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BUG: renaming offsets quarterly frequencies with various fiscal year ends #55711

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Merged
merged 3 commits into from
Oct 31, 2023
Merged

BUG: renaming offsets quarterly frequencies with various fiscal year ends #55711

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e91c2ed
add offsets quarterly frequencies with various fiscal year ends to _d…
natmokval Oct 26, 2023
d0ae83b
simplify the condition in _get_offset
natmokval Oct 30, 2023
bbfe627
Merge branch 'main' into bug-renaming-offsets-quarterly-frequency
natmokval Oct 30, 2023
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25 changes: 23 additions & 2 deletions pandas/_libs/tslibs/offsets.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -4616,7 +4616,28 @@ _lite_rule_alias = {
"ns": "ns",
}

_dont_uppercase = {"h", "bh", "cbh", "MS", "ms", "s", "me", "qe"}
_dont_uppercase = {
"h",
"bh",
"cbh",
"MS",
"ms",
"s",
"me",
"qe",
"qe-dec",
"qe-jan",
"qe-feb",
"qe-mar",
"qe-apr",
"qe-may",
"qe-jun",
"qe-jul",
"qe-aug",
"qe-sep",
"qe-oct",
"qe-nov",
}


INVALID_FREQ_ERR_MSG = "Invalid frequency: {0}"
Expand All @@ -4635,7 +4656,7 @@ def _get_offset(name: str) -> BaseOffset:
--------
_get_offset('EOM') --> BMonthEnd(1)
"""
if name not in _dont_uppercase:
if name.lower() not in _dont_uppercase:
name = name.upper()
name = _lite_rule_alias.get(name, name)
name = _lite_rule_alias.get(name.lower(), name)
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2 changes: 1 addition & 1 deletion pandas/tests/resample/test_period_index.py
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Expand Up @@ -134,7 +134,7 @@ def test_basic_downsample(self, simple_period_range_series):
"rule,expected_error_msg",
[
("y-dec", "<YearEnd: month=12>"),
("qe-mar", "<QuarterEnd: startingMonth=3>"),
("Q-MAR", "<QuarterEnd: startingMonth=3>"),
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nice - this is a period, so indeed the period alias should be used

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@natmokval natmokval Oct 27, 2023 •
edited
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yeah, sorry I missed it in PR #55553

("M", "<MonthEnd>"),
("w-thu", "<Week: weekday=3>"),
],
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