def validate_xpath(xpath, allow_case_hashtags=False):
with subprocess_context() as subprocess:
path = get_xpath_validator_path()
if allow_case_hashtags:
cmd = ['node', path, '--allow-case-hashtags']
else:
cmd = ['node', path]
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate(xpath.encode('utf-8'))
exit_code = p.wait()
if exit_code == 0:
return XpathValidationResponse(is_valid=True, message=None)
elif exit_code == 1:
return XpathValidationResponse(is_valid=False, message=stdout)
else:
raise XpathValidationError(
"{path} failed with exit code {exit_code}:\n{stderr}"
.format(path=path, exit_code=exit_code, stderr=stderr))
def validate_xpath(xpath, allow_case_hashtags=False):
path = get_xpath_validator_path()
if allow_case_hashtags:
cmd = ['node', path, '--allow-case-hashtags']
else:
cmd = ['node', path]
p = subprocess.Popen(cmd,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# Collapse whitespace. '\r' mysteriously causes the process to hang in python 3.
stdout, stderr = p.communicate(re.sub(r'\s+', ' ', xpath).encode('utf-8'))
exit_code = p.wait()
if exit_code == 0:
return XpathValidationResponse(is_valid=True, message=None)
elif exit_code == 1:
return XpathValidationResponse(is_valid=False, message=stdout)
else:
raise XpathValidationError(
"{path} failed with exit code {exit_code}:\n{stderr}".format(
path=path, exit_code=exit_code, stderr=stderr))