X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=camera_trigger.py;h=620a5b2fd62f27587cac6c096583eb94f42e90a5;hb=c06bfef53f70551e7920bc4facce27f47b89e2ba;hp=0f42ca20782cd06ecf46e23d68acd017a5d9f9a2;hpb=5e241dc47e497c547463cecc07946ea6882835a7;p=kiosk.git diff --git a/camera_trigger.py b/camera_trigger.py index 0f42ca2..620a5b2 100644 --- a/camera_trigger.py +++ b/camera_trigger.py @@ -1,9 +1,13 @@ +#!/usr/bin/env python3 + +from datetime import datetime import glob import os import time +from typing import List, Tuple + import trigger import utils -from datetime import datetime class any_camera_trigger(trigger.trigger): @@ -12,21 +16,19 @@ class any_camera_trigger(trigger.trigger): "driveway": 0, "frontdoor": 0, "cabin_driveway": 0, - "backyard": 0, } - self.last_trigger = { + self.last_trigger_timestamp = { "driveway": 0, "frontdoor": 0, "cabin_driveway": 0, - "backyard": 0, } - def choose_priority(self, camera, age): + def choose_priority(self, camera: str, age: int) -> int: + """Based on the camera name and last trigger age, compute priority.""" base_priority_by_camera = { "driveway": 1, "frontdoor": 2, "cabin_driveway": 1, - "backyard": 0, } priority = base_priority_by_camera[camera] if age < 10: @@ -37,27 +39,28 @@ class any_camera_trigger(trigger.trigger): priority += trigger.trigger.PRIORITY_LOW return priority - def get_triggered_page_list(self): + def get_triggered_page_list(self) -> List[Tuple[str, int]]: + """Return a list of triggered pages with priorities.""" triggers = [] - cameras_with_recent_triggers = 0 - camera_list = ["driveway", "frontdoor", "cabin_driveway", "backyard"] + num_cameras_with_recent_triggers = 0 + camera_list = ["driveway", "frontdoor", "cabin_driveway"] now = time.time() try: - # First pass, just see whether each camera is triggered and, - # if so, count how many times in the past 7m it has triggered. + # First pass, just see whether each camera is triggered + # and, if so, count how many times in the past 7m it has + # been triggered. for camera in camera_list: - file = "/timestamps/last_camera_motion_%s" % camera - ts = os.stat(file).st_ctime - if ts != self.last_trigger[camera] and (now - ts) < 10: + filename = f"/timestamps/last_camera_motion_{camera}" + ts = os.stat(filename).st_ctime + if ts != self.last_trigger_timestamp[camera] and (now - ts) < 10: print("Camera: %s, age %s" % (camera, (now - ts))) - self.last_trigger[camera] = ts - cameras_with_recent_triggers += 1 + self.last_trigger_timestamp[camera] = ts + num_cameras_with_recent_triggers += 1 self.triggers_in_the_past_seven_min[camera] = 0 - file = "/timestamps/camera_motion_history_%s" % camera - f = open(file, "r") - contents = f.readlines() - f.close() + filename = f"/timestamps/camera_motion_history_{camera}" + with open(filename, "r") as f: + contents = f.readlines() for x in contents: x.strip() age = now - int(x) @@ -67,32 +70,27 @@ class any_camera_trigger(trigger.trigger): # Second pass, see whether we want to trigger due to # camera activity we found. All cameras timestamps were # just considered and should be up-to-date. Some logic to - # squelch spammy cameras unless more than one is - # triggered at the same time. + # squelch spammy cameras unless more than one is triggered + # at the same time. for camera in camera_list: - if (now - self.last_trigger[camera]) < 10: + if (now - self.last_trigger_timestamp[camera]) < 10: if ( self.triggers_in_the_past_seven_min[camera] <= 4 - or cameras_with_recent_triggers > 1 + or num_cameras_with_recent_triggers > 1 ): ts = utils.timestamp() - p = self.choose_priority(camera, age) + priority = self.choose_priority(camera, age) print( - ( - "%s: ****** %s[%d] CAMERA TRIGGER ******" - % (ts, camera, p) - ) + f"{ts}: ****** {camera}[{priority}] CAMERA TRIGGER ******" ) triggers.append( ( - "hidden/%s.html" % camera, - self.choose_priority(camera, age), + f"hidden/{camera}.html", + priority, ) ) else: - print( - ("%s: Camera %s too spammy, squelching it" % (ts, camera)) - ) + print(f"{ts}: Camera {camera} too spammy, squelching it") except Exception as e: print(e) pass