diff options
Diffstat (limited to 'qc_app')
| -rw-r--r-- | qc_app/files.py | 12 | ||||
| -rw-r--r-- | qc_app/samples.py | 93 |
2 files changed, 69 insertions, 36 deletions
diff --git a/qc_app/files.py b/qc_app/files.py index 6485b27..0304296 100644 --- a/qc_app/files.py +++ b/qc_app/files.py @@ -3,18 +3,16 @@ from pathlib import Path from typing import Union from werkzeug.utils import secure_filename -from flask import ( - request, - current_app as app) +from werkzeug.datastructures import FileStorage -def save_file(key: str, upload_dir: Path) -> Union[Path, bool]: +def save_file(fileobj: FileStorage, upload_dir: Path) -> Union[Path, bool]: """Save the uploaded file and return the path.""" - if not bool(request.files.get(key)): + if not bool(fileobj): return False - filename = Path(secure_filename(request.files[key].filename)) + filename = Path(secure_filename(fileobj.filename)) # type: ignore[arg-type] if not upload_dir.exists(): upload_dir.mkdir() filepath = Path(upload_dir, filename) - request.files["samples_file"].save(filepath) + fileobj.save(filepath) return filepath diff --git a/qc_app/samples.py b/qc_app/samples.py index 27fdad3..1063fb8 100644 --- a/qc_app/samples.py +++ b/qc_app/samples.py @@ -120,52 +120,74 @@ def select_population(): species=species, population=population) -def read_samples_file(filepath, separator: str, **kwargs) -> Iterator[dict]: +def read_samples_file(filepath, separator: str, firstlineheading: bool, **kwargs) -> Iterator[dict]: """Read the samples file.""" with open(filepath, "r", encoding="utf-8") as inputfile: reader = csv.DictReader( inputfile, - fieldnames=("Name", "Name2", "Symbol", "Alias"), + fieldnames=( + None if firstlineheading + else ("Name", "Name2", "Symbol", "Alias")), delimiter=separator, - quotechar=kwargs.get("quotechar")) + quotechar=kwargs.get("quotechar", '"')) for row in reader: yield row -def save_samples_data(conn: mdb.Connection, file_data: Iterator[dict]): +def save_samples_data(conn: mdb.Connection, + speciesid: int, + file_data: Iterator[dict]): """Save the samples to DB.""" + data = ({**row, "SpeciesId": speciesid} for row in file_data) with conn.cursor() as cursor: while True: + batch = take(data, 5000) + if len(batch) == 0: + break cursor.executemany( "INSERT INTO Strain(Name, Name2, SpeciesId, Symbol, Alias) " "VALUES(" " %(Name)s, %(Name2)s, %(SpeciesId)s, %(Symbol)s, %(Alias)s" - ")", - tuple(take(file_data, 10000))) + ") ON DUPLICATE KEY UPDATE Name=Name", + batch) def cross_reference_samples(conn: mdb.Connection, + species_id: int, population_id: int, - strain_names: tuple[str, ...]): + strain_names: Iterator[str]): """Link samples to their population.""" with conn.cursor(cursorclass=DictCursor) as cursor: - params_str = ", ".join(["%s"] * len(strain_names)) - cursor.execute( - "SELECT Id FROM Strain WHERE (Name, SpeciesId) IN " - f"{params_str}", - tuple((name, species["SpeciesId"]) for name in strain_names)) - strain_ids = (sid for sid in cursor.fetchall()) - cursor.execute( - "SELECT MAX(OrderId) AS loid FROM StrainXRef WHERE InbredSetId=%s", - (population_id,)) - last_order_id = cursor.fetchone()["loid"] - cursor.executemany( - "INSERT INTO StrainXRef(InbredSetId, StrainId, OrderId) " - "VALUES (%(pop_id)s, %(strain_id)s, %(order_id)s)", - tuple({ - "pop_id": population_id, - "strain_id": strain_id, - "order_id": order_id - } for order_id, strain_id in - enumerate(strain_ids, start=(last_order_id+10)))) + while True: + batch = take(strain_names, 5000) + if len(batch) == 0: + break + params_str = ", ".join(["%s"] * len(batch)) + ## This query is slow -- investigate. + cursor.execute( + "SELECT s.Id FROM Strain AS s LEFT JOIN StrainXRef AS sx " + "ON s.Id = sx.StrainId WHERE s.SpeciesId=%s AND s.Name IN " + f"({params_str}) AND sx.StrainId IS NULL", + (species_id,) + tuple(batch)) + strain_ids = (sid["Id"] for sid in cursor.fetchall()) + cursor.execute( + "SELECT MAX(OrderId) AS loid FROM StrainXRef WHERE InbredSetId=%s", + (population_id,)) + last_order_id = cursor.fetchone()["loid"] + cursor.executemany( + "INSERT INTO StrainXRef( " + " InbredSetId, StrainId, OrderId, Used_for_mapping, PedigreeStatus" + ")" + "VALUES (" + " %(pop_id)s, %(strain_id)s, %(order_id)s, %(mapping)s, " + " %(pedigree)s" + ")", + tuple({ + "pop_id": population_id, + "strain_id": strain_id, + "order_id": order_id, + "mapping": "N", + "pedigree": None + } for order_id, strain_id in + enumerate(strain_ids, start=(last_order_id+10)))) @samples.route("/upload/samples", methods=["POST"]) def upload_samples(): @@ -185,17 +207,30 @@ def upload_samples(): flash("Invalid grouping/population!", "alert-error") return samples_uploads_page - samples_file = save_file("samples_file", Path(app.config["UPLOAD_FOLDER"])) + samples_file = save_file(request.files["samples_file"], Path(app.config["UPLOAD_FOLDER"])) if not bool(samples_file): flash("You need to provide a file with the samples data.") return samples_uploads_page + firstlineheading = (request.form.get("first_line_heading") == "on") + + separator = request.form.get("separator") + if separator == "other": + separator = request.form.get("other_separator") + if not bool(separator): + flash("You need to provide a separator character.", "alert-error") + return samples_uploads_page + def __insert_samples__(conn: mdb.Connection): - save_samples_data(conn, read_samples_file(samples_file)) + save_samples_data( + conn, + species["SpeciesId"], + read_samples_file(samples_file, separator, firstlineheading)) cross_reference_samples( conn, + species["SpeciesId"], population["InbredSetId"], - tuple(row["Name"] for row in read_samples_file(samples_file))) + (row["Name"] for row in read_samples_file(samples_file, separator, firstlineheading))) with_db_connection(__insert_samples__) return "SUCCESS: Respond with a better UI than this." |