mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-25 00:05:24 -04:00
130 lines
3.4 KiB
Python
130 lines
3.4 KiB
Python
# -*- 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'
|
|
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os
|
|
import time
|
|
import sys
|
|
import uuid
|
|
|
|
from PyQt4.QtCore import *
|
|
|
|
from qgis.core import *
|
|
|
|
numExported = 1
|
|
|
|
|
|
def userFolder():
|
|
userDir = QFileInfo(QgsApplication.qgisUserDbFilePath()).path() \
|
|
+ '/processing'
|
|
if not QDir(userDir).exists():
|
|
QDir().mkpath(userDir)
|
|
|
|
return unicode(QDir.toNativeSeparators(userDir))
|
|
|
|
|
|
def isWindows():
|
|
return os.name == 'nt'
|
|
|
|
|
|
def isMac():
|
|
return sys.platform == 'darwin'
|
|
|
|
|
|
def tempFolder():
|
|
tempDir = os.path.join(unicode(QDir.tempPath()), 'processing')
|
|
if not QDir(tempDir).exists():
|
|
QDir().mkpath(tempDir)
|
|
|
|
return unicode(os.path.abspath(tempDir))
|
|
|
|
|
|
def setTempOutput(out, alg):
|
|
if hasattr(out, 'directory'):
|
|
out.value = getTempDirInTempFolder()
|
|
else:
|
|
ext = out.getDefaultFileExtension(alg)
|
|
out.value = getTempFilenameInTempFolder(out.name + '.' + ext)
|
|
|
|
|
|
def getTempFilename(ext = None):
|
|
path = tempFolder()
|
|
if ext is None:
|
|
filename = path + os.sep + str(time.time()) \
|
|
+ str(getNumExportedLayers())
|
|
else:
|
|
filename = path + os.sep + str(time.time()) \
|
|
+ str(getNumExportedLayers()) + '.' + ext
|
|
return filename
|
|
|
|
|
|
def getTempFilenameInTempFolder(basename):
|
|
"""Returns a temporary filename for a given file, putting it into
|
|
a temp folder but not changing its basename.
|
|
"""
|
|
|
|
path = tempFolder()
|
|
path = os.path.join(path, str(uuid.uuid4()).replace('-', ''))
|
|
mkdir(path)
|
|
basename = removeInvalidChars(basename)
|
|
filename = os.path.join(path, basename)
|
|
return filename
|
|
|
|
|
|
def getTempDirInTempFolder():
|
|
"""Returns a temporary directory, putting it into a temp folder.
|
|
"""
|
|
|
|
path = tempFolder()
|
|
path = os.path.join(path, str(uuid.uuid4()).replace('-', ''))
|
|
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):
|
|
newdir = newdir.strip('\n\r ')
|
|
if os.path.isdir(newdir):
|
|
pass
|
|
else:
|
|
(head, tail) = os.path.split(newdir)
|
|
if head and not os.path.isdir(head):
|
|
mkdir(head)
|
|
if tail:
|
|
os.mkdir(newdir)
|