daniil-berg/mwfin
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ditched csv; minor help text change

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Maximilian Fajnberg 2021-12-26 21:08:36 +01:00
parent 2b3fb9f7ba
commit 3276dbfae3
1 changed files with 5 additions and 24 deletions
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29
src/mwfin/__main__.py
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@ -1,19 +1,15 @@
import logging import logging
import asyncio import asyncio
import csv
import json import json
from argparse import ArgumentParser from argparse import ArgumentParser
from pathlib import Path from pathlib import Path
from typing import Dict
from .functions import get_all_financials, ResultDict from .functions import get_all_financials
from .constants import END_DATE, MAIN_LOGGER_NAME, DEFAULT_CONCURRENT_BATCH_SIZE from .constants import MAIN_LOGGER_NAME, DEFAULT_CONCURRENT_BATCH_SIZE
log = logging.getLogger(MAIN_LOGGER_NAME) log = logging.getLogger(MAIN_LOGGER_NAME)
JSON_EXT, CSV_EXT = '.json', '.csv'
TICKER_SYMBOL = 'ticker_symbol' TICKER_SYMBOL = 'ticker_symbol'
QUARTERLY = 'quarterly' QUARTERLY = 'quarterly'
BATCH_SIZE = 'concurrent_batch_size' BATCH_SIZE = 'concurrent_batch_size'
@ -40,14 +36,13 @@ def parse_cli() -> dict:
type=int, type=int,
default=DEFAULT_CONCURRENT_BATCH_SIZE, default=DEFAULT_CONCURRENT_BATCH_SIZE,
help="If multiple ticker symbols are passed, the company financials can be scraped concurrently. " help="If multiple ticker symbols are passed, the company financials can be scraped concurrently. "
"This argument determines how many datasets are scraped concurrently at any moment in time. " "This argument determines how many companies are scraped concurrently at any moment in time. "
"By default, they are scraped sequentially." "By default, they are scraped sequentially (i.e. a batch size of 1)."
) )
parser.add_argument( parser.add_argument(
'-f', f'--{TO_FILE.replace("_", "-")}', '-f', f'--{TO_FILE.replace("_", "-")}',
type=Path, type=Path,
help="Writes results to the specified destination file. If omitted results are printed to stdout. " help="Writes results to the specified destination file. If omitted results are printed to stdout."
"Depending on the file name suffix, the output format can be either as CSV or in JSON."
) )
parser.add_argument( parser.add_argument(
f'--{JSON_INDENT.replace("_", "-")}', f'--{JSON_INDENT.replace("_", "-")}',
@ -76,15 +71,6 @@ def configure_logging(verbosity: int) -> None:
root_logger.setLevel(logging.WARNING) root_logger.setLevel(logging.WARNING)
def write_to_csv(data: Dict[str, ResultDict], file_obj) -> None:
writer = csv.writer(file_obj)
for statement_key, statement_dict in data.items():
end_dates = statement_dict.pop(END_DATE)
writer.writerow([statement_key] + list(end_dates))
for key, values in statement_dict.items():
writer.writerow([key] + list(str(val) for val in values))
async def main() -> None: async def main() -> None:
args = parse_cli() args = parse_cli()
configure_logging(args[VERBOSE]) configure_logging(args[VERBOSE])
@ -95,11 +81,6 @@ async def main() -> None:
print(json.dumps(data, indent=args[JSON_INDENT])) print(json.dumps(data, indent=args[JSON_INDENT]))
return return
with open(path, 'w') as f: with open(path, 'w') as f:
if path.suffix.lower() == CSV_EXT:
write_to_csv(data, f)
return
if not path.suffix.lower() == JSON_EXT:
log.warning(f"Extension '{path.suffix}' unknown; using JSON format")
json.dump(data, f, indent=args[JSON_INDENT]) json.dump(data, f, indent=args[JSON_INDENT])