Add Python 2.6 support back.

Closes #242.

bin/autojump

@@ -21,7 +21,6 @@
 
 from __future__ import print_function
 
-from argparse import ArgumentParser
 from difflib import SequenceMatcher
 from itertools import chain
 from math import sqrt
@@ -39,6 +38,8 @@ else:
     from itertools import ifilter
     from itertools import imap
 
+from autojump_argparse import ArgumentParser
+
 from autojump_data import dictify
 from autojump_data import entriefy
 from autojump_data import Entry
@@ -206,7 +207,6 @@ def handle_tab_completion(needle, entries):
                 TAB_SEPARATOR)
 
 
-
 def match_anywhere(needles, haystack, ignore_case=False):
     """
     Matches needles anywhere in the path as long as they're in the same (but
@@ -334,7 +334,7 @@ def print_stats(data, data_path):
     print("\ndata:\t %s" % data_path)
 
 
-def main(args):
+def main(args):  # noqa
     config = set_defaults()
 
     # all arguments are mutually exclusive

bin/autojump_utils.py

@@ -31,14 +31,16 @@ def create_dir(path):
 def decode(string):
     """Converts byte string to Unicode string."""
     if is_python2():
-        return string.decode('utf-8', errors='replace')
+        # Python 2.6 does not support kwargs
+        return string.decode('utf-8', 'replace')
     return string
 
 
 def encode(string):
     """Converts Unicode string to byte string."""
     if is_python2():
-        return string.encode('utf-8', errors='replace')
+        # Python 2.6 does not support kwargs
+        return string.encode('utf-8', 'replace')
     return string
 
 
@@ -192,8 +194,9 @@ def surround_quotes(string):
     Bash has problems dealing with certain paths so we're surrounding all
     path outputs with quotes.
     """
-    if in_bash():
-        return '"{}"'.format(string)
+    if in_bash() and string:
+        # Python 2.6 requres field numbers
+        return '"{0}"'.format(string)
     return string