iotests: limit line length to 79 chars
79 is the PEP8 recommendation. This recommendation works well for reading patch diffs in TUI email clients. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200331000014.11581-10-jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
John Snow
Max Reitz
parent
1cd0dbfc12
commit
b031e9a5a6
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@ -80,9 +80,11 @@ luks_default_key_secret_opt = 'key-secret=keysec0'
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def qemu_img(*args):
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'''Run qemu-img and return the exit code'''
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devnull = open('/dev/null', 'r+')
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exitcode = subprocess.call(qemu_img_args + list(args), stdin=devnull, stdout=devnull)
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exitcode = subprocess.call(qemu_img_args + list(args),
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stdin=devnull, stdout=devnull)
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if exitcode < 0:
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sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
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sys.stderr.write('qemu-img received signal %i: %s\n'
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% (-exitcode, ' '.join(qemu_img_args + list(args))))
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return exitcode
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def ordered_qmp(qmsg, conv_keys=True):
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@ -121,7 +123,8 @@ def qemu_img_verbose(*args):
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'''Run qemu-img without suppressing its output and return the exit code'''
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exitcode = subprocess.call(qemu_img_args + list(args))
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if exitcode < 0:
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sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
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sys.stderr.write('qemu-img received signal %i: %s\n'
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% (-exitcode, ' '.join(qemu_img_args + list(args))))
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return exitcode
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def qemu_img_pipe(*args):
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@ -132,7 +135,8 @@ def qemu_img_pipe(*args):
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universal_newlines=True)
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exitcode = subp.wait()
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if exitcode < 0:
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sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
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sys.stderr.write('qemu-img received signal %i: %s\n'
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% (-exitcode, ' '.join(qemu_img_args + list(args))))
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return subp.communicate()[0]
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def qemu_img_log(*args):
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@ -162,7 +166,8 @@ def qemu_io(*args):
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universal_newlines=True)
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exitcode = subp.wait()
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if exitcode < 0:
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sys.stderr.write('qemu-io received signal %i: %s\n' % (-exitcode, ' '.join(args)))
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sys.stderr.write('qemu-io received signal %i: %s\n'
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% (-exitcode, ' '.join(args)))
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return subp.communicate()[0]
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def qemu_io_log(*args):
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@ -284,10 +289,13 @@ win32_re = re.compile(r"\r")
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def filter_win32(msg):
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return win32_re.sub("", msg)
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qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* \([0-9\/.inf]* [EPTGMKiBbytes]*\/sec and [0-9\/.inf]* ops\/sec\)")
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qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* "
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r"\([0-9\/.inf]* [EPTGMKiBbytes]*\/sec "
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r"and [0-9\/.inf]* ops\/sec\)")
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def filter_qemu_io(msg):
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msg = filter_win32(msg)
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return qemu_io_re.sub("X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)", msg)
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return qemu_io_re.sub("X ops; XX:XX:XX.X "
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"(XXX YYY/sec and XXX ops/sec)", msg)
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chown_re = re.compile(r"chown [0-9]+:[0-9]+")
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def filter_chown(msg):
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@ -340,7 +348,9 @@ def filter_img_info(output, filename):
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line = filter_testfiles(line)
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line = line.replace(imgfmt, 'IMGFMT')
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line = re.sub('iters: [0-9]+', 'iters: XXX', line)
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line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
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line = re.sub('uuid: [-a-f0-9]+',
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'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX',
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line)
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line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line)
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lines.append(line)
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return '\n'.join(lines)
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@ -538,11 +548,13 @@ class VM(qtest.QEMUQtestMachine):
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self.pause_drive(drive, "write_aio")
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return
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self.qmp('human-monitor-command',
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command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive))
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command_line='qemu-io %s "break %s bp_%s"'
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% (drive, event, drive))
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def resume_drive(self, drive):
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self.qmp('human-monitor-command',
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command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive))
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command_line='qemu-io %s "remove_break bp_%s"'
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% (drive, drive))
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def hmp_qemu_io(self, drive, cmd):
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'''Write to a given drive using an HMP command'''
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@ -802,16 +814,18 @@ class QMPTestCase(unittest.TestCase):
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idx = int(idx)
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if not isinstance(d, dict) or component not in d:
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self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
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self.fail(f'failed path traversal for "{path}" in "{d}"')
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d = d[component]
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if m:
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if not isinstance(d, list):
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self.fail('path component "%s" in "%s" is not a list in "%s"' % (component, path, str(d)))
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self.fail(f'path component "{component}" in "{path}" '
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f'is not a list in "{d}"')
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try:
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d = d[idx]
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except IndexError:
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self.fail('invalid index "%s" in path "%s" in "%s"' % (idx, path, str(d)))
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self.fail(f'invalid index "{idx}" in path "{path}" '
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f'in "{d}"')
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return d
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def assert_qmp_absent(self, d, path):
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@ -862,10 +876,13 @@ class QMPTestCase(unittest.TestCase):
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'''Asserts that the given filename is a json: filename and that its
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content is equal to the given reference object'''
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self.assertEqual(json_filename[:5], 'json:')
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self.assertEqual(self.vm.flatten_qmp_object(json.loads(json_filename[5:])),
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self.vm.flatten_qmp_object(reference))
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self.assertEqual(
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self.vm.flatten_qmp_object(json.loads(json_filename[5:])),
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self.vm.flatten_qmp_object(reference)
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)
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def cancel_and_wait(self, drive='drive0', force=False, resume=False, wait=60.0):
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def cancel_and_wait(self, drive='drive0', force=False,
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resume=False, wait=60.0):
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'''Cancel a block job and wait for it to finish, returning the event'''
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result = self.vm.qmp('block-job-cancel', device=drive, force=force)
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self.assert_qmp(result, 'return', {})
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@ -889,8 +906,8 @@ class QMPTestCase(unittest.TestCase):
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self.assert_no_active_block_jobs()
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return result
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def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0,
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error=None):
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def wait_until_completed(self, drive='drive0', check_offset=True,
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wait=60.0, error=None):
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'''Wait for a block job to finish, returning the event'''
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while True:
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for event in self.vm.get_qmp_events(wait=wait):
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@ -1029,8 +1046,11 @@ def verify_quorum():
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notrun('quorum support missing')
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def qemu_pipe(*args):
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'''Run qemu with an option to print something and exit (e.g. a help option),
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and return its output'''
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"""
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Run qemu with an option to print something and exit (e.g. a help option).
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:return: QEMU's stdout output.
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"""
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args = [qemu_prog] + qemu_opts + list(args)
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subp = subprocess.Popen(args, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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@ -1068,8 +1088,8 @@ def skip_if_unsupported(required_formats=(), read_only=False):
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usf_list = list(set(fmts) - set(supported_formats(read_only)))
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if usf_list:
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test_case.case_skip('{}: formats {} are not whitelisted'.format(
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test_case, usf_list))
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msg = f'{test_case}: formats {usf_list} are not whitelisted'
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test_case.case_skip(msg)
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return None
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else:
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return func(test_case, *args, **kwargs)
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@ -18,5 +18,9 @@ disable=invalid-name,
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too-many-locals,
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too-many-public-methods,
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# These are temporary, and should be removed:
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line-too-long,
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missing-docstring,
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[FORMAT]
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# Maximum number of characters on a single line.
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max-line-length=79
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