GdalTools_utils.py 文件源码

def setProcessEnvironment(process):
    envvar_list = {
        "PATH" : getGdalBinPath(),
        "PYTHONPATH" : getGdalPymodPath(),
        "GDAL_FILENAME_IS_UTF8" : "NO"
    }

    sep = os.pathsep

    for name, val in envvar_list.iteritems():
      if val == None or val == "":
        continue

      envval = os.getenv(name)
      if envval == None or envval == "":
        envval = str(val)
      elif (platform.system() == "Windows" and val.lower() not in envval.lower().split( sep )) or \
          (platform.system() != "Windows" and val not in envval.split( sep )):
        envval += "%s%s" % (sep, str(val))
      else:
        envval = None

      if envval != None:
        os.putenv( name, envval )