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#!/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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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=None, 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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if device: |
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# Need to support both ways for now |
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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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else: |
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params["id"] = self.serid |
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params["curef"] = self.curef |
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params["fv"] = self.fv |
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params["mode"] = self.mode.value |
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params["type"] = self.ftype |
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params["cltp"] = self.cltp.value |
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params["cktp"] = self.cktp.value |
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params["rtd"] = self.rtd.value |
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params["chnl"] = self.chnl.value |
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#params["osvs"] = self.osvs |
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#params["ckot"] = self.ckot.value |
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return url, params |
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def do_check(self, device=None, 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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reqtime_avg = self.check_time_avg() |
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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, reqtime_avg) |
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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, reqtime_avg) |
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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, reqtime_avg): |
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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, reqtime_avg) |
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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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mbirth /
tcl_ota_check
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