def __init__(self, first, second):
self.first = lxml.etree.parse(first).getroot()
self.second = lxml.etree.parse(second).getroot()
self.pce = SysInfoProcessCall()
self.diff_output = []
class SysInfoDiffXml(object):
"""Handles comparision of two files."""
cmd = ""
def __init__(self, first, second):
self.first = lxml.etree.parse(first).getroot()
self.second = lxml.etree.parse(second).getroot()
self.pce = SysInfoProcessCall()
self.diff_output = []
def get_diff_output(self):
"""Return result of diff.
:return: result of diff
:rtype: string
"""
return self.diff_output
def diff_process(self, arg):
"""Process the diff.
:param arg: arguments from command line
:type arg: object
:return: nothing
"""
try:
if arg.section:
sel_first = self.first.xpath("//section[contains(@id, \
'"+arg.section+"')]")
sel_second = self.second.xpath("//section[contains(@id \
, '"+arg.section+"')]")
elif arg.function:
sel_first = self.first.xpath("//section/function[contains \
(@id, '"+arg.function+"')]")
sel_second = self.second.xpath("//section/function[contains \
(@id, '"+arg.function+"')]")
elif arg.significance:
sel_first = self.first.xpath("//section/function[contains \
(@significance, '"+arg.significance+"')]")
sel_second = self.second.xpath("//section/function[contains \
(@significance, '"+arg.significance+"')]")
elif arg.xpath:
sel_first = self.first.xpath(arg.xpath)
sel_second = self.second.xpath(arg.xpath)
else:
sel_first = self.first.xpath("//section/function")
sel_second = self.second.xpath("//section/function")
for elem1 in sel_first:
fd1, temp_path1 = tempfile.mkstemp(text=True)
file1 = os.fdopen(fd1, 'w+t')
fd2, temp_path2 = tempfile.mkstemp(text=True)
file2 = os.fdopen(fd2, 'w+t')
file1.write(lxml.etree.tostring(elem1))
file1.read()
for elem2 in sel_second:
if elem1.attrib['id'] == elem2.attrib['id']:
file2.write(lxml.etree.tostring(elem2))
file2.read()
if arg.changes:
self.cmd = "sdiff -s -t -w "+arg.width\
+" "+temp_path1+" "+temp_path2
else:
self.cmd = "sdiff -t -w "+arg.width\
+" "+temp_path1+" "+temp_path2
self.pce.execute_process(self.cmd)
self.diff_output.append(self.pce.get_process_stdout())
os.remove(temp_path1)
os.remove(temp_path2)
except lxml.etree.XPathSyntaxError as ex_error:
LOGGER.exception('XPath syntax error: {}'.format(ex_error))
except lxml.etree.XPathEvalError as ex_error:
LOGGER.exception('XPath evaluation error: {}'.format(ex_error))
