class MarketData:
def __init__(self, broker=None):
self.writer = FileWriter()
self.reader = FileReader()
self.finder = PathFinder()
def get_symbols(self):
# get cached list of symbols
symbols_path = self.finder.get_symbols_path()
return list(self.reader.load_csv(symbols_path)[C.SYMBOL])
def get_dividends(self, symbol, timeframe=None):
# given a symbol, return a cached dataframe
return self.reader.load_csv(self.finder.get_dividends_path(symbol))
def save_dividends(self, symbol, timeframe=None):
# given a symbol, save its dividend history
if timeframe:
df = self.get_dividends(symbol, timeframe)
else:
df = self.get_dividends(symbol)
self.writer.update_csv(self.finder.get_dividends_path(symbol), df)
class MarketData:
def __init__(self):
load_dotenv(find_dotenv('config.env'))
self.writer = FileWriter()
self.reader = FileReader()
self.finder = PathFinder()
self.traveller = TimeTraveller()
self.provider = 'iexcloud'
def try_again(self, func, **kwargs):
retries = (kwargs['retries']
if 'retries' in kwargs else C.DEFAULT_RETRIES)
delay = (kwargs['delay'] if 'delay' in kwargs else C.DEFAULT_DELAY)
func_args = {
k: v
for k, v in kwargs.items() if k not in {'retries', 'delay'}
}
for retry in range(retries):
try:
return func(**func_args)
except Exception as e:
if retry == retries - 1:
raise e
else:
sleep(delay)
def get_symbols(self):
# get cached list of symbols
symbols_path = self.finder.get_symbols_path()
return list(self.reader.load_csv(symbols_path)[C.SYMBOL])
def get_dividends(self, symbol, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(
self.finder.get_dividends_path(symbol, self.provider))
filtered = self.reader.data_in_timeframe(df, C.EX, timeframe)
return filtered
def standardize(self, df, full_mapping, filename, columns, default):
mapping = {k: v for k, v in full_mapping.items() if k in df}
df = df[list(mapping)].rename(columns=mapping)
time_col, val_cols = columns[0], columns[1:]
if time_col in df and set(val_cols).issubset(df.columns):
df = self.reader.update_df(filename, df,
time_col).sort_values(by=[time_col])
# since time col is pd.datetime,
# consider converting to YYYY-MM-DD str format
for val_col in val_cols:
df[val_col] = df[val_col].apply(lambda val: float(val)
if val else default)
return df
def standardize_dividends(self, symbol, df):
full_mapping = dict(
zip(['exDate', 'paymentDate', 'declaredDate', 'amount'],
[C.EX, C.PAY, C.DEC, C.DIV]))
filename = self.finder.get_dividends_path(symbol, self.provider)
return self.standardize(df, full_mapping, filename, [C.EX, C.DIV], 0)
def save_dividends(self, **kwargs):
# given a symbol, save its dividend history
symbol = kwargs['symbol']
filename = self.finder.get_dividends_path(symbol, self.provider)
if os.path.exists(filename):
os.remove(filename)
df = self.reader.update_df(filename, self.get_dividends(**kwargs),
C.EX, C.DATE_FMT)
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
def get_splits(self, symbol, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(
self.finder.get_splits_path(symbol, self.provider))
filtered = self.reader.data_in_timeframe(df, C.EX, timeframe)
return filtered
def standardize_splits(self, symbol, df):
full_mapping = dict(
zip(['exDate', 'paymentDate', 'declaredDate', 'ratio'],
[C.EX, C.PAY, C.DEC, C.RATIO]))
filename = self.finder.get_splits_path(symbol, self.provider)
return self.standardize(df, full_mapping, filename, [C.EX, C.RATIO], 1)
def save_splits(self, **kwargs):
# given a symbol, save its splits history
symbol = kwargs['symbol']
filename = self.finder.get_splits_path(symbol, self.provider)
if os.path.exists(filename):
os.remove(filename)
df = self.reader.update_df(filename, self.get_splits(**kwargs), C.EX,
C.DATE_FMT)
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
def standardize_ohlc(self, symbol, df, filename=None):
full_mapping = dict(
zip([
'date', 'open', 'high', 'low', 'close', 'volume', 'average',
'trades'
], [
C.TIME, C.OPEN, C.HIGH, C.LOW, C.CLOSE, C.VOL, C.AVG, C.TRADES
]))
filename = filename or self.finder.get_ohlc_path(symbol, self.provider)
df = self.standardize(df, full_mapping, filename,
[C.TIME, C.OPEN, C.HIGH, C.LOW, C.CLOSE], 0)
for col in [C.VOL, C.TRADES]:
if col in df:
df[col] = df[col].apply(lambda val: 0
if pd.isnull(val) else int(val))
return df
def get_ohlc(self, symbol, timeframe='max'):
df = self.reader.load_csv(
self.finder.get_ohlc_path(symbol, self.provider))
filtered = self.reader.data_in_timeframe(df, C.TIME, timeframe)
return filtered
def save_ohlc(self, **kwargs):
symbol = kwargs['symbol']
filename = self.finder.get_ohlc_path(symbol, self.provider)
if os.path.exists(filename):
os.remove(filename)
df = self.reader.update_df(filename, self.get_ohlc(**kwargs), C.TIME,
C.DATE_FMT)
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
def get_social_sentiment(self, symbol, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(self.finder.get_sentiment_path(symbol))
filtered = self.reader.data_in_timeframe(
df, C.TIME, timeframe)[[C.TIME, C.POS, C.NEG]]
return filtered
def get_social_volume(self, symbol, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(self.finder.get_sentiment_path(symbol))
filtered = self.reader.data_in_timeframe(
df, C.TIME, timeframe)[[C.TIME, C.VOL, C.DELTA]]
return filtered
def save_social_sentiment(self, **kwargs):
# # given a symbol, save its sentiment data
symbol = kwargs['symbol']
filename = self.finder.get_sentiment_path(symbol)
if os.path.exists(filename):
os.remove(filename)
sen_df = self.reader.update_df(filename,
self.get_social_sentiment(**kwargs),
C.TIME)
sen_df = sen_df[{C.TIME, C.POS, C.NEG}.intersection(sen_df.columns)]
vol_df = self.reader.update_df(filename,
self.get_social_volume(**kwargs),
C.TIME)
vol_df = vol_df[{C.TIME, C.VOL, C.DELTA}.intersection(vol_df.columns)]
if sen_df.empty and not vol_df.empty:
df = vol_df
elif not sen_df.empty and vol_df.empty:
df = sen_df
elif not sen_df.empty and not vol_df.empty:
df = sen_df.merge(vol_df, how="outer", on=C.TIME)
else:
return
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
def standardize_sentiment(self, symbol, df):
full_mapping = dict(
zip(['timestamp', 'bullish', 'bearish'], [C.TIME, C.POS, C.NEG]))
filename = self.finder.get_sentiment_path(symbol, self.provider)
df = self.standardize(df, full_mapping, filename,
[C.TIME, C.POS, C.NEG], 0)
return df[{C.TIME, C.POS, C.NEG}.intersection(df.columns)]
def standardize_volume(self, symbol, df):
full_mapping = dict(
zip(['timestamp', 'volume_score', 'volume_change'],
[C.TIME, C.VOL, C.DELTA]))
filename = self.finder.get_sentiment_path(symbol, self.provider)
df = self.standardize(df, full_mapping, filename,
[C.TIME, C.VOL, C.DELTA], 0)
return df[{C.TIME, C.VOL, C.DELTA}.intersection(df.columns)]
def get_intraday(self, symbol, min=1, timeframe='max', extra_hrs=False):
# implement way to transform 1 min dataset to 5 min data
# or 30 or 60 should be flexible soln
# implement way to only get market hours
# given a symbol, return a cached dataframe
dates = self.traveller.dates_in_range(timeframe)
for date in dates:
df = self.reader.load_csv(
self.finder.get_intraday_path(symbol, date, self.provider))
yield self.reader.data_in_timeframe(df, C.TIME, timeframe)
def save_intraday(self, **kwargs):
symbol = kwargs['symbol']
dfs = self.get_intraday(**kwargs)
filenames = []
for df in dfs:
date = df[C.TIME].iloc[0].strftime(C.DATE_FMT)
filename = self.finder.get_intraday_path(symbol, date,
self.provider)
if os.path.exists(filename):
os.remove(filename)
save_fmt = f'{C.DATE_FMT} {C.TIME_FMT}'
df = self.reader.update_df(filename, df, C.TIME, save_fmt)
self.writer.update_csv(filename, df)
if os.path.exists(filename):
filenames.append(filename)
return filenames
def get_unemployment_rate(self, timeframe='max'):
# given a timeframe, return a cached dataframe
df = self.reader.load_csv(self.finder.get_unemployment_path())
filtered = self.reader.data_in_timeframe(df, C.TIME, timeframe)
return filtered
def standardize_unemployment(self, df):
full_mapping = dict(zip(['time', 'value'], [C.TIME, C.UN_RATE]))
filename = self.finder.get_unemployment_path()
return self.standardize(df, full_mapping, filename,
[C.TIME, C.UN_RATE], 0)
def save_unemployment_rate(self, **kwargs):
# given a symbol, save its dividend history
filename = self.finder.get_unemployment_path()
if os.path.exists(filename):
os.remove(filename)
df = self.reader.update_df(filename,
self.get_unemployment_rate(**kwargs),
C.TIME, '%Y-%m')
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
def standardize_s2f_ratio(self, df):
full_mapping = dict(
zip(['t', 'o.daysTillHalving', 'o.ratio'],
[C.TIME, C.HALVING, C.RATIO]))
filename = self.finder.get_s2f_path()
df = self.standardize(df, full_mapping, filename,
[C.TIME, C.HALVING, C.RATIO], 0)
return df[{C.TIME, C.HALVING, C.RATIO}.intersection(df.columns)]
def get_s2f_ratio(self, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(self.finder.get_s2f_path())
filtered = self.reader.data_in_timeframe(
df, C.TIME, timeframe)[[C.TIME, C.HALVING, C.RATIO]]
return filtered
def standardize_s2f_deflection(self, df):
full_mapping = dict(zip(['t', 'v'], [C.TIME, C.VAL]))
filename = self.finder.get_s2f_path()
df = self.standardize(df, full_mapping, filename, [C.TIME, C.VAL], 1)
return df[{C.TIME, C.VAL}.intersection(df.columns)]
def get_s2f_deflection(self, timeframe='max'):
# given a symbol, return a cached dataframe
df = self.reader.load_csv(self.finder.get_s2f_path())
filtered = self.reader.data_in_timeframe(df, C.TIME,
timeframe)[[C.TIME, C.VAL]]
return filtered
def save_s2f(self, **kwargs):
# # given a symbol, save its s2f data
filename = self.finder.get_s2f_path()
if os.path.exists(filename):
os.remove(filename)
rat_df = self.reader.update_df(filename, self.get_s2f_ratio(**kwargs),
C.TIME, C.DATE_FMT)
rat_df = rat_df[{C.TIME, C.HALVING,
C.RATIO}.intersection(rat_df.columns)]
def_df = self.reader.update_df(filename,
self.get_s2f_deflection(**kwargs),
C.TIME, C.DATE_FMT)
def_df = def_df[{C.TIME, C.VAL}.intersection(def_df.columns)]
if rat_df.empty and not def_df.empty:
df = def_df
elif not rat_df.empty and def_df.empty:
df = rat_df
elif not rat_df.empty and not def_df.empty:
df = rat_df.merge(def_df, how="outer", on=C.TIME)
else:
return
self.writer.update_csv(filename, df)
if os.path.exists(filename):
return filename
