pip install doesn't retry over git+ssh

[rsennewald]

• Pip version: 9.0.1
• Python version: 2.7.13
• Operating system: macOS 10.12.5

Description:

pip install doesn't retry when a package is being retrieved over git+ssh, git+https (and likely more). This is likely because this is running an external command and the retries aren't being caught when the command fails. The problem I'm suffering from is that I have many dependencies being retrieved via git+ssh and if there is a network blip then the pip install fails. pip install should be able to handle this with retries like it does with normal packages.

What I've run:

With no internet connection, I've tried running the following commands:

pip install --no-cache-dir git+https://github.com/tangentlabs/django-oscar-paypal.git@master
Collecting git+https://github.com/tangentlabs/django-oscar-paypal.git@master
  Cloning https://github.com/tangentlabs/django-oscar-paypal.git (to master) to /private/var/folders/jd/_n63dfns725fv3xw4cwn1zlm5n_mrd/T/pip-npPjCb-build
fatal: unable to access 'https://github.com/tangentlabs/django-oscar-paypal.git/': Failed to connect to github.com port 443: Operation timed out
Command "git clone -q https://github.com/tangentlabs/django-oscar-paypal.git /private/var/folders/jd/_n63dfns725fv3xw4cwn1zlm5n_mrd/T/pip-npPjCb-build" failed with error code 128 in None

Compare this to trying to install a package from PyPI, which will have retries

pip install lxml
Collecting lxml
  Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x105983b50>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /simple/lxml/
  Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x105983910>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /simple/lxml/
  Retrying (Retry(total=2, connect=None, read=None, redirect=None)) after connection broken by 'NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x1059830d0>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /simple/lxml/
  Retrying (Retry(total=1, connect=None, read=None, redirect=None)) after connection broken by 'NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x105983750>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /simple/lxml/
  Retrying (Retry(total=0, connect=None, read=None, redirect=None)) after connection broken by 'NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x105983310>: Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /simple/lxml/
  Could not find a version that satisfies the requirement lxml (from versions: )
No matching distribution found for lxml

[pradyunsg]

Hey @rsennewald! Thanks for filing this issue!

I'll look into it soon, when I find the time. :)

[Balaji-Gopal]

Sometimes the antivirus software that user you are using also blocks the pip requests, So disable the antivirus which you are using and try again :)

[pradyunsg]

I never found the time, and it looks like a network connectivity issue. Closing this out, on the grounds that you've likely worked around this at some point in the las 5 years. :)