diff --git a/pubs/bibstruct.py b/pubs/bibstruct.py
index c3e481e..c8f942a 100644
--- a/pubs/bibstruct.py
+++ b/pubs/bibstruct.py
@@ -1,7 +1,7 @@
 import unicodedata
 import re
 
-from .p3 import ustr
+from .p3 import ustr, unichr
 
     # citekey stuff
 
diff --git a/pubs/content.py b/pubs/content.py
index 8b89b31..f113f9b 100644
--- a/pubs/content.py
+++ b/pubs/content.py
@@ -3,9 +3,7 @@ import subprocess
 import tempfile
 import shutil
 
-import urlparse
-import httplib
-import urllib2
+from .p3 import urlparse, HTTPConnection, urlopen
 
 
 # files i/o
@@ -62,7 +60,7 @@ def system_path(path):
 # dealing with formatless content
 
 def content_type(path):
-    parsed = urlparse.urlparse(path)
+    parsed = urlparse(path)
     if parsed.scheme == 'http':
         return 'url'
     else:
@@ -70,8 +68,8 @@ def content_type(path):
 
 
 def url_exists(url):
-    parsed = urlparse.urlparse(url)
-    conn = httplib.HTTPConnection(parsed.netloc)
+    parsed = urlparse(url)
+    conn = HTTPConnection(parsed.netloc)
     conn.request('HEAD', parsed.path)
     response = conn.getresponse()
     conn.close()
diff --git a/pubs/filebroker.py b/pubs/filebroker.py
index fe1218c..73b3ad6 100644
--- a/pubs/filebroker.py
+++ b/pubs/filebroker.py
@@ -1,6 +1,6 @@
 import os
 import re
-import urlparse
+from .p3 import urlparse
 
 from .content import (check_file, check_directory, read_file, write_file,
                       system_path, check_content, content_type, get_content)
@@ -122,7 +122,7 @@ class DocBroker(object):
 
     def in_docsdir(self, docpath):
         try:
-            parsed = urlparse.urlparse(docpath)
+            parsed = urlparse(docpath)
         except Exception:
             return False
         return parsed.scheme == self.scheme
@@ -136,7 +136,7 @@ class DocBroker(object):
             Return absoluted paths of regular ones otherwise.
         """
         if self.in_docsdir(docpath):
-            parsed = urlparse.urlparse(docpath)
+            parsed = urlparse(docpath)
             if parsed.path == '':
                 docpath = os.path.join(self.docdir, parsed.netloc)
             else:
diff --git a/pubs/p3.py b/pubs/p3.py
index 4897960..ed9c406 100644
--- a/pubs/p3.py
+++ b/pubs/p3.py
@@ -5,11 +5,19 @@ if sys.version_info[0] == 2:
     import StringIO as io
     input = raw_input
     ustr = unicode
+    from urlparse import urlparse
+    from urllib2 import urlopen
+    from httplib import HTTPConnection
 else:
     import configparser
     import io
     ustr = str
+    from urllib.parse import urlparse
+    from urllib.request import urlopen
+    from http.client import HTTPConnection
+    unichr = chr
 
 configparser = configparser
 io = io
 input = input
+unichr = unichr