assetmodel.py 9.71 KB
Newer Older
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
# vim: set fileencoding=utf-8 :
###############################################################################
#                                                                             #
# Copyright (c) 2019 Idiap Research Institute, http://www.idiap.ch/           #
# Contact: beat.support@idiap.ch                                              #
#                                                                             #
# This file is part of the beat.editor module of the BEAT platform.           #
#                                                                             #
# Commercial License Usage                                                    #
# Licensees holding valid commercial BEAT licenses may use this file in       #
# accordance with the terms contained in a written agreement between you      #
# and Idiap. For further information contact tto@idiap.ch                     #
#                                                                             #
# Alternatively, this file may be used under the terms of the GNU Affero      #
# Public License version 3 as published by the Free Software and appearing    #
# in the file LICENSE.AGPL included in the packaging of this file.            #
# The BEAT platform is distributed in the hope that it will be useful, but    #
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY  #
# or FITNESS FOR A PARTICULAR PURPOSE.                                        #
#                                                                             #
# You should have received a copy of the GNU Affero Public License along      #
# with the BEAT platform. If not, see http://www.gnu.org/licenses/.           #
#                                                                             #
###############################################################################

import os

28
from enum import Enum, unique
29

30
31
32
33
34
from PyQt5.QtCore import pyqtSignal
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtCore import pyqtProperty
from PyQt5.QtCore import QStringListModel

35
from beat.core.schema import validate
36
from beat.cmdline import common
37

38
39
from ..utils import dataformat_basetypes

40

41
@unique
42
class AssetType(Enum):
43
44
    """All possible assets available on the BEAT platform"""

45
    (
46
47
48
49
50
51
52
        UNKNOWN,
        ALGORITHM,
        DATABASE,
        DATAFORMAT,
        EXPERIMENT,
        LIBRARY,
        PLOTTER,
53
        PLOTTERPARAMETER,
54
        PROTOCOLTEMPLATE,
55
        TOOLCHAIN,
56
    ) = range(10)
57
58
59

    @classmethod
    def path(cls, type_):
60
        path = "unknown"
61
        if type_ == cls.ALGORITHM:
62
            path = "algorithms"
63
        elif type_ == cls.DATABASE:
64
            path = "databases"
65
        elif type_ == cls.DATAFORMAT:
66
            path = "dataformats"
67
        elif type_ == cls.EXPERIMENT:
68
            path = "experiments"
69
        elif type_ == cls.LIBRARY:
70
            path = "libraries"
71
        elif type_ == cls.PLOTTER:
72
            path = "plotters"
73
        elif type_ == cls.PLOTTERPARAMETER:
74
            path = "plotterparameters"
75
76
        elif type_ == cls.PROTOCOLTEMPLATE:
            path = "protocoltemplates"
77
        elif type_ == cls.TOOLCHAIN:
78
79
80
81
            path = "toolchains"

        return path

82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
    @classmethod
    def from_path(cls, path):
        if path == "algorithms":
            return cls.ALGORITHM
        elif path == "databases":
            return cls.DATABASE
        elif path == "dataformats":
            return cls.DATAFORMAT
        elif path == "experiments":
            return cls.EXPERIMENT
        elif path == "libraries":
            return cls.LIBRARY
        elif path == "plotters":
            return cls.PLOTTER
        elif path == "plotterparameters":
97
            return cls.PLOTTERPARAMETER
98
99
        elif path == "protocoltemplates":
            return cls.PROTOCOLTEMPLATE
100
101
102
103
104
        elif path == "toolchains":
            return cls.TOOLCHAIN
        else:
            raise RuntimeError("Unknown asset path {}".format(path))

105
106
107
108
109
    def can_create(self):
        """Returns whether a new asset can be created from scratch"""

        return self not in [self.UNKNOWN, self.EXPERIMENT]

110
111
112
113
114
    def validate(self, data):
        if self == self.UNKNOWN:
            raise RuntimeError("Trying to validate unknown type")
        return validate(self.name.lower(), data)

115
116
117
118
119
120
121
122
123
124
125
126
    def create_new(self, prefix, name):
        """Create a new asset from a prototype

        :param prefix str: Path to the prefix
        :param name str: name of the asset
        """

        if self == self.UNKNOWN:
            raise RuntimeError("Trying to create an asset of unknown type")
        success = common.create(prefix, self.name.lower(), [name])
        return success == 0

127

128
class AssetModel(QStringListModel):
129
130
131
132
133
134
135
136
137
138
    """The asset model present a list of available asset from a given type"""

    assetTypeChanged = pyqtSignal(AssetType)
    prefixPathChanged = pyqtSignal(str)

    def __init__(self, parent=None):
        """Constructor"""

        super(QStringListModel, self).__init__(parent)

139
        self.__prefix_path = None
140
        self.__asset_type = AssetType.UNKNOWN
141
142
143
144
145

    @pyqtSlot()
    def reload(self):
        """Loads the content regarding the asset property from the prefix"""

146
        if not self.__prefix_path or self.__asset_type == AssetType.UNKNOWN:
147
148
            return

149
150
151
152
153
154
155
156
157
158
159
160
        def _find_json_files(path):
            """Return all json files from folder sorted"""

            asset_items = os.scandir(path)
            json_files = sorted(
                [
                    item.name
                    for item in asset_items
                    if item.is_file() and item.name.endswith("json")
                ]
            )
            return json_files
161
162

        latest_assets_list = []
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198

        if self.asset_type in [AssetType.DATABASE, AssetType.PROTOCOLTEMPLATE]:
            # These assets have no user associated with them
            for asset_folder in os.scandir(self.asset_folder):
                json_files = _find_json_files(asset_folder)
                if json_files:
                    latest_assets_list.append(
                        "{name}/{version}".format(
                            name=asset_folder.name, version=json_files[-1].split(".")[0]
                        )
                    )
        else:
            # Assets belonging to a user
            asset_users = os.scandir(self.asset_folder)

            for asset_user in asset_users:
                for asset_folder in os.scandir(asset_user):
                    if self.asset_type == AssetType.EXPERIMENT:
                        for root, dirs, files in os.walk(asset_folder, topdown=False):
                            if dirs:
                                continue
                            anchor = "experiments/"
                            position = root.index(anchor) + len(anchor)
                            experiment_path = root[position:]
                            for json_file in [
                                file for file in files if file.endswith("json")
                            ]:
                                latest_assets_list.append(
                                    "{experiment_path}/{name}".format(
                                        experiment_path=experiment_path,
                                        name=json_file.split(".")[0],
                                    )
                                )
                    else:
                        json_files = _find_json_files(asset_folder)
                        if json_files:
199
                            latest_assets_list.append(
200
201
202
203
                                "{user}/{name}/{version}".format(
                                    user=asset_user.name,
                                    name=asset_folder.name,
                                    version=json_files[-1].split(".")[0],
204
205
206
                                )
                            )

207
208
        latest_assets_list = sorted(latest_assets_list)
        if self.asset_type == AssetType.DATAFORMAT:
209
            latest_assets_list = dataformat_basetypes() + latest_assets_list
210
211

        self.setStringList(latest_assets_list)
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261

    def assetType(self):
        """Returns the asset type of this model

        :return: Asset type of this model
        """

        return self.__asset_type

    def setAssetType(self, type_):
        """Set the asset type of this model

        :param AssetType type_: Asset type this model should show
        """

        if self.__asset_type == type_:
            return

        self.__asset_type = type_
        self.reload()
        self.assetTypeChanged.emit(type_)

    asset_type = pyqtProperty(
        AssetType, fget=assetType, fset=setAssetType, notify=assetTypeChanged
    )

    def prefixPath(self):
        """Returns the prefix path use by this model

        :return: the prefix path used
        """

        return self.__prefix_path

    def setPrefixPath(self, path):
        """Set the prefix path use by this model

        :param str path: Path to prefix
        """

        if self.__prefix_path == path:
            return

        self.__prefix_path = path
        self.reload()
        self.prefixPathChanged.emit(path)

    prefix_path = pyqtProperty(
        str, fget=prefixPath, fset=setPrefixPath, notify=prefixPathChanged
    )
262
263
264
265
266
267

    @property
    def asset_folder(self):
        """Returns the folder matching this model asset type"""

        return os.path.join(self.prefix_path, AssetType.path(self.asset_type))
268
269
270
271
272
273
274
275
276
277
278

    def json_path(self, asset_name):
        """Returns the full path to the json file matching the asset given

        :param asset_name str: fully qualified asset name
        """

        asset_path = os.path.join(self.asset_folder, "{}.json".format(asset_name))
        if not os.path.exists(asset_path):
            raise RuntimeError("Invalid asset {}".format(asset_name))
        return asset_path