -U pip)?

Really not sure how else to help, sorry. 

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[Nandha Kumar]

We always upgrade the pip module before installing all the modules in our virtualenv and also this error occurs 1 in 10 times and only with psutil not other modules.

What the actual reason would be.

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[Giampaolo Rodola']

Have no idea, sorry. Perhaps you can try to install a different psutil version and see if that solves it?

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