vanvalenlab / kiosk-client / 408

Committed 7 Jun 2020 - 18:00 coverage: 96.367% (-0.8%) from 97.148%

Build # 408

Build Type

Pull #50

travis-ci-com

Committed by

web-flow

Commit Message

Merge 1b99834ef into 30e9812e4

Pull Request Pull Request #50: JobManagers download zipped image results for each job.

Run Details

32 of 38 new or added lines in 2 files covered. (84.21%)

610 of 633 relevant lines covered (96.37%)

4.81 hits per line

Source File
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87.23

/kiosk_client/utils.py

# Copyright 2016-2020 The Van Valen Lab at the California Institute of
# Technology (Caltech), with support from the Paul Allen Family Foundation,
# Google, & National Institutes of Health (NIH) under Grant U24CA224309-01.
# All rights reserved.
#
# Licensed under a modified 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.github.com/vanvalenlab/kiosk-client/LICENSE
#
# The Work provided may be used for non-commercial academic purposes only.
# For any other use of the Work, including commercial use, please contact:
# vanvalenlab@gmail.com
#
# Neither the name of Caltech nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific
# prior written permission.
#
# 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.
# ============================================================================
"""Utility files for batch file processing"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import os

from PIL import Image

from twisted.internet import reactor
from twisted.internet.task import deferLater


def get_download_path():
    """Returns the default downloads path for linux or windows.
    https://stackoverflow.com/a/48706260
    """
    if os.name == 'nt':
        # pylint: disable=E0401,C0415
        import winreg
        k = r'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders'
        downloads_guid = '{374DE290-123F-4565-9164-39C4925E467B}'
        with winreg.OpenKey(winreg.HKEY_CURRENT_USER, k) as key:
            location = winreg.QueryValueEx(key, downloads_guid)[0]
        return location
    location = os.path.join(os.path.expanduser('~'), 'Downloads')
    while not os.path.exists(location):
        location = os.path.abspath(os.path.join(location, '..'))
    return location


def strip_bucket_prefix(prefix):
    """Remove any leading or trailing "/" characters."""
    return '/'.join(x for x in prefix.split('/') if x)


def sleep(seconds):
    """Simple helper to delay asynchronously for some number of seconds."""
    return deferLater(reactor, seconds, lambda: None)


def is_image_file(filepath):
    """Returns True if the file is an image file, otherwise False"""
    try:
        with Image.open(filepath) as im:
            im.verify()
        return True
    except:  # pylint: disable=bare-except
        return False


def iter_image_files(path, include_archives=True):
    archive_extensions = {'.zip'}
    if os.path.isfile(path):
        _, ext = os.path.splitext(path.lower())
        if ext in archive_extensions and include_archives:
            yield path
        elif is_image_file(path):
            yield path

    for (dirpath, _, filenames) in os.walk(path):
        for filename in filenames:
            filepath = os.path.join(dirpath, filename)
            # process all zip images
            _, ext = os.path.splitext(filepath.lower())
            if ext in archive_extensions and include_archives:
                yield filepath

            # process all images
            elif is_image_file(filepath):
                yield filepath

1	# Copyright 2016-2020 The Van Valen Lab at the California Institute of
2	# Technology (Caltech), with support from the Paul Allen Family Foundation,
3	# Google, & National Institutes of Health (NIH) under Grant U24CA224309-01.
4	# All rights reserved.
5	#
6	# Licensed under a modified Apache License, Version 2.0 (the "License");
7	# you may not use this file except in compliance with the License.
8	# You may obtain a copy of the License at
9	#
10	# http://www.github.com/vanvalenlab/kiosk-client/LICENSE
11	#
12	# The Work provided may be used for non-commercial academic purposes only.
13	# For any other use of the Work, including commercial use, please contact:
14	# vanvalenlab@gmail.com
15	#
16	# Neither the name of Caltech nor the names of its contributors may be used
17	# to endorse or promote products derived from this software without specific
18	# prior written permission.
19	#
20	# Unless required by applicable law or agreed to in writing, software
21	# distributed under the License is distributed on an "AS IS" BASIS,
22	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23	# See the License for the specific language governing permissions and
24	# limitations under the License.
25	# ============================================================================
26	"""Utility files for batch file processing"""	5×
27	from __future__ import absolute_import	5×
28	from __future__ import division	5×
29	from __future__ import print_function	5×
30
31	import os	5×
32
33	from PIL import Image	5×
34
35	from twisted.internet import reactor	5×
36	from twisted.internet.task import deferLater	5×
37
38
39	def get_download_path():	5×
40	"""Returns the default downloads path for linux or windows.
41	https://stackoverflow.com/a/48706260
42	"""
43	if os.name == 'nt':	5×
44	# pylint: disable=E0401,C0415
NEW 45	import winreg	!
NEW 46	k = r'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders'	!
NEW 47	downloads_guid = '{374DE290-123F-4565-9164-39C4925E467B}'	!
NEW 48	with winreg.OpenKey(winreg.HKEY_CURRENT_USER, k) as key:	!
NEW 49	location = winreg.QueryValueEx(key, downloads_guid)[0]	!
NEW 50	return location	!
51	location = os.path.join(os.path.expanduser('~'), 'Downloads')	5×
52	while not os.path.exists(location):	5×
53	location = os.path.abspath(os.path.join(location, '..'))	5×
54	return location	5×
55
56
57	def strip_bucket_prefix(prefix):	5×
58	"""Remove any leading or trailing "/" characters."""
59	return '/'.join(x for x in prefix.split('/') if x)	5×
60
61
62	def sleep(seconds):	5×
63	"""Simple helper to delay asynchronously for some number of seconds."""
64	return deferLater(reactor, seconds, lambda: None)	5×
65
66
67	def is_image_file(filepath):	5×
68	"""Returns True if the file is an image file, otherwise False"""
69	try:	5×
70	with Image.open(filepath) as im:	5×
71	im.verify()	5×
72	return True	5×
73	except: # pylint: disable=bare-except	5×
74	return False	5×
75
76
77	def iter_image_files(path, include_archives=True):	5×
78	archive_extensions = {'.zip'}	5×
79	if os.path.isfile(path):	5×
80	_, ext = os.path.splitext(path.lower())	5×
81	if ext in archive_extensions and include_archives:	5×
82	yield path	5×
83	elif is_image_file(path):	5×
84	yield path	5×
85
86	for (dirpath, _, filenames) in os.walk(path):	5×
87	for filename in filenames:	5×
88	filepath = os.path.join(dirpath, filename)	5×
89	# process all zip images
90	_, ext = os.path.splitext(filepath.lower())	5×
91	if ext in archive_extensions and include_archives:	5×
92	yield filepath	5×
93
94	# process all images
95	elif is_image_file(filepath):	5×
96	yield filepath	5×

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