Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

CLN: remove never-used kwargs, make kwargs explicit #29873

Merged
merged 2 commits into from
Nov 27, 2019
Merged

CLN: remove never-used kwargs, make kwargs explicit #29873

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
454ba29
CLN: remove never-used kwargs, make kwargs explicit
jbrockmendel Nov 26, 2019
fa590db
Merge branch 'master' of https://github.com/pandas-dev/pandas into cl…
jbrockmendel Nov 27, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
101 changes: 47 additions & 54 deletions pandas/io/pytables.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -779,7 +779,6 @@ def select_as_coordinates(
where=None,
start: Optional[int] = None,
stop: Optional[int] = None,
**kwargs,
):
"""
return the selection as an Index
Expand All @@ -795,7 +794,7 @@ def select_as_coordinates(
tbl = self.get_storer(key)
if not isinstance(tbl, Table):
raise TypeError("can only read_coordinates with a table")
return tbl.read_coordinates(where=where, start=start, stop=stop, **kwargs)
return tbl.read_coordinates(where=where, start=start, stop=stop)

def select_column(self, key: str, column: str, **kwargs):
"""
Expand Down Expand Up @@ -2286,7 +2285,7 @@ def set_atom_data(self, block):
self.typ = self.get_atom_data(block)
self.set_data(block.values.astype(self.typ.type, copy=False))

def set_atom_categorical(self, block, items, info=None, values=None):
def set_atom_categorical(self, block, items, info=None):
# currently only supports a 1-D categorical
# in a 1-D block

Expand Down Expand Up @@ -2314,17 +2313,15 @@ def set_atom_categorical(self, block, items, info=None, values=None):
def get_atom_datetime64(self, block):
return _tables().Int64Col(shape=block.shape[0])

def set_atom_datetime64(self, block, values=None):
def set_atom_datetime64(self, block):
self.kind = "datetime64"
self.typ = self.get_atom_datetime64(block)
if values is None:
values = block.values.view("i8")
values = block.values.view("i8")
self.set_data(values, "datetime64")

def set_atom_datetime64tz(self, block, info, values=None):
def set_atom_datetime64tz(self, block, info):

if values is None:
values = block.values
values = block.values

# convert this column to i8 in UTC, and save the tz
values = values.asi8.reshape(block.shape)
Expand All @@ -2340,11 +2337,10 @@ def set_atom_datetime64tz(self, block, info, values=None):
def get_atom_timedelta64(self, block):
return _tables().Int64Col(shape=block.shape[0])

def set_atom_timedelta64(self, block, values=None):
def set_atom_timedelta64(self, block):
self.kind = "timedelta64"
self.typ = self.get_atom_timedelta64(block)
if values is None:
values = block.values.view("i8")
values = block.values.view("i8")
self.set_data(values, "timedelta64")

@property
Expand Down Expand Up @@ -2532,10 +2528,6 @@ def version(self) -> Tuple[int, int, int]:
def pandas_type(self):
return _ensure_decoded(getattr(self.group._v_attrs, "pandas_type", None))

@property
def format_type(self) -> str:
return "fixed"

def __repr__(self) -> str:
""" return a pretty representation of myself """
self.infer_axes()
Expand Down Expand Up @@ -2633,7 +2625,13 @@ def infer_axes(self):
self.get_attrs()
return True

def read(self, **kwargs):
def read(
self,
where=None,
columns=None,
start: Optional[int] = None,
stop: Optional[int] = None,
):
raise NotImplementedError(
"cannot read on an abstract storer: subclasses should implement"
)
Expand Down Expand Up @@ -2797,9 +2795,7 @@ def write_index(self, key, index):
self.write_sparse_intindex(key, index)
else:
setattr(self.attrs, f"{key}_variety", "regular")
converted = _convert_index(
"index", index, self.encoding, self.errors, self.format_type
)
converted = _convert_index("index", index, self.encoding, self.errors)

self.write_array(key, converted.values)

Expand Down Expand Up @@ -2848,9 +2844,7 @@ def write_multi_index(self, key, index):
"Saving a MultiIndex with an extension dtype is not supported."
)
level_key = f"{key}_level{i}"
conv_level = _convert_index(
level_key, lev, self.encoding, self.errors, self.format_type
)
conv_level = _convert_index(level_key, lev, self.encoding, self.errors)
self.write_array(level_key, conv_level.values)
node = getattr(self.group, level_key)
node._v_attrs.kind = conv_level.kind
Expand Down Expand Up @@ -3190,10 +3184,6 @@ def __init__(self, *args, **kwargs):
def table_type_short(self) -> str:
return self.table_type.split("_")[0]

@property
def format_type(self) -> str:
return "table"

def __repr__(self) -> str:
""" return a pretty representation of myself """
self.infer_axes()
Expand Down Expand Up @@ -3544,14 +3534,17 @@ def create_index(self, columns=None, optlevel=None, kind=None):
)
v.create_index(**kw)

def read_axes(self, where, **kwargs) -> bool:
def read_axes(
self, where, start: Optional[int] = None, stop: Optional[int] = None
) -> bool:
"""
Create the axes sniffed from the table.

Parameters
----------
where : ???
**kwargs
start: int or None, default None
stop: int or None, default None

Returns
-------
Expand All @@ -3567,21 +3560,19 @@ def read_axes(self, where, **kwargs) -> bool:
return False

# create the selection
selection = Selection(self, where=where, **kwargs)
selection = Selection(self, where=where, start=start, stop=stop)
values = selection.select()

# convert the data
for a in self.axes:
a.set_info(self.info)
# `kwargs` may contain `start` and `stop` arguments if passed to
# `store.select()`. If set they determine the index size.
a.convert(
values,
nan_rep=self.nan_rep,
encoding=self.encoding,
errors=self.errors,
start=kwargs.get("start"),
stop=kwargs.get("stop"),
start=start,
stop=stop,
)

return True
Expand Down Expand Up @@ -3636,7 +3627,6 @@ def create_axes(
nan_rep=None,
data_columns=None,
min_itemsize=None,
**kwargs,
):
""" create and return the axes
legacy tables create an indexable column, indexable index,
Expand Down Expand Up @@ -3706,9 +3696,7 @@ def create_axes(

if i in axes:
name = obj._AXIS_NAMES[i]
new_index = _convert_index(
name, a, self.encoding, self.errors, self.format_type
)
new_index = _convert_index(name, a, self.encoding, self.errors)
new_index.axis = i
index_axes_map[i] = new_index

Expand Down Expand Up @@ -3948,11 +3936,7 @@ def create_description(
return d

def read_coordinates(
self,
where=None,
start: Optional[int] = None,
stop: Optional[int] = None,
**kwargs,
self, where=None, start: Optional[int] = None, stop: Optional[int] = None,
):
"""select coordinates (row numbers) from a table; return the
coordinates object
Expand Down Expand Up @@ -4061,15 +4045,22 @@ def write(
chunksize=None,
expectedrows=None,
dropna=False,
**kwargs,
nan_rep=None,
data_columns=None,
errors="strict", # not used hre, but passed to super
):

if not append and self.is_exists:
self._handle.remove_node(self.group, "table")

# create the axes
self.create_axes(
axes=axes, obj=obj, validate=append, min_itemsize=min_itemsize, **kwargs
axes=axes,
obj=obj,
validate=append,
min_itemsize=min_itemsize,
nan_rep=nan_rep,
data_columns=data_columns,
)

for a in self.axes:
Expand Down Expand Up @@ -4219,11 +4210,7 @@ def write_data_chunk(self, rows, indexes, mask, values):
self.table.flush()

def delete(
self,
where=None,
start: Optional[int] = None,
stop: Optional[int] = None,
**kwargs,
self, where=None, start: Optional[int] = None, stop: Optional[int] = None,
):

# delete all rows (and return the nrows)
Expand Down Expand Up @@ -4303,9 +4290,15 @@ def get_object(self, obj):
obj = obj.T
return obj

def read(self, where=None, columns=None, **kwargs):
def read(
self,
where=None,
columns=None,
start: Optional[int] = None,
stop: Optional[int] = None,
):

if not self.read_axes(where=where, **kwargs):
if not self.read_axes(where=where, start=start, stop=stop):
return None

info = (
Expand Down Expand Up @@ -4349,7 +4342,7 @@ def read(self, where=None, columns=None, **kwargs):
else:
df = concat(frames, axis=1)

selection = Selection(self, where=where, **kwargs)
selection = Selection(self, where=where, start=start, stop=stop)
# apply the selection filters & axis orderings
df = self.process_axes(df, selection=selection, columns=columns)

Expand Down Expand Up @@ -4573,7 +4566,7 @@ def _set_tz(values, tz, preserve_UTC: bool = False, coerce: bool = False):
return values


def _convert_index(name: str, index, encoding=None, errors="strict", format_type=None):
def _convert_index(name: str, index, encoding=None, errors="strict"):
assert isinstance(name, str)

index_name = getattr(index, "name", None)
Expand Down