[docs]
def diff(x1, x2, reporter=None):
"""Return 0 if and only if the XML has the same content."""
compare = xml_compare(x1, x2, reporter)
return_val = 0 if compare else 1
return return_val
# From
# bitbucket.org/ianb/formencode/src/tip/formencode/doctest_xml_compare.py
# with (PSF license)
[docs]
def xml_compare(x1, x2, reporter=None):
if reporter is None:
def reporter(x):
return None
if x1.tag != x2.tag:
reporter(f"Tags do not match: {x1.tag} and {x2.tag}\n")
return False
for name, value in x1.attrib.items():
if x2.attrib.get(name) != value:
reporter("Attributes do not match: %s=%r, %s=%r\n" % (name, value, name, x2.attrib.get(name)))
return False
for name in x2.attrib.keys():
if name not in x1.attrib:
reporter("x2 has an attribute x1 is missing: %s\n" % name)
return False
if not text_compare(x1.text, x2.text):
reporter(f"text: {x1.text!r} != {x2.text!r}\n")
return False
if not text_compare(x1.tail, x2.tail):
reporter(f"tail: {x1.tail!r} != {x2.tail!r}\n")
return False
return _compare_children(x1, x2, reporter)
def _compare_children(x1, x2, reporter):
cl1 = list(x1)
cl2 = list(x2)
if len(cl1) != len(cl2):
reporter("children length differs, %i != %i\n" % (len(cl1), len(cl2)))
return False
i = 0
for c1, c2 in zip(cl1, cl2):
i += 1
if not xml_compare(c1, c2, reporter=reporter):
reporter("children %i do not match: %s\n" % (i, c1.tag))
return False
return True
[docs]
def text_compare(t1, t2):
if not t1 and not t2:
return True
return (t1 or "").strip() == (t2 or "").strip()