Using the if statement you can find the function returned true or not in Python. This step is needed some time in order to proceed to the next step of a separate function. Simple example code. Output: if function_Name[argu]:
# do_something
def validate_age[age]:
if age > 20:
return True
else:
return False
# Print value
print[validate_age[23]]
# Check true
if validate_age[23]:
print["validate_age function returns True"]
else:
print["validate_age function returns False"]
Do comment if you have any doubts and suggestions on this Python function code.
Note: IDE: PyCharm 2021.3.3 [Community Edition]
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
Degree in Computer Science and Engineer: App Developer and has multiple Programming languages experience. Enthusiasm for technology & like learning technical.
In python, I am currently doing this:
if user_can_read[request.user, b] == False:
Is there any other way of checking if the function returns False
?
asked Aug 23, 2012 at 18:30
q3dq3d
3,3837 gold badges33 silver badges38 bronze badges
3
1 Answer
You could just use
if user_can_read[request.user, b]:
## do stuff
If user_can_read
returns
anything [except 0, False, etc], it will be considered True, and do stuff.
And the negation: if not user_can_read[request.user, b]
answered Aug 23, 2012 at 18:33
JohnJohn
14.7k11 gold badges43 silver badges64 bronze badges
3
27 Python code examples are found related to " check success". You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.
Example 1
def check_iaaa_success[r, **kwargs]: respJson = r.json[] if not respJson.get["success", False]: try: errors = respJson["errors"] code = errors["code"] msg = errors["msg"] except Exception as e: cout.error[e] cout.info["Unable to get errcode/errmsg from response JSON"] pass else: if code == "E01": raise IAAAIncorrectPasswordError[response=r, msg=msg] elif code == "E21": raise IAAAForbiddenError[response=r, msg=msg] raise IAAANotSuccessError[response=r]
Example 2
def check_success_generator[function]: """ Decorator to check for success prior to running functional. Generator version. Yields stuff. """ from functools import wraps @wraps[function] def wrapper[self, *args, **kwargs]: # Checks for previous run, or deletes previous run if requested. if not kwargs.get['overwrite', False]: extract = self.Extract[outcar=kwargs['outdir']] if extract.success: yield extract # in which case, returns extraction object. return for n in function[self, *args, **kwargs]: yield n return wrapper
Example 3
def check_success[self]: """Check for success of the RPC, possibly raising an exception. This function should be called at least once per RPC. If wait[] hasn't been called yet, it is called first. If the RPC caused an exceptional condition, an exception will be raised here. The first time check_success[] is called, the postcall hooks are called. """ self.wait[] try: self.__rpc.CheckSuccess[] except Exception, err: if not self.__postcall_hooks_called: self.__postcall_hooks_called = True self.__stubmap.GetPostCallHooks[].Call[self.__service, self.__method, self.request, self.response, self.__rpc, err] raise
Example 4
def check_success[self, position, close_goal]: rospy.logwarn["gripping force: " + str[self._gripper.get_force[]]] rospy.logwarn["gripper position: " + str[self._gripper.get_position[]]] rospy.logwarn["gripper position deadzone: " + str[self._gripper.get_dead_zone[]]] if not self._gripper.is_moving[]: success = True else: success = False # success = fabs[self._gripper.get_position[] - position] < self._gripper.get_dead_zone[] rospy.logwarn["gripping success: " + str[success]] return success
Example 5
def check_rpc_success[self, rpc]: """Check for RPC success and translate exceptions. This wraps rpc.check_success[] and should be called instead of that. This also removes the RPC from the list of pending RPCs, once it has completed. Args: rpc: A UserRPC or MultiRpc object. Raises: Nothing if the call succeeded; various datastore_errors.Error subclasses if ApplicationError was raised by rpc.check_success[]. """ try: rpc.wait[] finally: self._remove_pending[rpc] try: rpc.check_success[] except apiproxy_errors.ApplicationError, err: raise _ToDatastoreError[err]
Example 6
def check_success[self, device_id, sent_cmd1, sent_cmd2]: """Check if last command succeeded by checking buffer""" device_id = device_id.upper[] self.logger.info['check_success: for device %s cmd1 %s cmd2 %s', device_id, sent_cmd1, sent_cmd2] sleep[2] status = self.get_buffer_status[device_id] check_id = status.get['id_from', ''] cmd1 = status.get['cmd1', ''] cmd2 = status.get['cmd2', ''] if [check_id == device_id] and [cmd1 == sent_cmd1] and [cmd2 == sent_cmd2]: self.logger.info["check_success: Response device %s cmd %s cmd2 %s SUCCESS", check_id, cmd1, cmd2] return True self.logger.info["check_success: No valid response found for device %s cmd %s cmd2 %s", device_id, sent_cmd1, sent_cmd2] return False
Example 7
def check_status_code_success[operation, status_code, message]: """Check if a status code indicates success. :param operation: operation being performed -- str :param status_code: status code -- int :param message: server response -- str :raises: VolumeBackendAPIException """ if status_code not in [STATUS_200, STATUS_201, STATUS_202, STATUS_204]: exception_message = [ 'Error {op}. The status code received is {sc} and the message ' 'is {msg}.'.format[op=operation, sc=status_code, msg=message]] if status_code == STATUS_404: raise exception.ResourceNotFoundException[ data=exception_message] if status_code == STATUS_401: raise exception.UnauthorizedRequestException[] else: raise exception.VolumeBackendAPIException[ data=exception_message]
Example 8
def check_response_success[response]: status_code = response.status_code if 200 bool: """ Check the final status of the batch job; return True if the job 'SUCCEEDED', else raise an AirflowException :param job_id: a batch job ID :type job_id: str :rtype: bool :raises: AirflowException """ job = self.get_job_description[job_id] job_status = job.get["status"] if job_status == "SUCCEEDED": self.log.info["AWS batch job [%s] succeeded: %s", job_id, job] return True if job_status == "FAILED": raise AirflowException["AWS Batch job [{}] failed: {}".format[job_id, job]] if job_status in ["SUBMITTED", "PENDING", "RUNNABLE", "STARTING", "RUNNING"]: raise AirflowException["AWS Batch job [{}] is not complete: {}".format[job_id, job]] raise AirflowException["AWS Batch job [{}] has unknown status: {}".format[job_id, job]]
Example 14
def check_dump_success[self, return_value]: """ Check to see if a dump query succeeded Args: return_value - A set which if it includes SUCCESS_ENTRY shows that the query succeeded """ if SUCCESS_ENTRY not in return_value: raise Exception['{}: dump failed' ''.format[multiprocessing.current_process[].name]]
Example 15
def check_success[ODBC_obj, ret]: """ Validate return value, if not success, raise exceptions based on the handle """ if ret not in [SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_NO_DATA]: if isinstance[ODBC_obj, Cursor]: ctrl_err[SQL_HANDLE_STMT, ODBC_obj.stmt_h, ret, ODBC_obj.ansi] elif isinstance[ODBC_obj, Connection]: ctrl_err[SQL_HANDLE_DBC, ODBC_obj.dbc_h, ret, ODBC_obj.ansi] else: ctrl_err[SQL_HANDLE_ENV, ODBC_obj, ret, False]
Example 16
def check_success[self]: """ Call the method repeatedly such that it will return a PKey object. """ small = xrange[3] for i in xrange[self.iterations]: key = PKey[] key.generate_key[TYPE_DSA, 256] for i in small: cert = X509[] cert.set_pubkey[key] for i in small: cert.get_pubkey[]
Example 17
def check_success[ODBC_obj, ret]: """ Validate return value, if not success, raise exceptions based on the handle """ if ret not in [SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_NO_DATA]: if isinstance[ODBC_obj, Cursor]: ctrl_err[SQL_HANDLE_STMT, ODBC_obj.stmt_h, ret, ODBC_obj.ansi] elif isinstance[ODBC_obj, Connection]: ctrl_err[SQL_HANDLE_DBC, ODBC_obj.dbc_h, ret, ODBC_obj.ansi] else: ctrl_err[SQL_HANDLE_ENV, ODBC_obj, ret, False]
Example 18
def check_command_success[self, proc, output_file]: rc = terminate_subprocess[proc, log=self.log] msg = "Ran: {!r}, took: {:.3f}s to run, returncode: {}".format[ proc.args, time.monotonic[] - proc.basebackup_start_time, rc] if rc == 0 and os.path.exists[output_file]: self.log.info[msg] return True if output_file: with suppress[FileNotFoundError]: os.unlink[output_file] raise BackupFailure[msg]
Example 19
def check_success[self]: """Check whether a future has completed without raising an exception. This will wait for the future to finish its task and will then raise the future's exception, if there is one, or else do nothing. """ self.wait[] if self._exception: raise self._exception
Example 20
def check_api_call_success[response_json]: data = _get_json_field_helper[response_json, ['data'], True] if _get_json_field_helper[response_json, ['status'], False] == 'success' and len[data] != 0: return data else: logger.error['Error when contacting api at ' + str[make_api_req_url[]]] sys.exit[1]
Example 21
def check_remote_success_file[target_host, check_file='/tmp/status.success']: response = execute_remote_cmd[target_host, 'cat ' + check_file] if 'complete' in response: log.info["Found complete in .success file, ready to proceed"] return True else: log.info["Could not find .success file"] return False
Example 22
def check_http_success_status[self, **kwargs]: data = self._es.search[body={ "size": max_query_results, "query": { "filtered": { "query": { "match_all": {} }, "filter": { "exists": { "field": "status" } } } }}] result = True errormsg = "" if not self._check_non_zero_results[data]: result = False errormsg = "No log entries found" return GremlinTestResult[result, errormsg] for message in data["hits"]["hits"]: if message['_source']["status"] != 200: if self.debug: print[message['_source']] result = False return GremlinTestResult[result, errormsg] ##check if the interaction between a given pair of services resulted in the required response status
Example 23
def CheckSuccess[self]: """If there was an exception, raise it now. Raises: Exception of the API call or the callback, if any. """ if self.exception and self._traceback: raise self.exception.__class__, self.exception, self._traceback elif self.exception: raise self.exception
Example 24
def check_login_success[self, rep]: set_cookie = rep.headers["set-cookie"] if len[set_cookie] < 50: raise exceptions.NotLoginError["登录失败,请检查用户名和密码"] self.s.headers.update[{"cookie": set_cookie}]
Example 25
def CheckSuccessOrRaise[self]: if self.sw1 == 0x69 and self.sw2 == 0x85: raise errors.TUPRequiredError[] elif self.sw1 == 0x6a and self.sw2 == 0x80: raise errors.InvalidKeyHandleError[] elif self.sw1 == 0x69 and self.sw2 == 0x84: raise errors.InvalidKeyHandleError[] elif not self.IsSuccess[]: raise errors.ApduError[self.sw1, self.sw2]
Example 26
def check_read_success[filename, **kwargs]: '''Determine criterion for successfully reading a dataset based on its meta values. For now, returns False.''' def check_write_complete[filename, **kwargs]: '''Check for `completed` attr in file.''' import os mode = kwargs.get['mode', 'r'] if not os.path.isfile[filename]: return False f = h5py.File[filename, mode=mode, **kwargs] return f.attrs.get['completed', False] write_complete = check_write_complete[filename, **kwargs] return False and write_complete
Example 27
def check_job_success[self]: """ Check if a job succeed :return: status of a job: succeed, no-match or fail :rtype: str """ if os.path.exists[self.paf_raw]: if os.path.getsize[self.paf_raw] > 0: return "succeed" else: return "no-match" return "fail"