modify setup.py and manifest template to relocate normalizer

xml definition in a more suitable path.
Fix missing install of i18n directory.
Modify doc2RST to take an already configured gettext as argument.

MANIFEST.in

@@ -1,3 +1,4 @@
 include LICENSE INSTALL README.rst
 recursive-include tests *.py
 recursive-include normalizers *.xml *.template *.dtd
+recursive-include logsparser/i18n *.po *.mo

logsparser/normalizer.py

@@ -29,18 +29,12 @@
 
 import re
 import csv
-import gettext
 import warnings
 import math
 
 from lxml.etree import parse, tostring
 from datetime import datetime # pyflakes:ignore
 
-try:
-    _ = gettext.translation('normalizer', 'i18n').ugettext
-except:
-    _ = lambda x: x #pyflakes:ignore
-
 # the following symbols and modules are allowed for use in callbacks.
 SAFE_SYMBOLS = ["list", "dict", "tuple", "set", "long", "float", "object",
                 "bool", "callable", "True", "False", "dir",
@@ -639,9 +633,14 @@ def get_languages(self):
         return self.description.keys()
 
 # Documentation generator
-def doc2RST(description, lang = 'fr'):
+def doc2RST(description, gettext = None):
     """ Returns a RestructuredText documentation from
         a parser description.
+        @param description: the long description of the parser.
+        @param gettext: is the gettext method to use.
+                        You must configure gettext to use the domain 'normalizer' and
+                        select a language.
+                        eg. gettext.translation('normalizer', 'i18n', ['fr_FR']).ugettext
     """
 
     def escape(text):
@@ -650,6 +649,11 @@ def escape(text):
                 text.replace(c, "\\" + c)
         return text
 
+    if not gettext:
+        _ = lambda x: x
+    else:
+        _ = gettext
+
     template = _("""%(title)s
 
 **Written by**

setup.py

@@ -33,10 +33,11 @@ def read(fname):
 data = glob.glob('normalizers/*.xml')
 data.extend(glob.glob('normalizers/*.template'))
 data.extend(glob.glob('normalizers/*.dtd'))
+fr_trans = glob.glob('logsparser/i18n/fr_FR/LC_MESSAGES/normalizer.*')
 
 setup(
     name = "pylogsparser",
-    version = "0.1",
+    version = "0.3",
     author = "Wallix",
     author_email = "opensource@wallix.org",
     description = ("A log parser library packaged with a set of ready to use parsers (DHCPd, Squid, Apache, ...)"),
@@ -45,7 +46,8 @@ def read(fname):
     url = "http://www.wallix.org/pylogsparser-project/",
     package_dir={'logsparser.tests':'tests'}, 
     packages=['logsparser', 'logsparser.tests'],
-    data_files=[('share/normalizers', data)],
+    data_files=[('share/logsparser/normalizers', data),
+                ('share/logsparser/i18n/fr_FR/LC_MESSAGES/', fr_trans),],
     requires=['lxml', 'pytz'],
     long_description=read('README.rst'),
     # http://pypi.python.org/pypi?:action=list_classifiers