mirror of
https://github.com/Alishahryar1/free-claude-code.git
synced 2026-04-28 03:20:01 +00:00
130 lines
4.3 KiB
Python
130 lines
4.3 KiB
Python
"""Request detection utilities for API optimizations.
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Detects quota checks, title generation, prefix detection, suggestion mode,
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and filepath extraction requests to enable fast-path responses.
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"""
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from core.anthropic import extract_text_from_content
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from .models.anthropic import MessagesRequest
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def is_quota_check_request(request_data: MessagesRequest) -> bool:
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"""Check if this is a quota probe request.
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Quota checks are typically simple requests with max_tokens=1
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and a single message containing the word "quota".
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"""
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if (
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request_data.max_tokens == 1
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and len(request_data.messages) == 1
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and request_data.messages[0].role == "user"
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):
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text = extract_text_from_content(request_data.messages[0].content)
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if "quota" in text.lower():
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return True
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return False
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def is_title_generation_request(request_data: MessagesRequest) -> bool:
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"""Check if this is a conversation title generation request.
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Title generation requests are detected by a system prompt containing
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title extraction instructions, no tools, and a single user message.
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"""
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if not request_data.system or request_data.tools:
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return False
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system_text = extract_text_from_content(request_data.system).lower()
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return "new conversation topic" in system_text and "title" in system_text
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def is_prefix_detection_request(request_data: MessagesRequest) -> tuple[bool, str]:
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"""Check if this is a fast prefix detection request.
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Prefix detection requests contain a policy_spec block and
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a Command: section for extracting shell command prefixes.
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Returns:
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Tuple of (is_prefix_request, command_string)
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"""
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if len(request_data.messages) != 1 or request_data.messages[0].role != "user":
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return False, ""
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content = extract_text_from_content(request_data.messages[0].content)
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if "<policy_spec>" in content and "Command:" in content:
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try:
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cmd_start = content.rfind("Command:") + len("Command:")
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return True, content[cmd_start:].strip()
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except Exception:
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pass
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return False, ""
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def is_suggestion_mode_request(request_data: MessagesRequest) -> bool:
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"""Check if this is a suggestion mode request.
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Suggestion mode requests contain "[SUGGESTION MODE:" in the user's message,
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used for auto-suggesting what the user might type next.
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"""
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for msg in request_data.messages:
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if msg.role == "user":
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text = extract_text_from_content(msg.content)
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if "[SUGGESTION MODE:" in text:
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return True
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return False
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def is_filepath_extraction_request(
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request_data: MessagesRequest,
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) -> tuple[bool, str, str]:
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"""Check if this is a filepath extraction request.
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Filepath extraction requests have a single user message with
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"Command:" and "Output:" sections, asking to extract file paths
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from command output.
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Returns:
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Tuple of (is_filepath_request, command, output)
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"""
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if len(request_data.messages) != 1 or request_data.messages[0].role != "user":
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return False, "", ""
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if request_data.tools:
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return False, "", ""
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content = extract_text_from_content(request_data.messages[0].content)
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if "Command:" not in content or "Output:" not in content:
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return False, "", ""
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# Match if user content OR system block indicates filepath extraction
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user_has_filepaths = (
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"filepaths" in content.lower() or "<filepaths>" in content.lower()
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)
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system_text = (
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extract_text_from_content(request_data.system) if request_data.system else ""
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)
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system_has_extract = (
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"extract any file paths" in system_text.lower()
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or "file paths that this command" in system_text.lower()
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)
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if not user_has_filepaths and not system_has_extract:
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return False, "", ""
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try:
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cmd_start = content.find("Command:") + len("Command:")
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output_marker = content.find("Output:", cmd_start)
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if output_marker == -1:
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return False, "", ""
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command = content[cmd_start:output_marker].strip()
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output = content[output_marker + len("Output:") :].strip()
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for marker in ["<", "\n\n"]:
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if marker in output:
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output = output.split(marker)[0].strip()
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return True, command, output
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except Exception:
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return False, "", ""
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