subprocess svn checkout password issue
Dan Sommers
2QdxY4RzWzUUiLuE at potatochowder.com
Sat Mar 16 07:19:32 EDT 2019
On 3/16/19 1:50 AM, Martin De Kauwe wrote:
> On Saturday, 16 March 2019 16:50:23 UTC+11, dieter wrote:
>> Martin De Kauwe <mdekauwe at gmail.com> writes:
>>
>> > I'm trying to write a script that will make a checkout from a svn repo and build the result for the user. However, when I attempt to interface with the shell it asks the user for their filename and I don't know how to capture this with my implementation.
[...]
>> That is non-trivial.
>>
>> Read the "svn" documentation. You might be able to pass in the
>> required information by other means, maybe an option, maybe
>> an envvar, maybe via a configuration file.
>>
>> Otherwise, you must monitor what it written to the subprocess'
>> "stdout" and "stderr", recognized the interaction request
>> perform the interaction with the user and send the result
>> to the subprocess' stdin.
>
> Thanks, I think this solution will work.
>
> import subprocess
> import getpass
>
> user = "XXX578"
> root="https://trac.nci.org.au/svn/cable"
> repo_name = "CMIP6-MOSRS"
>
> pswd = "'" + getpass.getpass('Password:') + "'"
> cmd = "svn checkout %s/branches/Users/%s/%s --password %s" %\
> (root, user, repo_name, pswd)
I'm not questioning whether or not that will work, but I will
point out that the password will be exposed to anyone doing a
process listing when that process is running (e.g., "ps -ef"
on a posix-like system). This may or may not be an issue for
your use case.
> error = subprocess.call(cmd, shell=True)
> if error is 1:
> raise("Error checking out repo")
>
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