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by Thomas
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doorpi.action.SingleActions.get_snapshot_from_url()   A

Complexity

Conditions 3

Size

Total Lines 9

Duplication

Lines 0
Ratio 0 %
Metric Value
cc 3
dl 0
loc 9
rs 9.6666
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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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Unused Code introduced by Thomas Meissner
Unused subprocess imported 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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