def _google_highlight_diffs(old, new):
"""Highlights the differences between old and new."""
textdiff = u"" # to store the final result
removed = u"" # the removed text that we might still want to add
diff = differencer.diff_main(old, new)
differencer.diff_cleanupSemantic(diff)
for op, text in diff:
if op == 0: # equality
if removed:
textdiff += '<span class="translate-diff-delete">%s</span>' % fancy_escape(
removed)
removed = u""
textdiff += fancy_escape(text)
elif op == 1: # insertion
if removed:
# this is part of a substitution, not a plain insertion. We
# will format this differently.
textdiff += '<span class="translate-diff-replace">%s</span>' % fancy_escape(
text)
removed = u""
else:
textdiff += '<span class="translate-diff-insert">%s</span>' % fancy_escape(
text)
elif op == -1: # deletion
removed = text
if removed:
textdiff += '<span class="translate-diff-delete">%s</span>' % fancy_escape(
removed)
return mark_safe(textdiff)
def _google_highlight_diffs(old, new):
"""Highlights the differences between old and new."""
textdiff = u"" # to store the final result
removed = u"" # the removed text that we might still want to add
diff = differencer.diff_main(old, new)
differencer.diff_cleanupSemantic(diff)
for op, text in diff:
if op == 0: # equality
if removed:
textdiff += '<span class="diff-delete">%s</span>' % fancy_escape(removed)
removed = u""
textdiff += fancy_escape(text)
elif op == 1: # insertion
if removed:
# this is part of a substitution, not a plain insertion. We
# will format this differently.
textdiff += '<span class="diff-replace">%s</span>' % fancy_escape(text)
removed = u""
else:
textdiff += '<span class="diff-insert">%s</span>' % fancy_escape(text)
elif op == -1: # deletion
removed = text
if removed:
textdiff += '<span class="diff-delete">%s</span>' % fancy_escape(removed)
return mark_safe(textdiff)
def _difflib_highlight_diffs(old, new):
"""Highlights the differences between old and new. The differences
are highlighted such that they show what would be required to
transform old into new.
"""
textdiff = ""
for tag, i1, i2, j1, j2 in SequenceMatcher(None, old, new).get_opcodes():
if tag == 'equal':
textdiff += fancy_escape(old[i1:i2])
if tag == "insert":
textdiff += '<span class="diff-insert">%s</span>' % fancy_escape(new[j1:j2])
if tag == "delete":
textdiff += '<span class="diff-delete">%s</span>' % fancy_escape(old[i1:i2])
if tag == "replace":
# We don't show text that was removed as part of a change:
#textdiff += "<span>%s</span>" % fance_escape(a[i1:i2])}
textdiff += '<span class="diff-replace">%s</span>' % fancy_escape(new[j1:j2])
return mark_safe(textdiff)
def _difflib_highlight_diffs(old, new):
"""Highlights the differences between old and new. The differences
are highlighted such that they show what would be required to
transform old into new.
"""
textdiff = ""
for tag, i1, i2, j1, j2 in SequenceMatcher(None, old, new).get_opcodes():
if tag == 'equal':
textdiff += fancy_escape(old[i1:i2])
if tag == "insert":
textdiff += '<span class="diff-insert">%s</span>' % fancy_escape(new[j1:j2])
if tag == "delete":
textdiff += '<span class="diff-delete">%s</span>' % fancy_escape(old[i1:i2])
if tag == "replace":
# We don't show text that was removed as part of a change:
#textdiff += "<span>%s</span>" % fance_escape(a[i1:i2])}
textdiff += '<span class="diff-replace">%s</span>' % fancy_escape(new[j1:j2])
return mark_safe(textdiff)
