From a2cef35580a21435a714bee1f30e06c04b0c41ea Mon Sep 17 00:00:00 2001
From: Edwar Baron <edwar.baron@gmail.com>
Date: Fri, 9 Jan 2015 13:46:56 -0430
Subject: [PATCH] support python 3

---
 xhtml2pdf/parser.py              | 27 +++++++++++++++++++++------
 xhtml2pdf/util.py                |  7 ++++---
 xhtml2pdf/xhtml2pdf_reportlab.py |  6 +++---
 3 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/xhtml2pdf/parser.py b/xhtml2pdf/parser.py
index 85f98d63..d9d132ff 100644
--- a/xhtml2pdf/parser.py
+++ b/xhtml2pdf/parser.py
@@ -30,7 +30,17 @@
 import html5lib
 import logging
 import re
-import types
+
+import sys
+#support python 3
+#import types
+if sys.version[0] == '2':
+    StringTypes = (str,unicode)
+else:
+    StringTypes = (str,)
+TupleType = tuple
+ListType = list
+
 import xhtml2pdf.w3c.cssDOMElementInterface as cssDOMElementInterface
 import xml.dom.minidom
 
@@ -66,11 +76,16 @@ def pisaGetAttributes(c, tag, attributes):
         block, adef = TAGS[tag]
         adef["id"] = STRING
         # print block, adef
-        for k, v in adef.iteritems():
+        try:
+            iteritems = adef.iteritems()
+        except Exception:
+            iteritems = iter(adef.items())
+        
+        for k, v in iteritems:
             nattrs[k] = None
             # print k, v
             # defaults, wenn vorhanden
-            if type(v) == types.TupleType:
+            if type(v) == TupleType:
                 if v[1] == MUST:
                     if k not in attrs:
                         log.warn(c.warning("Attribute '%s' must be set!", k))
@@ -84,7 +99,7 @@ def pisaGetAttributes(c, tag, attributes):
                 dfl = None
 
             if nv is not None:
-                if type(v) == types.ListType:
+                if type(v) == ListType:
                     nv = nv.strip().lower()
                     if nv not in v:
                         #~ raise PML_EXCEPTION, "attribute '%s' of wrong value, allowed is one of: %s" % (k, repr(v))
@@ -647,8 +662,8 @@ def pisaParser(src, context, default_css="", xhtml=False, encoding=None, xml_out
     else:
         parser = html5lib.HTMLParser(tree=treebuilders.getTreeBuilder("dom"))
 
-    if type(src) in types.StringTypes:
-        if type(src) is types.UnicodeType:
+    if type(src) in StringTypes:
+        if type(src) is UnicodeType:
             # If an encoding was provided, do not change it.
             if not encoding:
                 encoding = "utf-8"
diff --git a/xhtml2pdf/util.py b/xhtml2pdf/util.py
index 5b4aa3bd..8bcb7845 100644
--- a/xhtml2pdf/util.py
+++ b/xhtml2pdf/util.py
@@ -75,7 +75,6 @@
 except:
     renderSVG = None
 
-
 #=========================================================================
 # Memoize decorator
 #=========================================================================
@@ -102,7 +101,10 @@ def __init__(self, func):
     def __call__(self, *args, **kwargs):
         # Make sure the following line is not actually slower than what you're
         # trying to memoize
-        args_plus = tuple(kwargs.iteritems())
+        if sys.version[0] == '2':
+            args_plus = tuple(kwargs.iteritems())
+        else:
+            args_plus = tuple(iter(kwargs.items()))
         key = (args, args_plus)
         try:
             if key not in self.cache:
@@ -119,7 +121,6 @@ def ErrorMsg():
     Helper to get a nice traceback as string
     """
     import traceback
-    import sys
 
     type = value = tb = limit = None
     type, value, tb = sys.exc_info()
diff --git a/xhtml2pdf/xhtml2pdf_reportlab.py b/xhtml2pdf/xhtml2pdf_reportlab.py
index 9814a724..c8b75dce 100644
--- a/xhtml2pdf/xhtml2pdf_reportlab.py
+++ b/xhtml2pdf/xhtml2pdf_reportlab.py
@@ -27,9 +27,11 @@
 from xhtml2pdf.reportlab_paragraph import Paragraph
 from xhtml2pdf.util import getUID, getBorderStyle
 
+import sys
+
 #support python 3
 #from types import StringType, TupleType, ListType, IntType
-StringType = str 
+StringType = str
 TupleType = tuple
 ListType = list
 IntType = int
@@ -46,8 +48,6 @@ class StringIO(object):
 import copy
 import logging
 import reportlab.pdfbase.pdfform as pdfform
-import sys
-
 
 try:
     import PIL.Image as PILImage