Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Plugins/UiExtensionPlugins/Translator/TranslatorRequest.py	Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a synchronous network request handler for translation
+requests.
+"""
+
+from PyQt6.QtCore import QObject, QEventLoop, QByteArray
+from PyQt6.QtNetwork import (
+    QNetworkAccessManager, QNetworkRequest, QNetworkReply
+)
+
+from EricNetwork.EricNetworkProxyFactory import proxyAuthenticationRequired
+
+
+class TranslatorRequest(QObject):
+    """
+    Class implementing a synchronous network request handler for translation
+    requests.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent reference to the parent object
+        @type QObject
+        """
+        super().__init__(parent)
+        
+        self.__contentTypes = {
+            "form": b"application/x-www-form-urlencoded",
+            "json": b"application/json",
+        }
+        
+        self.__networkManager = QNetworkAccessManager(self)
+        self.__networkManager.proxyAuthenticationRequired.connect(
+            proxyAuthenticationRequired)
+        
+        self.__loop = QEventLoop()
+        self.__networkManager.finished.connect(self.__loop.quit)
+    
+    def get(self, requestUrl, extraHeaders=None):
+        """
+        Public method to issue a GET request.
+        
+        @param requestUrl URL of the request
+        @type QUrl
+        @param extraHeaders list of tuples of additional headers giving
+            header name and header value
+        @type tuple of (bytes, bytes)
+        @return server response or an error message and a success flag
+        @rtype tuple of (QByteArray or str, bool)
+        """
+        request = QNetworkRequest(requestUrl)
+        if extraHeaders:
+            for name, value in extraHeaders:
+                request.setRawHeader(name, value)
+        reply = self.__networkManager.get(request)
+        if not self.__loop.isRunning():
+            self.__loop.exec()
+        if reply.error() != QNetworkReply.NetworkError.NoError:
+            return reply.errorString(), False
+        else:
+            return reply.readAll(), True
+    
+    def post(self, requestUrl, requestData, dataType="form",
+             extraHeaders=None):
+        """
+        Public method to issue a POST request.
+        
+        @param requestUrl URL of the request
+        @type QUrl
+        @param requestData data of the request
+        @type QByteArray
+        @param dataType type of the request data
+        @type str
+        @param extraHeaders list of tuples of additional headers giving
+            header name and header value
+        @type list of tuple of (bytes, bytes)
+        @return tuple of server response (string) and flag indicating
+            success (boolean)
+        @rtype tuple of (str, bool)
+        """
+        request = QNetworkRequest(requestUrl)
+        request.setRawHeader(b"User-Agent",
+                             b"Mozilla/5.0")
+        request.setRawHeader(b"Content-Type",
+                             self.__contentTypes[dataType])
+        request.setRawHeader(b"Content-Length",
+                             QByteArray.number(requestData.size()))
+        if extraHeaders:
+            for name, value in extraHeaders:
+                request.setRawHeader(name, value)
+        request.setUrl(requestUrl)
+        reply = self.__networkManager.post(request, requestData)
+        if not self.__loop.isRunning():
+            self.__loop.exec()
+        if reply.error() != QNetworkReply.NetworkError.NoError:
+            return reply.errorString(), False
+        else:
+            return str(reply.readAll(), "utf-8", "replace"), True