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Downloader downloads file in seperate thread now so it doesn't block bus queue
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parent
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commit
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@ -7,6 +7,7 @@ Provides functionality to download files.
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import os
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import os
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import logging
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import logging
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import re
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import re
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import threading
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import homeassistant.util as util
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import homeassistant.util as util
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@ -15,6 +16,7 @@ DOMAIN = "downloader"
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SERVICE_DOWNLOAD_FILE = "download_file"
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SERVICE_DOWNLOAD_FILE = "download_file"
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# pylint: disable=too-many-branches
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def setup(bus, download_path):
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def setup(bus, download_path):
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""" Listens for download events to download files. """
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""" Listens for download events to download files. """
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@ -36,53 +38,68 @@ def setup(bus, download_path):
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return False
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return False
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def _download_file(service):
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def download_file(service):
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""" Downloads file specified in the url. """
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""" Starts thread to download file specified in the url. """
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try:
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if not 'url' in service.data:
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req = requests.get(service.data['url'], stream=True)
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logger.error("Service called but 'url' parameter not specified.")
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if req.status_code == 200:
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return
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filename = None
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if 'content-disposition' in req.headers:
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def do_download():
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match = re.findall(r"filename=(\S+)",
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""" Downloads the file. """
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req.headers['content-disposition'])
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try:
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url = service.data['url']
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req = requests.get(url, stream=True)
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if len(match) > 0:
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if req.status_code == 200:
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filename = match[0].strip("'\" ")
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filename = None
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if not filename:
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if 'content-disposition' in req.headers:
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filename = os.path.basename(service.data['url']).strip()
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match = re.findall(r"filename=(\S+)",
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req.headers['content-disposition'])
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if not filename:
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if len(match) > 0:
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filename = "ha_download"
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filename = match[0].strip("'\" ")
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# Remove stuff to ruin paths
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if not filename:
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filename = util.sanitize_filename(filename)
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filename = os.path.basename(
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url).strip()
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path, ext = os.path.splitext(os.path.join(download_path,
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if not filename:
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filename))
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filename = "ha_download"
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# If file exist append a number. We test filename, filename_2..
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# Remove stuff to ruin paths
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tries = 1
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filename = util.sanitize_filename(filename)
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final_path = path + ext
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while os.path.isfile(final_path):
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tries += 1
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final_path = path + "_{}".format(tries) + ext
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path, ext = os.path.splitext(os.path.join(download_path,
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filename))
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logger.info("{} -> {}".format(
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# If file exist append a number.
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service.data['url'], final_path))
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# We test filename, filename_2..
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tries = 1
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final_path = path + ext
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while os.path.isfile(final_path):
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tries += 1
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with open(final_path, 'wb') as fil:
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final_path = path + "_{}".format(tries) + ext
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for chunk in req.iter_content(1024):
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fil.write(chunk)
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except requests.exceptions.ConnectionError:
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logger.info("{} -> {}".format(
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logger.exception("ConnectionError occured for {}".
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url, final_path))
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format(service.data['url']))
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with open(final_path, 'wb') as fil:
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for chunk in req.iter_content(1024):
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fil.write(chunk)
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logger.info("Downloading of {} done".format(
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url))
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except requests.exceptions.ConnectionError:
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logger.exception("ConnectionError occured for {}".
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format(url))
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threading.Thread(target=do_download).start()
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bus.register_service(DOMAIN, SERVICE_DOWNLOAD_FILE,
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bus.register_service(DOMAIN, SERVICE_DOWNLOAD_FILE,
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_download_file)
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download_file)
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return True
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return True
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