Support bzip2 and lzma/xz compressed man pages

Add support for bzip2 and lzma/xz compressed man pages.  Support for bzip2 is
part of the Python standard library (at least for 2.7 and >=3.2), while lzma/xz
is only in Python >=3.3; however, there is a backports module for Python 2.7 and
3.2.
This commit is contained in:
Marc Joliet 2013-09-24 15:42:32 +02:00
parent 735af50ce9
commit 4340368277

View file

@ -17,9 +17,14 @@ Redistributions in binary form must reproduce the above copyright notice, this l
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
import string, sys, re, os.path, gzip, traceback, getopt, errno, codecs
import string, sys, re, os.path, bz2, gzip, traceback, getopt, errno, codecs
from deroff import Deroffer
try:
import backports.lzma as lzma
except:
import lzma
# Whether we're Python 3
IS_PY3 = sys.version_info[0] >= 3
@ -717,6 +722,14 @@ def parse_manpage_at_path(manpage_path, output_directory):
fd = gzip.open(manpage_path, 'r')
manpage = fd.read()
if IS_PY3: manpage = manpage.decode('latin-1')
if manpage_path.endswith('.bz2'):
fd = bz2.BZ2File(manpage_path, 'r')
manpage = fd.read()
if IS_PY3: manpage = manpage.decode('latin-1')
elif manpage_path.endswith('.xz') or manpage_path.endswith('.lzma'):
fd = lzma.LZMAFile(str(manpage_path), 'r')
manpage = fd.read()
if IS_PY3: manpage = manpage.decode('latin-1')
else:
if IS_PY3:
fd = open(manpage_path, 'r', encoding='latin-1')