forked from celery/celery
/
defaults.py
256 lines (232 loc) · 9.98 KB
/
defaults.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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
# -*- coding: utf-8 -*-
"""
celery.app.defaults
~~~~~~~~~~~~~~~~~~~
Configuration introspection and defaults.
:copyright: (c) 2009 - 2012 by Ask Solem.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import sys
from collections import deque
from datetime import timedelta
from ..utils.functional import memoize
is_jython = sys.platform.startswith("java")
is_pypy = hasattr(sys, "pypy_version_info")
DEFAULT_POOL = "processes"
if is_jython:
DEFAULT_POOL = "threads"
elif is_pypy:
if sys.pypy_version_info[0:3] < (1, 5, 0):
DEFAULT_POOL = "solo"
else:
DEFAULT_POOL = "processes"
DEFAULT_PROCESS_LOG_FMT = """
[%(asctime)s: %(levelname)s/%(processName)s] %(message)s
""".strip()
DEFAULT_LOG_FMT = '[%(asctime)s: %(levelname)s] %(message)s'
DEFAULT_TASK_LOG_FMT = """[%(asctime)s: %(levelname)s/%(processName)s] \
%(task_name)s[%(task_id)s]: %(message)s"""
def str_to_bool(term, table={"false": False, "no": False, "0": False,
"true": True, "yes": True, "1": True}):
try:
return table[term.lower()]
except KeyError:
raise TypeError("Can't coerce %r to type bool" % (term, ))
class Option(object):
alt = None
deprecate_by = None
remove_by = None
typemap = dict(string=str, int=int, float=float, any=lambda v: v,
bool=str_to_bool, dict=dict, tuple=tuple)
def __init__(self, default=None, *args, **kwargs):
self.default = default
self.type = kwargs.get("type") or "string"
for attr, value in kwargs.iteritems():
setattr(self, attr, value)
def to_python(self, value):
return self.typemap[self.type](value)
NAMESPACES = {
"BROKER": {
"URL": Option(None, type="string"),
"HOST": Option(None, type="string"),
"PORT": Option(type="int"),
"USER": Option(None, type="string"),
"PASSWORD": Option(None, type="string"),
"VHOST": Option(None, type="string"),
"CONNECTION_TIMEOUT": Option(4, type="int"),
"CONNECTION_RETRY": Option(True, type="bool"),
"CONNECTION_MAX_RETRIES": Option(100, type="int"),
"POOL_LIMIT": Option(10, type="int"),
"INSIST": Option(False, type="bool",
deprecate_by="2.4", remove_by="3.0"),
"USE_SSL": Option(False, type="bool"),
"TRANSPORT": Option(None, type="string"),
"TRANSPORT_OPTIONS": Option({}, type="dict"),
},
"CASSANDRA": {
"COLUMN_FAMILY": Option(None, type="string"),
"DETAILED_MODE": Option(False, type="bool"),
"KEYSPACE": Option(None, type="string"),
"READ_CONSISTENCY": Option(None, type="string"),
"SERVERS": Option(None, type="list"),
"WRITE_CONSISTENCY": Option(None, type="string"),
},
"CELERY": {
"ACKS_LATE": Option(False, type="bool"),
"ALWAYS_EAGER": Option(False, type="bool"),
"AMQP_TASK_RESULT_EXPIRES": Option(type="int",
deprecate_by="2.5", remove_by="3.0",
alt="CELERY_TASK_RESULT_EXPIRES"),
"AMQP_TASK_RESULT_CONNECTION_MAX": Option(1, type="int",
remove_by="2.5", alt="BROKER_POOL_LIMIT"),
"ANNOTATIONS": Option(type="any"),
"BROADCAST_QUEUE": Option("celeryctl"),
"BROADCAST_EXCHANGE": Option("celeryctl"),
"BROADCAST_EXCHANGE_TYPE": Option("fanout"),
"CACHE_BACKEND": Option(),
"CACHE_BACKEND_OPTIONS": Option({}, type="dict"),
"CREATE_MISSING_QUEUES": Option(True, type="bool"),
"DEFAULT_RATE_LIMIT": Option(type="string"),
"DISABLE_RATE_LIMITS": Option(False, type="bool"),
"DEFAULT_ROUTING_KEY": Option("celery"),
"DEFAULT_QUEUE": Option("celery"),
"DEFAULT_EXCHANGE": Option("celery"),
"DEFAULT_EXCHANGE_TYPE": Option("direct"),
"DEFAULT_DELIVERY_MODE": Option(2, type="string"),
"EAGER_PROPAGATES_EXCEPTIONS": Option(False, type="bool"),
"ENABLE_UTC": Option(False, type="bool"),
"EVENT_SERIALIZER": Option("json"),
"IMPORTS": Option((), type="tuple"),
"IGNORE_RESULT": Option(False, type="bool"),
"MAX_CACHED_RESULTS": Option(5000, type="int"),
"MESSAGE_COMPRESSION": Option(None, type="string"),
"MONGODB_BACKEND_SETTINGS": Option(None, type="dict"),
"REDIS_HOST": Option(None, type="string"),
"REDIS_PORT": Option(None, type="int"),
"REDIS_DB": Option(None, type="int"),
"REDIS_PASSWORD": Option(None, type="string"),
"REDIS_MAX_CONNECTIONS": Option(None, type="int"),
"RESULT_BACKEND": Option(None, type="string"),
"RESULT_DB_SHORT_LIVED_SESSIONS": Option(False, type="bool"),
"RESULT_DBURI": Option(),
"RESULT_ENGINE_OPTIONS": Option(None, type="dict"),
"RESULT_EXCHANGE": Option("celeryresults"),
"RESULT_EXCHANGE_TYPE": Option("direct"),
"RESULT_SERIALIZER": Option("pickle"),
"RESULT_PERSISTENT": Option(False, type="bool"),
"ROUTES": Option(None, type="any"),
"SEND_EVENTS": Option(False, type="bool"),
"SEND_TASK_ERROR_EMAILS": Option(False, type="bool"),
"SEND_TASK_SENT_EVENT": Option(False, type="bool"),
"STORE_ERRORS_EVEN_IF_IGNORED": Option(False, type="bool"),
"TASK_ERROR_WHITELIST": Option((), type="tuple",
deprecate_by="2.5", remove_by="3.0"),
"TASK_PUBLISH_RETRY": Option(True, type="bool"),
"TASK_PUBLISH_RETRY_POLICY": Option({
"max_retries": 100,
"interval_start": 0,
"interval_max": 1,
"interval_step": 0.2}, type="dict"),
"TASK_RESULT_EXPIRES": Option(timedelta(days=1), type="int"),
"TASK_SERIALIZER": Option("pickle"),
"TIMEZONE": Option(None, type="string"),
"TRACK_STARTED": Option(False, type="bool"),
"REDIRECT_STDOUTS": Option(True, type="bool"),
"REDIRECT_STDOUTS_LEVEL": Option("WARNING"),
"QUEUES": Option(None, type="dict"),
"SECURITY_KEY": Option(None, type="string"),
"SECURITY_CERTIFICATE": Option(None, type="string"),
"SECURITY_CERT_STORE": Option(None, type="string"),
},
"CELERYD": {
"AUTOSCALER": Option("celery.worker.autoscale.Autoscaler"),
"AUTORELOADER": Option("celery.worker.autoreload.Autoreloader"),
"BOOT_STEPS": Option((), type="tuple"),
"CONCURRENCY": Option(0, type="int"),
"ETA_SCHEDULER": Option(None, type="string"),
"ETA_SCHEDULER_PRECISION": Option(1.0, type="float"),
"FORCE_EXECV": Option(False, type="bool"),
"HIJACK_ROOT_LOGGER": Option(True, type="bool"),
"CONSUMER": Option("celery.worker.consumer.Consumer"),
"LOG_FORMAT": Option(DEFAULT_PROCESS_LOG_FMT),
"LOG_COLOR": Option(type="bool"),
"LOG_LEVEL": Option("WARN", deprecate_by="2.4", remove_by="3.0",
alt="--loglevel argument"),
"LOG_FILE": Option(deprecate_by="2.4", remove_by="3.0"),
"MEDIATOR": Option("celery.worker.mediator.Mediator"),
"MAX_TASKS_PER_CHILD": Option(type="int"),
"POOL": Option(DEFAULT_POOL),
"POOL_PUTLOCKS": Option(True, type="bool"),
"PREFETCH_MULTIPLIER": Option(4, type="int"),
"STATE_DB": Option(),
"TASK_LOG_FORMAT": Option(DEFAULT_TASK_LOG_FMT),
"TASK_SOFT_TIME_LIMIT": Option(type="int"),
"TASK_TIME_LIMIT": Option(type="int"),
},
"CELERYBEAT": {
"SCHEDULE": Option({}, type="dict"),
"SCHEDULER": Option("celery.beat.PersistentScheduler"),
"SCHEDULE_FILENAME": Option("celerybeat-schedule"),
"MAX_LOOP_INTERVAL": Option(5 * 60, type="int"),
"LOG_LEVEL": Option("INFO", deprecate_by="2.4", remove_by="3.0"),
"LOG_FILE": Option(deprecate_by="2.4", remove_by="3.0"),
},
"CELERYMON": {
"LOG_LEVEL": Option("INFO", deprecate_by="2.4", remove_by="3.0"),
"LOG_FILE": Option(deprecate_by="2.4", remove_by="3.0"),
"LOG_FORMAT": Option(DEFAULT_LOG_FMT),
},
"EMAIL": {
"HOST": Option("localhost"),
"PORT": Option(25, type="int"),
"HOST_USER": Option(None),
"HOST_PASSWORD": Option(None),
"TIMEOUT": Option(2, type="int"),
"USE_SSL": Option(False, type="bool"),
"USE_TLS": Option(False, type="bool"),
},
"SERVER_EMAIL": Option("celery@localhost"),
"ADMINS": Option((), type="tuple"),
"TT": {
"HOST": Option(None, type="string"),
"PORT": Option(None, type="int"),
},
}
def flatten(d, ns=""):
stack = deque([(ns, d)])
while stack:
name, space = stack.popleft()
for key, value in space.iteritems():
if isinstance(value, dict):
stack.append((name + key + '_', value))
else:
yield name + key, value
DEFAULTS = dict((key, value.default) for key, value in flatten(NAMESPACES))
def find_deprecated_settings(source):
from celery.utils import warn_deprecated
for name, opt in flatten(NAMESPACES):
if (opt.deprecate_by or opt.remove_by) and getattr(source, name, None):
warn_deprecated(description="The %r setting" % (name, ),
deprecation=opt.deprecate_by,
removal=opt.remove_by,
alternative=opt.alt)
return source
@memoize(maxsize=None)
def find(name, namespace="celery"):
# - Try specified namespace first.
namespace = namespace.upper()
try:
return namespace, name.upper(), NAMESPACES[namespace][name.upper()]
except KeyError:
# - Try all the other namespaces.
for ns, keys in NAMESPACES.iteritems():
if ns.upper() == name.upper():
return None, ns, keys
elif isinstance(keys, dict):
try:
return ns, name.upper(), keys[name.upper()]
except KeyError:
pass
# - See if name is a qualname last.
return None, name.upper(), DEFAULTS[name.upper()]