feat: Add script error checking to log reader (#59)

Checks logs for mention of `SCRIPT ERROR` and prints corresponding lines.

reaper/cogs/log_reading.py

@@ -95,6 +95,7 @@ async def on_message(self, message):
         double_barrel_crash = False
         mod_problem = False
         invalid_value = False
+        script_error = []
         crash_counter = 0
         filename = None
         audio_list = []
@@ -243,6 +244,22 @@ async def on_message(self, message):
                 problem_found = True
                 framework_error = True
 
+            elif "SCRIPT ERROR" in line:
+                dm_log.add_field(
+                    name="",
+                    value="SCRIPT ERROR: True",
+                    inline=False,
+                )
+                logger.info("I found a script error!")
+                problem_found = True
+                j = i
+                script_read_failsafe = 15
+                while lines[j] != "" and j < i + script_read_failsafe:
+                    # script traceback ends with a blank line, 15 is just a failsafe
+                    script_error.append(lines[j])
+                    logger.info(lines[j])
+                    j += 1
+
             elif (
                 'Failed reading masterserver authentication response: encountered parse error "Invalid value."'
                 in line
@@ -428,6 +445,14 @@ async def on_message(self, message):
                     inline=False,
                 )
 
+            if script_error:
+                logger.info("adding field")
+                problem.add_field(
+                    name="Script Error",
+                    value=f"The following script error was found: \n ```{'\n'.join(script_error)}```\nYou likely have an old or outdated mod. You can try to find it based on the files listed in this part of the log and delete it, or wait for a human to give you more information.",
+                    inline=False,
+                )
+
             if mod_problem:
                 if double_barrel_crash: