Repository navigation
Expand file tree
/
Copy pathserve.py
More file actions
183 lines (143 loc) · 5.36 KB
/
Copy pathserve.py
File metadata and controls
183 lines (143 loc) · 5.36 KB
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
sys.path.insert(0, ".") # to run from minigo/ dir
from absl import flags
from flask import Flask
import absl.app
from flask_socketio import SocketIO
import functools
import json
import logging
import select
import subprocess
import threading
flags.DEFINE_string("model", None, "Model path.")
flags.DEFINE_integer(
"board_size", 19,
"Board size to use when running Python Minigo engine: either 9 or 19.")
flags.DEFINE_integer("port", 5001, "Port to listen on.")
flags.DEFINE_string("host", "127.0.0.1", "The hostname or IP to listen on.")
flags.DEFINE_string(
"engine", "py",
"Which Minigo engine to use: \"py\" for the Python engine, or "
"one of the C++ engines (run \"cc/main --helpon=factory\" for the "
"C++ engine list.")
8000
flags.DEFINE_integer(
"virtual_losses", 8, "Number of virtual losses when running tree search.")
flags.DEFINE_string(
"python_for_engine", "python",
"Which python interpreter to use for the engine. "
"Defaults to `python` and only applies for the when --engine=py")
flags.DEFINE_boolean(
"inject_noise", False,
"If true, inject noise into the root position at the start of each "
"tree search.")
flags.DEFINE_integer(
"num_readouts", 400,
"Number of searches to add to the MCTS search tree before playing a move.")
flags.DEFINE_float("resign_threshold", -0.8, "Resign threshold.")
FLAGS = flags.FLAGS
# Suppress Flask's info logging.
log = logging.getLogger("werkzeug")
log.setLevel(logging.WARNING)
app = Flask(__name__, static_url_path="", static_folder="static")
app.config["SECRET_KEY"] = "woo"
socketio = SocketIO(app, logger=log, engineio_logger=log)
def _open_pipes():
if FLAGS.engine == "py":
GTP_COMMAND = [FLAGS.python_for_engine, "-u", # turn off buffering
"gtp.py",
"--load_file=%s" % FLAGS.model,
"--minigui_mode=true",
"--num_readouts=%d" % FLAGS.num_readouts,
"--conv_width=128",
"--resign_threshold=%f" % FLAGS.resign_threshold,
"--verbose=2"]
else:
GTP_COMMAND = [
"bazel-bin/cc/main",
"--model=%s" % FLAGS.model,
"--num_readouts=%d" % FLAGS.num_readouts,
"--soft_pick=false",
"--inject_noise=%s" % FLAGS.inject_noise,
"--disable_resign_pct=0",
"--courtesy_pass=true",
"--engine=%s" % FLAGS.engine,
"--virtual_losses=%d" % FLAGS.virtual_losses,
"--resign_threshold=%f" % FLAGS.resign_threshold,
"--mode=gtp"]
return subprocess.Popen(GTP_COMMAND,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=dict(os.environ, BOARD_SIZE=str(FLAGS.board_size)))
token = ""
echo_streams = True
p = None
stderr_done_semaphore = threading.Semaphore(0)
def process_line(stream_name, line):
global token
global echo_streams
if echo_streams:
sys.stdout.write(line)
if "GTP engine ready" in line:
echo_streams = False
# TODO(tommadams): trim newlines in the frontend to make sure we preserve
# the exact output of the engine.
if line[-1] == "\n":
line = line[:-1]
if line.startswith("= __NEW_TOKEN__ "):
token = line.split(" ", 3)[2]
socketio.send(json.dumps({stream_name: line, "token": token}),
namespace="/minigui", json=True)
def stderr_thread():
for line in p.stderr:
line = line.decode()
if line == "__GTP_CMD_DONE__\n":
stderr_done_semaphore.release()
continue
process_line('stderr', line)
print("stderr thread died")
def stdout_thread():
for line in p.stdout:
line = line.decode()
if line[0] == '=' or line[0] == '?':
# We just read the result of a GTP command, Wait for all lines
# written to stderr while processing that command to be read.
stderr_done_semaphore.acquire()
process_line('stdout', line)
print("stdout thread died")
@socketio.on("gtpcmd", namespace="/minigui")
def stdin_cmd(message):
print("C -> E:", message)
global p
try:
p.stdin.write(bytes(message["data"] + "\r\n", encoding="utf-8"))
p.stdin.flush()
except BrokenPipeError:
p = _open_pipes()
@app.route("/")
def index():
return app.send_static_file("index.html")
def main(unused_argv):
global p
p = _open_pipes()
socketio.start_background_task(stderr_thread)
socketio.start_background_task(stdout_thread)
socketio.run(app, port=FLAGS.port, host=FLAGS.host)
if __name__ == "__main__":
flags.mark_flags_as_required(["model"])
absl.app.run(main)