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
|
#!/usr/bin/env python3
#******************************************************************************
# treeline.py, the main program file
#
# TreeLine, an information storage program
# Copyright (C) 2022, Douglas W. Bell
#
# This is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License, either Version 2 or any later
# version. This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY. See the included LICENSE file for details.
#******************************************************************************
__progname__ = 'TreeLine'
__version__ = '3.1.5'
__author__ = 'Doug Bell'
docPath = None # modified by install script if required
iconPath = None # modified by install script if required
templatePath = None # modified by install script if required
samplePath = None # modified by install script if required
translationPath = 'translations'
import sys
import pathlib
import os.path
import argparse
import locale
import builtins
from PyQt5.QtCore import QCoreApplication, QTranslator
from PyQt5.QtWidgets import QApplication, qApp
def loadTranslator(fileName, app):
"""Load and install qt translator, return True if sucessful.
Arguments:
fileName -- the translator file to load
app -- the main QApplication
"""
translator = QTranslator(app)
# use abspath() - pathlib's resolve() can be buggy with network drives
modPath = pathlib.Path(os.path.abspath(sys.path[0]))
if modPath.is_file():
modPath = modPath.parent # for frozen binary
path = modPath / translationPath
result = translator.load(fileName, str(path))
if not result:
path = modPath.parent / translationPath
result = translator.load(fileName, str(path))
if not result:
path = modPath.parent / 'i18n' / translationPath
result = translator.load(fileName, str(path))
if result:
QCoreApplication.installTranslator(translator)
return True
else:
print('Warning: translation file "{0}" could not be loaded'.
format(fileName))
return False
def setupTranslator(app, lang=''):
"""Set language, load translators and setup translator functions.
Return the language setting
Arguments:
app -- the main QApplication
lang -- language setting from the command line
"""
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
pass
if not lang:
lang = os.environ.get('LC_MESSAGES', '')
if not lang:
lang = os.environ.get('LANG', '')
if not lang:
try:
lang = locale.getdefaultlocale()[0]
except ValueError:
pass
if not lang:
lang = ''
numTranslators = 0
if lang and lang[:2] not in ['C', 'en']:
numTranslators += loadTranslator('qt_{0}'.format(lang), app)
numTranslators += loadTranslator('treeline_{0}'.format(lang),
app)
def translate(text, comment=''):
"""Translation function, sets context to calling module's filename.
Arguments:
text -- the text to be translated
comment -- a comment used only as a guide for translators
"""
try:
frame = sys._getframe(1)
fileName = frame.f_code.co_filename
finally:
del frame
context = pathlib.Path(fileName).stem
return QCoreApplication.translate(context, text, comment)
def markNoTranslate(text, comment=''):
"""Dummy translation function, only used to mark text.
Arguments:
text -- the text to be translated
comment -- a comment used only as a guide for translators
"""
return text
if numTranslators:
builtins._ = translate
else:
builtins._ = markNoTranslate
builtins.N_ = markNoTranslate
return lang
exceptDialog = None
def handleException(excType, value, tb):
"""Handle uncaught exceptions, show debug info to the user.
Called from sys.excepthook.
Arguments:
excType -- execption class
value -- execption error text
tb -- the traceback object
"""
import miscdialogs
global exceptDialog
exceptDialog = miscdialogs.ExceptionDialog(excType, value, tb)
exceptDialog.show()
if not QApplication.activeWindow():
qApp.exec_() # start event loop in case it's not running yet
if __name__ == '__main__':
"""Main event loop for TreeLine
"""
app = QApplication(sys.argv)
parser = argparse.ArgumentParser()
parser.add_argument('--lang', help='language code for GUI translation')
parser.add_argument('fileList', nargs='*', metavar='filename',
help='input filename(s) to load')
args = parser.parse_args()
# use abspath() - pathlib's resolve() can be buggy with network drives
pathObjects = [pathlib.Path(os.path.abspath(path)) for path in
args.fileList]
# must setup translator before any treeline module imports
lang = setupTranslator(app, args.lang)
import globalref
globalref.localTextEncoding = locale.getpreferredencoding()
globalref.lang = lang
sys.excepthook = handleException
import treemaincontrol
treeMainControl = treemaincontrol.TreeMainControl(pathObjects)
app.exec_()
|
