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-rw-r--r--gnu/packages/patches/python-genshi-add-support-for-python-3.4-AST.patch151
1 files changed, 151 insertions, 0 deletions
diff --git a/gnu/packages/patches/python-genshi-add-support-for-python-3.4-AST.patch b/gnu/packages/patches/python-genshi-add-support-for-python-3.4-AST.patch
new file mode 100644
index 0000000000..4e40c1daa1
--- /dev/null
+++ b/gnu/packages/patches/python-genshi-add-support-for-python-3.4-AST.patch
@@ -0,0 +1,151 @@
+From 86b98a11559da7d1b21dc9b4c6b10511b9095bc4 Mon Sep 17 00:00:00 2001
+From: Simon Cross <hodgestar@gmail.com>
+Date: Sun, 16 Feb 2014 18:46:15 +0000
+Subject: [PATCH 05/16] Add support for Python 3.4 AST (support for
+ NameConstants and changes to existing to arguments node attributes).
+
+---
+ genshi/template/astutil.py | 31 ++++++++++++++++++++++++++++---
+ genshi/template/eval.py | 34 +++++++++++++++++++---------------
+ 2 files changed, 47 insertions(+), 18 deletions(-)
+
+diff --git a/genshi/template/astutil.py b/genshi/template/astutil.py
+index a4c21c8..a3946b4 100644
+--- a/genshi/template/astutil.py
++++ b/genshi/template/astutil.py
+@@ -21,7 +21,7 @@ else:
+ def parse(source, mode):
+ return compile(source, '', mode, _ast.PyCF_ONLY_AST)
+
+-from genshi.compat import IS_PYTHON2
++from genshi.compat import IS_PYTHON2, isstring
+
+ __docformat__ = 'restructuredtext en'
+
+@@ -103,8 +103,13 @@ class ASTCodeGenerator(object):
+ self._new_line()
+ return self.visit(node.body)
+
++ # Python < 3.4
+ # arguments = (expr* args, identifier? vararg,
+ # identifier? kwarg, expr* defaults)
++ #
++ # Python >= 3.4
++ # arguments = (arg* args, arg? vararg, arg* kwonlyargs, expr* kw_defaults,
++ # arg? kwarg, expr* defaults)
+ def visit_arguments(self, node):
+ first = True
+ no_default_count = len(node.args) - len(node.defaults)
+@@ -122,13 +127,21 @@ class ASTCodeGenerator(object):
+ self._write(', ')
+ else:
+ first = False
+- self._write('*' + node.vararg)
++ self._write('*')
++ if isstring(node.vararg):
++ self._write(node.vararg)
++ else:
++ self.visit(node.vararg)
+ if getattr(node, 'kwarg', None):
+ if not first:
+ self._write(', ')
+ else:
+ first = False
+- self._write('**' + node.kwarg)
++ self._write('**')
++ if isstring(node.kwarg):
++ self._write(node.kwarg)
++ else:
++ self.visit(node.kwarg)
+
+ if not IS_PYTHON2:
+ # In Python 3 arguments get a special node
+@@ -724,6 +737,17 @@ class ASTCodeGenerator(object):
+ def visit_Name(self, node):
+ self._write(node.id)
+
++ # NameConstant(singleton value)
++ def visit_NameConstant(self, node):
++ if node.value is None:
++ self._write('None')
++ elif node.value is True:
++ self._write('True')
++ elif node.value is False:
++ self._write('False')
++ else:
++ raise Exception("Unknown NameConstant %r" % (node.value,))
++
+ # List(expr* elts, expr_context ctx)
+ def visit_List(self, node):
+ self._write('[')
+@@ -829,6 +853,7 @@ class ASTTransformer(object):
+ visit_Attribute = _clone
+ visit_Subscript = _clone
+ visit_Name = _clone
++ visit_NameConstant = _clone
+ visit_List = _clone
+ visit_Tuple = _clone
+
+diff --git a/genshi/template/eval.py b/genshi/template/eval.py
+index 89aec49..de4bc86 100644
+--- a/genshi/template/eval.py
++++ b/genshi/template/eval.py
+@@ -24,7 +24,8 @@ from genshi.template.astutil import ASTTransformer, ASTCodeGenerator, \
+ from genshi.template.base import TemplateRuntimeError
+ from genshi.util import flatten
+
+-from genshi.compat import get_code_params, build_code_chunk, IS_PYTHON2
++from genshi.compat import get_code_params, build_code_chunk, isstring, \
++ IS_PYTHON2
+
+ __all__ = ['Code', 'Expression', 'Suite', 'LenientLookup', 'StrictLookup',
+ 'Undefined', 'UndefinedError']
+@@ -495,28 +496,31 @@ class TemplateASTTransformer(ASTTransformer):
+ def __init__(self):
+ self.locals = [CONSTANTS]
+
++ def _process(self, names, node):
++ if not IS_PYTHON2 and isinstance(node, _ast.arg):
++ names.add(node.arg)
++ elif isstring(node):
++ names.add(node)
++ elif isinstance(node, _ast.Name):
++ names.add(node.id)
++ elif isinstance(node, _ast.alias):
++ names.add(node.asname or node.name)
++ elif isinstance(node, _ast.Tuple):
++ for elt in node.elts:
++ self._process(names, elt)
++
+ def _extract_names(self, node):
+ names = set()
+- def _process(node):
+- if not IS_PYTHON2 and isinstance(node, _ast.arg):
+- names.add(node.arg)
+- if isinstance(node, _ast.Name):
+- names.add(node.id)
+- elif isinstance(node, _ast.alias):
+- names.add(node.asname or node.name)
+- elif isinstance(node, _ast.Tuple):
+- for elt in node.elts:
+- _process(elt)
+ if hasattr(node, 'args'):
+ for arg in node.args:
+- _process(arg)
++ self._process(names, arg)
+ if hasattr(node, 'vararg'):
+- names.add(node.vararg)
++ self._process(names, node.vararg)
+ if hasattr(node, 'kwarg'):
+- names.add(node.kwarg)
++ self._process(names, node.kwarg)
+ elif hasattr(node, 'names'):
+ for elt in node.names:
+- _process(elt)
++ self._process(names, elt)
+ return names
+
+ def visit_Str(self, node):
+--
+2.12.0
+