Python gym.error.DependencyNotInstalled() Examples

The following are 5 code examples of gym.error.DependencyNotInstalled(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module gym.error , or try the search function .
Example #1
Source File: video_recorder.py    From DQN-DDPG_Stock_Trading with MIT License 8 votes vote down vote up 
def __init__(self, output_path, frame_shape, frames_per_sec):
        self.proc = None
        self.output_path = output_path
        # Frame shape should be lines-first, so w and h are swapped
        h, w, pixfmt = frame_shape
        if pixfmt != 3 and pixfmt != 4:
            raise error.InvalidFrame("Your frame has shape {}, but we require (w,h,3) or (w,h,4), i.e., RGB values for a w-by-h image, with an optional alpha channel.".format(frame_shape))
        self.wh = (w,h)
        self.includes_alpha = (pixfmt == 4)
        self.frame_shape = frame_shape
        self.frames_per_sec = frames_per_sec

        if distutils.spawn.find_executable('avconv') is not None:
            self.backend = 'avconv'
        elif distutils.spawn.find_executable('ffmpeg') is not None:
            self.backend = 'ffmpeg'
        else:
            raise error.DependencyNotInstalled("""Found neither the ffmpeg nor avconv executables. On OS X, you can install ffmpeg via `brew install ffmpeg`. On most Ubuntu variants, `sudo apt-get install ffmpeg` should do it. On Ubuntu 14.04, however, you'll need to install avconv with `sudo apt-get install libav-tools`.""")

        self.start()
Example #2
Source File: video_recorder.py    From DRL_DeliveryDuel with MIT License 7 votes vote down vote up 
def __init__(self, output_path, frame_shape, frames_per_sec):
        self.proc = None
        self.output_path = output_path
        # Frame shape should be lines-first, so w and h are swapped
        h, w, pixfmt = frame_shape
        if pixfmt != 3 and pixfmt != 4:
            raise error.InvalidFrame("Your frame has shape {}, but we require (w,h,3) or (w,h,4), i.e. RGB values for a w-by-h image, with an optional alpha channl.".format(frame_shape))
        self.wh = (w,h)
        self.includes_alpha = (pixfmt == 4)
        self.frame_shape = frame_shape
        self.frames_per_sec = frames_per_sec

        if distutils.spawn.find_executable('avconv') is not None:
            self.backend = 'avconv'
        elif distutils.spawn.find_executable('ffmpeg') is not None:
            self.backend = 'ffmpeg'
        else:
            raise error.DependencyNotInstalled("""Found neither the ffmpeg nor avconv executables. On OS X, you can install ffmpeg via `brew install ffmpeg`. On most Ubuntu variants, `sudo apt-get install ffmpeg` should do it. On Ubuntu 14.04, however, you'll need to install avconv with `sudo apt-get install libav-tools`.""")

        self.start()
Example #3
Source File: utils.py    From parasol with MIT License 7 votes vote down vote up 
def __init__(self, final_path, frame_shape, frames_per_sec):
        self.proc = None
        self.final_path = final_path
        _, self.output_path = tempfile.mkstemp(suffix='.mp4')
        # Frame shape should be lines-first, so w and h are swapped
        h, w, pixfmt = frame_shape
        if pixfmt != 3 and pixfmt != 4:
            raise error.InvalidFrame("Your frame has shape {}, but we require (w,h,3) or (w,h,4), i.e. RGB values for a w-by-h image, with an optional alpha channl.".format(frame_shape))
        self.wh = (w,h)
        self.includes_alpha = (pixfmt == 4)
        self.frame_shape = frame_shape
        self.frames_per_sec = frames_per_sec

        if distutils.spawn.find_executable('avconv') is not None:
            self.backend = 'avconv'
        elif distutils.spawn.find_executable('ffmpeg') is not None:
            self.backend = 'ffmpeg'
        else:
            raise error.DependencyNotInstalled("""Found neither the ffmpeg nor avconv executables. On OS X, you can install ffmpeg via `brew install ffmpeg`. On most Ubuntu variants, `sudo apt-get install ffmpeg` should do it. On Ubuntu 14.04, however, you'll need to install avconv with `sudo apt-get install libav-tools`.""")

        self.start()
Example #4
Source File: video_recorder.py    From ia-course with MIT License 7 votes vote down vote up 
def __init__(self, output_path, frame_shape, frames_per_sec):
        self.proc = None
        self.output_path = output_path
        # Frame shape should be lines-first, so w and h are swapped
        h, w, pixfmt = frame_shape
        if pixfmt != 3 and pixfmt != 4:
            raise error.InvalidFrame("Your frame has shape {}, but we require (w,h,3) or (w,h,4), i.e. RGB values for a w-by-h image, with an optional alpha channl.".format(frame_shape))
        self.wh = (w,h)
        self.includes_alpha = (pixfmt == 4)
        self.frame_shape = frame_shape
        self.frames_per_sec = frames_per_sec

        if distutils.spawn.find_executable('avconv') is not None:
            self.backend = 'avconv'
        elif distutils.spawn.find_executable('ffmpeg') is not None:
            self.backend = 'ffmpeg'
        else:
            raise error.DependencyNotInstalled("""Found neither the ffmpeg nor avconv executables. On OS X, you can install ffmpeg via `brew install ffmpeg`. On most Ubuntu variants, `sudo apt-get install ffmpeg` should do it. On Ubuntu 14.04, however, you'll need to install avconv with `sudo apt-get install libav-tools`.""")

        self.start()
Example #5
Source File: dummy_mujoco_env.py    From learn2learn with MIT License 5 votes vote down vote up 
def _error(self):
        """docstring for _print_error"""
        msg = 'Importing MujocoEnv failed. Please run: \n' + \
              '\n`pip install mujoco-py` \n\n' + \
              'and visit: ' + \
              'https://github.com/openai/mujoco-py/'
        raise DependencyNotInstalled(msg)