mirror of
https://github.com/qgis/QGIS.git
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141 lines
3.8 KiB
Python
141 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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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 QFileInfo, QDir
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from qgis.core import QgsApplication
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numExported = 1
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def userFolder():
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userDir = QFileInfo(QgsApplication.qgisUserDbFilePath()).path() \
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+ '/processing'
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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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def defaultOutputFolder():
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folder = os.path.join(os.path.dirname(QgsApplication.qgisUserDbFilePath()),
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"processing", "outputs")
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if not QDir(folder).exists():
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QDir().mkpath(folder)
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return unicode(QDir.toNativeSeparators(folder))
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def isWindows():
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return os.name == 'nt'
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def isMac():
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return sys.platform == 'darwin'
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_tempFolderSuffix = unicode(uuid.uuid4()).replace('-', '')
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def tempFolder():
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tempDir = os.path.join(unicode(QDir.tempPath()), 'processing' + _tempFolderSuffix)
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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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def setTempOutput(out, alg):
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if hasattr(out, 'directory'):
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out.value = getTempDirInTempFolder()
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else:
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ext = out.getDefaultFileExtension(alg)
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out.value = getTempFilenameInTempFolder(out.name + '.' + ext)
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def getTempFilename(ext=None):
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path = tempFolder()
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if ext is None:
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filename = path + os.sep + unicode(time.time()) \
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+ unicode(getNumExportedLayers())
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else:
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filename = path + os.sep + unicode(time.time()) \
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+ unicode(getNumExportedLayers()) + '.' + ext
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return filename
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def getTempFilenameInTempFolder(basename):
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"""Returns a temporary filename for a given file, putting it into
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a temp folder but not changing its basename.
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"""
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path = tempFolder()
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path = os.path.join(path, unicode(uuid.uuid4()).replace('-', ''))
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mkdir(path)
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basename = removeInvalidChars(basename)
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filename = os.path.join(path, basename)
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return filename
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def getTempDirInTempFolder():
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"""Returns a temporary directory, putting it into a temp folder.
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"""
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path = tempFolder()
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path = os.path.join(path, unicode(uuid.uuid4()).replace('-', ''))
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mkdir(path)
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return path
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def removeInvalidChars(string):
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validChars = \
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'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:.'
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string = ''.join(c for c in string if c in validChars)
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return string
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def getNumExportedLayers():
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global numExported
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numExported += 1
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return numExported
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def mkdir(newdir):
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newdir = newdir.strip('\n\r ')
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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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