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Create temporary git repos in python.

Project description

Impermagit makes it easier to test python programs that use / integrate with git. For example:

from impermagit import fleeting_repo

with fleeting_repo() as repo:
    # there is not a git repo created in a temporary dir
    # somewhere, allowing you to do things like:

    # add some files with some contents and commit them
    repo.commit([('test.txt', 'test contents\n'),
                 ('subdir/test2.txt', 'other contents\n')])

    # update contents
    repo.commit([('test.txt', 'new test contents\n')])

    # git rm files by passing None as contents
    repo.commit([('subdir/test.txt', None)])

    # run arbitrary git cmds in the repo when you don't care
    # about the output (will raise a GitExeException if it
    # fails)
    repo.do_git(["rm", "some-other-file.txt"])

    # run arbitrary git cmds in the repo and get back
    # stdout / stderr.
    with repo.yield_git(["log"]) as (out, err):
        print out.read()
        print err.read()

 # and here, the repo is gone and the temporary dir deleted.

You can also create a Repo object directly, if you’d prefer to control the lifecycle more closely:

from imperagit import Repo

repo = Repo('/some/dir/you/manage')

By default, Imperagit uses “/usr/bin/env git” as the git executable, but this can be overridden with the git_exe arg to both fleeting_repo and Repo.

You can see more detailed docs with the interactive help:

>>> import impermagit
>>> help(impermagit)

Impermagit requires Python 2.6+, and has not been tested with Python 3.

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