Mercurial Repositories > eric / file comparison
comparison: Helpviewer/DownloadDialog.py
Helpviewer/DownloadDialog.py
- changeset 256
- 04083f42042d
- parent 168
- 3383117f894b
- child 277
- c1a90bd43161
- child 278
- c93823b96faa
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| 255:eb0ffc3f12a2 | 256:04083f42042d |
|---|---|
| 65 self.__page = webPage | 65 self.__page = webPage |
| 66 self.__toDownload = download | 66 self.__toDownload = download |
| 67 self.__bytesReceived = 0 | 67 self.__bytesReceived = 0 |
| 68 self.__downloadTime = QTime() | 68 self.__downloadTime = QTime() |
| 69 self.__output = QFile() | 69 self.__output = QFile() |
| 70 | 70 |
| 71 self.__initialize() | 71 def initialize(self): |
| 72 | 72 """ |
| 73 def __initialize(self): | 73 Public method to (re)initialize the dialog. |
| 74 """ | 74 |
| 75 Private method to (re)initialize the dialog. | 75 @return flag indicating success (boolean) |
| 76 """ | 76 """ |
| 77 if self.__reply is None: | 77 if self.__reply is None: |
| 78 return | 78 return |
| 79 | 79 |
| 80 self.__startedSaving = False | 80 self.__startedSaving = False |
| 92 self.connect(self.__reply, SIGNAL("finished()"), self.__finished) | 92 self.connect(self.__reply, SIGNAL("finished()"), self.__finished) |
| 93 | 93 |
| 94 # reset info | 94 # reset info |
| 95 self.infoLabel.clear() | 95 self.infoLabel.clear() |
| 96 self.progressBar.setValue(0) | 96 self.progressBar.setValue(0) |
| 97 self.__getFileName() | 97 if not self.__getFileName(): |
| 98 return False | |
| 98 | 99 |
| 99 # start timer for the download estimation | 100 # start timer for the download estimation |
| 100 self.__downloadTime.start() | 101 self.__downloadTime.start() |
| 101 | 102 |
| 102 if self.__reply.error() != QNetworkReply.NoError: | 103 if self.__reply.error() != QNetworkReply.NoError: |
| 103 self.__networkError() | 104 self.__networkError() |
| 104 self.__finished() | 105 self.__finished() |
| 106 return False | |
| 107 | |
| 108 return True | |
| 105 | 109 |
| 106 def __getFileName(self): | 110 def __getFileName(self): |
| 107 """ | 111 """ |
| 108 Private method to get the filename to save to from the user. | 112 Private method to get the filename to save to from the user. |
| 113 | |
| 114 @return flag indicating success (boolean) | |
| 109 """ | 115 """ |
| 110 downloadDirectory = Preferences.getUI("DownloadPath") | 116 downloadDirectory = Preferences.getUI("DownloadPath") |
| 111 if not downloadDirectory: | 117 if not downloadDirectory: |
| 112 downloadDirectory = \ | 118 downloadDirectory = \ |
| 113 QDesktopServices.storageLocation(QDesktopServices.DocumentsLocation) | 119 QDesktopServices.storageLocation(QDesktopServices.DocumentsLocation) |
| 128 QMessageBox.Save | \ | 134 QMessageBox.Save | \ |
| 129 QMessageBox.Cancel)) | 135 QMessageBox.Cancel)) |
| 130 if res == QMessageBox.Cancel: | 136 if res == QMessageBox.Cancel: |
| 131 self.__stop() | 137 self.__stop() |
| 132 self.close() | 138 self.close() |
| 133 return | 139 return False |
| 134 | 140 |
| 135 self.__autoOpen = res == QMessageBox.Open | 141 self.__autoOpen = res == QMessageBox.Open |
| 136 fileName = QDesktopServices.storageLocation(QDesktopServices.TempLocation) + \ | 142 fileName = QDesktopServices.storageLocation(QDesktopServices.TempLocation) + \ |
| 137 '/' + baseName | 143 '/' + baseName |
| 138 | 144 |
| 144 "") | 150 "") |
| 145 if not fileName: | 151 if not fileName: |
| 146 self.__reply.close() | 152 self.__reply.close() |
| 147 if not self.keepOpenCheckBox.isChecked(): | 153 if not self.keepOpenCheckBox.isChecked(): |
| 148 self.close() | 154 self.close() |
| 155 return False | |
| 149 else: | 156 else: |
| 150 self.filenameLabel.setText(self.trUtf8("Download canceled: {0}")\ | 157 self.filenameLabel.setText(self.trUtf8("Download canceled: {0}")\ |
| 151 .format(QFileInfo(defaultFileName).fileName())) | 158 .format(QFileInfo(defaultFileName).fileName())) |
| 152 self.__stop() | 159 self.__stop() |
| 153 return | 160 return True |
| 154 | 161 |
| 155 self.__output.setFileName(fileName) | 162 self.__output.setFileName(fileName) |
| 156 self.filenameLabel.setText(QFileInfo(self.__output.fileName()).fileName()) | 163 self.filenameLabel.setText(QFileInfo(self.__output.fileName()).fileName()) |
| 157 if self.__requestFilename: | 164 if self.__requestFilename: |
| 158 self.__readyRead() | 165 self.__readyRead() |
| 166 | |
| 167 return True | |
| 159 | 168 |
| 160 def __saveFileName(self, directory): | 169 def __saveFileName(self, directory): |
| 161 """ | 170 """ |
| 162 Private method to calculate a name for the file to download. | 171 Private method to calculate a name for the file to download. |
| 163 | 172 |
| 242 nam = QNetworkAccessManager() | 251 nam = QNetworkAccessManager() |
| 243 reply = nam.get(QNetworkRequest(self.__url)) | 252 reply = nam.get(QNetworkRequest(self.__url)) |
| 244 if self.__output.exists(): | 253 if self.__output.exists(): |
| 245 self.__output.remove() | 254 self.__output.remove() |
| 246 self.__reply = reply | 255 self.__reply = reply |
| 247 self.__initialize() | 256 self.initialize() |
| 248 | 257 |
| 249 def __readyRead(self): | 258 def __readyRead(self): |
| 250 """ | 259 """ |
| 251 Private slot to read the available data. | 260 Private slot to read the available data. |
| 252 """ | 261 """ |
| 295 locationHeader = self.__reply.header(QNetworkRequest.LocationHeader) | 304 locationHeader = self.__reply.header(QNetworkRequest.LocationHeader) |
| 296 if locationHeader.isValid(): | 305 if locationHeader.isValid(): |
| 297 self.__url = locationHeader | 306 self.__url = locationHeader |
| 298 self.__reply = Helpviewer.HelpWindow.HelpWindow.networkAccessManager().get( | 307 self.__reply = Helpviewer.HelpWindow.HelpWindow.networkAccessManager().get( |
| 299 QNetworkRequest(self.__url)) | 308 QNetworkRequest(self.__url)) |
| 300 self.__initialize() | 309 self.initialize() |
| 301 | 310 |
| 302 def __downloadProgress(self, received, total): | 311 def __downloadProgress(self, received, total): |
| 303 """ | 312 """ |
| 304 Private method show the download progress. | 313 Private method show the download progress. |
| 305 | 314 |
| 373 """ | 382 """ |
| 374 unit = "" | 383 unit = "" |
| 375 if size < 1024: | 384 if size < 1024: |
| 376 unit = self.trUtf8("bytes") | 385 unit = self.trUtf8("bytes") |
| 377 elif size < 1024 * 1024: | 386 elif size < 1024 * 1024: |
| 378 size //= 1024 | 387 size /= 1024 |
| 379 unit = self.trUtf8("kB") | 388 unit = self.trUtf8("kB") |
| 380 else: | 389 else: |
| 381 size //= 1024 * 1024 | 390 size /= 1024 * 1024 |
| 382 unit = self.trUtf8("MB") | 391 unit = self.trUtf8("MB") |
| 383 return "{0} {1}".format(size, unit) | 392 return "{0:.1f} {1}".format(size, unit) |
| 384 | 393 |
| 385 def __downloading(self): | 394 def __downloading(self): |
| 386 """ | 395 """ |
| 387 Private method to determine, if a download is in progress. | 396 Private method to determine, if a download is in progress. |
| 388 | 397 |
| 414 def closeEvent(self, evt): | 423 def closeEvent(self, evt): |
| 415 """ | 424 """ |
| 416 Protected method called when the dialog is closed. | 425 Protected method called when the dialog is closed. |
| 417 """ | 426 """ |
| 418 self.__output.close() | 427 self.__output.close() |
| 428 | |
| 429 self.disconnect(self.__reply, SIGNAL("readyRead()"), self.__readyRead) | |
| 430 self.disconnect(self.__reply, SIGNAL("error(QNetworkReply::NetworkError)"), | |
| 431 self.__networkError) | |
| 432 self.disconnect(self.__reply, SIGNAL("downloadProgress(qint64, qint64)"), | |
| 433 self.__downloadProgress) | |
| 434 self.disconnect(self.__reply, SIGNAL("metaDataChanged()"), | |
| 435 self.__metaDataChanged) | |
| 436 self.disconnect(self.__reply, SIGNAL("finished()"), self.__finished) | |
| 437 self.__reply.close() | |
| 438 self.__reply.deleteLater() | |
| 439 | |
| 419 self.done.emit() | 440 self.done.emit() |
