8000 API: expose pandas.errors by jreback · Pull Request #15541 · pandas-dev/pandas · GitHub
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API: expose pandas.errors #15541

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API: expose pandas.errors #15541

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eec40cd
add pandas.api.lib
jreback Mar 15, 2017
991fbb4
API: expose pandas.errors
jreback Mar 1, 2017
92b2fdc
corrections
jreback Mar 22, 2017
7e8432d
remove need for PandasError sub-class
jreback Mar 27, 2017
e91901d
DOC: better docs on infer_type
jreback Mar 27, 2017
35d225f
more examples
jreback Mar 27, 2017
5754630
fix doc-string
jreback Mar 27, 2017
2bb1fbd
remove AmbiguousIndexError, completely unused
jreback Mar 27, 2017
3dc4b9a
more docs for exceptions
jreback Mar 27, 2017
d636ef7
document removed exceptions
jreback Mar 27, 2017
ab4525b
typo on pandas.errors in whatsnew
jreback Mar 27, 2017
e5fbdc8
give nicer deprecation / message on infer_dtype moving
jreback Apr 3, 2017
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give nicer deprecation / message on infer_dtype moving
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@jreback
jreback committed Apr 3, 2017
commit e5fbdc8e00e220eed797d4fb05bcb02b356d2f45
3 changes: 2 additions & 1 deletion pandas/__init__.py
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Expand Up @@ -62,7 +62,8 @@

json = _DeprecatedModule(deprmod='pandas.json', deprmodto='pandas.io.json.libjson')
parser = _DeprecatedModule(deprmod='pandas.parser', deprmodto='pandas.io.libparsers')
lib = _DeprecatedModule(deprmod='pandas.lib', deprmodto='pandas._libs.lib')
lib = _DeprecatedModule(deprmod='pandas.lib', deprmodto='pandas._libs.lib',
moved={'infer_dtype': 'pandas.api.lib.infer_dtype'})
tslib = _DeprecatedModule(deprmod='pandas.tslib', deprmodto='pandas._libs.tslib')

# use the closest tagged version if possible
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2 changes: 1 addition & 1 deletion pandas/tests/api/test_api.py
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Expand Up @@ -187,7 +187,7 @@ class TestLib(tm.TestCase):

def test_deprecation_access_func(self):
with catch_warnings(record=True):
pd.lib.infer_dtype
pd.lib.infer_dtype('foo')


class TestTSLib(tm.TestCase):
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11 changes: 5 additions & 6 deletions pandas/tests/api/test_lib.py
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@@ -1,11 +1,10 @@
# -*- coding: utf-8 -*-

import pytest
from warnings import catch_warnings
import pandas # noqa


@pytest.mark.parametrize('f', ['infer_dtype'])
def test_importable(f):
from pandas.api import lib
e = getattr(lib, f)
assert e is not None
def test_moved_infer_dtype():
with catch_warnings(record=True):
e = pandas.lib.infer_dtype('foo')
assert e is not None
15 changes: 14 additions & 1 deletion pandas/util/depr_module.py
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Expand Up 8000 @@ -18,14 +18,19 @@ class _DeprecatedModule(object):
be used when needed.
removals : objects or methods in module that will no longer be
accessible once module is removed.
moved : dict, optional
dictionary of function name -> new location for moved
objects
"""

def __init__(self, deprmod, deprmodto=None, removals=None):
def __init__(self, deprmod, deprmodto=None, removals=None,
moved=None):
self.deprmod = deprmod
self.deprmodto = deprmodto
self.removals = removals
if self.removals is not None:
self.removals = frozenset(self.removals)
self.moved = moved

# For introspection purposes.
self.self_dir = frozenset(dir(self.__class__))
Expand Down Expand Up @@ -60,6 +65,14 @@ def __getattr__(self, name):
"{deprmod}.{name} is deprecated and will be removed in "
"a future version.".format(deprmod=self.deprmod, name=name),
FutureWarning, stacklevel=2)
elif self.moved is not None and name in self.moved:
warnings.warn(
"{deprmod} is deprecated and will be removed in "
"a future version.\nYou can access {name} in {moved}".format(
deprmod=self.deprmod,
name=name,
moved=self.moved[name]),
FutureWarning, stacklevel=2)
else:
deprmodto = self.deprmodto
if deprmodto is None:
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