prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Regex assembler seems to be broken again.
  ### Describe the bug
  `util/regexp-assemble/regexp-assemble.py --log-level DEBUG update 942521`
  
  ```
  Processing 942521, chain offset 0
  detected processor: <class 'NoneType'>
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found simple comment
  Found regular input '##!^ ^\n'
  Found regular input '##!+ i\n'
  Found simple comment
  Found simple comment
  Found regular input "[^']*?(?:'[^']*?'[^']*?)*?'\\s*(\\w+)\\b\n"
  Found regular input '[^\\"]*?(?:\\"[^\\"]*?\\"[^\\"]*?)*?\\"\\s*(\\w+)\\b\n'
  Found regular input '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\s*(\\w+)\\b\n'
  processor will process: ['##!^ ^\n', '##!+ i\n', "[^']*?(?:'[^']*?'[^']*?)*?'\\s*(\\w+)\\b\n", '[^\\"]*?(?:\\"[^\\"]*?\\"[^\\"]*?)*?\\"\\s*(\\w+)\\b\n', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\s*(\\w+)\\b\n']
  preprocessed lines: ['##!^ ^\n', '##!+ i\n', "[^']*?(?:'[^']*?'[^']*?)*?'\\s*(\\w+)\\b\n", '[^\\"]*?(?:\\"[^\\"]*?\\"[^\\"]*?)*?\\"\\s*(\\w+)\\b\n', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\s*(\\w+)\\b\n']
  Completing assembly
  Running assembler with lines: ['##!^ ^', '##!+ i', "[^']*?(?:'[^']*?'[^']*?)*?'\\s*(\\w+)\\b", '[^\\"]*?(?:\\"[^\\"]*?\\"[^\\"]*?)*?\\"\\s*(\\w+)\\b', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\s*(\\w+)\\b']
  Assembler errors: b'', output b'(?i)^(?:[^\\"]*?(?:\\"[^\\"]*?\\"[^\\"]*?)*?\\"|[^\']*?(?:\'[^\']*?\'[^\']*?)*?\'|[^`]*?(?:`[^`]*?`[^`]*?)*?`)\\s*(\\w+)\\b\n'
  Completed assembly: (?i)^(?:[^\"]*?(?:\"[^\"]*?\"[^\"]*?)*?\"|[^']*?(?:'[^']*?'[^']*?)*?'|[^`]*?(?:`[^`]*?`[^`]*?)*?`)\s*(\w+)\b
  Traceback (most recent call last):
    File "util/regexp-assemble/regexp-assemble.py", line 227, in <module>
      namespace.func(namespace)
    File "util/regexp-assemble/regexp-assemble.py", line 146, in handle_update
      updater.run(False)
    File "/home/janek/crs-waf/coreruleset/util/regexp-assemble/lib/operators/updater.py", line 8, in run
      self.write_updates()
    File "/home/janek/crs-waf/coreruleset/util/regexp-assemble/lib/operators/updater.py", line 24, in write_updates
      with open(file_path, "w") as handle:
  FileNotFoundError: [Errno 2] No such file or directory: 'rules/rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf'
  ```
  
  It seems that there is double `rules/rules` so updating a rule doesn't work. 
  
  @theseion 
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `util/regexp-assemble/lib/operators/updater.py`
  Content:
  ```
  1 from msc_pyparser import MSCWriter
  2 from lib.operators.parser import Parser
  3 
  4 
  5 class Updater(Parser):
  6     def run(self, process_all: bool):
  7         self.perform_compare_or_update(process_all, self.update_regex)
  8         self.write_updates()
  9 
  10     def update_regex(
  11         self,
  12         rule_id: str,
  13         generated_regex: str,
  14         current_regex: str,
  15         config: dict,
  16         config_key: str,
  17     ):
  18         config[config_key] = generated_regex
  19 
  20     def write_updates(self):
  21         for rule_prefix, parser in self.parsers.items():
  22             writer = MSCWriter(parser.configlines)
  23             file_path = self.context.rules_directory / self.prefix_to_file_map[rule_prefix]
  24             with open(file_path, "w") as handle:
  25                 writer.generate()
  26                 # add extra new line at the end of file
  27                 writer.output.append("")
  28                 handle.write("\n".join(writer.output))
  29
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/util/regexp-assemble/lib/operators/updater.py b/util/regexp-assemble/lib/operators/updater.py
  --- a/util/regexp-assemble/lib/operators/updater.py
  +++ b/util/regexp-assemble/lib/operators/updater.py
  @@ -20,8 +20,7 @@
       def write_updates(self):
           for rule_prefix, parser in self.parsers.items():
               writer = MSCWriter(parser.configlines)
  -            file_path = self.context.rules_directory / self.prefix_to_file_map[rule_prefix]
  -            with open(file_path, "w") as handle:
  +            with self.prefix_to_file_map[rule_prefix].open("w") as handle:
                   writer.generate()
                   # add extra new line at the end of file
                   writer.output.append("")
  
verification_info: {"golden_diff": "diff --git a/util/regexp-assemble/lib/operators/updater.py b/util/regexp-assemble/lib/operators/updater.py\n--- a/util/regexp-assemble/lib/operators/updater.py\n+++ b/util/regexp-assemble/lib/operators/updater.py\n@@ -20,8 +20,7 @@\n     def write_updates(self):\n         for rule_prefix, parser in self.parsers.items():\n             writer = MSCWriter(parser.configlines)\n-            file_path = self.context.rules_directory / self.prefix_to_file_map[rule_prefix]\n-            with open(file_path, \"w\") as handle:\n+            with self.prefix_to_file_map[rule_prefix].open(\"w\") as handle:\n                 writer.generate()\n                 # add extra new line at the end of file\n                 writer.output.append(\"\")\n", "issue": "Regex assembler seems to be broken again.\n### Describe the bug\r\n`util/regexp-assemble/regexp-assemble.py --log-level DEBUG update 942521`\r\n\r\n```\r\nProcessing 942521, chain offset 0\r\ndetected processor: <class 'NoneType'>\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound simple comment\r\nFound regular input '##!^ ^\\n'\r\nFound regular input '##!+ i\\n'\r\nFound simple comment\r\nFound simple comment\r\nFound regular input \"[^']*?(?:'[^']*?'[^']*?)*?'\\\\s*(\\\\w+)\\\\b\\n\"\r\nFound regular input '[^\\\\\"]*?(?:\\\\\"[^\\\\\"]*?\\\\\"[^\\\\\"]*?)*?\\\\\"\\\\s*(\\\\w+)\\\\b\\n'\r\nFound regular input '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\\\s*(\\\\w+)\\\\b\\n'\r\nprocessor will process: ['##!^ ^\\n', '##!+ i\\n', \"[^']*?(?:'[^']*?'[^']*?)*?'\\\\s*(\\\\w+)\\\\b\\n\", '[^\\\\\"]*?(?:\\\\\"[^\\\\\"]*?\\\\\"[^\\\\\"]*?)*?\\\\\"\\\\s*(\\\\w+)\\\\b\\n', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\\\s*(\\\\w+)\\\\b\\n']\r\npreprocessed lines: ['##!^ ^\\n', '##!+ i\\n', \"[^']*?(?:'[^']*?'[^']*?)*?'\\\\s*(\\\\w+)\\\\b\\n\", '[^\\\\\"]*?(?:\\\\\"[^\\\\\"]*?\\\\\"[^\\\\\"]*?)*?\\\\\"\\\\s*(\\\\w+)\\\\b\\n', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\\\s*(\\\\w+)\\\\b\\n']\r\nCompleting assembly\r\nRunning assembler with lines: ['##!^ ^', '##!+ i', \"[^']*?(?:'[^']*?'[^']*?)*?'\\\\s*(\\\\w+)\\\\b\", '[^\\\\\"]*?(?:\\\\\"[^\\\\\"]*?\\\\\"[^\\\\\"]*?)*?\\\\\"\\\\s*(\\\\w+)\\\\b', '[^`]*?(?:`[^`]*?`[^`]*?)*?`\\\\s*(\\\\w+)\\\\b']\r\nAssembler errors: b'', output b'(?i)^(?:[^\\\\\"]*?(?:\\\\\"[^\\\\\"]*?\\\\\"[^\\\\\"]*?)*?\\\\\"|[^\\']*?(?:\\'[^\\']*?\\'[^\\']*?)*?\\'|[^`]*?(?:`[^`]*?`[^`]*?)*?`)\\\\s*(\\\\w+)\\\\b\\n'\r\nCompleted assembly: (?i)^(?:[^\\\"]*?(?:\\\"[^\\\"]*?\\\"[^\\\"]*?)*?\\\"|[^']*?(?:'[^']*?'[^']*?)*?'|[^`]*?(?:`[^`]*?`[^`]*?)*?`)\\s*(\\w+)\\b\r\nTraceback (most recent call last):\r\n  File \"util/regexp-assemble/regexp-assemble.py\", line 227, in <module>\r\n    namespace.func(namespace)\r\n  File \"util/regexp-assemble/regexp-assemble.py\", line 146, in handle_update\r\n    updater.run(False)\r\n  File \"/home/janek/crs-waf/coreruleset/util/regexp-assemble/lib/operators/updater.py\", line 8, in run\r\n    self.write_updates()\r\n  File \"/home/janek/crs-waf/coreruleset/util/regexp-assemble/lib/operators/updater.py\", line 24, in write_updates\r\n    with open(file_path, \"w\") as handle:\r\nFileNotFoundError: [Errno 2] No such file or directory: 'rules/rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf'\r\n```\r\n\r\nIt seems that there is double `rules/rules` so updating a rule doesn't work. \r\n\r\n@theseion \n", "before_files": [{"content": "from msc_pyparser import MSCWriter\nfrom lib.operators.parser import Parser\n\n\nclass Updater(Parser):\n    def run(self, process_all: bool):\n        self.perform_compare_or_update(process_all, self.update_regex)\n        self.write_updates()\n\n    def update_regex(\n        self,\n        rule_id: str,\n        generated_regex: str,\n        current_regex: str,\n        config: dict,\n        config_key: str,\n    ):\n        config[config_key] = generated_regex\n\n    def write_updates(self):\n        for rule_prefix, parser in self.parsers.items():\n            writer = MSCWriter(parser.configlines)\n            file_path = self.context.rules_directory / self.prefix_to_file_map[rule_prefix]\n            with open(file_path, \"w\") as handle:\n                writer.generate()\n                # add extra new line at the end of file\n                writer.output.append(\"\")\n                handle.write(\"\\n\".join(writer.output))\n", "path": "util/regexp-assemble/lib/operators/updater.py"}], "after_files": [{"content": "from msc_pyparser import MSCWriter\nfrom lib.operators.parser import Parser\n\n\nclass Updater(Parser):\n    def run(self, process_all: bool):\n        self.perform_compare_or_update(process_all, self.update_regex)\n        self.write_updates()\n\n    def update_regex(\n        self,\n        rule_id: str,\n        generated_regex: str,\n        current_regex: str,\n        config: dict,\n        config_key: str,\n    ):\n        config[config_key] = generated_regex\n\n    def write_updates(self):\n        for rule_prefix, parser in self.parsers.items():\n            writer = MSCWriter(parser.configlines)\n            with self.prefix_to_file_map[rule_prefix].open(\"w\") as handle:\n                writer.generate()\n                # add extra new line at the end of file\n                writer.output.append(\"\")\n                handle.write(\"\\n\".join(writer.output))\n", "path": "util/regexp-assemble/lib/operators/updater.py"}]}