8000 BUG/API: to_datetime preserves UTC offsets when parsing datetime strings by mroeschke · Pull Request #21822 · pandas-dev/pandas · GitHub
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BUG/API: to_datetime preserves UTC offsets when parsing datetime strings #21822

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Merged
merged 43 commits into from
Jul 30, 2018
Merged

BUG/API: to_datetime preserves UTC offsets when parsing datetime strings #21822

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ac5a3d1
BUG: to_datetime no longer converts offsets to UTC
Jul 7, 2018
b81a8e9
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 8, 2018
6bf46a8
Document and now return offset
Jul 8, 2018
678b337
Add some tests, start converting some existing uses of array_to_datetime
Jul 8, 2018
1917148
Add more tests
Jul 8, 2018
581a33e
Adjust test
Jul 8, 2018
a1bc8f9
Flake8
Jul 8, 2018
80042e6
Add tests confirming new behavior
Jul 8, 2018
7c4135e
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 10, 2018
0651416
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 11, 2018
bacb6e3
Lint
Jul 11, 2018
a2f4aad
adjust a test
Jul 11, 2018
d48f341
Ensure box object index, pass tests
Jul 11, 2018
7efb25c
Adjust tests
Jul 11, 2018
1d527ff
Adjust test
Jul 11, 2018
f89d6b6
Cleanup and add comments
Jul 12, 2018
d91c63f
address comments
Jul 12, 2018
1054e8b
adjust test to be closer to the original behavior
Jul 12, 2018
d9cdc91
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 12, 2018
7d04613
Add TypeError clause
Jul 12, 2018
031284c
Add TypeError not ValueError
Jul 12, 2018
749e62e
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 12, 2018
23cbf75
fix typo
Jul 12, 2018
1e6f87a
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 18, 2018
7539bcf
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 19, 2018
c1f51cd
New implimentation
Jul 19, 2018
db75a24
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 20, 2018
4733ac5
Change implimentation and add some tests
Jul 20, 2018
e3db735
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 20, 2018
2fa681f
Add missing commas
Jul 20, 2018
5f36c98
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 24, 2018
d7ff275
Change implimentation since tzoffsets cannot be hashed
Jul 25, 2018
4ff7cb3
Add whatsnew
Jul 25, 2018
8463d91
Address review
Jul 25, 2018
dddc6b3
Address tzlocal
Jul 25, 2018
cca3983
Change is to == for older dateutil compat
Jul 26, 2018
e441be0
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 26, 2018
a8a65f7
Modify example in whatsnew to display
Jul 26, 2018
75f9fd9
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 26, 2018
6052475
Add more specific errors
Jul 27, 2018
f916c69
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 28, 2018
807a251
Merge remote-tracking branch 'upstream/master' into parse_tz_offsets
Jul 29, 2018
1cbd9b9
Add some benchmarks and reformat tests
Jul 30, 2018
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Adjust test
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Matt Roeschke committed Jul 11, 2018
commit 1d527ff36385b578a94a9e01c174e99cc97c5f81
2 changes: 1 addition & 1 deletion pandas/tests/indexes/datetimes/test_tools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -495,7 +495,7 @@ def test_to_datetime_tz_psycopg2(self, cache):
tm.assert_index_equal(result, i)

result = pd.to_datetime(i, errors='coerce', utc=True, cache=cache)
expected = pd.DatetimeIndex(['2000-01-01 13:00:00'],
expected = pd.DatetimeIndex(['2000-01-01 08:00:00'],
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reason for this change?

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The +00:00 in i above required a tz_convert post construction while I think the original intention was to tz_localize it to the passed psycopg.tz in the constructor (leading to this change)

But to reflect the intension of the original test, I just removed the +00:00 instead

dtype='datetime64[ns, UTC]')
tm.assert_index_equal(result, expected)

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