[Erp5-report] r35579 nicolas - /erp5/trunk/utils/erp5diff/ERP5Diff.py
nobody at svn.erp5.org
nobody at svn.erp5.org
Mon May 24 17:47:55 CEST 2010
Author: nicolas
Date: Mon May 24 17:47:53 2010
New Revision: 35579
URL: http://svn.erp5.org?rev=35579&view=rev
Log:
Use better algorithm to compare two xml nodes.
Modified:
erp5/trunk/utils/erp5diff/ERP5Diff.py
Modified: erp5/trunk/utils/erp5diff/ERP5Diff.py
URL: http://svn.erp5.org/erp5/trunk/utils/erp5diff/ERP5Diff.py?rev=35579&r1=35578&r2=35579&view=diff
==============================================================================
--- erp5/trunk/utils/erp5diff/ERP5Diff.py [utf8] (original)
+++ erp5/trunk/utils/erp5diff/ERP5Diff.py [utf8] Mon May 24 17:47:53 2010
@@ -40,13 +40,17 @@
class FileContentNotEqual(Exception):
pass
-def fileComparisonIterator(file1, file2):
- value1 = file1.next()
- value2 = file2.next()
- if value1 == value2:
- yield value1, value2
- else:
- raise FileContentNotEqual
+def isNodeEquals(old, new):
+ if old.tag != new.tag or old.attrib != new.attrib:
+ return False
+ if old.text != new.text or old.tail != new.tail:
+ return False
+ if len(old) != len(new):
+ return False
+ for old_child, new_child in zip(old, new):
+ if not isNodeEquals(old_child, new_child):
+ return False
+ return True
class ERP5Diff:
"""
@@ -481,27 +485,12 @@
for old_index, old_element in enumerate(old_list):
if old_element not in old_candidate_list:
continue
- old_tree = deepcopy(old_element).getroottree()
- old_c14n = StringIO()
- old_tree.write_c14n(old_c14n)
- old_c14n.seek(0)
for new_element in new_list:
new_index = new_list.index(new_element)
if new_element not in new_candidate_list:
continue
- new_tree = deepcopy(new_element).getroottree()
- new_c14n = StringIO()
- new_tree.write_c14n(new_c14n)
- new_c14n.seek(0)
- file_equality = True
- try:
- #Use generator to avoid reading file entirely
- #Stop iteration at first difference
- list(fileComparisonIterator(old_c14n, new_c14n))
- except FileContentNotEqual:
- file_equality = False
- old_c14n.seek(0)
- if file_equality:
+ node_equality = isNodeEquals(old_element, new_element)
+ if node_equality:
index_key_on_new_tree = new_element.getparent().index(new_element)
old_new_index_mapping[index_key_on_new_tree] = old_element
new_start = new_index + 1
More information about the Erp5-report
mailing list