Updated log names. Should be easier to find if you forget to delete old logs. Now just called fenrir.log, we don't tend to need to have multiple logs anyway.

README.md

@@ -736,7 +736,7 @@ send_fenrir_command("setting set speech#rate=0.9")
 
 **Commands not working:**
 - Verify `enable_command_remote=True` in settings
-- Check Fenrir debug logs: `/var/log/fenrir.log`
+- Check Fenrir debug logs: `/tmp/fenrir.log`
 - Test with simple command: `echo "command interrupt" | socat - UNIX-CLIENT:/tmp/fenrirscreenreader-daemon.sock`
 
 ## Command Line Options

bugs

@@ -3,13 +3,13 @@ https://git.stormux.org/storm/fenrir/issues
 
 For bugs, please provide a debug file that shows the issue.
 How to create a debug file:
-1. first delete old stuff:
-sudo rm /var/log/fenrir.log
-2. start fenrir in debug mode
+1. start fenrir in debug mode
 sudo fenrir -d
 <do your stuff>
-3. 
+2. 
 stop fenrir (fenrirKey + q)
-the debug file is in /var/log/fenrir.log
+the debug file is in /tmp/fenrir.log
+if another Fenrir debug instance is already using it, check /tmp/fenrir2.log,
+/tmp/fenrir3.log, etc.
 
 please be as precise as possible to make it easy to solve the problem.

config/settings/settings.conf

@@ -183,7 +183,8 @@ double_tap_timeout=0.2
 # The default is 0, no logging.
 debug_level=0
 # debugMode sets where the debug output should send to:
-# debugMode=File writes to debug_file (Default:/tmp/fenrir-PID.log)
+# debugMode=File writes to debug_file (Default:/tmp/fenrir.log)
+# If the default log is already in use, Fenrir uses /tmp/fenrir2.log, etc.
 # debugMode=Print just prints on the screen
 debug_mode=File
 debug_file=

docs/development.txt

@@ -114,7 +114,7 @@ sudo ./fenrir -f -d -p
 
 # Debug output goes to:
 # - Console (with -p flag)
-# - /var/log/fenrir.log
+# - /tmp/fenrir.log
 ```
 
 ## Creating Commands

docs/fenrir.1

@@ -50,7 +50,9 @@ Multiple settings can be separated by semicolons.
 
 .TP
 .BR \-d ", " \-\-debug
-Enable debug mode. Debug information will be logged to /var/log/fenrir.log.
+Enable debug mode. Debug information will be logged to /tmp/fenrir.log by
+default. If another Fenrir debug instance is already using it, Fenrir uses
+/tmp/fenrir2.log, /tmp/fenrir3.log, etc.
 
 .TP
 .BR \-p ", " \-\-print
@@ -476,7 +478,7 @@ User sound themes
 User scripts
 
 .TP
-.B /var/log/fenrir.log
+.B /tmp/fenrir.log
 Debug log file
 
 .TP

docs/fenrir.adoc

@@ -2276,13 +2276,13 @@ that shows the issue.
 
 ==== How-to create a debug file
 
-. Delete old debug stuff +
-`+sudo rm /var/log/fenrir.log+`
 . Start fenrir in debug mode +
 `+sudo fenrir -d+`
 . Do your stuff to reproduce the problem
 . Stop fenrir (`+fenrirKey + q+`)
 
-the debug file is located in `+/var/log/fenrir.log+`
+the debug file is located in `+/tmp/fenrir.log+`. If another Fenrir debug
+instance is already using it, check `+/tmp/fenrir2.log+`,
+`+/tmp/fenrir3.log+`, etc.
 
 Please be as precise as possible to make it easy to solve the problem.

docs/user.md

@@ -428,7 +428,7 @@ For a dedicated PTY/terminal screen reader, see TDSR: https://github.com/tspivey
 ### Debug Mode
 ```bash
 sudo fenrir -f -d
-# Debug output goes to /var/log/fenrir.log
+# Debug output goes to /tmp/fenrir.log
 ```
 
 ## Getting Help

docs/user.txt

@@ -1315,10 +1315,11 @@ Please report Bugs and feature requests to:
 
 for bugs please provide a [[#Howto create a debug file|debug]] file that shows the issue.
 ==== How-to create a debug file ====
-  - Delete old debug stuff\\  ''sudo rm /var/log/fenrir.log''
   - Start fenrir in debug mode\\ ''sudo fenrir -d''
   - Do your stuff to reproduce the problem
   - Stop fenrir (''fenrirKey + q'')
-the debug file is located in ''/var/log/fenrir.log''
+the debug file is located in ''/tmp/fenrir.log''. If another Fenrir debug
+instance is already using it, check ''/tmp/fenrir2.log'',
+''/tmp/fenrir3.log'', etc.
 
 Please be as precise as possible to make it easy to solve the problem.

src/fenrirscreenreader/core/debugManager.py

@@ -3,24 +3,22 @@
 
 import os
 import pathlib
+import fcntl
 from datetime import datetime
 
 from fenrirscreenreader.core import debug
 
 
 class DebugManager:
+    DEFAULT_LOG_DIR = "/tmp"
+    DEFAULT_LOG_BASENAME = "fenrir"
+    DEFAULT_LOG_EXTENSION = ".log"
+
     def __init__(self, file_name=""):
         self._file = None
         self._fileOpened = False
-        self._fileName = (
-            "/tmp/fenrir_"
-            + str(os.getpid())
-            + "_"
-            + str(datetime.utcnow().strftime("%Y-%m-%d_%H-%M-%S"))
-            + ".log"
-        )
-        if file_name != "":
         self._fileName = file_name
+        self._useDefaultLogName = file_name == ""
 
     def initialize(self, environment):
         self.env = environment
@@ -39,6 +37,10 @@ class DebugManager:
         self._fileOpened = False
         if file_name != "":
             self._fileName = file_name
+            self._useDefaultLogName = False
+        if self._useDefaultLogName:
+            self._open_default_debug_file()
+            return
         if self._fileName != "":
             directory = os.path.dirname(self._fileName)
             if not os.path.exists(directory):
@@ -51,6 +53,43 @@ class DebugManager:
             except Exception as e:
                 print(e)
 
+    def _open_default_debug_file(self):
+        pathlib.Path(self.DEFAULT_LOG_DIR).mkdir(parents=True, exist_ok=True)
+        log_number = 1
+        while True:
+            log_file = self._default_log_file_name(log_number)
+            try:
+                fd = os.open(
+                    log_file,
+                    os.O_CREAT | os.O_RDWR | os.O_NOFOLLOW,
+                    0o644,
+                )
+                file_obj = os.fdopen(fd, "a")
+                fcntl.flock(file_obj.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
+                file_obj.seek(0)
+                file_obj.truncate()
+                os.chmod(log_file, 0o644)
+                self._file = file_obj
+                self._fileName = log_file
+                self._fileOpened = True
+                return
+            except BlockingIOError:
+                try:
+                    file_obj.close()
+                except Exception:
+                    pass
+                log_number += 1
+            except OSError as e:
+                print(e)
+                return
+
+    def _default_log_file_name(self, log_number):
+        suffix = "" if log_number == 1 else str(log_number)
+        return os.path.join(
+            self.DEFAULT_LOG_DIR,
+            self.DEFAULT_LOG_BASENAME + suffix + self.DEFAULT_LOG_EXTENSION,
+        )
+
     def write_debug_out(
         self, text, level=debug.DebugLevel.DEACTIVE, on_any_level=False
     ):
@@ -120,3 +159,4 @@ class DebugManager:
     def set_debug_file(self, file_name):
         self.close_debug_file()
         self._fileName = file_name
+        self._useDefaultLogName = file_name == ""

tests/unit/test_debug_manager.py

@@ -0,0 +1,59 @@
+from fenrirscreenreader.core.debugManager import DebugManager
+
+
+def test_default_debug_file_uses_flat_name(tmp_path, monkeypatch):
+    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
+    manager = DebugManager()
+    try:
+        manager.open_debug_file()
+
+        assert manager.get_debug_file() == str(tmp_path / "fenrir.log")
+        assert (tmp_path / "fenrir.log").exists()
+    finally:
+        manager.close_debug_file()
+
+
+def test_default_debug_file_uses_next_number_when_locked(
+    tmp_path, monkeypatch
+):
+    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
+    first_manager = DebugManager()
+    second_manager = DebugManager()
+    try:
+        first_manager.open_debug_file()
+        second_manager.open_debug_file()
+
+        assert first_manager.get_debug_file() == str(tmp_path / "fenrir.log")
+        assert second_manager.get_debug_file() == str(
+            tmp_path / "fenrir2.log"
+        )
+        assert (tmp_path / "fenrir2.log").exists()
+    finally:
+        second_manager.close_debug_file()
+        first_manager.close_debug_file()
+
+
+def test_default_debug_file_reuses_unlocked_flat_name(tmp_path, monkeypatch):
+    monkeypatch.setattr(DebugManager, "DEFAULT_LOG_DIR", str(tmp_path))
+    first_manager = DebugManager()
+    second_manager = DebugManager()
+    try:
+        first_manager.open_debug_file()
+        first_manager.close_debug_file()
+        second_manager.open_debug_file()
+
+        assert second_manager.get_debug_file() == str(tmp_path / "fenrir.log")
+    finally:
+        second_manager.close_debug_file()
+
+
+def test_explicit_debug_file_uses_exact_path(tmp_path):
+    debug_file = tmp_path / "custom.log"
+    manager = DebugManager(str(debug_file))
+    try:
+        manager.open_debug_file()
+
+        assert manager.get_debug_file() == str(debug_file)
+        assert debug_file.exists()
+    finally:
+        manager.close_debug_file()