CLN: replace %s syntax with .format in pandas.core.reshape (#17252) · pandas-dev/pandas@133a208 (original) (raw)

`@@ -534,28 +534,27 @@ def init(self, left, right, how='inner', on=None,

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`'indicator option can only accept boolean or string arguments')

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`if not isinstance(left, DataFrame):

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raise ValueError(

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'can not merge DataFrame with instance of '

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'type {0}'.format(type(left)))

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raise ValueError('can not merge DataFrame with instance of '

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'type {left}'.format(left=type(left)))

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`if not isinstance(right, DataFrame):

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raise ValueError(

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'can not merge DataFrame with instance of '

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'type {0}'.format(type(right)))

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raise ValueError('can not merge DataFrame with instance of '

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'type {right}'.format(right=type(right)))

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`if not is_bool(left_index):

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`raise ValueError(

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`'left_index parameter must be of type bool, not '

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'{0}'.format(type(left_index)))

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'{left_index}'.format(left_index=type(left_index)))

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`if not is_bool(right_index):

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`raise ValueError(

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`'right_index parameter must be of type bool, not '

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'{0}'.format(type(right_index)))

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'{right_index}'.format(right_index=type(right_index)))

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`# warn user when merging between different levels

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`if left.columns.nlevels != right.columns.nlevels:

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`msg = ('merging between different levels can give an unintended '

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'result ({0} levels on the left, {1} on the right)')

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msg = msg.format(left.columns.nlevels, right.columns.nlevels)

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'result ({left} levels on the left, {right} on the right)'

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).format(left=left.columns.nlevels,

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right=right.columns.nlevels)

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`warnings.warn(msg, UserWarning)

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`self._validate_specification()

`@@ -613,7 +612,8 @@ def _indicator_pre_merge(self, left, right):

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`for i in ['_left_indicator', '_right_indicator']:

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`if i in columns:

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`` raise ValueError("Cannot use indicator=True option when "

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"data contains a column named {}".format(i))

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"data contains a column named {name}"

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.format(name=i))

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`if self.indicator_name in columns:

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`raise ValueError(

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`"Cannot use name of an existing column for indicator column")

`@@ -717,7 +717,7 @@ def _maybe_add_join_keys(self, result, left_indexer, right_indexer):

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`if name in result:

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`result[name] = key_col

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`else:

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result.insert(i, name or 'key_%d' % i, key_col)

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result.insert(i, name or 'key_{i}'.format(i=i), key_col)

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`def _get_join_indexers(self):

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`""" return the join indexers """

`@@ -952,8 +952,8 @@ def _validate_specification(self):

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`if len(common_cols) == 0:

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`raise MergeError('No common columns to perform merge on')

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`if not common_cols.is_unique:

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raise MergeError("Data columns not unique: %s"

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% repr(common_cols))

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raise MergeError("Data columns not unique: {common!r}"

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.format(common=common_cols))

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`self.left_on = self.right_on = common_cols

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`elif self.on is not None:

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`if self.left_on is not None or self.right_on is not None:

`@@ -1119,12 +1119,14 @@ def get_result(self):

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`def _asof_function(direction, on_type):

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return getattr(libjoin, 'asof_join_%s_%s' % (direction, on_type), None)

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name = 'asof_join_{dir}_{on}'.format(dir=direction, on=on_type)

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return getattr(libjoin, name, None)

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`def _asof_by_function(direction, on_type, by_type):

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return getattr(libjoin, 'asof_join_%s_%s_by_%s' %

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(direction, on_type, by_type), None)

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name = 'asof_join_{dir}_{on}by{by}'.format(

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dir=direction, on=on_type, by=by_type)

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return getattr(libjoin, name, None)

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`_type_casters = {

`@@ -1153,7 +1155,7 @@ def _get_cython_type(dtype):

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`type_name = _get_dtype(dtype).name

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`ctype = _cython_types.get(type_name, 'object')

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`if ctype == 'error':

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raise MergeError('unsupported type: ' + type_name)

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raise MergeError('unsupported type: {type}'.format(type=type_name))

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`return ctype

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`@@ -1235,7 +1237,8 @@ def _validate_specification(self):

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`# check 'direction' is valid

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`if self.direction not in ['backward', 'forward', 'nearest']:

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raise MergeError('direction invalid: ' + self.direction)

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raise MergeError('direction invalid: {direction}'

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.format(direction=self.direction))

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`@property

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`def _asof_key(self):

`@@ -1264,7 +1267,7 @@ def _get_merge_keys(self):

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`lt = left_join_keys[-1]

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`msg = "incompatible tolerance, must be compat " \

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"with type {0}".format(type(lt))

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"with type {lt}".format(lt=type(lt))

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`if is_datetime64_dtype(lt) or is_datetime64tz_dtype(lt):

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`if not isinstance(self.tolerance, Timedelta):

`@@ -1283,8 +1286,8 @@ def _get_merge_keys(self):

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`# validate allow_exact_matches

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`if not is_bool(self.allow_exact_matches):

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raise MergeError("allow_exact_matches must be boolean, "

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"passed {0}".format(self.allow_exact_matches))

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msg = "allow_exact_matches must be boolean, passed {passed}"

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raise MergeError(msg.format(passed=self.allow_exact_matches))

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`return left_join_keys, right_join_keys, join_names

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`@@ -1306,11 +1309,11 @@ def flip(xs):

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`tolerance = self.tolerance

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`# we required sortedness in the join keys

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msg = " keys must be sorted"

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msg = "{side} keys must be sorted"

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`if not Index(left_values).is_monotonic:

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raise ValueError('left' + msg)

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raise ValueError(msg.format(side='left'))

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`if not Index(right_values).is_monotonic:

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raise ValueError('right' + msg)

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raise ValueError(msg.format(side='right'))

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`# initial type conversion as needed

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`if needs_i8_conversion(left_values):