GenSim / app.py
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import openai
import numpy as np
from tempfile import NamedTemporaryFile
import copy
import shapely
from shapely.geometry import *
from shapely.affinity import *
from omegaconf import OmegaConf
from moviepy.editor import ImageSequenceClip
import gradio as gr
from lmp import LMP, LMPFGen
from sim import PickPlaceEnv, LMP_wrapper
from consts import ALL_BLOCKS, ALL_BOWLS
from md_logger import MarkdownLogger
class DemoRunner:
def __init__(self):
self._cfg = OmegaConf.to_container(OmegaConf.load('cfg.yaml'), resolve=True)
self._env = None
self._md_logger = MarkdownLogger()
def make_LMP(self, env):
# LMP env wrapper
cfg = copy.deepcopy(self._cfg)
cfg['env'] = {
'init_objs': list(env.obj_name_to_id.keys()),
'coords': cfg['tabletop_coords']
}
LMP_env = LMP_wrapper(env, cfg)
# creating APIs that the LMPs can interact with
fixed_vars = {
'np': np
}
fixed_vars.update({
name: eval(name)
for name in shapely.geometry.__all__ + shapely.affinity.__all__
})
variable_vars = {
k: getattr(LMP_env, k)
for k in [
'get_bbox', 'get_obj_pos', 'get_color', 'is_obj_visible', 'denormalize_xy',
'put_first_on_second', 'get_obj_names',
'get_corner_name', 'get_side_name',
]
}
variable_vars['say'] = lambda msg: self._md_logger.log_text(f'Robot says: "{msg}"')
# creating the function-generating LMP
lmp_fgen = LMPFGen(cfg['lmps']['fgen'], fixed_vars, variable_vars, self._md_logger)
# creating other low-level LMPs
variable_vars.update({
k: LMP(k, cfg['lmps'][k], lmp_fgen, fixed_vars, variable_vars, self._md_logger)
for k in ['parse_obj_name', 'parse_position', 'parse_question', 'transform_shape_pts']
})
# creating the LMP that deals w/ high-level language commands
lmp_tabletop_ui = LMP(
'tabletop_ui', cfg['lmps']['tabletop_ui'], lmp_fgen, fixed_vars, variable_vars, self._md_logger
)
return lmp_tabletop_ui
def setup(self, api_key, n_blocks, n_bowls):
openai.api_key = api_key
self._env = PickPlaceEnv(render=True, high_res=True, high_frame_rate=False)
list_idxs = np.random.choice(len(ALL_BLOCKS), size=max(n_blocks, n_bowls), replace=False)
block_list = [ALL_BLOCKS[i] for i in list_idxs[:n_blocks]]
bowl_list = [ALL_BOWLS[i] for i in list_idxs[:n_bowls]]
obj_list = block_list + bowl_list
self._env.reset(obj_list)
self._lmp_tabletop_ui = self.make_LMP(self._env)
info = '### Available Objects: \n- ' + '\n- '.join(obj_list)
img = self._env.get_camera_image()
return info, img
def run(self, instruction):
if self._env is None:
return 'Please run setup first!', None, None
self._env.cache_video = []
self._md_logger.clear()
try:
self._lmp_tabletop_ui(instruction, f'objects = {self._env.object_list}')
except Exception as e:
return f'Error: {e}', None, None
video_file_name = None
if self._env.cache_video:
rendered_clip = ImageSequenceClip(self._env.cache_video, fps=25)
video_file_name = NamedTemporaryFile(suffix='.mp4').name
rendered_clip.write_videofile(video_file_name, fps=25)
return self._md_logger.get_log(), self._env.get_camera_image(), video_file_name
def setup(api_key, n_blocks, n_bowls):
if not api_key:
return 'Please enter your OpenAI API key!', None, None
if n_blocks + n_bowls == 0:
return 'Please select at least one object!', None, None
demo_runner = DemoRunner()
info, img = demo_runner.setup(api_key, n_blocks, n_bowls)
return info, img, demo_runner
def run(instruction, demo_runner):
if demo_runner is None:
return 'Please run setup first!', None, None
return demo_runner.run(instruction)
if __name__ == '__main__':
with open('README.md', 'r') as f:
for _ in range(12):
next(f)
readme_text = f.read()
with gr.Blocks() as demo:
state = gr.State(None)
gr.Markdown(readme_text)
gr.Markdown('# Interactive Demo')
with gr.Row():
with gr.Column():
with gr.Row():
inp_api_key = gr.Textbox(label='OpenAI API Key (this is not stored anywhere)', lines=1)
with gr.Row():
inp_n_blocks = gr.Slider(label='Number of Blocks', minimum=0, maximum=4, value=3, step=1)
inp_n_bowls = gr.Slider(label='Number of Bowls', minimum=0, maximum=4, value=3, step=1)
btn_setup = gr.Button("Setup/Reset Simulation")
info_setup = gr.Markdown(label='Setup Info')
with gr.Column():
img_setup = gr.Image(label='Current Simulation')
with gr.Row():
with gr.Column():
inp_instruction = gr.Textbox(label='Instruction', lines=1)
btn_run = gr.Button("Run (this may take 30+ seconds)")
info_run = gr.Markdown(label='Generated Code')
with gr.Column():
video_run = gr.Video(label='Video of Last Instruction')
btn_setup.click(
setup,
inputs=[inp_api_key, inp_n_blocks, inp_n_bowls],
outputs=[info_setup, img_setup, state]
)
btn_run.click(
run,
inputs=[inp_instruction, state],
outputs=[info_run, img_setup, video_run]
)
demo.launch()