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102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SextanteUtils.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import time
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import sys
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import uuid
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from PyQt4.QtCore import *
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from qgis.core import *
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class SextanteUtils:
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NUM_EXPORTED = 1
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@staticmethod
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def userFolder():
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userDir = QFileInfo(QgsApplication.qgisUserDbFilePath()).path() + "/sextante"
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if not QDir(userDir).exists():
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QDir().mkpath(userDir)
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return unicode(QDir.toNativeSeparators(userDir))
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@staticmethod
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def isWindows():
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return os.name =="nt"
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@staticmethod
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def isMac():
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return sys.platform == "darwin"
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@staticmethod
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def tempFolder():
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tempDir = os.path.join(unicode(QDir.tempPath()), "sextante")
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if not QDir(tempDir).exists():
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QDir().mkpath(tempDir)
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return unicode(os.path.abspath(tempDir))
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@staticmethod
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def setTempOutput(out, alg):
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ext = out.getDefaultFileExtension(alg)
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validChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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safeCmdName = ''.join(c for c in alg.commandLineName() if c in validChars)
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uniqueSufix = str(uuid.uuid4()).replace("-","")
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filename = SextanteUtils.tempFolder() + os.sep + safeCmdName + uniqueSufix + "." + ext
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out.value = filename
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@staticmethod
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def getTempFilename(ext):
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path = SextanteUtils.tempFolder()
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if ext is None:
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filename = path + os.sep + str(time.time()) + str(SextanteUtils.getNumExportedLayers())
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else:
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filename = path + os.sep + str(time.time()) + str(SextanteUtils.getNumExportedLayers()) + "." + ext
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return filename
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@staticmethod
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def getTempFilenameInTempFolder(basename):
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'''returns a temporary filename for a given file, putting it into a temp folder but not changing its basename'''
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path = SextanteUtils.tempFolder()
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tempFolder = os.path.join(path, str(uuid.uuid4()).replace("-",""))
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mkdir(tempFolder)
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filename = os.path.join(tempFolder, basename)
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return filename
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@staticmethod
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def getNumExportedLayers():
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SextanteUtils.NUM_EXPORTED += 1
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return SextanteUtils.NUM_EXPORTED
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def mkdir(newdir):
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if os.path.isdir(newdir):
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pass
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else:
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head, tail = os.path.split(newdir)
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if head and not os.path.isdir(head):
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mkdir(head)
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if tail:
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os.mkdir(newdir)
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