Mercurial Repositories > eric / file comparison
comparison: Plugins/UiExtensionPlugins/Translator/TranslatorRequest.py
Plugins/UiExtensionPlugins/Translator/TranslatorRequest.py
- changeset 6018
- 1c858879d3d0
- child 6048
- 82ad8ec9548c
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| 6017:dab01678626d | 6018:1c858879d3d0 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a synchronous network request handler for translation | |
| 8 requests. | |
| 9 """ | |
| 10 | |
| 11 from __future__ import unicode_literals | |
| 12 try: | |
| 13 str = unicode | |
| 14 except NameError: | |
| 15 pass | |
| 16 | |
| 17 from PyQt5.QtCore import qVersion, QObject, QEventLoop, QByteArray | |
| 18 from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkRequest, \ | |
| 19 QNetworkReply | |
| 20 | |
| 21 from E5Network.E5NetworkProxyFactory import proxyAuthenticationRequired | |
| 22 | |
| 23 | |
| 24 class TranslatorRequest(QObject): | |
| 25 """ | |
| 26 Class implementing a synchronous network request handler for translation | |
| 27 requests. | |
| 28 """ | |
| 29 def __init__(self, parent=None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param parent reference to the parent object (QObject) | |
| 34 """ | |
| 35 super(TranslatorRequest, self).__init__(parent) | |
| 36 | |
| 37 self.__contentTypes = { | |
| 38 "form": b"application/x-www-form-urlencoded", | |
| 39 "json": b"application/json", | |
| 40 } | |
| 41 | |
| 42 self.__networkManager = QNetworkAccessManager(self) | |
| 43 self.__networkManager.proxyAuthenticationRequired.connect( | |
| 44 proxyAuthenticationRequired) | |
| 45 | |
| 46 self.__loop = QEventLoop() | |
| 47 self.__networkManager.finished.connect(self.__loop.quit) | |
| 48 | |
| 49 def get(self, requestUrl, extraHeaders=None): | |
| 50 """ | |
| 51 Public method to issue a GET request. | |
| 52 | |
| 53 @param requestUrl URL of the request (QUrl) | |
| 54 @keyparam extraHeaders list of tuples of additional headers giving | |
| 55 header name (string) and header value (string) | |
| 56 @return server response (QByteArray) or error message (string) | |
| 57 """ | |
| 58 request = QNetworkRequest(requestUrl) | |
| 59 request.setAttribute(QNetworkRequest.FollowRedirectsAttribute, True) | |
| 60 if extraHeaders: | |
| 61 for name, value in extraHeaders: | |
| 62 request.setRawHeader(name, value) | |
| 63 reply = self.__networkManager.get(request) | |
| 64 if not self.__loop.isRunning(): | |
| 65 self.__loop.exec_() | |
| 66 if reply.error() != QNetworkReply.NoError: | |
| 67 return reply.errorString(), False | |
| 68 else: | |
| 69 return reply.readAll(), True | |
| 70 | |
| 71 def post(self, requestUrl, requestData, dataType="form", | |
| 72 extraHeaders=None): | |
| 73 """ | |
| 74 Public method to issue a POST request. | |
| 75 | |
| 76 @param requestUrl URL of the request (QUrl) | |
| 77 @param requestData data of the request (QByteArray) | |
| 78 @keyparam dataType type of the request data (string) | |
| 79 @keyparam extraHeaders list of tuples of additional headers giving | |
| 80 header name (string) and header value (string) | |
| 81 @return tuple of server response (string) and flag indicating | |
| 82 success (boolean) | |
| 83 """ | |
| 84 request = QNetworkRequest(requestUrl) | |
| 85 request.setRawHeader(b"User-Agent", | |
| 86 b"Mozilla/5.0") | |
| 87 request.setRawHeader(b"Content-Type", | |
| 88 self.__contentTypes[dataType]) | |
| 89 request.setRawHeader(b"Content-Length", | |
| 90 QByteArray.number(requestData.size())) | |
| 91 if qVersion() >= "5.6.0": | |
| 92 request.setAttribute(QNetworkRequest.FollowRedirectsAttribute, | |
| 93 True) | |
| 94 if extraHeaders: | |
| 95 for name, value in extraHeaders: | |
| 96 request.setRawHeader(name, value) | |
| 97 reply = self.__networkManager.post(request, requestData) | |
| 98 if not self.__loop.isRunning(): | |
| 99 self.__loop.exec_() | |
| 100 if reply.error() != QNetworkReply.NoError: | |
| 101 return reply.errorString(), False | |
| 102 else: | |
| 103 return str(reply.readAll(), "utf-8", "replace"), True |
