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
|
import asyncio
from typing import (
Any,
Callable,
Dict,
Generic,
List,
Optional,
TypedDict,
TypeVar,
Union,
)
from hatchet_sdk.clients.admin import ChildTriggerWorkflowOptions
from hatchet_sdk.context.context import Context
from hatchet_sdk.contracts.workflows_pb2 import ( # type: ignore[attr-defined]
CreateStepRateLimit,
CreateWorkflowJobOpts,
CreateWorkflowStepOpts,
CreateWorkflowVersionOpts,
DesiredWorkerLabels,
StickyStrategy,
WorkflowConcurrencyOpts,
WorkflowKind,
)
from hatchet_sdk.labels import DesiredWorkerLabel
from hatchet_sdk.logger import logger
from hatchet_sdk.rate_limit import RateLimit
from hatchet_sdk.v2.concurrency import ConcurrencyFunction
from hatchet_sdk.workflow_run import RunRef
T = TypeVar("T")
class HatchetCallable(Generic[T]):
def __init__(
self,
func: Callable[[Context], T],
durable: bool = False,
name: str = "",
auto_register: bool = True,
on_events: list[str] | None = None,
on_crons: list[str] | None = None,
version: str = "",
timeout: str = "60m",
schedule_timeout: str = "5m",
sticky: StickyStrategy = None,
retries: int = 0,
rate_limits: List[RateLimit] | None = None,
concurrency: ConcurrencyFunction | None = None,
on_failure: Union["HatchetCallable[T]", None] = None,
desired_worker_labels: dict[str, DesiredWorkerLabel] = {},
default_priority: int | None = None,
):
self.func = func
on_events = on_events or []
on_crons = on_crons or []
limits = None
if rate_limits:
limits = [rate_limit._req for rate_limit in rate_limits or []]
self.function_desired_worker_labels = {}
for key, d in desired_worker_labels.items():
value = d["value"] if "value" in d else None
self.function_desired_worker_labels[key] = DesiredWorkerLabels(
strValue=str(value) if not isinstance(value, int) else None,
intValue=value if isinstance(value, int) else None,
required=d["required"] if "required" in d else None,
weight=d["weight"] if "weight" in d else None,
comparator=d["comparator"] if "comparator" in d else None,
)
self.sticky = sticky
self.default_priority = default_priority
self.durable = durable
self.function_name = name.lower() or str(func.__name__).lower()
self.function_version = version
self.function_on_events = on_events
self.function_on_crons = on_crons
self.function_timeout = timeout
self.function_schedule_timeout = schedule_timeout
self.function_retries = retries
self.function_rate_limits = limits
self.function_concurrency = concurrency
self.function_on_failure = on_failure
self.function_namespace = "default"
self.function_auto_register = auto_register
self.is_coroutine = False
if asyncio.iscoroutinefunction(func):
self.is_coroutine = True
def __call__(self, context: Context) -> T:
return self.func(context)
def with_namespace(self, namespace: str) -> None:
if namespace is not None and namespace != "":
self.function_namespace = namespace
self.function_name = namespace + self.function_name
def to_workflow_opts(self) -> CreateWorkflowVersionOpts:
kind: WorkflowKind = WorkflowKind.FUNCTION
if self.durable:
kind = WorkflowKind.DURABLE
on_failure_job: CreateWorkflowJobOpts | None = None
if self.function_on_failure is not None:
on_failure_job = CreateWorkflowJobOpts(
name=self.function_name + "-on-failure",
steps=[
self.function_on_failure.to_step(),
],
)
concurrency: WorkflowConcurrencyOpts | None = None
if self.function_concurrency is not None:
self.function_concurrency.set_namespace(self.function_namespace)
concurrency = WorkflowConcurrencyOpts(
action=self.function_concurrency.get_action_name(),
max_runs=self.function_concurrency.max_runs,
limit_strategy=self.function_concurrency.limit_strategy,
)
validated_priority = (
max(1, min(3, self.default_priority)) if self.default_priority else None
)
if validated_priority != self.default_priority:
logger.warning(
"Warning: Default Priority Must be between 1 and 3 -- inclusively. Adjusted to be within the range."
)
return CreateWorkflowVersionOpts(
name=self.function_name,
kind=kind,
version=self.function_version,
event_triggers=self.function_on_events,
cron_triggers=self.function_on_crons,
schedule_timeout=self.function_schedule_timeout,
sticky=self.sticky,
on_failure_job=on_failure_job,
concurrency=concurrency,
jobs=[
CreateWorkflowJobOpts(
name=self.function_name,
steps=[
self.to_step(),
],
)
],
default_priority=validated_priority,
)
def to_step(self) -> CreateWorkflowStepOpts:
return CreateWorkflowStepOpts(
readable_id=self.function_name,
action=self.get_action_name(),
timeout=self.function_timeout,
inputs="{}",
parents=[],
retries=self.function_retries,
rate_limits=self.function_rate_limits,
worker_labels=self.function_desired_worker_labels,
)
def get_action_name(self) -> str:
return self.function_namespace + ":" + self.function_name
class DurableContext(Context):
def run(
self,
function: str | Callable[[Context], Any],
input: dict[Any, Any] = {},
key: str | None = None,
options: ChildTriggerWorkflowOptions | None = None,
) -> "RunRef[T]":
worker_id = self.worker.id()
workflow_name = function
if not isinstance(function, str):
workflow_name = function.function_name
# if (
# options is not None
# and "sticky" in options
# and options["sticky"] == True
# and not self.worker.has_workflow(workflow_name)
# ):
# raise Exception(
# f"cannot run with sticky: workflow {workflow_name} is not registered on the worker"
# )
trigger_options = self._prepare_workflow_options(key, options, worker_id)
return self.admin_client.run(function, input, trigger_options)
|
