Used proper 2to3-converted pystache lib.

pystache/commands/render.py

@@ -22,7 +22,7 @@ except:
         from sys import exc_info
         ex_type, ex_value, tb = exc_info()
         new_ex = Exception("%s: %s" % (ex_type.__name__, ex_value))
-        raise new_ex.__class__, new_ex, tb
+        raise new_ex.__class__(new_ex).with_traceback(tb)
 
 # The optparse module is deprecated in Python 2.7 in favor of argparse.
 # However, argparse is not available in Python 2.6 and earlier.
@@ -88,7 +88,7 @@ def main(sys_argv=sys.argv):
         context = json.loads(context)
 
     rendered = renderer.render(template, context)
-    print rendered
+    print(rendered)
 
 
 if __name__=='__main__':

pystache/common.py

@@ -13,9 +13,9 @@ def _get_string_types():
     #   and byte strings, and 2to3 seems to convert all of "str", "unicode",
     #   and "basestring" to Python 3's "str".
     if version_info < (3, ):
-         return basestring
+         return str
     # The latter evaluates to "bytes" in Python 3 -- even after conversion by 2to3.
-    return (str, type(u"a".encode('utf-8')))
+    return (str, type("a".encode('utf-8')))
 
 
 _STRING_TYPES = _get_string_types()

pystache/context.py

@@ -15,6 +15,7 @@ spec, we define these categories mutually exclusively as follows:
 """
 
 from pystache.common import PystacheError
+import collections
 
 
 # This equals '__builtin__' in Python 2 and 'builtins' in Python 3.
@@ -69,7 +70,7 @@ def _get_value(context, key):
         else:
             # TODO: consider using EAFP here instead.
             #   http://docs.python.org/glossary.html#term-eafp
-            if callable(attr):
+            if isinstance(attr, collections.Callable):
                 return attr()
             return attr
 

pystache/defaults.py

@@ -39,7 +39,7 @@ STRING_ENCODING = sys.getdefaultencoding()
 FILE_ENCODING = sys.getdefaultencoding()
 
 # The delimiters to start with when parsing.
-DELIMITERS = (u'{{', u'}}')
+DELIMITERS = ('{{', '}}')
 
 # How to handle missing tags when rendering a template.
 MISSING_TAGS = MissingTags.ignore

pystache/loader.py

@@ -86,7 +86,7 @@ class Loader(object):
     def _make_locator(self):
         return Locator(extension=self.extension)
 
-    def unicode(self, s, encoding=None):
+    def str(self, s, encoding=None):
         """
         Convert a string to unicode using the given encoding, and return it.
 
@@ -119,7 +119,7 @@ class Loader(object):
         if encoding is None:
             encoding = self.file_encoding
 
-        return self.unicode(b, encoding)
+        return self.str(b, encoding)
 
     def load_file(self, file_name):
         """

pystache/parsed.py

@@ -44,7 +44,7 @@ class ParsedTemplate(object):
             if type(node) is str:
                 return node
             return node.render(engine, context)
-        parts = map(get_unicode, self._parse_tree)
+        parts = list(map(get_unicode, self._parse_tree))
         s = ''.join(parts)
 
         return str(s)

pystache/parser.py

@@ -9,9 +9,10 @@ import re
 
 from pystache import defaults
 from pystache.parsed import ParsedTemplate
+import collections
 
 
-END_OF_LINE_CHARACTERS = [u'\r', u'\n']
+END_OF_LINE_CHARACTERS = ['\r', '\n']
 NON_BLANK_RE = re.compile(r'^(.)', re.M)
 
 
@@ -30,8 +31,8 @@ def parse(template, delimiters=None):
 
     Examples:
 
-    >>> parsed = parse(u"Hey {{#who}}{{name}}!{{/who}}")
-    >>> print str(parsed).replace('u', '')  # This is a hack to get the test to pass both in Python 2 and 3.
+    >>> parsed = parse("Hey {{#who}}{{name}}!{{/who}}")
+    >>> print(str(parsed).replace('u', ''))  # This is a hack to get the test to pass both in Python 2 and 3.
     ['Hey ', _SectionNode(key='who', index_begin=12, index_end=21, parsed=[_EscapeNode(key='name'), '!'])]
 
     """
@@ -94,7 +95,7 @@ class _CommentNode(object):
         return _format(self)
 
     def render(self, engine, context):
-        return u''
+        return ''
 
 
 class _ChangeNode(object):
@@ -106,7 +107,7 @@ class _ChangeNode(object):
         return _format(self)
 
     def render(self, engine, context):
-        return u''
+        return ''
 
 
 class _EscapeNode(object):
@@ -168,7 +169,7 @@ class _InvertedNode(object):
         # Note that lambdas are considered truthy for inverted sections
         # per the spec.
         if data:
-            return u''
+            return ''
         return self.parsed_section.render(engine, context)
 
 
@@ -193,7 +194,7 @@ class _SectionNode(object):
 
         parts = []
         for val in values:
-            if callable(val):
+            if isinstance(val, collections.Callable):
                 # Lambdas special case section rendering and bypass pushing
                 # the data value onto the context stack.  From the spec--
                 #
@@ -376,3 +377,4 @@ class _Parser(object):
             return _InvertedNode(tag_key, parsed_section)
 
         raise Exception("Invalid symbol for section tag: %s" % repr(tag_type))
+

pystache/renderengine.py

@@ -9,6 +9,7 @@ import re
 
 from pystache.common import is_string
 from pystache.parser import parse
+import collections
 
 
 def context_get(stack, name):
@@ -104,7 +105,7 @@ class RenderEngine(object):
         """
         val = self.resolve_context(context, name)
 
-        if callable(val):
+        if isinstance(val, collections.Callable):
             # Return because _render_value() is already a string.
             return self._render_value(val(), context)
 
@@ -160,7 +161,7 @@ class RenderEngine(object):
         if not is_string(val):
             # In case the template is an integer, for example.
             val = self.to_str(val)
-        if type(val) is not unicode:
+        if type(val) is not str:
             val = self.literal(val)
         return self.render(val, context, delimiters)
 

pystache/renderer.py

@@ -32,7 +32,7 @@ class Renderer(object):
     >>> partials = {'partial': 'Hello, {{thing}}!'}
     >>> renderer = Renderer(partials=partials)
     >>> # We apply print to make the test work in Python 3 after 2to3.
-    >>> print renderer.render('{{>partial}}', {'thing': 'world'})
+    >>> print(renderer.render('{{>partial}}', {'thing': 'world'}))
     Hello, world!
 
     To customize string coercion (e.g. to render False values as ''), one can
@@ -179,7 +179,7 @@ class Renderer(object):
         # We avoid the Python ternary operator for Python 2.4 support.
         if isinstance(s, str):
             return s
-        return self.unicode(s)
+        return self.str(s)
 
     def _to_unicode_hard(self, s):
         """
@@ -197,7 +197,7 @@ class Renderer(object):
         """
         return str(self.escape(self._to_unicode_soft(s)))
 
-    def unicode(self, b, encoding=None):
+    def str(self, b, encoding=None):
         """
         Convert a byte string to unicode, using string_encoding and decode_errors.
 
@@ -230,7 +230,7 @@ class Renderer(object):
 
         """
         return Loader(file_encoding=self.file_encoding, extension=self.file_extension,
-                      to_unicode=self.unicode, search_dirs=self.search_dirs)
+                      to_unicode=self.str, search_dirs=self.search_dirs)
 
     def _make_load_template(self):
         """
@@ -299,7 +299,7 @@ class Renderer(object):
             try:
                 return load_partial(name)
             except TemplateNotFoundError:
-                return u''
+                return ''
 
         return resolve_partial
 
@@ -316,7 +316,7 @@ class Renderer(object):
             try:
                 return context_get(stack, name)
             except KeyNotFoundError:
-                return u''
+                return ''
 
         return resolve_context
 
@@ -458,3 +458,4 @@ class Renderer(object):
         # Otherwise, we assume the template is an object.
 
         return self._render_object(template, *context, **kwargs)
+

pystache/specloader.py

@@ -83,7 +83,7 @@ class SpecLoader(object):
 
         """
         if spec.template is not None:
-            return self.loader.unicode(spec.template, spec.template_encoding)
+            return self.loader.str(spec.template, spec.template_encoding)
 
         path = self._find(spec)