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adding upgrade for pandas deprecation warning, adding pyarrow>=0.17.0… #1844

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Jan 31, 2024
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adding upgrade for pandas deprecation warning, adding pyarrow>=0.17.0… #1844

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58a0a57
adding upgrade for pandas deprecation warning, adding pyarrow>=0.17.0…
nikolauspschuetz Jan 27, 2024
5aef8ad
removing dev requirements (they are included by extras)
nikolauspschuetz Jan 29, 2024
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24 changes: 13 additions & 11 deletions tests/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@
python -m unittest tests.utils.TestTicker
"""
from unittest import TestSuite

# import pandas as pd
# import numpy as np

Expand All @@ -34,16 +36,16 @@ def test_storeTzNoRaise(self):
tkr = 'AMZN'
tz1 = "America/New_York"
tz2 = "London/Europe"
cache = yf.utils.get_tz_cache()
cache = yf.cache.get_tz_cache()
cache.store(tkr, tz1)
cache.store(tkr, tz2)

def test_setTzCacheLocation(self):
self.assertEqual(yf.utils._DBManager.get_location(), self.tempCacheDir.name)
self.assertEqual(yf.cache._TzDBManager.get_location(), self.tempCacheDir.name)

tkr = 'AMZN'
tz1 = "America/New_York"
cache = yf.utils.get_tz_cache()
cache = yf.cache.get_tz_cache()
cache.store(tkr, tz1)

self.assertTrue(os.path.exists(os.path.join(self.tempCacheDir.name, "tkr-tz.db")))
Expand All @@ -60,30 +62,30 @@ def test_tzCacheRootStore(self):
tz1 = "America/New_York"

# During attempt to store, will discover cannot write
yf.utils.get_tz_cache().store(tkr, tz1)
yf.cache.get_tz_cache().store(tkr, tz1)

# Handling the store failure replaces cache with a dummy
cache = yf.utils.get_tz_cache()
cache = yf.cache.get_tz_cache()
self.assertTrue(cache.dummy)
cache.store(tkr, tz1)

def test_tzCacheRootLookup(self):
# Test that if cache path in read-only filesystem, no exception.
tkr = 'AMZN'
# During attempt to lookup, will discover cannot write
yf.utils.get_tz_cache().lookup(tkr)
yf.cache.get_tz_cache().lookup(tkr)

# Handling the lookup failure replaces cache with a dummy
cache = yf.utils.get_tz_cache()
cache = yf.cache.get_tz_cache()
self.assertTrue(cache.dummy)
cache.lookup(tkr)


def suite():
suite = unittest.TestSuite()
suite.addTest(TestCache('Test cache'))
suite.addTest(TestCacheNoPermission('Test cache no permission'))
return suite
ts: TestSuite = unittest.TestSuite()
ts.addTest(TestCache('Test cache'))
ts.addTest(TestCacheNoPermission('Test cache no permission'))
return ts


if __name__ == '__main__':
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2 changes: 1 addition & 1 deletion yfinance/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -772,7 +772,7 @@ def fix_Yahoo_dst_issue(df, interval):
f_pre_midnight = (df.index.minute == 0) & (df.index.hour.isin([22, 23]))
dst_error_hours = _np.array([0] * df.shape[0])
dst_error_hours[f_pre_midnight] = 24 - df.index[f_pre_midnight].hour
df.index += _pd.TimedeltaIndex(dst_error_hours, 'h')
df.index += _pd.to_timedelta(dst_error_hours, 'h')
return df


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