Port slugify to Python3

jrnl/__init__.py

@@ -7,7 +7,7 @@ jrnl is a simple journal application for your command line.
 """
 
 __title__ = 'jrnl'
-__version__ = '1.7.5'
+__version__ = '1.7.6'
 __author__ = 'Manuel Ebert'
 __license__ = 'MIT License'
 __copyright__ = 'Copyright 2013 - 2014 Manuel Ebert'

jrnl/exporters.py

@@ -3,12 +3,10 @@
 
 import os
 import string
-try: from slugify import slugify
-except ImportError: import slugify
 try: import simplejson as json
 except ImportError: import json
-try: from .util import u
-except (SystemError, ValueError): from util import u
+try: from .util import u, slugify
+except (SystemError, ValueError): from util import u, slugify
 
 
 def get_tags_count(journal):

jrnl/util.py

@@ -15,6 +15,7 @@ import re
 import tempfile
 import subprocess
 import codecs
+import unicodedata
 
 PY3 = sys.version_info[0] == 3
 PY2 = sys.version_info[0] == 2
@@ -144,3 +145,14 @@ def colorize(string):
     """Returns the string wrapped in cyan ANSI escape"""
     return u"\033[36m{}\033[39m".format(string)
 
+def slugify(string):
+    """Slugifies a string.
+    Based on public domain code from https://github.com/zacharyvoase/slugify
+    and ported to deal with all kinds of python 2 and 3 strings
+    """
+    string = u(string)
+    ascii_string = str(unicodedata.normalize('NFKD', string).encode('ascii', 'ignore'))
+    no_punctuation = re.sub(r'[^\w\s-]', '', ascii_string).strip().lower()
+    slug = re.sub(r'[-\s]+', '-', no_punctuation)
+    return u(slug)
+