def _get_version_diffs_for_obj(obj, limit):
version_list = revisions.get_for_object(obj)
fields = [field for field in obj._meta.fields]
version_diffs, last_edited = [], None
if len(version_list) > 1:
last_edited = version_list[0].revision.date_created
old_versions = version_list[1:limit + 1]
for iversion, version in enumerate(old_versions):
newer_version = version_list[iversion]
diff_dict = {}
for field in fields:
if generate_patch(version, newer_version, field.name):
# If versions differ, generate a pretty html diff
diff_html = generate_patch_html(
version, newer_version, field.name)
diff_dict[field.name] = (
version.field_dict[field.name],
newer_version.field_dict[field.name],
diff_html,
)
version_diffs.append({
'diff_dict': diff_dict,
'user': newer_version.revision.user,
'date': newer_version.revision.date_created,
})
return version_diffs, last_edited
def testCanGeneratePatch(self):
"""Tests that text and HTML patches can be generated."""
version_0 = Version.objects.get_for_object(self.site)[0]
version_1 = Version.objects.get_for_object(self.site)[1]
self.assertEqual(generate_patch(version_0, version_1, "domain"),
"@@ -10,9 +10,9 @@\n rev-\n-1\n+2\n .com\n")
self.assertEqual(generate_patch_html(version_0, version_1, "domain"),
u'<SPAN TITLE="i=0">www.site-rev-</SPAN><DEL STYLE="background:#FFE6E6;" TITLE="i=13">1</DEL><INS STYLE="background:#E6FFE6;" TITLE="i=13">2</INS><SPAN TITLE="i=14">.com</SPAN>')
def get_revisions(self, obj):
reversions = list(reversion.get_for_object(obj))
zipped_reversions = zip(reversions + [None], [None] + reversions)[1:-1]
results = []
for new, old in zipped_reversions:
diff = []
for field_name in new.field_dict.keys():
if generate_patch(old, new, field_name):
diff += [(field_name, generate_patch_html(old, new, field_name))]
results += [{
'user': UserSerializer(new.revision.user).data,
'revision': new.field_dict,
'timestamp': new.revision.date_created,
'diff': dict(diff),
}]
return results
def testCanGeneratePatch(self):
self.assertEqual(
generate_patch(self.version1, self.version2, "name"),
"@@ -17,9 +17,9 @@\n version\n-1\n+2\n",
)
def testCanGeneratePatch(self):
"""Tests that text patches can be generated."""
self.assertEqual(generate_patch(self.test_0, self.test_1, "name"),
"@@ -3,5 +3,5 @@\n st1.\n-0\n+1\n")
def testCanGeneratePatch(self):
self.assertEqual(
generate_patch(self.version1, self.version2, "name"),
"@@ -17,9 +17,9 @@\n version\n-1\n+2\n",
)
def testCanGeneratePatch(self):
"""Tests that text patches can be generated."""
self.assertEqual(generate_patch(self.test_0, self.test_1, "name"),
"@@ -3,5 +3,5 @@\n st1.\n-0\n+1\n")
