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CLN: catch specific exceptions in frame.py #29258

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Merged
merged 3 commits into from
Oct 29, 2019
Merged

CLN: catch specific exceptions in frame.py #29258

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c8e92d3
CLN: catch specific exceptions
jbrockmendel Oct 28, 2019
7da0603
Merge branch 'master' of https://github.com/pandas-dev/pandas into fa…
jbrockmendel Oct 29, 2019
eb58fb5
Catch TypeError in addition to KeyError
jbrockmendel Oct 29, 2019
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20 changes: 11 additions & 9 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1666,11 +1666,12 @@ def from_records(
else:
try:
index_data = [arrays[arr_columns.get_loc(field)] for field in index]
except (KeyError, TypeError):
# raised by get_loc, see GH#29258
result_index = index
else:
result_index = ensure_index_from_sequences(index_data, names=index)

exclude.update(index)
except Exception:
result_index = index

if any(exclude):
arr_exclude = [x for x in exclude if x in arr_columns]
Expand Down Expand Up @@ -3625,11 +3626,11 @@ def reindexer(value):
# GH 4107
try:
value = value.reindex(self.index)._values
except Exception as e:

# duplicate axis
except ValueError as err:
# raised in MultiIndex.from_tuples, see test_insert_error_msmgs
if not value.index.is_unique:
raise e
# duplicate axis
raise err

# other
raise TypeError(
Expand Down Expand Up @@ -7796,7 +7797,8 @@ def f(x):
# TODO: combine with hasattr(result, 'dtype') further down
# hard since we don't have `values` down there.
result = np.bool_(result)
except Exception as e:
except TypeError as err:
# e.g. in nanops trying to convert strs to float

# try by-column first
if filter_type is None and axis == 0:
Expand Down Expand Up @@ -7826,7 +7828,7 @@ def f(x):
raise NotImplementedError(
"Handling exception with filter_type {f} not"
"implemented.".format(f=filter_type)
) from e
) from err
with np.errstate(all="ignore"):
result = f(data.values)
labels = data._get_agg_axis(axis)
Expand Down