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Cookbook ​

Load env ​

bash
pip install python-dotenv
python
from dotenv import load_dotenv

load_dotenv()

Exception ​

python
try:
    print("Hello")
except Exception as e:
    import traceback

    error_msg = "".join(
        traceback.format_exception(etype=type(e), value=e, tb=e.__traceback__)
    )
    print(error_msg)

Dict ​

python
# sort dict based on value
sorted(list_to_be_sorted, key=lambda k: k["name"])

# find key diff
list(set(keep_keys) - set(input_keys))

List ​

python
### split list every n chunk
[data[x : x + 100] for x in range(0, len(data), 100)]

CSV ​

python
# read CSV as dict
with open("params.csv", "r") as csvfile:
    reader = csv.DictReader(csvfile)
    data = [dict(i) for i in reader]

Logging ​

python
import logging


def init_logger(name: str, level: int = logging.INFO):
    logger = logging.getLogger(name)
    handler = logging.StreamHandler()

    formatter = logging.Formatter(
        "%(asctime)s - [%(levelname)s] - %(name)s - %(funcName)s - %(message)s"
    )
    handler.setFormatter(formatter)
    logger.addHandler(handler)

    logger.setLevel(level)

    return logger
python
from python_api_template.utils.log import init_logger

logger = init_logger(__name__)

Regex ​

python
import re

regex = r"[0-9,\.]+"
numbers = re.search(regex, str).group(0).replace(",", "")

Sys ​

python
# add prefix for system path
import sys

sys.path.insert(0, "../..")

Run code from invoking the script directly ​

python
if __name__ == "__main__":
    print("Hello")

profiling ​

bash
python -m cProfile -s cumulative some-code.py

argparse ​

python
import argparse

parser = argparse.ArgumentParser()
parser.add_argument("--input_path")
parser.add_argument("--experiment_id")
args = parser.parse_args()

input_path = args.input_path
experiment_id = int(args.experiment_id)