Added crash_reporter.py

osxphotos/crash_reporter.py

@@ -0,0 +1,46 @@
+"""Error logger/crash reporter decorator"""
+
+import datetime
+import functools
+import platform
+import sys
+import traceback
+
+from rich import print
+
+
+def crash_reporter(filename, message, title, postamble, *extra_args):
+    """Create a crash dump file on error named filename
+
+    On error, create a crash dump file named filename with exception and stack trace.
+    message is printed to stderr
+    title is printed at beginning of crash dump file
+    postamble is printed to stderr after crash dump file is created
+    If extra_args is not None, any additional arguments to the function will be printed to the file.
+    """
+
+    def decorated(func):
+        @functools.wraps(func)
+        def wrapped(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except Exception as e:
+                print(message, file=sys.stderr)
+                print(f"[red]{e}[/red]", file=sys.stderr)
+                with open(filename, "w") as f:
+                    f.write(f"{title}\n")
+                    f.write(f"Created: {datetime.datetime.now()}\n")
+                    f.write(f"Python version: {sys.version}\n")
+                    f.write(f"Platform: {platform.platform()}\n")
+                    f.write(f"sys.argv: {sys.argv}\n")
+                    for arg in extra_args:
+                        f.write(f"{arg}\n")
+                    f.write(f"Error: {e}\n")
+                    traceback.print_exc(file=f)
+                print(f"Crash log written to '{filename}'", file=sys.stderr)
+                print(f"{postamble}", file=sys.stderr)
+                sys.exit(1)
+
+        return wrapped
+
+    return decorated