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"""
***************************************************************************
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"
from typing import Optional
import os
import time
import sys
import uuid
import math
from qgis.PyQt.QtCore import QDir
from qgis.core import QgsApplication, QgsProcessingUtils, QgsProcessingContext
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, context: Optional[QgsProcessingContext] = None):
tmpPath = QgsProcessingUtils.tempFolder(context)
t = time.time()
m = math.floor(t)
uid = f"{m:8x}{int((t - m) * 1000000):05x}"
if ext is None:
filename = os.path.join(tmpPath, f"{uid}{getNumExportedLayers()}")
else:
filename = os.path.join(tmpPath, f"{uid}{getNumExportedLayers()}.{ext}")
return filename
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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