Errors and other stuff

slow/_errors.py

@@ -0,0 +1,38 @@
+import inspect
+
+
+def error_not_async(func):
+    if not inspect.iscoroutinefunction(func):
+        lines, start = inspect.getsourcelines(func)
+
+        fdef_index = 0
+        while fdef_index < len(lines) and not lines[fdef_index].strip().startswith(
+            "def"
+        ):
+            fdef_index += 1
+
+        if fdef_index < len(lines):
+            line_num = start + fdef_index
+
+            fdef_content = lines[fdef_index].strip()
+
+            ERROR_HEADER = "\033[1m\033[91m[FATAL_EXECUTION_ERROR]: Non-Asynchronous Route Detected\033[0m"
+
+            ERROR_BODY = (
+                f"\n"
+                f'--> File "{inspect.getsourcefile(func)}", line {line_num}, in {func.__name__}\n\n'
+                f"\033[1m[CONSTRAINT_VIOLATION]\033[0m\n"
+                f"  Synchronous function used where an async coroutine was required.\n"
+                f"  \033[93mCode Traceback:\033[0m\n"
+                f"  {line_num}: \033[93m{fdef_content}\033[0m\n\n"
+                f"\033[1m[SUGGESTED_PATCH]\033[0m\n"
+                f"  Apply the 'async' keyword to the function signature:\n"
+                f"  {line_num}: \033[92masync {fdef_content}\033[0m"
+            )
+
+            raise RuntimeError(ERROR_HEADER + ERROR_BODY)
+
+        else:
+            raise RuntimeError(
+                "\033[1m\033[91m[FATAL_EXECUTION_ERROR]: Non-Asynchronous Route Detected\033[0m"
+            )