Debug logs added for job clearing & cancelling (#193)

Co-authored-by: sijmenhuizenga <sijmenhuizenga@gmail.com>

.gitignore

@@ -42,4 +42,7 @@ venv
 
 .cache
 docs/_build
-.idea/
+
+# For Idea (e.g. PyCharm) users
+.idea
+*.iml

AUTHORS.rst

@@ -27,3 +27,4 @@ Thanks to all the wonderful folks who have contributed to schedule over the year
 - gaguirregabiria <https://github.com/gaguirregabiria>
 - rhagenaars <https://github.com/RHagenaars>
 - Skenvy <https://github.com/skenvy>
+- zcking <https://github.com/zcking>

docs/logging.rst

@@ -9,6 +9,7 @@ To receive logs from Schedule, set the logging level to ``DEBUG``.
     import schedule
     import logging
 
+    logging.basicConfig()
     schedule_logger = logging.getLogger('schedule')
     schedule_logger.setLevel(level=logging.DEBUG)
 
@@ -19,13 +20,16 @@ To receive logs from Schedule, set the logging level to ``DEBUG``.
 
     schedule.run_all()
 
+    schedule.clear()
+
 This will result in the following log messages:
 
 .. code-block:: text
 
-    DEBUG:schedule:Running *all* 1 jobs with 0s delay inbetween
+    DEBUG:schedule:Running *all* 1 jobs with 0s delay in between
     DEBUG:schedule:Running job Job(interval=1, unit=seconds, do=job, args=(), kwargs={})
     Hello, Logs
+    DEBUG:schedule:Deleting *all* jobs
 
 
 Customize logging

schedule/__init__.py

@@ -103,7 +103,7 @@ def run_all(self, delay_seconds=0):
 
         :param delay_seconds: A delay added between every executed job
         """
-        logger.debug('Running *all* %i jobs with %is delay inbetween',
+        logger.debug('Running *all* %i jobs with %is delay in between',
                      len(self.jobs), delay_seconds)
         for job in self.jobs[:]:
             self._run_job(job)
@@ -131,8 +131,10 @@ def clear(self, tag=None):
                     jobs to delete
         """
         if tag is None:
+            logger.debug('Deleting *all* jobs')
             del self.jobs[:]
         else:
+            logger.debug('Deleting all jobs tagged "%s"', tag)
             self.jobs[:] = (job for job in self.jobs if tag not in job.tags)
 
     def cancel_job(self, job):
@@ -142,9 +144,10 @@ def cancel_job(self, job):
         :param job: The job to be unscheduled
         """
         try:
+            logger.debug('Cancelling job "%s"', str(job))
             self.jobs.remove(job)
         except ValueError:
-            pass
+            logger.debug('Cancelling not-scheduled job "%s"', str(job))
 
     def every(self, interval=1):
         """