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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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import logging |
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from doorpi.action.base import SingleAction |
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import doorpi |
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import subprocess as sub |
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import os |
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import datetime |
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import glob |
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logger = logging.getLogger(__name__) |
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logger.debug("%s loaded", __name__) |
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conf = doorpi.DoorPi().config |
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DOORPI_SECTION = 'DoorPi' |
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def get_last_snapshot(snapshot_path=None): |
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if not snapshot_path: |
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snapshot_path = conf.get_string_parsed(DOORPI_SECTION, 'snapshot_path', '/tmp') |
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files = sorted(glob.glob(os.path.join(snapshot_path, "*.*")), key=os.path.getctime) |
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if len(files) > 0: |
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return files[-1] |
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else: |
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return False |
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def get_next_filename(snapshot_path): |
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if not os.path.exists(snapshot_path): |
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os.makedirs(snapshot_path) |
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files = sorted(glob.glob(os.path.join(snapshot_path, "*.*")), key=os.path.getctime) |
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if len(files) > conf.get_int(DOORPI_SECTION, 'number_of_snapshots', 10): |
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try: |
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os.remove(os.path.join(snapshot_path, files[0])) |
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except OSError as exp: |
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logger.warning("couldn't delete snapshot file %s with error %s" % (files[0], exp)) |
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return os.path.join( |
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snapshot_path, |
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datetime.datetime.now().strftime("%Y-%m-%d_%H-%M-%S")+".jpg" |
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) |
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def get_snapshot_from_picam(snapshot_path): |
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import picamera |
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filename = get_next_filename(snapshot_path) |
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with picamera.PiCamera() as camera: |
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camera.resolution = (1024, 768) |
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camera.capture(filename) |
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conf.set_value(DOORPI_SECTION, 'last_snapshot', filename) |
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return filename |
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def get_snapshot_from_url(snapshot_path, url): |
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import requests |
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filename = get_next_filename(snapshot_path) |
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r = requests.get(url, stream=True) |
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with open(filename, 'wb') as fd: |
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for chunk in r.iter_content(1024): |
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fd.write(chunk) |
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conf.set_value(DOORPI_SECTION, 'last_snapshot', filename) |
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return filename |
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def get(parameters=""): |
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snapshot_path = conf.get_string_parsed(DOORPI_SECTION, 'snapshot_path', '/tmp') |
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if parameters == "": |
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return SnapShotAction(get_snapshot_from_picam, snapshot_path=snapshot_path) |
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else: |
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return SnapShotAction(get_snapshot_from_url, snapshot_path=snapshot_path, url=parameters) |
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class SnapShotAction(SingleAction): |
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pass |
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motom001 /
DoorPi
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