forked from googleapis/python-bigquery-dataframes
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathconvert.py
More file actions
94 lines (81 loc) · 2.89 KB
/
convert.py
File metadata and controls
94 lines (81 loc) · 2.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
from typing import Optional
import pandas as pd
import bigframes.core.indexes as index
import bigframes.series as series
def is_series_convertible(obj) -> bool:
if isinstance(obj, series.Series):
return True
if isinstance(obj, pd.Series):
return True
if isinstance(obj, index.Index):
return True
if isinstance(obj, pd.Index):
return True
if pd.api.types.is_list_like(obj):
return True
else:
return False
def to_bf_series(obj, default_index: Optional[index.Index], session) -> series.Series:
"""
Convert a an object to a bigframes series
Args:
obj (list-like or Series):
Object to convert to bigframes Series
default_index (list-like or Index or None):
Index to use if obj has no index
Returns
bigframes.pandas.Series
"""
if isinstance(obj, series.Series):
return obj
if isinstance(obj, pd.Series):
return series.Series(obj, session=session)
if isinstance(obj, index.Index):
return series.Series(obj, default_index, session=session)
if isinstance(obj, pd.Index):
return series.Series(obj, default_index, session=session)
if pd.api.types.is_dict_like(obj):
return series.Series(obj, session=session)
if pd.api.types.is_list_like(obj):
return series.Series(obj, default_index, session=session)
else:
raise TypeError(f"Cannot interpret {obj} as series.")
def to_pd_series(obj, default_index: pd.Index) -> pd.Series:
"""
Convert a an object to a pandas series
Args:
obj (list-like or Series):
Object to convert to pandas Series
default_index (list-like or Index or None):
Index to use if obj has no index
Returns
pandas.Series
"""
if isinstance(obj, series.Series):
return obj.to_pandas()
if isinstance(obj, pd.Series):
return obj
if isinstance(obj, index.Index):
return pd.Series(obj.to_pandas(), default_index)
if isinstance(obj, pd.Index):
return pd.Series(obj, default_index)
if pd.api.types.is_dict_like(obj):
return pd.Series(obj)
if pd.api.types.is_list_like(obj):
return pd.Series(obj, default_index)
else:
raise TypeError(f"Cannot interpret {obj} as series.")