#837

Committed 19 Oct 2023 09:02AM UTC coverage: 0.0% (-78.6%) from 78.632%

Build # #837

Build Type

push

circle-ci

Committed by Andy Xu

Commit Message

Add CostEntry

Run Details

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/evadb/functions/ndarray/open.py

# coding=utf-8
# Copyright 2018-2023 EvaDB
#
# 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.
import numpy as np
import pandas as pd

from evadb.functions.abstract.abstract_function import AbstractFunction
from evadb.utils.generic_utils import try_to_import_cv2


class Open(AbstractFunction):
    def setup(self):
        # cache data to avoid expensive open files on disk
        self._data_cache = dict()
        try_to_import_cv2()

    @property
    def name(self):
        return "Open"

    def forward(self, df: pd.DataFrame) -> pd.DataFrame:
        """
        Open image from server-side path.

        Returns:
            (pd.DataFrame): The opened image.
        """

        def _open(row: pd.Series) -> np.ndarray:
            path_str = row[0]
            if path_str in self._data_cache:
                data = self._data_cache[path_str]
            else:
                import cv2

                data = cv2.imread(path_str)
                assert data is not None, f"Failed to open file {path_str}"
            self._data_cache[path_str] = data

            return data

        ret = pd.DataFrame()
        ret["data"] = df.apply(_open, axis=1)
        return ret

1	# coding=utf-8
2	# Copyright 2018-2023 EvaDB
3	#
4	# Licensed under the Apache License, Version 2.0 (the "License");
5	# you may not use this file except in compliance with the License.
6	# You may obtain a copy of the License at
7	#
8	# http://www.apache.org/licenses/LICENSE-2.0
9	#
10	# Unless required by applicable law or agreed to in writing, software
11	# distributed under the License is distributed on an "AS IS" BASIS,
12	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	# See the License for the specific language governing permissions and
14	# limitations under the License.
15	import numpy as np	×
16	import pandas as pd	×
17
18	from evadb.functions.abstract.abstract_function import AbstractFunction	×
19	from evadb.utils.generic_utils import try_to_import_cv2	×
20
21
22	class Open(AbstractFunction):	×
23	def setup(self):	×
24	# cache data to avoid expensive open files on disk
25	self._data_cache = dict()	×
26	try_to_import_cv2()	×
27
28	@property	×
29	def name(self):	×
30	return "Open"	×
31
32	def forward(self, df: pd.DataFrame) -> pd.DataFrame:	×
33	"""
34	Open image from server-side path.
35
36	Returns:
37	(pd.DataFrame): The opened image.
38	"""
39
40	def _open(row: pd.Series) -> np.ndarray:	×
41	path_str = row[0]	×
42	if path_str in self._data_cache:	×
43	data = self._data_cache[path_str]	×
44	else:
45	import cv2	×
46
47	data = cv2.imread(path_str)	×
48	assert data is not None, f"Failed to open file {path_str}"	×
49	self._data_cache[path_str] = data	×
50
51	return data	×
52
53	ret = pd.DataFrame()	×
54	ret["data"] = df.apply(_open, axis=1)	×
55	return ret	×

georgia-tech-db / eva / #837

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