Mercurial Repositories > eric / file comparison
comparison: eric7/HexEdit/HexEditMainWindow.py
eric7/HexEdit/HexEditMainWindow.py
- branch
- eric7
- changeset 9162
- 8b75b1668583
- parent 9153
- 506e35e424d5
- child 9165
- 17617e5d5473
equal
deleted
inserted
replaced
| 9161:90939b08da20 | 9162:8b75b1668583 |
|---|---|
| 10 import os | 10 import os |
| 11 import contextlib | 11 import contextlib |
| 12 import pathlib | 12 import pathlib |
| 13 | 13 |
| 14 from PyQt6.QtCore import ( | 14 from PyQt6.QtCore import ( |
| 15 pyqtSignal, pyqtSlot, QFile, QSize, QCoreApplication, QLocale, QIODevice | 15 pyqtSignal, pyqtSlot, QSize, QCoreApplication, QLocale |
| 16 ) | 16 ) |
| 17 from PyQt6.QtGui import QKeySequence, QAction | 17 from PyQt6.QtGui import QKeySequence, QAction |
| 18 from PyQt6.QtWidgets import ( | 18 from PyQt6.QtWidgets import ( |
| 19 QWhatsThis, QLabel, QWidget, QVBoxLayout, QDialog, QFrame, QMenu | 19 QWhatsThis, QLabel, QWidget, QVBoxLayout, QDialog, QFrame, QMenu |
| 20 ) | 20 ) |
| 982 Private method to load a binary file. | 982 Private method to load a binary file. |
| 983 | 983 |
| 984 @param fileName name of the binary file to load | 984 @param fileName name of the binary file to load |
| 985 @type str | 985 @type str |
| 986 """ | 986 """ |
| 987 file = QFile(fileName) | 987 if not os.path.exists(fileName): |
| 988 if not file.exists(): | |
| 989 EricMessageBox.warning( | 988 EricMessageBox.warning( |
| 990 self, self.tr("eric Hex Editor"), | 989 self, self.tr("eric Hex Editor"), |
| 991 self.tr("The file '{0}' does not exist.") | 990 self.tr("The file '{0}' does not exist.") |
| 992 .format(fileName)) | 991 .format(fileName)) |
| 993 return | 992 return |
| 994 | 993 |
| 995 if not file.open(QIODevice.OpenModeFlag.ReadOnly): | 994 try: |
| 995 with open(fileName, "rb") as f: | |
| 996 data = f.read() | |
| 997 except OSError as err: | |
| 996 EricMessageBox.warning( | 998 EricMessageBox.warning( |
| 997 self, self.tr("eric Hex Editor"), | 999 self, self.tr("eric Hex Editor"), |
| 998 self.tr("Cannot read file '{0}:\n{1}.") | 1000 self.tr("<p>Cannot read file <b>{0}</b>.</p><p>Reason:{1}</p>") |
| 999 .format(fileName, file.errorString())) | 1001 .format(fileName, str(err))) |
| 1000 return | 1002 return |
| 1001 | |
| 1002 data = file.readAll() | |
| 1003 file.close() | |
| 1004 | 1003 |
| 1005 self.__lastOpenPath = os.path.dirname(fileName) | 1004 self.__lastOpenPath = os.path.dirname(fileName) |
| 1006 self.__editor.setData(data) | 1005 self.__editor.setData(data) |
| 1007 self.__setCurrentFile(fileName) | 1006 self.__setCurrentFile(fileName) |
| 1008 | 1007 |
| 1103 @param fileName name of the file to write to | 1102 @param fileName name of the file to write to |
| 1104 @type str | 1103 @type str |
| 1105 @return flag indicating success | 1104 @return flag indicating success |
| 1106 @rtype bool | 1105 @rtype bool |
| 1107 """ | 1106 """ |
| 1108 file = QFile(fileName) | 1107 try: |
| 1109 if not file.open(QIODevice.OpenModeFlag.WriteOnly): | 1108 with open(fileName, "wb") as f: |
| 1109 f.write(self.__editor.data()) | |
| 1110 except OSError as err: | |
| 1110 EricMessageBox.warning( | 1111 EricMessageBox.warning( |
| 1111 self, self.tr("eric Hex Editor"), | 1112 self, self.tr("eric Hex Editor"), |
| 1112 self.tr("Cannot write file '{0}:\n{1}.") | 1113 self.tr("<p>Cannot write file <b>{0}</b>.</p>" |
| 1113 .format(fileName, file.errorString())) | 1114 "<p>Reason:{1}</p>") |
| 1114 | 1115 .format(fileName, str(err))) |
| 1115 self.__checkActions() | 1116 self.__checkActions() |
| 1116 | |
| 1117 return False | |
| 1118 | |
| 1119 res = file.write(self.__editor.data()) != -1 | |
| 1120 file.close() | |
| 1121 | |
| 1122 if not res: | |
| 1123 EricMessageBox.warning( | |
| 1124 self, self.tr("eric Hex Editor"), | |
| 1125 self.tr("Cannot write file '{0}:\n{1}.") | |
| 1126 .format(fileName, file.errorString())) | |
| 1127 | |
| 1128 self.__checkActions() | |
| 1129 | |
| 1130 return False | 1117 return False |
| 1131 | 1118 |
| 1132 self.__editor.setModified(False, setCleanState=True) | 1119 self.__editor.setModified(False, setCleanState=True) |
| 1133 | 1120 |
| 1134 self.__setCurrentFile(fileName) | 1121 self.__setCurrentFile(fileName) |
