Source code for tooluniverse.geo_tool

"""
GEO Database REST API Tool

This tool provides access to gene expression data from the GEO database.
GEO is a public repository that archives and freely distributes microarray,
next-generation sequencing, and other forms of high-throughput functional
genomics data.
"""

from typing import Dict, Any, List
from .ncbi_eutils_tool import NCBIEUtilsTool
from .tool_registry import register_tool


[docs] @register_tool("GEORESTTool") class GEORESTTool(NCBIEUtilsTool): """ GEO Database REST API tool with rate limiting. Generic wrapper for GEO API endpoints defined in expression_tools.json. """
[docs] def __init__(self, tool_config): super().__init__(tool_config) fields = tool_config.get("fields", {}) parameter = tool_config.get("parameter", {}) self.endpoint_template: str = fields.get("endpoint", "/esearch.fcgi") self.required: List[str] = parameter.get("required", []) self.output_format: str = fields.get("return_format", "JSON")
def _build_url(self, arguments: Dict[str, Any]) -> str | Dict[str, Any]: """Build URL for GEO API request.""" url_path = self.endpoint_template return self.base_url + url_path def _build_params(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Build parameters for GEO API request.""" params = {"db": "gds", "retmode": "json", "retmax": 50} # Build search query query_parts = [] if "query" in arguments: query_parts.append(arguments["query"]) if "organism" in arguments: organism = arguments["organism"] if organism.lower() == "homo sapiens": query_parts.append("Homo sapiens[organism]") elif organism.lower() == "mus musculus": query_parts.append("Mus musculus[organism]") else: query_parts.append(f'"{organism}"[organism]') if "study_type" in arguments: study_type = arguments["study_type"] query_parts.append(f'"{study_type}"[study_type]') if "platform" in arguments: platform = arguments["platform"] query_parts.append(f'"{platform}"[platform]') if "date_range" in arguments: date_range = arguments["date_range"] if ":" in date_range: start_year, end_year = date_range.split(":") query_parts.append(f'"{start_year}"[PDAT] : "{end_year}"[PDAT]') if query_parts: params["term"] = " AND ".join(query_parts) if "limit" in arguments: params["retmax"] = min(arguments["limit"], 500) if "sort" in arguments: sort = arguments["sort"] if sort == "date": params["sort"] = "relevance" elif sort == "title": params["sort"] = "title" else: params["sort"] = "relevance" return params def _detect_database(self, dataset_id: str) -> str: """ Return the appropriate NCBI GEO database name. For NCBI E-utilities, GEO records (GDS, GSE, GSM, GPL) are all accessed through the single `gds` database. The accession prefix (GDS/GSE/GSM) is used in the search term, not as the database name. """ return "gds" def _accession_to_uid(self, dataset_id: str, db: str) -> Dict[str, Any]: """Convert accession number (e.g. GSE/GDS/GSM) to numeric UID using esearch.""" search_params = { "db": db, # Use ACCN field which is the documented field for accessions in GDS # See: https://www.ncbi.nlm.nih.gov/books/NBK25499/#chapter4.ESearch "term": f"{dataset_id}[ACCN]", "retmode": "json", "retmax": 1, } return self._make_request("/esearch.fcgi", search_params)
[docs] def run(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Execute the tool with given arguments.""" # Validate required parameters for param in self.required: if param not in arguments: return {"error": f"Missing required parameter: {param}"} # Set endpoint for the base class self.endpoint = self.endpoint_template params = self._build_params(arguments) # Use the parent class's _make_request with rate limiting return self._make_request(self.endpoint, params)
[docs] @register_tool("GEOSearchDatasets") class GEOSearchDatasets(GEORESTTool): """Search GEO datasets by various criteria."""
[docs] def __init__(self, tool_config): super().__init__(tool_config) self.endpoint_template = "/esearch.fcgi"
def _build_params(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Build parameters for GEO dataset search.""" params = {"db": "gds", "retmode": "json", "retmax": 50} # Build search query query_parts = [] if "query" in arguments: query_parts.append(arguments["query"]) if "organism" in arguments: organism = arguments["organism"] query_parts.append(f'"{organism}"[organism]') if "study_type" in arguments: study_type = arguments["study_type"] query_parts.append(f'"{study_type}"[study_type]') if "platform" in arguments: platform = arguments["platform"] query_parts.append(f'"{platform}"[platform]') if query_parts: params["term"] = " AND ".join(query_parts) if "limit" in arguments: params["retmax"] = min(arguments["limit"], 500) return params
[docs] @register_tool("GEOGetDatasetInfo") class GEOGetDatasetInfo(GEORESTTool): """Get detailed information about a specific GEO dataset."""
[docs] def __init__(self, tool_config): super().__init__(tool_config) self.endpoint_template = "/esummary.fcgi"
def _build_params(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Build parameters for GEO dataset info retrieval.""" dataset_id = arguments.get("dataset_id", "") if not dataset_id: return {"error": "dataset_id is required"} # Detect database type db = self._detect_database(dataset_id) # Check if dataset_id is already a numeric UID if dataset_id.isdigit(): return {"db": db, "id": dataset_id, "retmode": "json"} # For accession numbers, we need to convert to UID first # This will be handled in the run method return {"db": db, "id": dataset_id, "retmode": "json"}
[docs] def run(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Execute the tool with given arguments.""" # Validate required parameters for param in self.required: if param not in arguments: return {"error": f"Missing required parameter: {param}"} dataset_id = arguments.get("dataset_id", "") if not dataset_id: return {"error": "dataset_id is required"} # Detect database type db = self._detect_database(dataset_id) # Check if dataset_id is already a numeric UID if dataset_id.isdigit(): # Direct UID, use esummary directly self.endpoint = self.endpoint_template params = {"db": db, "id": dataset_id, "retmode": "json"} return self._make_request(self.endpoint, params) # For accession numbers, first convert to UID using esearch search_result = self._accession_to_uid(dataset_id, db) if search_result.get("status") != "success": return search_result search_data = search_result.get("data", {}) esearch_result = search_data.get("esearchresult", {}) idlist = esearch_result.get("idlist", []) if not idlist: return { "status": "error", "error": f"No UID found for accession {dataset_id} in database {db}", "data": search_data, } # Use the first UID from the search results uid = idlist[0] # Now use esummary with the UID self.endpoint = self.endpoint_template params = {"db": db, "id": uid, "retmode": "json"} return self._make_request(self.endpoint, params)
[docs] @register_tool("GEOGetSampleInfo") class GEOGetSampleInfo(GEORESTTool): """Get sample information for a GEO dataset."""
[docs] def __init__(self, tool_config): super().__init__(tool_config) self.endpoint_template = "/esummary.fcgi"
def _build_params(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Build parameters for GEO sample info retrieval.""" dataset_id = arguments.get("dataset_id", "") if not dataset_id: return {"error": "dataset_id is required"} # Detect database type db = self._detect_database(dataset_id) # Check if dataset_id is already a numeric UID if dataset_id.isdigit(): return {"db": db, "id": dataset_id, "retmode": "json"} # For accession numbers, we need to convert to UID first # This will be handled in the run method return {"db": db, "id": dataset_id, "retmode": "json"}
[docs] def run(self, arguments: Dict[str, Any]) -> Dict[str, Any]: """Execute the tool with given arguments.""" # Validate required parameters for param in self.required: if param not in arguments: return {"error": f"Missing required parameter: {param}"} dataset_id = arguments.get("dataset_id", "") if not dataset_id: return {"error": "dataset_id is required"} # Detect database type db = self._detect_database(dataset_id) # Check if dataset_id is already a numeric UID if dataset_id.isdigit(): # Direct UID, use esummary directly self.endpoint = self.endpoint_template params = {"db": db, "id": dataset_id, "retmode": "json"} return self._make_request(self.endpoint, params) # For accession numbers, first convert to UID using esearch search_result = self._accession_to_uid(dataset_id, db) if search_result.get("status") != "success": return search_result search_data = search_result.get("data", {}) esearch_result = search_data.get("esearchresult", {}) idlist = esearch_result.get("idlist", []) if not idlist: return { "status": "error", "error": f"No UID found for accession {dataset_id} in database {db}", "data": search_data, } # Use the first UID from the search results uid = idlist[0] # Now use esummary with the UID self.endpoint = self.endpoint_template params = {"db": db, "id": uid, "retmode": "json"} return self._make_request(self.endpoint, params)