FileMonitor: Ver 0.8.0 (By David Maisonave)

FileMonitor is a Stash plugin with the following two main features:

Updates Stash when any file changes occurs in the Stash library.
Task Scheduler: Runs scheduled task based on the scheduler configuration in filemonitor_config.py.

Starting FileMonitor from the UI

From the GUI, FileMonitor can be started as a service or as a plugin. The recommended method is to start it as a service. When started as a service, it will jump on the Task Queue momentarily, and then disappear as it starts running in the background.

To start monitoring file changes, go to Stash->Settings->Task->[Plugin Tasks]->FileMonitor, and click on the [Start Library Monitor Service] button.
- Important Note: At first, this will show up as a plugin in the Task Queue momentarily. It will then disappear from the Task Queue and run in the background as a service.
To stop FileMonitor click on [Stop Library Monitor] button.
The [Monitor as a Plugin] option is mainly available for backwards compatibility and for test purposes.

Using FileMonitor as a script

FileMonitor can be called as a standalone script.

To start monitoring call the script and pass --url and the Stash URL.
- python filemonitor.py --url http://localhost:9999
To stop FileMonitor, pass argument --stop.
- python filemonitor.py --stop
- The stop command works to stop the standalone job and the Stash plugin task job.
To restart FileMonitor, pass argument --restart.
- python filemonitor.py --restart
- The restart command restarts FileMonitor as a Task in Stash.

Task Scheduler

To enable the scheduler go to Stash->Settings->Plugins->Plugins->FileMonitor and enable the Scheduler option.

Warning: The below task are already preconfigured in the scheduler, and when the scheduler is enabled all these task are enabled.
- Auto Tag -> [Auto Tag] (Daily)
- Maintenance -> [Clean] (every 2 days)
- Maintenance -> [Clean Generated Files] (every 2 days)
- Maintenance -> [Optimise Database] (Daily)
- Generated Content-> [Generate] (Every Sunday at 7AM)
- Library -> [Scan] (Weekly) (Every Sunday at 3AM)
- Backup -> [Backup] 2nd sunday of the month at 1AM
The example task are disabled by default because they have a zero frequency value.

To configure the schedule or to add new task, edit the task_scheduler section in the filemonitor_config.py file.

"task_scheduler": [
	 # To create a daily task, include each day of the week for the weekday field.
	{"task" : "Auto Tag",   "weekday" : "monday,tuesday,wednesday,thursday,friday,saturday,sunday",  "time" : "06:00"},  # Auto Tag -> [Auto Tag] (Daily at 6AM)
	{"task" : "Optimise Database",   "weekday" : "monday,tuesday,wednesday,thursday,friday,saturday,sunday",  "time" : "07:00"},  # Maintenance -> [Optimise Database] (Daily at 7AM)
	
	# The following task are scheduled for 3 days out of the week.
	{"task" : "Clean",   "weekday" : "monday,wednesday,friday",  "time" : "08:00"},  # Maintenance -> [Clean] (3 days per week at 8AM)
	{"task" : "Clean Generated Files",   "weekday" : "tuesday,thursday,saturday",  "time" : "08:00"},  # Maintenance -> [Clean Generated Files] (3 days per week at 8AM)
	
	# The following task are scheduled weekly
	{"task" : "Generate",   "weekday" : "sunday",   "time" : "07:00"}, # Generated Content-> [Generate] (Every Sunday at 7AM)
	{"task" : "Scan",       "weekday" : "sunday",   "time" : "03:00"}, # Library -> [Scan] (Weekly) (Every Sunday at 3AM)
	
	# To perform a task monthly, specify the day of the month as in the weekly schedule format, and add a monthly field.
		# The monthly field value must be 1, 2, 3, or 4.
			# 1 = 1st specified weekday of the month. Example 1st monday.
			# 2 = 2nd specified weekday of the month. Example 2nd monday of the month.
			# 3 = 3rd specified weekday of the month.
			# 4 = 4th specified weekday of the month.
	# The following task is scheduled monthly
	{"task" : "Backup",     "weekday" : "sunday",   "time" : "01:00", "monthly" : 2}, # Backup -> [Backup] 2nd sunday of the month at 1AM (01:00)
	
	# The above weekday method is the more reliable method to schedule task, because it doesn't rely on FileMonitor running continuously (non-stop).
	
	# The below examples use frequency field method which can work with minutes and hours. A zero frequency value disables the task.
	#       Note:   Both seconds and days are also supported for the frequency field. 
	#               However, seconds is mainly used for test purposes.
	#               And days usage is discourage, because it only works if FileMonitor is running for X many days non-stop.
	# Note:
	#       The below example tasks are done using hours and minutes because the task is easily disabled (deactivated) by a zero value entry.
	#       Any of these task types can be converted to a daily, weekly, or monthly syntax.
				   
	# The following is the syntax used for plugins. A plugin task requires the plugin name for the [task] field, and the plugin-ID for the [pluginId] field.
	{"task" : "Create Tags", "pluginId" : "pathParser", "hours" : 0}, # This task requires plugin [Path Parser]. To enable this task change the zero to a positive number.
	
	# Example task for calling another Stash plugin, which needs plugin name and plugin ID.
	{"task" : "PluginButtonName_Here", "pluginId" : "PluginId_Here", "hours" : 0}, # The zero frequency value makes this task disabled.
	
	# Example task to call call_GQL API with custom input
	{"task" : "GQL", "input" : "mutation OptimiseDatabase { optimiseDatabase }", "minutes" : 0},
	
	# Example task to call a python script. When this task is executed, the keyword <plugin_path> is replaced by filemonitor.py current directory.
	{"task" : "python", "script" : "<plugin_path>test_script_hello_world.py", "args" : "--MyArguments Hello", "minutes" : 0},
	
	# Example task to execute a command
	{"task" : "execute", "command" : "C:\\MyPath\\HelloWorld.bat", "args" : "", "hours" : 0},
	
	# Commented out test task.
	# {"task" : "Backup",     "seconds" : 30},
],

To add plugins to the task list, both the Plugin-ID and the plugin name is required. The plugin ID is usually the file name of the script without the extension.
Task can be scheduled to run monthly, weekly, hourly, and by minutes.
The scheduler list uses two types of syntax. One is frequency based, and the other is weekday based.
- Frequency Based
  - The frequency field can be in minutes or hours.
  - The frequency value must be a number greater than zero. A frequency value of zero will disable the task on the schedule.
  - Frequency Based Examples:
    - Starts a task every 24 hours.
      - {"task" : "Auto Tag", "hours" : 24},
    - Starts a (plugin) task every 30 minutes.
      - {"task" : "Create Tags", "pluginId" : "pathParser", "minutes" : 30},
  - The frequency field does support days and seconds.
    - seconds is mainly used for test purposes.
    - The use of days is discourage, because it only works if FileMonitor is running for X many days non-stop.
      - For example, if days is used with 30 days, FileMonitor would have to be running non-stop for 30 days before the task is activated. If it's restarted at any time during the 30 days, the count down restarts.
      - It's recommended to use weekday based syntax over using days, because many restarts can occur during the week or month, and the task will still get started as long as FileMonitor is running during the scheduled activation time.
- weekday Based
  - Use the weekday based syntax for weekly and monthly schedules.
  - Both weekly and monthly schedules must have a weekday field and a time field, which specifies the day of the week and the time to start the task.
  - Weekly:
    - Weekly Example:
      - Starts a task weekly every monday and 9AM.
        
        {"task" : "Generate", "weekday" : "monday", "time" : "09:00"},
  - Monthly:
    - The monthly syntax is similar to the weekly format, but it also includes a "monthly" field which must be set to 1, 2, 3, or 4.
    - Monthly Examples:
      - Starts a task once a month on the 3rd sunday of the month and at 1AM.
        
        {"task" : "Backup", "weekday" : "sunday", "time" : "01:00", "monthly" : 3},
      - Starts a task at 2PM once a month on the 1st saturday of the month.
        
        {"task" : "Optimise Database", "weekday" : "saturday", "time" : "14:00", "monthly" : 1},
The scheduler feature requires pip install schedule
- If the user leaves the scheduler disabled, schedule does NOT have to be installed.
For best results use the scheduler with FileMonitor running as a service.

Requirements

pip install -r requirements.txt
Or manually install each requirement:
- pip install stashapp-tools --upgrade
- pip install pyYAML
- pip install watchdog
- pip install schedule

Installation

Follow Requirements instructions.
In the stash plugin directory (C:\Users\MyUserName.stash\plugins), create a folder named FileMonitor.
Copy all the plugin files to this folder.(C:\Users\MyUserName\.stash\plugins\FileMonitor).
Click the [Reload Plugins] button in Stash->Settings->Plugins->Plugins.

That's it!!!

Options

Main options are accessible in the GUI via Settings->Plugins->Plugins->[FileMonitor].
Additional options available in filemonitor_config.py.

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