forked from home-assistant/core
-
Notifications
You must be signed in to change notification settings - Fork 0
/
__main__.py
222 lines (182 loc) · 6.56 KB
/
__main__.py
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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
"""Start Home Assistant."""
from __future__ import annotations
import argparse
import faulthandler
import os
import sys
import threading
from .const import REQUIRED_PYTHON_VER, RESTART_EXIT_CODE, __version__
FAULT_LOG_FILENAME = "home-assistant.log.fault"
def validate_os() -> None:
"""Validate that Home Assistant is running in a supported operating system."""
if not sys.platform.startswith(("darwin", "linux")):
print(
"Home Assistant only supports Linux, OSX and Windows using WSL",
file=sys.stderr,
)
sys.exit(1)
def validate_python() -> None:
"""Validate that the right Python version is running."""
if sys.version_info[:3] < REQUIRED_PYTHON_VER:
print(
"Home Assistant requires at least Python "
f"{REQUIRED_PYTHON_VER[0]}.{REQUIRED_PYTHON_VER[1]}.{REQUIRED_PYTHON_VER[2]}",
file=sys.stderr,
)
sys.exit(1)
def ensure_config_path(config_dir: str) -> None:
"""Validate the configuration directory."""
# pylint: disable-next=import-outside-toplevel
from . import config as config_util
lib_dir = os.path.join(config_dir, "deps")
# Test if configuration directory exists
if not os.path.isdir(config_dir):
if config_dir != config_util.get_default_config_dir():
if os.path.exists(config_dir):
reason = "is not a directory"
else:
reason = "does not exist"
print(
f"Fatal Error: Specified configuration directory {config_dir} {reason}",
file=sys.stderr,
)
sys.exit(1)
try:
os.mkdir(config_dir)
except OSError as ex:
print(
"Fatal Error: Unable to create default configuration "
f"directory {config_dir}: {ex}",
file=sys.stderr,
)
sys.exit(1)
# Test if library directory exists
if not os.path.isdir(lib_dir):
try:
os.mkdir(lib_dir)
except OSError as ex:
print(
f"Fatal Error: Unable to create library directory {lib_dir}: {ex}",
file=sys.stderr,
)
sys.exit(1)
def get_arguments() -> argparse.Namespace:
"""Get parsed passed in arguments."""
# pylint: disable-next=import-outside-toplevel
from . import config as config_util
parser = argparse.ArgumentParser(
description="Home Assistant: Observe, Control, Automate.",
epilog=f"If restart is requested, exits with code {RESTART_EXIT_CODE}",
)
parser.add_argument("--version", action="version", version=__version__)
parser.add_argument(
"-c",
"--config",
metavar="path_to_config_dir",
default=config_util.get_default_config_dir(),
help="Directory that contains the Home Assistant configuration",
)
parser.add_argument(
"--recovery-mode",
action="store_true",
help="Start Home Assistant in recovery mode",
)
parser.add_argument(
"--debug", action="store_true", help="Start Home Assistant in debug mode"
)
parser.add_argument(
"--open-ui", action="store_true", help="Open the webinterface in a browser"
)
skip_pip_group = parser.add_mutually_exclusive_group()
skip_pip_group.add_argument(
"--skip-pip",
action="store_true",
help="Skips pip install of required packages on startup",
)
skip_pip_group.add_argument(
"--skip-pip-packages",
metavar="package_names",
type=lambda arg: arg.split(","),
default=[],
help="Skip pip install of specific packages on startup",
)
parser.add_argument(
"-v", "--verbose", action="store_true", help="Enable verbose logging to file."
)
parser.add_argument(
"--log-rotate-days",
type=int,
default=None,
help="Enables daily log rotation and keeps up to the specified days",
)
parser.add_argument(
"--log-file",
type=str,
default=None,
help="Log file to write to. If not set, CONFIG/home-assistant.log is used",
)
parser.add_argument(
"--log-no-color", action="store_true", help="Disable color logs"
)
parser.add_argument(
"--script", nargs=argparse.REMAINDER, help="Run one of the embedded scripts"
)
parser.add_argument(
"--ignore-os-check",
action="store_true",
help="Skips validation of operating system",
)
arguments = parser.parse_args()
return arguments
def check_threads() -> None:
"""Check if there are any lingering threads."""
try:
nthreads = sum(
thread.is_alive() and not thread.daemon for thread in threading.enumerate()
)
if nthreads > 1:
sys.stderr.write(f"Found {nthreads} non-daemonic threads.\n")
# Somehow we sometimes seem to trigger an assertion in the python threading
# module. It seems we find threads that have no associated OS level thread
# which are not marked as stopped at the python level.
except AssertionError:
sys.stderr.write("Failed to count non-daemonic threads.\n")
def main() -> int:
"""Start Home Assistant."""
validate_python()
args = get_arguments()
if not args.ignore_os_check:
validate_os()
if args.script is not None:
# pylint: disable-next=import-outside-toplevel
from . import scripts
return scripts.run(args.script)
config_dir = os.path.abspath(os.path.join(os.getcwd(), args.config))
ensure_config_path(config_dir)
# pylint: disable-next=import-outside-toplevel
from . import config, runner
safe_mode = config.safe_mode_enabled(config_dir)
runtime_conf = runner.RuntimeConfig(
config_dir=config_dir,
verbose=args.verbose,
log_rotate_days=args.log_rotate_days,
log_file=args.log_file,
log_no_color=args.log_no_color,
skip_pip=args.skip_pip,
skip_pip_packages=args.skip_pip_packages,
recovery_mode=args.recovery_mode,
debug=args.debug,
open_ui=args.open_ui,
safe_mode=safe_mode,
)
fault_file_name = os.path.join(config_dir, FAULT_LOG_FILENAME)
with open(fault_file_name, mode="a", encoding="utf8") as fault_file:
faulthandler.enable(fault_file)
exit_code = runner.run(runtime_conf)
faulthandler.disable()
if os.path.getsize(fault_file_name) == 0:
os.remove(fault_file_name)
check_threads()
return exit_code
if __name__ == "__main__":
sys.exit(main())