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"""Tool definitions and handlers for the fossilrepo MCP server. |
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Each tool maps to a Fossil repository operation -- reads go through |
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FossilReader (direct SQLite), writes go through FossilCLI (fossil binary). |
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""" |
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from mcp.types import Tool |
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TOOLS = [ |
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Tool( |
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name="list_projects", |
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description="List all projects in the fossilrepo instance", |
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inputSchema={"type": "object", "properties": {}, "required": []}, |
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), |
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Tool( |
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name="get_project", |
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description="Get details about a specific project including repo stats", |
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inputSchema={ |
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"type": "object", |
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"properties": {"slug": {"type": "string", "description": "Project slug"}}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="browse_code", |
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description="List files in a directory of a project's repository", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"path": {"type": "string", "description": "Directory path (empty for root)", "default": ""}, |
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}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="read_file", |
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description="Read the content of a file from a project's repository", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"filepath": {"type": "string", "description": "File path in the repo"}, |
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}, |
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"required": ["slug", "filepath"], |
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}, |
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), |
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Tool( |
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name="get_timeline", |
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description="Get recent checkins/commits for a project", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"limit": {"type": "integer", "description": "Number of entries", "default": 25}, |
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"branch": {"type": "string", "description": "Filter by branch", "default": ""}, |
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}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="get_checkin", |
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description="Get details of a specific checkin including file changes", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"uuid": {"type": "string", "description": "Checkin UUID (or prefix)"}, |
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}, |
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"required": ["slug", "uuid"], |
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}, |
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), |
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Tool( |
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name="search_code", |
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description="Search across checkins, tickets, and wiki pages", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"query": {"type": "string", "description": "Search query"}, |
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"limit": {"type": "integer", "default": 25}, |
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}, |
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"required": ["slug", "query"], |
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}, |
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), |
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Tool( |
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name="list_tickets", |
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description="List tickets for a project with optional status filter", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"status": {"type": "string", "description": "Filter by status (Open, Fixed, Closed)", "default": ""}, |
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"limit": {"type": "integer", "default": 50}, |
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}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="get_ticket", |
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description="Get ticket details including comments", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"uuid": {"type": "string", "description": "Ticket UUID (or prefix)"}, |
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}, |
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"required": ["slug", "uuid"], |
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}, |
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), |
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Tool( |
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name="create_ticket", |
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description="Create a new ticket in a project", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"title": {"type": "string"}, |
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"body": {"type": "string", "description": "Ticket description"}, |
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"type": {"type": "string", "default": "Code_Defect"}, |
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"severity": {"type": "string", "default": "Important"}, |
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"priority": {"type": "string", "default": "Medium"}, |
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}, |
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"required": ["slug", "title", "body"], |
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}, |
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), |
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Tool( |
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name="update_ticket", |
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description="Update a ticket's status, add a comment", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"uuid": {"type": "string", "description": "Ticket UUID"}, |
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"status": {"type": "string", "description": "New status", "default": ""}, |
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"comment": {"type": "string", "description": "Comment to add", "default": ""}, |
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}, |
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"required": ["slug", "uuid"], |
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}, |
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), |
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Tool( |
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name="list_wiki_pages", |
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description="List all wiki pages in a project", |
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inputSchema={ |
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"type": "object", |
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"properties": {"slug": {"type": "string", "description": "Project slug"}}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="get_wiki_page", |
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description="Read a wiki page's content", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"page_name": {"type": "string", "description": "Wiki page name"}, |
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}, |
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"required": ["slug", "page_name"], |
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}, |
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), |
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Tool( |
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name="list_branches", |
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description="List all branches in a project's repository", |
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inputSchema={ |
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"type": "object", |
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"properties": {"slug": {"type": "string", "description": "Project slug"}}, |
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"required": ["slug"], |
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}, |
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), |
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Tool( |
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name="get_file_blame", |
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description="Get blame annotations for a file showing who changed each line", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"filepath": {"type": "string", "description": "File path"}, |
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}, |
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"required": ["slug", "filepath"], |
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}, |
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), |
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Tool( |
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name="get_file_history", |
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description="Get commit history for a specific file", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"filepath": {"type": "string", "description": "File path"}, |
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"limit": {"type": "integer", "default": 25}, |
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}, |
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"required": ["slug", "filepath"], |
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}, |
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), |
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Tool( |
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name="sql_query", |
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description="Run a read-only SQL query against the Fossil SQLite database. Only SELECT allowed.", |
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inputSchema={ |
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"type": "object", |
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"properties": { |
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"slug": {"type": "string", "description": "Project slug"}, |
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"sql": {"type": "string", "description": "SQL query (SELECT only)"}, |
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}, |
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"required": ["slug", "sql"], |
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}, |
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), |
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] |
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def _isoformat(dt): |
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"""Safely format a datetime to ISO 8601, or None.""" |
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if dt is None: |
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return None |
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return dt.isoformat() |
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def _get_repo(slug): |
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"""Look up project and its FossilRepository by slug. |
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Raises Project.DoesNotExist or FossilRepository.DoesNotExist on miss. |
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""" |
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from fossil.models import FossilRepository |
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from projects.models import Project |
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project = Project.objects.get(slug=slug, deleted_at__isnull=True) |
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repo = FossilRepository.objects.get(project=project, deleted_at__isnull=True) |
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return project, repo |
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def execute_tool(name: str, arguments: dict) -> dict: |
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"""Dispatch a tool call to the appropriate handler.""" |
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handlers = { |
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"list_projects": _list_projects, |
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"get_project": _get_project, |
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"browse_code": _browse_code, |
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"read_file": _read_file, |
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"get_timeline": _get_timeline, |
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"get_checkin": _get_checkin, |
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"search_code": _search_code, |
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"list_tickets": _list_tickets, |
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"get_ticket": _get_ticket, |
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"create_ticket": _create_ticket, |
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"update_ticket": _update_ticket, |
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"list_wiki_pages": _list_wiki_pages, |
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"get_wiki_page": _get_wiki_page, |
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"list_branches": _list_branches, |
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"get_file_blame": _get_file_blame, |
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"get_file_history": _get_file_history, |
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"sql_query": _sql_query, |
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} |
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handler = handlers.get(name) |
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if not handler: |
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return {"error": f"Unknown tool: {name}"} |
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try: |
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return handler(arguments) |
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except Exception as e: |
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return {"error": str(e)} |
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260
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261
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# --------------------------------------------------------------------------- |
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# Read-only handlers (FossilReader) |
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# --------------------------------------------------------------------------- |
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264
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265
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def _list_projects(args): |
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from projects.models import Project |
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projects = Project.objects.filter(deleted_at__isnull=True) |
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return { |
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"projects": [ |
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{ |
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"name": p.name, |
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"slug": p.slug, |
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"description": p.description or "", |
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"visibility": p.visibility, |
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} |
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for p in projects |
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] |
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280
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} |
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282
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283
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def _get_project(args): |
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from fossil.reader import FossilReader |
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286
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project, repo = _get_repo(args["slug"]) |
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result = { |
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"name": project.name, |
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"slug": project.slug, |
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290
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"description": project.description or "", |
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291
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"visibility": project.visibility, |
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292
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"star_count": project.star_count, |
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293
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"filename": repo.filename, |
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294
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"file_size_bytes": repo.file_size_bytes, |
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295
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"checkin_count": repo.checkin_count, |
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"last_checkin_at": _isoformat(repo.last_checkin_at), |
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297
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} |
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298
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if repo.exists_on_disk: |
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299
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with FossilReader(repo.full_path) as reader: |
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300
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meta = reader.get_metadata() |
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301
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result["fossil_project_name"] = meta.project_name |
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302
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result["fossil_checkin_count"] = meta.checkin_count |
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303
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result["fossil_ticket_count"] = meta.ticket_count |
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304
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result["fossil_wiki_page_count"] = meta.wiki_page_count |
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return result |
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306
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307
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308
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def _browse_code(args): |
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309
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from fossil.reader import FossilReader |
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310
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311
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project, repo = _get_repo(args["slug"]) |
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312
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path = args.get("path", "") |
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313
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314
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with FossilReader(repo.full_path) as reader: |
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315
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checkin = reader.get_latest_checkin_uuid() |
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316
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if not checkin: |
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317
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return {"files": [], "error": "No checkins in repository"} |
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318
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319
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files = reader.get_files_at_checkin(checkin) |
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320
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321
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# Filter to requested directory |
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322
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if path: |
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323
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path = path.rstrip("/") + "/" |
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324
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files = [f for f in files if f.name.startswith(path)] |
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325
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326
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return { |
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327
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"checkin": checkin, |
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328
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"path": path, |
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329
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"files": [ |
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330
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{ |
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331
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"name": f.name, |
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332
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"uuid": f.uuid, |
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333
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"size": f.size, |
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334
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"last_commit_message": f.last_commit_message, |
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335
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"last_commit_user": f.last_commit_user, |
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336
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"last_commit_time": _isoformat(f.last_commit_time), |
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337
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} |
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338
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for f in files |
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339
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], |
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340
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} |
|
341
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|
342
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343
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def _read_file(args): |
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344
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from fossil.reader import FossilReader |
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345
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|
346
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project, repo = _get_repo(args["slug"]) |
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347
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|
348
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with FossilReader(repo.full_path) as reader: |
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349
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checkin = reader.get_latest_checkin_uuid() |
|
350
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if not checkin: |
|
351
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return {"error": "No checkins in repository"} |
|
352
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|
|
353
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files = reader.get_files_at_checkin(checkin) |
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354
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target = args["filepath"] |
|
355
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|
356
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for f in files: |
|
357
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if f.name == target: |
|
358
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content = reader.get_file_content(f.uuid) |
|
359
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if isinstance(content, bytes): |
|
360
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try: |
|
361
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content = content.decode("utf-8") |
|
362
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except UnicodeDecodeError: |
|
363
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return {"filepath": target, "binary": True, "size": len(content)} |
|
364
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return {"filepath": target, "content": content} |
|
365
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|
|
366
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return {"error": f"File not found: {target}"} |
|
367
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|
|
368
|
|
|
369
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def _get_timeline(args): |
|
370
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from fossil.reader import FossilReader |
|
371
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|
372
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project, repo = _get_repo(args["slug"]) |
|
373
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limit = args.get("limit", 25) |
|
374
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branch_filter = args.get("branch", "") |
|
375
|
|
|
376
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with FossilReader(repo.full_path) as reader: |
|
377
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entries = reader.get_timeline(limit=limit, event_type="ci") |
|
378
|
|
|
379
|
checkins = [] |
|
380
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for e in entries: |
|
381
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entry = { |
|
382
|
"uuid": e.uuid, |
|
383
|
"timestamp": _isoformat(e.timestamp), |
|
384
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"user": e.user, |
|
385
|
"comment": e.comment, |
|
386
|
"branch": e.branch, |
|
387
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} |
|
388
|
checkins.append(entry) |
|
389
|
|
|
390
|
if branch_filter: |
|
391
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checkins = [c for c in checkins if c["branch"] == branch_filter] |
|
392
|
|
|
393
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return {"checkins": checkins, "total": len(checkins)} |
|
394
|
|
|
395
|
|
|
396
|
def _get_checkin(args): |
|
397
|
from fossil.reader import FossilReader |
|
398
|
|
|
399
|
project, repo = _get_repo(args["slug"]) |
|
400
|
|
|
401
|
with FossilReader(repo.full_path) as reader: |
|
402
|
detail = reader.get_checkin_detail(args["uuid"]) |
|
403
|
|
|
404
|
if detail is None: |
|
405
|
return {"error": "Checkin not found"} |
|
406
|
|
|
407
|
return { |
|
408
|
"uuid": detail.uuid, |
|
409
|
"timestamp": _isoformat(detail.timestamp), |
|
410
|
"user": detail.user, |
|
411
|
"comment": detail.comment, |
|
412
|
"branch": detail.branch, |
|
413
|
"parent_uuid": detail.parent_uuid, |
|
414
|
"is_merge": detail.is_merge, |
|
415
|
"files_changed": detail.files_changed, |
|
416
|
} |
|
417
|
|
|
418
|
|
|
419
|
def _search_code(args): |
|
420
|
from fossil.reader import FossilReader |
|
421
|
|
|
422
|
project, repo = _get_repo(args["slug"]) |
|
423
|
query = args["query"] |
|
424
|
limit = args.get("limit", 25) |
|
425
|
|
|
426
|
with FossilReader(repo.full_path) as reader: |
|
427
|
results = reader.search(query, limit=limit) |
|
428
|
|
|
429
|
# Serialize datetimes in results |
|
430
|
for checkin in results.get("checkins", []): |
|
431
|
checkin["timestamp"] = _isoformat(checkin.get("timestamp")) |
|
432
|
for ticket in results.get("tickets", []): |
|
433
|
ticket["created"] = _isoformat(ticket.get("created")) |
|
434
|
|
|
435
|
return results |
|
436
|
|
|
437
|
|
|
438
|
def _list_tickets(args): |
|
439
|
from fossil.reader import FossilReader |
|
440
|
|
|
441
|
project, repo = _get_repo(args["slug"]) |
|
442
|
status_filter = args.get("status", "") or None |
|
443
|
limit = args.get("limit", 50) |
|
444
|
|
|
445
|
with FossilReader(repo.full_path) as reader: |
|
446
|
tickets = reader.get_tickets(status=status_filter, limit=limit) |
|
447
|
|
|
448
|
return { |
|
449
|
"tickets": [ |
|
450
|
{ |
|
451
|
"uuid": t.uuid, |
|
452
|
"title": t.title, |
|
453
|
"status": t.status, |
|
454
|
"type": t.type, |
|
455
|
"subsystem": t.subsystem, |
|
456
|
"priority": t.priority, |
|
457
|
"created": _isoformat(t.created), |
|
458
|
} |
|
459
|
for t in tickets |
|
460
|
], |
|
461
|
"total": len(tickets), |
|
462
|
} |
|
463
|
|
|
464
|
|
|
465
|
def _get_ticket(args): |
|
466
|
from fossil.reader import FossilReader |
|
467
|
|
|
468
|
project, repo = _get_repo(args["slug"]) |
|
469
|
|
|
470
|
with FossilReader(repo.full_path) as reader: |
|
471
|
ticket = reader.get_ticket_detail(args["uuid"]) |
|
472
|
if ticket is None: |
|
473
|
return {"error": "Ticket not found"} |
|
474
|
comments = reader.get_ticket_comments(args["uuid"]) |
|
475
|
|
|
476
|
return { |
|
477
|
"uuid": ticket.uuid, |
|
478
|
"title": ticket.title, |
|
479
|
"status": ticket.status, |
|
480
|
"type": ticket.type, |
|
481
|
"subsystem": ticket.subsystem, |
|
482
|
"priority": ticket.priority, |
|
483
|
"severity": ticket.severity, |
|
484
|
"resolution": ticket.resolution, |
|
485
|
"body": ticket.body, |
|
486
|
"created": _isoformat(ticket.created), |
|
487
|
"comments": [ |
|
488
|
{ |
|
489
|
"timestamp": _isoformat(c.get("timestamp")), |
|
490
|
"user": c.get("user", ""), |
|
491
|
"comment": c.get("comment", ""), |
|
492
|
"mimetype": c.get("mimetype", "text/plain"), |
|
493
|
} |
|
494
|
for c in comments |
|
495
|
], |
|
496
|
} |
|
497
|
|
|
498
|
|
|
499
|
# --------------------------------------------------------------------------- |
|
500
|
# Write handlers (FossilCLI) |
|
501
|
# --------------------------------------------------------------------------- |
|
502
|
|
|
503
|
|
|
504
|
def _create_ticket(args): |
|
505
|
from fossil.cli import FossilCLI |
|
506
|
|
|
507
|
project, repo = _get_repo(args["slug"]) |
|
508
|
|
|
509
|
cli = FossilCLI() |
|
510
|
cli.ensure_default_user(repo.full_path) |
|
511
|
|
|
512
|
fields = { |
|
513
|
"title": args["title"], |
|
514
|
"comment": args["body"], |
|
515
|
"type": args.get("type", "Code_Defect"), |
|
516
|
"severity": args.get("severity", "Important"), |
|
517
|
"priority": args.get("priority", "Medium"), |
|
518
|
"status": "Open", |
|
519
|
} |
|
520
|
|
|
521
|
success = cli.ticket_add(repo.full_path, fields) |
|
522
|
if not success: |
|
523
|
return {"error": "Failed to create ticket"} |
|
524
|
|
|
525
|
return {"success": True, "title": args["title"]} |
|
526
|
|
|
527
|
|
|
528
|
def _update_ticket(args): |
|
529
|
from fossil.cli import FossilCLI |
|
530
|
|
|
531
|
project, repo = _get_repo(args["slug"]) |
|
532
|
|
|
533
|
cli = FossilCLI() |
|
534
|
cli.ensure_default_user(repo.full_path) |
|
535
|
|
|
536
|
fields = {} |
|
537
|
if args.get("status"): |
|
538
|
fields["status"] = args["status"] |
|
539
|
if args.get("comment"): |
|
540
|
fields["icomment"] = args["comment"] |
|
541
|
|
|
542
|
if not fields: |
|
543
|
return {"error": "No fields to update (provide status or comment)"} |
|
544
|
|
|
545
|
success = cli.ticket_change(repo.full_path, args["uuid"], fields) |
|
546
|
if not success: |
|
547
|
return {"error": "Failed to update ticket"} |
|
548
|
|
|
549
|
return {"success": True, "uuid": args["uuid"]} |
|
550
|
|
|
551
|
|
|
552
|
# --------------------------------------------------------------------------- |
|
553
|
# Wiki handlers (FossilReader for reads) |
|
554
|
# --------------------------------------------------------------------------- |
|
555
|
|
|
556
|
|
|
557
|
def _list_wiki_pages(args): |
|
558
|
from fossil.reader import FossilReader |
|
559
|
|
|
560
|
project, repo = _get_repo(args["slug"]) |
|
561
|
|
|
562
|
with FossilReader(repo.full_path) as reader: |
|
563
|
pages = reader.get_wiki_pages() |
|
564
|
|
|
565
|
return { |
|
566
|
"pages": [ |
|
567
|
{ |
|
568
|
"name": p.name, |
|
569
|
"last_modified": _isoformat(p.last_modified), |
|
570
|
"user": p.user, |
|
571
|
} |
|
572
|
for p in pages |
|
573
|
] |
|
574
|
} |
|
575
|
|
|
576
|
|
|
577
|
def _get_wiki_page(args): |
|
578
|
from fossil.reader import FossilReader |
|
579
|
|
|
580
|
project, repo = _get_repo(args["slug"]) |
|
581
|
|
|
582
|
with FossilReader(repo.full_path) as reader: |
|
583
|
page = reader.get_wiki_page(args["page_name"]) |
|
584
|
|
|
585
|
if page is None: |
|
586
|
return {"error": f"Wiki page not found: {args['page_name']}"} |
|
587
|
|
|
588
|
return { |
|
589
|
"name": page.name, |
|
590
|
"content": page.content, |
|
591
|
"last_modified": _isoformat(page.last_modified), |
|
592
|
"user": page.user, |
|
593
|
} |
|
594
|
|
|
595
|
|
|
596
|
# --------------------------------------------------------------------------- |
|
597
|
# Branch and file history handlers |
|
598
|
# --------------------------------------------------------------------------- |
|
599
|
|
|
600
|
|
|
601
|
def _list_branches(args): |
|
602
|
from fossil.reader import FossilReader |
|
603
|
|
|
604
|
project, repo = _get_repo(args["slug"]) |
|
605
|
|
|
606
|
with FossilReader(repo.full_path) as reader: |
|
607
|
branches = reader.get_branches() |
|
608
|
|
|
609
|
return { |
|
610
|
"branches": [ |
|
611
|
{ |
|
612
|
"name": b["name"], |
|
613
|
"last_checkin": _isoformat(b["last_checkin"]), |
|
614
|
"last_user": b["last_user"], |
|
615
|
"checkin_count": b["checkin_count"], |
|
616
|
"last_uuid": b["last_uuid"], |
|
617
|
} |
|
618
|
for b in branches |
|
619
|
] |
|
620
|
} |
|
621
|
|
|
622
|
|
|
623
|
def _get_file_blame(args): |
|
624
|
from fossil.cli import FossilCLI |
|
625
|
|
|
626
|
project, repo = _get_repo(args["slug"]) |
|
627
|
|
|
628
|
cli = FossilCLI() |
|
629
|
lines = cli.blame(repo.full_path, args["filepath"]) |
|
630
|
return {"filepath": args["filepath"], "lines": lines, "total": len(lines)} |
|
631
|
|
|
632
|
|
|
633
|
def _get_file_history(args): |
|
634
|
from fossil.reader import FossilReader |
|
635
|
|
|
636
|
project, repo = _get_repo(args["slug"]) |
|
637
|
limit = args.get("limit", 25) |
|
638
|
|
|
639
|
with FossilReader(repo.full_path) as reader: |
|
640
|
history = reader.get_file_history(args["filepath"], limit=limit) |
|
641
|
|
|
642
|
for entry in history: |
|
643
|
entry["timestamp"] = _isoformat(entry.get("timestamp")) |
|
644
|
|
|
645
|
return {"filepath": args["filepath"], "history": history, "total": len(history)} |
|
646
|
|
|
647
|
|
|
648
|
# --------------------------------------------------------------------------- |
|
649
|
# SQL query handler |
|
650
|
# --------------------------------------------------------------------------- |
|
651
|
|
|
652
|
|
|
653
|
def _sql_query(args): |
|
654
|
from fossil.reader import FossilReader |
|
655
|
from fossil.ticket_reports import TicketReport |
|
656
|
|
|
657
|
sql = args["sql"] |
|
658
|
error = TicketReport.validate_sql(sql) |
|
659
|
if error: |
|
660
|
return {"error": error} |
|
661
|
|
|
662
|
project, repo = _get_repo(args["slug"]) |
|
663
|
|
|
664
|
with FossilReader(repo.full_path) as reader: |
|
665
|
cursor = reader.conn.cursor() |
|
666
|
cursor.execute(sql) |
|
667
|
columns = [desc[0] for desc in cursor.description] if cursor.description else [] |
|
668
|
rows = cursor.fetchmany(500) |
|
669
|
return { |
|
670
|
"columns": columns, |
|
671
|
"rows": [list(row) for row in rows], |
|
672
|
"count": len(rows), |
|
673
|
} |
|
674
|
|