--- a/src/eric7/ViewManager/ViewManager.py Sat Apr 20 18:02:35 2024 +0200
+++ b/src/eric7/ViewManager/ViewManager.py Sat Apr 20 19:56:02 2024 +0200
@@ -147,6 +147,7 @@
# initialize the file system watcher
watcher = EricFileSystemWatcher.instance()
watcher.fileModified.connect(self.__watchedFileChanged)
+ watcher.error.connect(self.__watcherError)
self.__watchedFilePaths = []
@@ -5712,7 +5713,8 @@
newWin, editor = self.getEditor(
fn, filetype=filetype, addNext=addNext, indexes=indexes
)
- except (OSError, UnicodeDecodeError):
+ except (OSError, UnicodeDecodeError) as err:
+ print(str(err))
return None
if newWin:
@@ -6107,6 +6109,9 @@
filetype=filetype,
tv=ericApp().getObject("TaskViewer"),
)
+
+ self.addWatchedFilePath(fn)
+
editor = assembly.getEditor()
self.editors.append(editor)
self.__connectEditor(editor)
@@ -6115,8 +6120,6 @@
self.editorOpenedEd.emit(editor)
self.editorCountChanged.emit(len(self.editors))
- self.addWatchedFilePath(fn)
-
newWin = True
if newWin:
@@ -8067,6 +8070,43 @@
for editor in editorList:
editor.recordModificationTime()
+ @pyqtSlot(int, str)
+ def __watcherError(self, errno, strerror):
+ """
+ Private slot to handle an error of the file system watcher.
+
+ @param errno numeric error code
+ @type int
+ @param strerror error message as provided by the operating system
+ @type str
+ """
+ if errno == 24:
+ EricMessageBox.critical(
+ self,
+ self.tr("File System Watcher Error"),
+ self.tr(
+ """<p>The operating system resources for file system watches"""
+ """ are exhausted. This limit should be increased. On a Linux"""
+ """ system you should """
+ """<ul>"""
+ """<li>sudo nano /etc/sysctl.conf</li>"""
+ """<li>add to the bottom "fs.inotify.max_user_instances"""
+ """ = 1024"</li>"""
+ """<li>save and close the editor</li>"""
+ """<li>sudo sysctl -p</li>"""
+ """</ul></p><p>Error Message: {0}</p>"""
+ ).format(strerror),
+ )
+ else:
+ EricMessageBox.critical(
+ self,
+ self.tr("File System Watcher Error"),
+ self.tr(
+ "The file system watcher reported an error with code <b>{0}</b>."
+ "</p><p>Error Message: {1}</p>"
+ ).format(errno, strerror)
+ )
+
def addWatchedFilePath(self, filePath):
"""
Public method to add a file to the list of monitored files.
