Mercurial Repositories > eric / file comparison
comparison: eric7/Plugins/UiExtensionPlugins/Translator/TranslatorRequest.py
eric7/Plugins/UiExtensionPlugins/Translator/TranslatorRequest.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8218
- 7c09585bd960
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2014 - 2021 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 PyQt5.QtCore import QObject, QEventLoop, QByteArray | |
| 12 from PyQt5.QtNetwork import ( | |
| 13 QNetworkAccessManager, QNetworkRequest, QNetworkReply | |
| 14 ) | |
| 15 | |
| 16 from E5Network.E5NetworkProxyFactory import proxyAuthenticationRequired | |
| 17 | |
| 18 | |
| 19 class TranslatorRequest(QObject): | |
| 20 """ | |
| 21 Class implementing a synchronous network request handler for translation | |
| 22 requests. | |
| 23 """ | |
| 24 def __init__(self, parent=None): | |
| 25 """ | |
| 26 Constructor | |
| 27 | |
| 28 @param parent reference to the parent object (QObject) | |
| 29 """ | |
| 30 super().__init__(parent) | |
| 31 | |
| 32 self.__contentTypes = { | |
| 33 "form": b"application/x-www-form-urlencoded", | |
| 34 "json": b"application/json", | |
| 35 } | |
| 36 | |
| 37 self.__networkManager = QNetworkAccessManager(self) | |
| 38 self.__networkManager.proxyAuthenticationRequired.connect( | |
| 39 proxyAuthenticationRequired) | |
| 40 | |
| 41 self.__loop = QEventLoop() | |
| 42 self.__networkManager.finished.connect(self.__loop.quit) | |
| 43 | |
| 44 def get(self, requestUrl, extraHeaders=None): | |
| 45 """ | |
| 46 Public method to issue a GET request. | |
| 47 | |
| 48 @param requestUrl URL of the request (QUrl) | |
| 49 @param extraHeaders list of tuples of additional headers giving | |
| 50 header name (string) and header value (string) | |
| 51 @return server response (QByteArray) or error message (string) | |
| 52 """ | |
| 53 request = QNetworkRequest(requestUrl) | |
| 54 request.setAttribute( | |
| 55 QNetworkRequest.Attribute.FollowRedirectsAttribute, True) | |
| 56 if extraHeaders: | |
| 57 for name, value in extraHeaders: | |
| 58 request.setRawHeader(name, value) | |
| 59 reply = self.__networkManager.get(request) | |
| 60 if not self.__loop.isRunning(): | |
| 61 self.__loop.exec() | |
| 62 if reply.error() != QNetworkReply.NetworkError.NoError: | |
| 63 return reply.errorString(), False | |
| 64 else: | |
| 65 return reply.readAll(), True | |
| 66 | |
| 67 def post(self, requestUrl, requestData, dataType="form", | |
| 68 extraHeaders=None): | |
| 69 """ | |
| 70 Public method to issue a POST request. | |
| 71 | |
| 72 @param requestUrl URL of the request (QUrl) | |
| 73 @param requestData data of the request (QByteArray) | |
| 74 @param dataType type of the request data (string) | |
| 75 @param extraHeaders list of tuples of additional headers giving | |
| 76 header name (string) and header value (string) | |
| 77 @return tuple of server response (string) and flag indicating | |
| 78 success (boolean) | |
| 79 """ | |
| 80 request = QNetworkRequest(requestUrl) | |
| 81 request.setRawHeader(b"User-Agent", | |
| 82 b"Mozilla/5.0") | |
| 83 request.setRawHeader(b"Content-Type", | |
| 84 self.__contentTypes[dataType]) | |
| 85 request.setRawHeader(b"Content-Length", | |
| 86 QByteArray.number(requestData.size())) | |
| 87 request.setAttribute( | |
| 88 QNetworkRequest.Attribute.FollowRedirectsAttribute, True) | |
| 89 if extraHeaders: | |
| 90 for name, value in extraHeaders: | |
| 91 request.setRawHeader(name, value) | |
| 92 request.setUrl(requestUrl) | |
| 93 reply = self.__networkManager.post(request, requestData) | |
| 94 if not self.__loop.isRunning(): | |
| 95 self.__loop.exec() | |
| 96 if reply.error() != QNetworkReply.NetworkError.NoError: | |
| 97 return reply.errorString(), False | |
| 98 else: | |
| 99 return str(reply.readAll(), "utf-8", "replace"), True |
