mirror of
https://github.com/mbirth/tcl_ota_check.git
synced 2024-11-09 22:06:47 +00:00
95 lines
3.7 KiB
Python
95 lines
3.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# pylint: disable=C0111,C0326,C0103
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"""Tools to interface with TCL's update request API."""
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import time
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from collections import OrderedDict, defaultdict
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import requests
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from defusedxml import ElementTree
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from .devices import Device
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class TclCheckMixin:
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"""A mixin component for TCL's update request API."""
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def prep_check_url(self, https=True):
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"""Prepare URL for update request."""
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protocol = "https://" if https else "http://"
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url = protocol + self.g2master + "/check.php"
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return url
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def prep_check(self, device: Device, https=True):
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"""Prepare URL and parameters for update request."""
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url = self.prep_check_url(https)
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params = OrderedDict()
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params["id"] = device.imei
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params["curef"] = device.curef
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params["fv"] = device.fwver
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params["mode"] = device.mode
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params["type"] = device.type
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params["cltp"] = device.cltp
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params["cktp"] = device.cktp
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params["rtd"] = device.rtd
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params["chnl"] = device.chnl
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#params["osvs"] = device.osvs
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#params["ckot"] = device.ckot
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return url, params
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def do_check(self, device: Device, https=True, timeout=10, max_tries=5):
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"""Perform update request with given parameters."""
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url, params = self.prep_check(device, https)
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last_response = None
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for _ in range(0, max_tries):
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try:
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reqtime_start = time.perf_counter()
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req = self.sess.get(url, params=params, timeout=timeout)
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reqtime = time.perf_counter() - reqtime_start
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self.check_time_add(reqtime)
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last_response = req
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if req.status_code == 200:
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self.master_server_vote_on_time(reqtime)
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req.encoding = "utf-8" # Force encoding as server doesn't give one
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self.write_dump(req.text)
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return req.text
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elif req.status_code not in [500, 502, 503]:
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self.do_check_errorhandle(req, reqtime)
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except requests.exceptions.Timeout:
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pass
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# Something went wrong, try a different server
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self.master_server_downvote()
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self.g2master = self.get_master_server()
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url = self.prep_check_url(https)
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raise requests.exceptions.RetryError("Max tries ({}) reached.".format(max_tries), response=last_response)
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def do_check_errorhandle(self, req, reqtime):
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"""Handle non-HTTP 200 results for ``do_check``."""
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errcodes = defaultdict(lambda: "HTTP {}.".format(req.status_code))
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errcodes[204] = "No update available."
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errcodes[404] = "No data for requested CUREF/FV combination."
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if req.status_code in [204, 404]:
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self.master_server_vote_on_time(reqtime)
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elif req.status_code not in [500, 502, 503]:
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self.master_server_downvote()
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req.raise_for_status()
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raise requests.exceptions.HTTPError(errcodes[req.status_code], response=req)
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@staticmethod
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def parse_check(xmlstr):
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"""Parse output of ``do_check``."""
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root = ElementTree.fromstring(xmlstr)
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curef = root.find("CUREF").text
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fvver = root.find("VERSION").find("FV").text
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tvver = root.find("VERSION").find("TV").text
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fw_id = root.find("FIRMWARE").find("FW_ID").text
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fileinfo = root.find("FIRMWARE").find("FILESET").find("FILE")
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fileid = fileinfo.find("FILE_ID").text
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filename = fileinfo.find("FILENAME").text
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filesize = fileinfo.find("SIZE").text
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filehash = fileinfo.find("CHECKSUM").text
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return curef, fvver, tvver, fw_id, fileid, filename, filesize, filehash
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