def test_profile_parser(self):
"""
Verify that the function parse_profile produces the expected output.
"""
with contextlib.closing(StringIO()) as stream:
with contextlib.redirect_stdout(stream):
cProfile.run('print()')
stream.seek(0)
actual = list(parse_profile(stream))
expected = [[
'ncalls', 'tottime', 'percall', 'cumtime', 'percall',
'filename:lineno(function)'
], [
'1', '0.000', '0.000', '0.000', '0.000', '<string>:1(<module>)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method builtins.exec}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method builtins.print}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
"{method 'disable' of '_lsprof.Profiler' objects}"
]]
self.assertListEqual(actual, expected)
def profile_table(self):
for n, columns in enumerate(parse_profile(self.pyprofile)):
location = columns[-1]
if n and '{' not in location and '<' not in location:
r = re.compile('(?P<src>.*\.py)\:(?P<num>[0-9]+).*')
m = r.search(location)
group = m.groupdict()
src = group['src']
num = group['num']
name = 'c%d' % n
fmt = '<a name={name} href="?pos={n}&file_path={src}&line_num={num}#{name}">{location}</a>'
rep = fmt.format(**dict(group, **locals()))
yield columns[:-1] + [mark_safe(rep)]
else:
yield columns
def profile_table(self):
for n, columns in enumerate(parse_profile(self.pyprofile)):
location = columns[-1]
if n and '{' not in location and '<' not in location:
r = re.compile('(?P<src>.*\.py)\:(?P<num>[0-9]+).*')
m = r.search(location)
group = m.groupdict()
src = group['src']
num = group['num']
name = 'c%d' % n
fmt = '<a name={name} href="?pos={n}&file_path={src}&line_num={num}#{name}">{location}</a>'
rep = fmt.format(**dict(group, **locals()))
yield columns[:-1] + [mark_safe(rep)]
else:
yield columns
def test_profile_parser(self):
"""
Verify that the function parse_profile produces the expected output.
"""
with contextlib.closing(io.StringIO()) as stream:
with contextlib.redirect_stdout(stream):
cProfile.run('print()')
stream.seek(0)
actual = list(parse_profile(stream))
# Expected format for the profiling output on cPython implementations (PyPy differs)
# actual = [
# ["ncalls", "tottime", "percall", "cumtime", "percall", "filename:lineno(function)"],
# ["1", "0.000", "0.000", "0.000", "0.000", "<string>:1(<module>)"],
# ["1", "0.000", "0.000", "0.000", "0.000", "{built-in method builtins.exec}"],
# ["1", "0.000", "0.000", "0.000", "0.000", "{built-in method builtins.print}"],
# ["1", "0.000", "0.000", "0.000", "0.000", "{method 'disable' of '_lsprof.Profiler' objects}"],
# ]
exc_header = [
"ncalls", "tottime", "percall", "cumtime", "percall",
"filename:lineno(function)"
]
self.assertEqual(actual[0], exc_header)
exc_number = re.compile(r"\d(.\d+)?")
exc_module = re.compile(
r"({method.*})|({built-in.*})|(<.+>:\d+\(<.+>\))")
exc_row = [
exc_number, exc_number, exc_number, exc_number, exc_number,
exc_module
]
for row in actual[1:]:
for text, expected_regex in zip(row, exc_row):
self.assertRegex(
text,
expected_regex,
msg="Expected something like {} but found {}")
def test_profile_parser(self):
"""
Verify that the function parse_profile produces the expected output.
"""
with contextlib.closing(StringIO()) as stream:
with contextlib.redirect_stdout(stream):
cProfile.run('print()')
stream.seek(0)
actual = list(parse_profile(stream))
if PY3:
if sys.version_info < (3,5):
expected = [
['ncalls', 'tottime', 'percall', 'cumtime', 'percall', 'filename:lineno(function)'],
['1', '0.000', '0.000', '0.000', '0.000', '<string>:1(<module>)'],
['1', '0.000', '0.000', '0.000', '0.000', '{built-in method exec}'],
['1', '0.000', '0.000', '0.000', '0.000', '{built-in method print}'],
['1', '0.000', '0.000', '0.000', '0.000', "{method 'disable' of '_lsprof.Profiler' objects}"],
]
else:
expected = [
['ncalls', 'tottime', 'percall', 'cumtime', 'percall', 'filename:lineno(function)'],
['1', '0.000', '0.000', '0.000', '0.000', '<string>:1(<module>)'],
['1', '0.000', '0.000', '0.000', '0.000', '{built-in method builtins.exec}'],
['1', '0.000', '0.000', '0.000', '0.000', '{built-in method builtins.print}'],
['1', '0.000', '0.000', '0.000', '0.000', "{method 'disable' of '_lsprof.Profiler' objects}"],
]
else:
expected = [
['ncalls', 'tottime', 'percall', 'cumtime', 'percall', 'filename:lineno(function)'],
['1', '0.000', '0.000', '0.000', '0.000', '<string>:1(<module>)'],
['2', '0.000', '0.000', '0.000', '0.000', 'StringIO.py:208(write)'],
['2', '0.000', '0.000', '0.000', '0.000', 'StringIO.py:38(_complain_ifclosed)'],
['2', '0.000', '0.000', '0.000', '0.000', '{isinstance}'],
['2', '0.000', '0.000', '0.000', '0.000', '{len}'],
['2', '0.000', '0.000', '0.000', '0.000', "{method 'append' of 'list' objects}"],
['1', '0.000', '0.000', '0.000', '0.000', "{method 'disable' of '_lsprof.Profiler' objects}"]
]
self.assertListEqual(actual, expected)
def test_profile_parser(self):
"""
Verify that the function parse_profile produces the expected output.
"""
with contextlib.closing(StringIO()) as stream:
with contextlib.redirect_stdout(stream):
cProfile.run('print()')
stream.seek(0)
actual = list(parse_profile(stream))
if PY3:
if sys.version_info < (3, 5):
expected = [
[
'ncalls', 'tottime', 'percall', 'cumtime',
'percall', 'filename:lineno(function)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'<string>:1(<module>)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method exec}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method print}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
"{method 'disable' of '_lsprof.Profiler' objects}"
],
]
else:
expected = [
[
'ncalls', 'tottime', 'percall', 'cumtime',
'percall', 'filename:lineno(function)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'<string>:1(<module>)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method builtins.exec}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'{built-in method builtins.print}'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
"{method 'disable' of '_lsprof.Profiler' objects}"
],
]
else:
expected = [
[
'ncalls', 'tottime', 'percall', 'cumtime', 'percall',
'filename:lineno(function)'
],
[
'1', '0.000', '0.000', '0.000', '0.000',
'<string>:1(<module>)'
],
[
'2', '0.000', '0.000', '0.000', '0.000',
'StringIO.py:208(write)'
],
[
'2', '0.000', '0.000', '0.000', '0.000',
'StringIO.py:38(_complain_ifclosed)'
],
['2', '0.000', '0.000', '0.000', '0.000', '{isinstance}'],
['2', '0.000', '0.000', '0.000', '0.000', '{len}'],
[
'2', '0.000', '0.000', '0.000', '0.000',
"{method 'append' of 'list' objects}"
],
[
'1', '0.000', '0.000', '0.000', '0.000',
"{method 'disable' of '_lsprof.Profiler' objects}"
]
]
self.assertListEqual(actual, expected)