implemented new function and adjusted function call sequence
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@ -4,7 +4,7 @@ from typing import Union, List, Dict
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from aiohttp.client import ClientSession
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from bs4 import BeautifulSoup
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from bs4.element import Tag
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from webutils import in_async_session
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from webutils import in_async_session, gather_in_batches
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from . import constants
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@ -97,49 +97,49 @@ async def _get_single_company_fin_stmt(statement: str, ticker_symbol: str, quart
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async def _get_multi_companies_fin_stmt(statement: str, *ticker_symbols: str, quarterly: bool = False,
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concurrent_batch_size: int = constants.DEFAULT_CONCURRENT_BATCH_SIZE,
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session: ClientSession = None) -> Union[ResultDict, Dict[str, ResultDict]]:
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pass
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if len(ticker_symbols) == 1:
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return await _get_single_company_fin_stmt(statement, ticker_symbols[0], quarterly, session)
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result_list = await gather_in_batches(
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concurrent_batch_size,
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*(_get_single_company_fin_stmt(statement, symbol, quarterly, session) for symbol in ticker_symbols)
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)
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return {symbol: data for symbol, data in zip(ticker_symbols, result_list)}
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@in_async_session
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async def get_balance_sheet(*ticker_symbols: str, quarterly: bool = False,
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concurrent_batch_size: int = constants.DEFAULT_CONCURRENT_BATCH_SIZE,
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session: ClientSession = None) -> Union[ResultDict, Dict[str, ResultDict]]:
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"""
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Returns data from the balance sheet of the specified company.
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"""
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if len(ticker_symbols) == 1:
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return await _get_single_company_fin_stmt(constants.BS, ticker_symbols[0], quarterly, session)
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return {
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sym: await _get_single_company_fin_stmt(constants.BS, sym, quarterly, session)
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for sym in ticker_symbols
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}
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return await _get_multi_companies_fin_stmt(constants.BS, *ticker_symbols,
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quarterly=quarterly, concurrent_batch_size=concurrent_batch_size,
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session=session)
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@in_async_session
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async def get_income_statement(*ticker_symbols: str, quarterly: bool = False,
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concurrent_batch_size: int = constants.DEFAULT_CONCURRENT_BATCH_SIZE,
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session: ClientSession = None) -> Union[ResultDict, Dict[str, ResultDict]]:
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"""
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Returns data from the income statement of the specified company.
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"""
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if len(ticker_symbols) == 1:
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return await _get_single_company_fin_stmt(constants.IS, ticker_symbols[0], quarterly, session)
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return {
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sym: await _get_single_company_fin_stmt(constants.IS, sym, quarterly, session)
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for sym in ticker_symbols
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}
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return await _get_multi_companies_fin_stmt(constants.IS, *ticker_symbols,
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quarterly=quarterly, concurrent_batch_size=concurrent_batch_size,
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session=session)
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@in_async_session
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async def get_cash_flow_statement(*ticker_symbols: str, quarterly: bool = False,
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concurrent_batch_size: int = constants.DEFAULT_CONCURRENT_BATCH_SIZE,
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session: ClientSession = None) -> Union[ResultDict, Dict[str, ResultDict]]:
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"""
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Returns data from the cash flow statement of the specified company.
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"""
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if len(ticker_symbols) == 1:
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return await _get_single_company_fin_stmt(constants.CF, ticker_symbols[0], quarterly, session)
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return {
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sym: await _get_single_company_fin_stmt(constants.CF, sym, quarterly, session)
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for sym in ticker_symbols
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}
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return await _get_multi_companies_fin_stmt(constants.CF, *ticker_symbols,
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quarterly=quarterly, concurrent_batch_size=concurrent_batch_size,
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session=session)
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@in_async_session
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@ -124,37 +124,39 @@ class FunctionsTestCase(IsolatedAsyncioTestCase):
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@patch.object(functions, '_get_single_company_fin_stmt')
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async def test__get_multi_companies_fin_stmt(self, mock__get_single_company_fin_stmt):
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statement, symbol1, symbol2, quarterly, mock_session = 'xyz', 'foo', 'bar', False, MagicMock()
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statement, sym1, sym2, quarterly, mock_session = 'xyz', 'foo', 'bar', False, MagicMock()
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mock__get_single_company_fin_stmt.return_value = expected_output = 'baz'
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output = await functions._get_multi_companies_fin_stmt(statement, symbol1,
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output = await functions._get_multi_companies_fin_stmt(statement, sym1,
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quarterly=quarterly, session=mock_session)
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self.assertEqual(expected_output, output)
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mock__get_single_company_fin_stmt.assert_called_once_with(statement, symbol1, quarterly, mock_session)
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mock__get_single_company_fin_stmt.assert_called_once_with(statement, sym1, quarterly, mock_session)
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mock__get_single_company_fin_stmt.reset_mock()
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expected_output = {symbol1: expected_output, symbol2: expected_output}
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output = await functions._get_multi_companies_fin_stmt(symbol1, symbol2,
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expected_output = {sym1: expected_output, sym2: expected_output}
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output = await functions._get_multi_companies_fin_stmt(statement, sym1, sym2,
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quarterly=quarterly, session=mock_session)
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self.assertDictEqual(expected_output, output)
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mock__get_single_company_fin_stmt.assert_has_calls([
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call(statement, symbol1, quarterly, mock_session),
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call(statement, symbol2, quarterly, mock_session)
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call(statement, sym1, quarterly, mock_session),
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call(statement, sym2, quarterly, mock_session)
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])
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async def _helper_test_get_any_statement(self, statement: str, mock__get_multi_companies_fin_stmt):
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symbol1, symbol2, quarterly, mock_session = 'foo', 'bar', False, MagicMock()
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async def _helper_test_get_any_statement(self, stmt: str, mock__get_multi_companies_fin_stmt):
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sym1, sym2, quarterly, batch_size, mock_session = 'foo', 'bar', False, 2, MagicMock()
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mock__get_multi_companies_fin_stmt.return_value = expected_output = 'baz'
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if statement == BS:
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if stmt == BS:
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function = functions.get_balance_sheet
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elif statement == IS:
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elif stmt == IS:
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function = functions.get_income_statement
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elif statement == CF:
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elif stmt == CF:
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function = functions.get_cash_flow_statement
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else:
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raise ValueError
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output = await function(symbol1, symbol2, quarterly=quarterly, session=mock_session)
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output = await function(sym1, sym2, quarterly=quarterly, concurrent_batch_size=batch_size, session=mock_session)
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self.assertEqual(expected_output, output)
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mock__get_multi_companies_fin_stmt.assert_called_once_with(statement, symbol1, symbol2, quarterly, mock_session)
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mock__get_multi_companies_fin_stmt.assert_called_once_with(
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stmt, sym1, sym2, quarterly=quarterly, concurrent_batch_size=batch_size, session=mock_session
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)
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@patch.object(functions, '_get_multi_companies_fin_stmt')
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async def test_get_balance_sheet(self, mock__get_multi_companies_fin_stmt):
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@ -190,14 +192,14 @@ class FunctionsTestCase(IsolatedAsyncioTestCase):
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mock__get_single_company_financials.assert_called_once_with(symbol, quarterly, mock_session)
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mock__get_single_company_financials.reset_mock()
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test_symbol1, test_symbol2 = 'x', 'y'
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expected_output = {test_symbol1: expected_output, test_symbol2: expected_output}
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output = await functions.get_company_financials(test_symbol1, test_symbol2,
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test_sym1, test_sym2 = 'x', 'y'
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expected_output = {test_sym1: expected_output, test_sym2: expected_output}
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output = await functions.get_company_financials(test_sym1, test_sym2,
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quarterly=quarterly, session=mock_session)
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self.assertDictEqual(expected_output, output)
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mock__get_single_company_financials.assert_has_calls([
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call(test_symbol1, quarterly, mock_session),
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call(test_symbol2, quarterly, mock_session)
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call(test_sym1, quarterly, mock_session),
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call(test_sym2, quarterly, mock_session)
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])
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@patch.object(functions, 'ClientSession')
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