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# -*- coding: utf-8 -*-
"""
***************************************************************************
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 time
import sys
import uuid
import math
from qgis.PyQt.QtCore import QDir
from qgis.core import (QgsApplication,
QgsProcessingUtils)
numExported = 1
def userFolder():
userDir = os.path.join(QgsApplication.qgisSettingsDirPath(), 'processing')
if not QDir(userDir).exists():
QDir().mkpath(userDir)
return str(QDir.toNativeSeparators(userDir))
def defaultOutputFolder():
folder = os.path.join(userFolder(), 'outputs')
if not QDir(folder).exists():
QDir().mkpath(folder)
return str(QDir.toNativeSeparators(folder))
def isWindows():
return os.name == 'nt'
def isMac():
return sys.platform == 'darwin'
def getTempFilename(ext=None):
tmpPath = QgsProcessingUtils.tempFolder()
t = time.time()
m = math.floor(t)
uid = '{:8x}{:05x}'.format(m, int((t - m) * 1000000))
if ext is None:
filename = os.path.join(tmpPath, '{}{}'.format(uid, getNumExportedLayers()))
else:
filename = os.path.join(tmpPath, '{}{}.{}'.format(uid, getNumExportedLayers(), ext))
return filename
def getTempDirInTempFolder():
"""Returns a temporary directory, putting it into a temp folder.
"""
path = QgsProcessingUtils.tempFolder()
path = os.path.join(path, uuid.uuid4().hex)
mkdir(path)
return path
def removeInvalidChars(string):
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:.'
string = ''.join(c for c in string if c in validChars)
return string
def getNumExportedLayers():
global numExported
numExported += 1
return numExported
def mkdir(newdir):
os.makedirs(newdir.strip('\n\r '), exist_ok=True)
def tempHelpFolder():
tmp = os.path.join(str(QDir.tempPath()), 'processing_help')
if not QDir(tmp).exists():
QDir().mkpath(tmp)
return str(os.path.abspath(tmp))
def escapeAndJoin(strList):
"""
.. deprecated:: 3.0
Do not use, will be removed in QGIS 4.0
"""
from warnings import warn
warn("processing.escapeAndJoin is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
joined = ''
for s in strList:
if s[0] != '-' and ' ' in s:
escaped = '"' + s.replace('\\', '\\\\').replace('"', '\\"') \
+ '"'
else:
escaped = s
joined += escaped + ' '
return joined.strip()
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