File size: 5,796 Bytes
1169888 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | #!/usr/bin/env python3
"""Live teaching server — the main agent personally drives the env step-by-step.
IPC (file-based, /content/teach/):
cmd.txt : 'START <game_id>' | 'RESET' | 'PING' | '<ACTIONn> [x y]'
obs.json : latest observation snapshot (grid hex rows + change list)
err.json : last error (if any)
Trace: collect_selfplay-compatible JSONL (grids_before/after, levels, hash,
state_text) so data/build_dataset.py consumes teaching data unchanged.
NOTE: grids[0] is the CURRENT frame (n_frames history after it) — matches
build_candidates/collect_selfplay usage.
"""
import json
import os
import sys
import time
import traceback
sys.path.insert(0, '/content/qwenjev')
sys.path.insert(0, '/content/qwenjev/train')
os.chdir('/content/qwenjev')
from data.collect_selfplay import make_env, meta_from, grids_from
from data.mock_env import step_env
from qwenjev.state_codec import canonical_state, grid_to_text, frame_hash
TEACH = '/content/teach'
CMD = TEACH + '/cmd.txt'
OBS = TEACH + '/obs.json'
ERR = TEACH + '/err.json'
os.makedirs(TEACH, exist_ok=True)
for f in (CMD, OBS, ERR):
if os.path.exists(f):
os.remove(f)
def render(grids):
g = grids[0]
return [''.join('%x' % (int(v) & 15) for v in row) for row in g]
def changes(pre_cur, cur, limit=48):
out = []
if pre_cur is None:
return out
R = max(len(pre_cur), len(cur))
for r in range(min(R, 64)):
pr = pre_cur[r] if r < len(pre_cur) else []
cr = cur[r] if r < len(cur) else []
C = max(len(pr), len(cr))
for c in range(min(C, 64)):
a = pr[c] if c < len(pr) else None
b = cr[c] if c < len(cr) else None
if a != b:
sa = ('%x' % (int(a) & 15)) if a is not None else '.'
sb = ('%x' % (int(b) & 15)) if b is not None else '.'
out.append('%d,%d:%s>%s' % (r, c, sa, sb))
if len(out) >= limit:
return out
return out
def write_obs(env, gid, step_no, prev_grids, terminal=None, extra=None):
grids = grids_from(env)
meta = meta_from(env)
s = {
'ok': True, 'game': gid, 'step': step_no, 'state': meta['state'],
'levels': meta['levels_completed'], 'win_levels': meta['win_levels'],
'available': meta['available_actions'],
'grid': render(grids),
'shape': [len(grids[0]), len(grids[0][0])],
'n_frames': len(grids),
'changes': changes(prev_grids[0] if prev_grids else None, grids[0]),
}
if terminal:
s['terminal'] = terminal
if extra:
s.update(extra)
tmp = OBS + '.tmp'
open(tmp, 'w').write(json.dumps(s, separators=(',', ':')))
os.replace(tmp, OBS)
env = None
game_id = None
step_no = 0
trace_path = None
prev_grids = None
while True:
try:
if os.path.exists(ERR):
os.remove(ERR)
if os.path.exists(CMD):
line = open(CMD).read().strip()
os.remove(CMD)
if line:
parts = line.split()
if parts[0] == 'PING':
if env is not None:
write_obs(env, game_id, step_no, prev_grids)
else:
open(OBS, 'w').write(json.dumps({'ok': True, 'idle': True}))
elif parts[0] == 'START':
game_id = parts[1]
trace_path = TEACH + '/trace_teach_%s.jsonl' % game_id
env = make_env(game_id, None)
env.reset()
step_no = 0
prev_grids = None
write_obs(env, game_id, step_no, prev_grids,
extra={'trace': trace_path, 'episode_started': True})
elif parts[0] == 'RESET':
env.reset()
prev_grids = None
write_obs(env, game_id, step_no, prev_grids, extra={'reset': True})
else:
action = parts[0]
x = int(parts[1]) if len(parts) > 1 and parts[1] != '-' else None
y = int(parts[2]) if len(parts) > 2 and parts[2] != '-' else None
grids = grids_from(env)
meta = meta_from(env)
step_env(env, action, x, y)
step_no += 1
grids_after = grids_from(env)
meta_after = meta_from(env)
record = {
'game_id': game_id, 'step': step_no - 1,
'action': action, 'x': x, 'y': y,
'grids_before': grids, 'grids_after': grids_after,
'levels_completed_before': meta['levels_completed'],
'levels_completed_after': meta_after['levels_completed'],
'available_actions': list(meta['available_actions']),
'frame_hash': frame_hash(grids[0]),
'state_text': canonical_state(grid_to_text(grids[0])),
'ts': time.time(),
}
open(trace_path, 'a').write(json.dumps(record) + '\n')
term = meta_after['state'] if meta_after['state'] in ('WIN', 'GAME_OVER') else None
write_obs(env, game_id, step_no, grids, terminal=term)
if term == 'GAME_OVER':
env.reset()
prev_grids = None
else:
prev_grids = grids_after
time.sleep(0.2)
except Exception as e:
open(ERR, 'w').write(json.dumps(
{'error': '%s: %s' % (type(e).__name__, e),
'tb': traceback.format_exc()[-1500:]}))
time.sleep(0.5)
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