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yet another library of debsign

Project description

Status Documentation Status


debsign is a command of devscripts that sign a Debian .changes and .dsc file pare using GPG, the command cannot use in environment witout TTY, for example invokeking by CI.

I had tried to use debsign from subprocess module of Python as follow, but entering passphrase prompt is always returned. It was the same in the case of using gnupg-agent and keyring.:

>>> import subprocess
>>> import shlex
>>> command0 = 'echo -e "%s\n%s\n"' % (`passphrase`, `passphrase`)
>>> command1 = '/usr/bin/debsign -k %s %s' % (`keyid`, `.changes`)
>>> process0 = subprocess.Popen(shlex.split(command0),
...                             stdin=subprocess.PIPE,
...                             stdout=subprocess.PIPE,
...                             stderr=subprocess.PIPE)
>>> process1 = subprocess.Popen(shlex.split(command1),
...                             stdin=process0.stdout,
...                             stdout=subprocess.PIPE,
...                             stderr=subprocess.PIPE)
>>> stdout, stderr = process.communicate()

So, I decided to make a Python library to do the same behavior debsign.


  • It is enable to sign .changes and .dsc files with GPG without the input of interactive passphrase.
  • It can also be used by a user can not login shell on the CI, such as Jenkins.


  • Debian system, or the system derived from Debian.
    • Debian GNU/Linux Wheezy
    • Debian GNU/Linux Jessie/Sid
    • Ubuntu 14.04 LTS
  • Debian package as follows;
    • gnupg
    • dput
    • lintian
    • python (= python2.7) or python3
  • Python packages as follows;
    • python_gnupg (as debian package is python-gnupg or python3-gnupg)
    • python_debian (as debian package is python-debian or python3-debian)
    • chardet (as debian package is python-chardet or python3-chardet)


Generic usage;:

>>> from pydebsign import debsign
>>> debsign.debsign_process('/path/to/some.changes', passphrase='secretkey')

When use another GPG Keyring instead of default GPG keyring;:

>>> from pydebsign import debsign
>>> debsign.debsign_process('/path/to/some.changes', passphrase='secretkey',
...                         keyid='keyid', gnupghome='/path/to/gpghome')


0.1.5 (2015-08-25)

  • Changes Sphinx theme to sphinx_rtd_theme.
  • Merge pull request #9 from mkouhei/travis-packages
  • Adds execute apt-get update.
  • Enabled sudo explicitly.

0.1.4 (2014-12-21)

  • Unsupported Python 3.2
  • Added Sphinx documents and applied Read the docs
  • Migrated pep8, pyflakes, pychecker, pylint to Tox

0.1.3 (2014-05-31)

  • Fixed #6 dput check local section is failed
  • Unsupported Python2.6

0.1.2 (2014-05-27)

  • Fixed #3 cannot decode umlaut.

0.1.1 (2014-05-26)

  • Resolved the backward compatibility for python_gnupg 0.3.0 (Wheezy version).

0.1.0 (2014-05-26)

  • Initial release


  • Adding command line interface.

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