code: def get_version(version):
      "Returns a PEP 386-compliant version number from *version*."
      assert len(version) == 5
      assert version[3] in ('alpha', 'beta', 'rc', 'final')
      parts = 2 if version[2] == 0 else 3
      main = '.'.join(map(str, version[:parts]))
      sub = ''
      if version[3] == 'alpha' and version[4] == 0:
          git_changeset = get_git_changeset()
          if git_changeset:
              sub = '.dev%s' % git_changeset
      elif version[3] != 'final':
          mapping = {'alpha': 'a', 'beta': 'b', 'rc': 'c'}
          sub = mapping[version[3]] + str(version[4])
      return main + suf get_version(version):
      "Returns a PEP 386-compliant version number from *version*."
      assert len(version) == 5
      assert version[3] in ('alpha', 'beta', 'rc', 'final')
      parts = 2 if version[2] == 0 else 3
      main = '.'.join(map(str, version[:parts]))
      sub = ''
      if version[3] == 'alpha' and version[4] == 0:
          git_changeset = get_git_changeset()
          if git_changeset:
              sub = '.dev%s' % git_changeset
      elif version[3] != 'final':
          mapping = {'alpha': 'a', 'beta': 'b', 'rc': 'c'}
          sub = mapping[version[3]] + str(version[4])
      return main + sub
docs: Returns a PEP 386-compliant version number from *version*.