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"""Functions and utilities to handle ProbeSets from the database."""
from typing import Optional
from dataclasses import dataclass
from MySQLdb.cursors import DictCursor
from gn3.db_utils import Connection as DBConnection
from .query_tools import mapping_to_query_columns
@dataclass(frozen=True)
class Probeset: # pylint: disable=[too-many-instance-attributes]
"""Data Type that represents a Probeset"""
id_: Optional[int] = None
name: Optional[str] = None
symbol: Optional[str] = None
description: Optional[str] = None
probe_target_description: Optional[str] = None
chr_: Optional[str] = None
mb: Optional[float] = None # pylint: disable=C0103
alias: Optional[str] = None
geneid: Optional[str] = None
homologeneid: Optional[str] = None
unigeneid: Optional[str] = None
omim: Optional[str] = None
refseq_transcriptid: Optional[str] = None
blatseq: Optional[str] = None
targetseq: Optional[str] = None
strand_probe: Optional[str] = None
probe_set_target_region: Optional[str] = None
probe_set_specificity: Optional[float] = None
probe_set_blat_score: Optional[float] = None
probe_set_blat_mb_start: Optional[float] = None
probe_set_blat_mb_end: Optional[float] = None
probe_set_strand: Optional[str] = None
probe_set_note_by_rw: Optional[str] = None
flag: Optional[str] = None
# Mapping from the Phenotype dataclass to the actual column names in the
# database
probeset_mapping = {
"id_": "Id",
"name": "Name",
"symbol": "symbol",
"description": "description",
"probe_target_description": "Probe_Target_Description",
"chr_": "Chr",
"mb": "Mb",
"alias": "alias",
"geneid": "GeneId",
"homologeneid": "HomoloGeneID",
"unigeneid": "UniGeneId",
"omim": "OMIM",
"refseq_transcriptid": "RefSeq_TranscriptId",
"blatseq": "BlatSeq",
"targetseq": "TargetSeq",
"strand_probe": "Strand_Probe",
"probe_set_target_region": "Probe_set_target_region",
"probe_set_specificity": "Probe_set_specificity",
"probe_set_blat_score": "Probe_set_BLAT_score",
"probe_set_blat_mb_start": "Probe_set_Blat_Mb_start",
"probe_set_blat_mb_end": "Probe_set_Blat_Mb_end",
"probe_set_strand": "Probe_set_strand",
"probe_set_note_by_rw": "Probe_set_Note_by_RW",
"flag": "flag"
}
def fetch_probeset_metadata_by_name(conn: DBConnection, name: str) -> dict:
"""Fetch a ProbeSet's metadata by its `name`."""
with conn.cursor(cursorclass=DictCursor) as cursor:
cols = ", ".join(mapping_to_query_columns(probeset_mapping))
cursor.execute((f"SELECT Id as id, {cols} "
"FROM ProbeSet "
"WHERE Name = %(name)s"),
{"name": name})
return cursor.fetchone()
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