Python HasCommand Examples

Example #1

File: qrcodemanager.py Project: jackiefeng/qqbot

def showImage(filename):
    osName = platform.system()
    if osName == 'Windows':
        subprocess.Popen([filename], shell=True)
    elif osName == 'Linux':
        if HasCommand('gvfs-open'):
            subprocess.Popen(['gvfs-open', filename])
        elif HasCommand('shotwell'):
            subprocess.Popen(['shotwell', filename])
        else:
            raise
    elif osName == 'Darwin':  # by @Naville
        subprocess.Popen(['open', filename])
    else:
        raise Exception('other system')

Example #2

def showImage(filename):
    osName = platform.system()
    if osName == 'Windows':
        if not PY3:
            filename = filename.decode('utf8').encode('cp936')
        subprocess.Popen([filename], shell=True)
    elif osName == 'Linux':
        if HasCommand('gvfs-open'):
            subprocess.Popen(['gvfs-open', filename])
        elif HasCommand('shotwell'):
            subprocess.Popen(['shotwell', filename])
        else:
            raise
    elif osName == 'Darwin': # by @Naville
        subprocess.Popen(['open', filename])
    else:
        raise