Mercurial Repositories > eric / file comparison
comparison: Helpviewer/History/HistoryManager.py
Helpviewer/History/HistoryManager.py
- changeset 7
- c679fb30c8f3
- parent 0
- de9c2efb9d02
- child 9
- 911a9f7aef1e
equal
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replaced
| 6:52e8c820d0dd | 7:c679fb30c8f3 |
|---|---|
| 339 """Reason: {1}""")\ | 339 """Reason: {1}""")\ |
| 340 .format(historyFile.fileName, historyFile.errorString())) | 340 .format(historyFile.fileName, historyFile.errorString())) |
| 341 return | 341 return |
| 342 | 342 |
| 343 history = [] | 343 history = [] |
| 344 historyStream = QDataStream(historyFile) | |
| 345 | 344 |
| 346 # double check, that the history file is sorted as it is read | 345 # double check, that the history file is sorted as it is read |
| 347 needToSort = False | 346 needToSort = False |
| 348 lastInsertedItem = HistoryEntry() | 347 lastInsertedItem = HistoryEntry() |
| 349 data = QByteArray() | 348 data = QByteArray(historyFile.readAll()) |
| 350 stream = QDataStream() | 349 stream = QDataStream(data, QIODevice.ReadOnly) |
| 351 buffer = QBuffer() | 350 while not stream.atEnd(): |
| 352 stream.setDevice(buffer) | |
| 353 while not historyFile.atEnd(): | |
| 354 historyStream >> data | |
| 355 buffer.close() | |
| 356 buffer.setBuffer(data) | |
| 357 buffer.open(QIODevice.ReadOnly) | |
| 358 ver = stream.readUInt32() | 351 ver = stream.readUInt32() |
| 359 if ver != HISTORY_VERSION: | 352 if ver != HISTORY_VERSION: |
| 360 continue | 353 continue |
| 361 itm = HistoryEntry() | 354 itm = HistoryEntry() |
| 362 stream.readString(itm.url) | 355 itm.url = stream.readString() |
| 363 stream.readString(itm.dateTime) | 356 stream >> itm.dateTime |
| 364 stream.readString(itm.title) | 357 itm.title = stream.readString() |
| 365 | 358 |
| 366 if not itm.dateTime.isValid(): | 359 if not itm.dateTime.isValid(): |
| 367 continue | 360 continue |
| 368 | 361 |
| 369 if itm == lastInsertedItem: | 362 if itm == lastInsertedItem: |
| 393 """ | 386 """ |
| 394 historyFile = QFile(Utilities.getConfigDir() + "/browser/history") | 387 historyFile = QFile(Utilities.getConfigDir() + "/browser/history") |
| 395 if not historyFile.exists(): | 388 if not historyFile.exists(): |
| 396 self.__lastSavedUrl = "" | 389 self.__lastSavedUrl = "" |
| 397 | 390 |
| 398 saveAll = self.__lastSavedUrl = "" | 391 saveAll = self.__lastSavedUrl == "" |
| 399 first = len(self.__history) - 1 | 392 first = len(self.__history) - 1 |
| 400 if not saveAll: | 393 if not saveAll: |
| 401 # find the first one to save | 394 # find the first one to save |
| 402 for index in range(len(self.__history)): | 395 for index in range(len(self.__history)): |
| 403 if self.__history[index].url == self.__lastSavedUrl: | 396 if self.__history[index].url == self.__lastSavedUrl: |
| 404 first = index - 1 | 397 first = index - 1 |
| 405 break | 398 break |
| 406 if first == len(self.__history) - 1: | 399 if first == len(self.__history) - 1: |
| 407 saveAll = True | 400 saveAll = True |
| 408 | 401 |
| 409 # use a temporary file when saving everything | |
| 410 tempFile = QTemporaryFile() | |
| 411 if saveAll: | 402 if saveAll: |
| 412 opened = tempFile.open() | 403 # use a temporary file when saving everything |
| 404 f = QTemporaryFile() | |
| 405 opened = f.open() | |
| 413 else: | 406 else: |
| 414 opened = historyFile.open(QIODevice.Append) | 407 f = historyFile |
| 408 opened = f.open(QIODevice.Append) | |
| 415 | 409 |
| 416 if not opened: | 410 if not opened: |
| 417 if saveAll: | |
| 418 f = tempFile | |
| 419 else: | |
| 420 f = historyFile | |
| 421 QMessageBox.warning(None, | 411 QMessageBox.warning(None, |
| 422 self.trUtf8("Saving History"), | 412 self.trUtf8("Saving History"), |
| 423 self.trUtf8("""Unable to open history file <b>{0}</b>.<br/>""" | 413 self.trUtf8("""Unable to open history file <b>{0}</b>.<br/>""" |
| 424 """Reason: {1}""")\ | 414 """Reason: {1}""")\ |
| 425 .format(f.fileName, f.errorString())) | 415 .format(f.fileName(), f.errorString())) |
| 426 return | 416 return |
| 427 | 417 |
| 428 if saveAll: | |
| 429 historyStream = QDataStream(tempFile) | |
| 430 else: | |
| 431 historyStream = QDataStream(historyFile) | |
| 432 for index in range(first, -1, -1): | 418 for index in range(first, -1, -1): |
| 433 data = QByteArray() | 419 data = QByteArray() |
| 434 stream = QDataStream(data, QIODevice.WriteOnly) | 420 stream = QDataStream(data, QIODevice.WriteOnly) |
| 435 itm = self.__history[index] | 421 itm = self.__history[index] |
| 436 stream.writeUInt32(HISTORY_VERSION) | 422 stream.writeUInt32(HISTORY_VERSION) |
| 437 stream.writeString(itm.url) | 423 stream.writeString(itm.url) |
| 438 stream << itm.dateTime | 424 stream << itm.dateTime |
| 439 stream.writeString(itm.title) | 425 stream.writeString(itm.title) |
| 440 historyStream << data | 426 f.write(data) |
| 441 | 427 |
| 428 f.close() | |
| 442 if saveAll: | 429 if saveAll: |
| 443 tempFile.close() | |
| 444 if historyFile.exists() and not historyFile.remove(): | 430 if historyFile.exists() and not historyFile.remove(): |
| 445 QMessageBox.warning(None, | 431 QMessageBox.warning(None, |
| 446 self.trUtf8("Saving History"), | 432 self.trUtf8("Saving History"), |
| 447 self.trUtf8("""Error removing old history file <b>{0}</b>.""" | 433 self.trUtf8("""Error removing old history file <b>{0}</b>.""" |
| 448 """<br/>Reason: {1}""")\ | 434 """<br/>Reason: {1}""")\ |
| 449 .format(historyFile.fileName, historyFile.errorString())) | 435 .format(historyFile.fileName(), historyFile.errorString())) |
| 450 if not tempFile.copy(historyFile.fileName()): | 436 if not f.copy(historyFile.fileName()): |
| 451 QMessageBox.warning(None, | 437 QMessageBox.warning(None, |
| 452 self.trUtf8("Saving History"), | 438 self.trUtf8("Saving History"), |
| 453 self.trUtf8("""Error moving new history file over old one """ | 439 self.trUtf8("""Error moving new history file over old one """ |
| 454 """(<b>{0}</b>).<br/>Reason: {1}""")\ | 440 """(<b>{0}</b>).<br/>Reason: {1}""")\ |
| 455 .format(historyFile.fileName(), tempFile.errorString())) | 441 .format(historyFile.fileName(), tempFile.errorString())) |
| 456 else: | |
| 457 historyFile.close() | |
| 458 | 442 |
| 459 try: | 443 try: |
| 460 self.__lastSavedUrl = self.__history[0].url | 444 self.__lastSavedUrl = self.__history[0].url |
| 461 except IndexError: | 445 except IndexError: |
| 462 self.__lastSavedUrl = "" | 446 self.__lastSavedUrl = "" |
