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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
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
199
200
201
202
203
204
205
206
207
208
209
210
211
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
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
|
# -*- coding: utf-8 -*-
"""
***************************************************************************
ProcessingConfig.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
import os
import tempfile
from qgis.PyQt.QtCore import QCoreApplication, QObject, pyqtSignal
from qgis.core import (NULL,
QgsApplication,
QgsSettings,
QgsVectorFileWriter,
QgsRasterFileWriter,
QgsProcessingUtils)
from processing.tools.system import defaultOutputFolder
import processing.tools.dataobjects
from multiprocessing import cpu_count
class SettingsWatcher(QObject):
settingsChanged = pyqtSignal()
settingsWatcher = SettingsWatcher()
class ProcessingConfig:
OUTPUT_FOLDER = 'OUTPUTS_FOLDER'
RASTER_STYLE = 'RASTER_STYLE'
VECTOR_POINT_STYLE = 'VECTOR_POINT_STYLE'
VECTOR_LINE_STYLE = 'VECTOR_LINE_STYLE'
VECTOR_POLYGON_STYLE = 'VECTOR_POLYGON_STYLE'
FILTER_INVALID_GEOMETRIES = 'FILTER_INVALID_GEOMETRIES'
PREFER_FILENAME_AS_LAYER_NAME = 'PREFER_FILENAME_AS_LAYER_NAME'
KEEP_DIALOG_OPEN = 'KEEP_DIALOG_OPEN'
PRE_EXECUTION_SCRIPT = 'PRE_EXECUTION_SCRIPT'
POST_EXECUTION_SCRIPT = 'POST_EXECUTION_SCRIPT'
SHOW_CRS_DEF = 'SHOW_CRS_DEF'
WARN_UNMATCHING_CRS = 'WARN_UNMATCHING_CRS'
SHOW_PROVIDERS_TOOLTIP = 'SHOW_PROVIDERS_TOOLTIP'
SHOW_ALGORITHMS_KNOWN_ISSUES = 'SHOW_ALGORITHMS_KNOWN_ISSUES'
MAX_THREADS = 'MAX_THREADS'
DEFAULT_OUTPUT_RASTER_LAYER_EXT = 'DefaultOutputRasterLayerExt'
DEFAULT_OUTPUT_VECTOR_LAYER_EXT = 'DefaultOutputVectorLayerExt'
TEMP_PATH = 'TEMP_PATH'
settings = {}
settingIcons = {}
@staticmethod
def initialize():
icon = QgsApplication.getThemeIcon("/processingAlgorithm.svg")
ProcessingConfig.settingIcons['General'] = icon
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.KEEP_DIALOG_OPEN,
ProcessingConfig.tr('Keep dialog open after running an algorithm'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.PREFER_FILENAME_AS_LAYER_NAME,
ProcessingConfig.tr('Prefer output filename for layer names'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_PROVIDERS_TOOLTIP,
ProcessingConfig.tr('Show tooltip when there are disabled providers'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.OUTPUT_FOLDER,
ProcessingConfig.tr('Output folder'), defaultOutputFolder(),
valuetype=Setting.FOLDER))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_CRS_DEF,
ProcessingConfig.tr('Show layer CRS definition in selection boxes'), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.WARN_UNMATCHING_CRS,
ProcessingConfig.tr("Warn before executing if parameter CRS's do not match"), True))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.SHOW_ALGORITHMS_KNOWN_ISSUES,
ProcessingConfig.tr("Show algorithms with known issues"), False))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.RASTER_STYLE,
ProcessingConfig.tr('Style for raster layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_POINT_STYLE,
ProcessingConfig.tr('Style for point layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_LINE_STYLE,
ProcessingConfig.tr('Style for line layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.VECTOR_POLYGON_STYLE,
ProcessingConfig.tr('Style for polygon layers'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.PRE_EXECUTION_SCRIPT,
ProcessingConfig.tr('Pre-execution script'), '',
valuetype=Setting.FILE))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.POST_EXECUTION_SCRIPT,
ProcessingConfig.tr('Post-execution script'), '',
valuetype=Setting.FILE))
invalidFeaturesOptions = [ProcessingConfig.tr('Do not filter (better performance)'),
ProcessingConfig.tr('Skip (ignore) features with invalid geometries'),
ProcessingConfig.tr('Stop algorithm execution when a geometry is invalid')]
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.FILTER_INVALID_GEOMETRIES,
ProcessingConfig.tr('Invalid features filtering'),
invalidFeaturesOptions[2],
valuetype=Setting.SELECTION,
options=invalidFeaturesOptions))
threads = QgsApplication.maxThreads() # if user specified limit for rendering, lets keep that as default here, otherwise max
threads = cpu_count() if threads == -1 else threads # if unset, maxThreads() returns -1
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.MAX_THREADS,
ProcessingConfig.tr('Max Threads'), threads,
valuetype=Setting.INT))
extensions = QgsVectorFileWriter.supportedFormatExtensions()
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.DEFAULT_OUTPUT_VECTOR_LAYER_EXT,
ProcessingConfig.tr('Default output vector layer extension'),
'gpkg',
valuetype=Setting.SELECTION,
options=extensions))
extensions = QgsRasterFileWriter.supportedFormatExtensions()
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.DEFAULT_OUTPUT_RASTER_LAYER_EXT,
ProcessingConfig.tr('Default output raster layer extension'),
'tif',
valuetype=Setting.SELECTION,
options=extensions))
ProcessingConfig.addSetting(Setting(
ProcessingConfig.tr('General'),
ProcessingConfig.TEMP_PATH,
ProcessingConfig.tr('Temporary output folder path'), tempfile.gettempdir(),
valuetype=Setting.FOLDER))
@staticmethod
def setGroupIcon(group, icon):
ProcessingConfig.settingIcons[group] = icon
@staticmethod
def getGroupIcon(group):
if group == ProcessingConfig.tr('General'):
return QgsApplication.getThemeIcon("/processingAlgorithm.svg")
if group in ProcessingConfig.settingIcons:
return ProcessingConfig.settingIcons[group]
else:
return QgsApplication.getThemeIcon("/processingAlgorithm.svg")
@staticmethod
def addSetting(setting):
ProcessingConfig.settings[setting.name] = setting
@staticmethod
def removeSetting(name):
del ProcessingConfig.settings[name]
@staticmethod
def getSettings():
'''Return settings as a dict with group names as keys and lists of settings as values'''
settings = {}
for setting in list(ProcessingConfig.settings.values()):
if setting.group not in settings:
group = []
settings[setting.group] = group
else:
group = settings[setting.group]
group.append(setting)
return settings
@staticmethod
def readSettings():
for setting in list(ProcessingConfig.settings.values()):
setting.read()
@staticmethod
def getSetting(name, readable=False):
if name in list(ProcessingConfig.settings.keys()):
v = ProcessingConfig.settings[name].value
try:
if v == NULL:
v = None
except:
pass
if ProcessingConfig.settings[name].valuetype == Setting.SELECTION:
if readable:
return v
return ProcessingConfig.settings[name].options.index(v)
else:
return v
else:
return None
@staticmethod
def setSettingValue(name, value):
if name in list(ProcessingConfig.settings.keys()):
if ProcessingConfig.settings[name].valuetype == Setting.SELECTION:
ProcessingConfig.settings[name].setValue(ProcessingConfig.settings[name].options[value])
else:
ProcessingConfig.settings[name].setValue(value)
ProcessingConfig.settings[name].save()
@staticmethod
def tr(string, context=''):
if context == '':
context = 'ProcessingConfig'
return QCoreApplication.translate(context, string)
class Setting:
"""A simple config parameter that will appear on the config dialog.
"""
STRING = 0
FILE = 1
FOLDER = 2
SELECTION = 3
FLOAT = 4
INT = 5
MULTIPLE_FOLDERS = 6
def __init__(self, group, name, description, default, hidden=False, valuetype=None,
validator=None, options=None):
self.group = group
self.name = name
self.qname = "Processing/Configuration/" + self.name
self.description = description
self.default = default
self.hidden = hidden
self.valuetype = valuetype
self.options = options
if self.valuetype is None:
if isinstance(default, int):
self.valuetype = self.INT
elif isinstance(default, float):
self.valuetype = self.FLOAT
if validator is None:
if self.valuetype == self.FLOAT:
def checkFloat(v):
try:
float(v)
except ValueError:
raise ValueError(self.tr('Wrong parameter value:\n{0}').format(v))
validator = checkFloat
elif self.valuetype == self.INT:
def checkInt(v):
try:
int(v)
except ValueError:
raise ValueError(self.tr('Wrong parameter value:\n{0}').format(v))
validator = checkInt
elif self.valuetype in [self.FILE, self.FOLDER]:
def checkFileOrFolder(v):
if v and not os.path.exists(v):
raise ValueError(self.tr('Specified path does not exist:\n{0}').format(v))
validator = checkFileOrFolder
elif self.valuetype == self.MULTIPLE_FOLDERS:
def checkMultipleFolders(v):
folders = v.split(';')
for f in folders:
if f and not os.path.exists(f):
raise ValueError(self.tr('Specified path does not exist:\n{0}').format(f))
validator = checkMultipleFolders
else:
def validator(x):
return True
self.validator = validator
self.value = default
def setValue(self, value):
self.validator(value)
self.value = value
def read(self, qsettings=None):
if not qsettings:
qsettings = QgsSettings()
value = qsettings.value(self.qname, None)
if value is not None:
if isinstance(self.value, bool):
value = str(value).lower() == str(True).lower()
if self.valuetype == self.SELECTION:
try:
self.value = self.options[int(value)]
except:
self.value = self.options[0]
else:
self.value = value
def save(self, qsettings=None):
if not qsettings:
qsettings = QgsSettings()
if self.valuetype == self.SELECTION:
qsettings.setValue(self.qname, self.options.index(self.value))
else:
qsettings.setValue(self.qname, self.value)
def __str__(self):
return self.name + '=' + str(self.value)
def tr(self, string, context=''):
if context == '':
context = 'ProcessingConfig'
return QCoreApplication.translate(context, string)
|
