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fluiddyn
fluidimage
Merge requests
!66
Entry points for executors
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Entry points for executors
topic/default/entry-points-executors
into
branch/default
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0
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3
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3
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13
Closed
Pierre Augier
requested to merge
topic/default/entry-points-executors
into
branch/default
1 year ago
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3
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13
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branch/default
version 1
a071b8f8
1 year ago
branch/default (base)
and
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584f7970
3 commits,
1 year ago
version 1
a071b8f8
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src/fluidimage/executors/__init__.py
+
83
−
19
Options
@@ -23,9 +23,23 @@ an executor compared to another.
exec_async_servers
servers
.. autofunction:: get_entry_points
.. autofunction:: get_executor_names
.. autofunction:: import_executor_class
"""
import
importlib
import
os
import
sys
if
sys
.
version_info
<
(
3
,
10
):
from
importlib_metadata
import
entry_points
,
EntryPoint
else
:
from
importlib.metadata
import
entry_points
,
EntryPoint
import
trio
@@ -38,24 +52,74 @@ if hasattr(os, "register_at_fork"):
os
.
register_at_fork
(
after_in_child
=
afterfork
)
from
.base
import
ExecutorBase
from
.exec_async
import
ExecutorAsync
from
.exec_async_multiproc
import
ExecutorAsyncMultiproc
from
.exec_async_sequential
import
ExecutorAsyncSequential
from
.exec_async_servers
import
(
ExecutorAsyncServers
,
ExecutorAsyncServersThreading
,
)
from
.exec_sequential
import
ExecutorSequential
from
.multi_exec_async
import
MultiExecutorAsync
executors
=
{
"
exec_sequential
"
:
ExecutorSequential
,
"
exec_async
"
:
ExecutorAsync
,
"
exec_async_sequential
"
:
ExecutorAsyncSequential
,
"
multi_exec_async
"
:
MultiExecutorAsync
,
"
exec_async_multi
"
:
ExecutorAsyncMultiproc
,
"
exec_async_servers
"
:
ExecutorAsyncServers
,
"
exec_async_servers_threading
"
:
ExecutorAsyncServersThreading
,
}
__all__
=
[
"
ExecutorBase
"
,
"
executors
"
]
_entry_points
=
None
def
get_entry_points
(
reload
=
False
,
ndim
=
None
,
sequential
=
None
):
"""
Discover the executors installed
"""
global
_entry_points
if
_entry_points
is
None
or
reload
:
_entry_points
=
entry_points
(
group
=
"
fluidimage.executors
"
)
if
not
_entry_points
:
raise
RuntimeError
(
"
No executor were found.
"
)
return
_entry_points
def
get_executor_names
():
"""
Get available executor names
"""
return
set
(
entry_point
.
name
for
entry_point
in
get_entry_points
())
def
_get_module_fullname_from_name
(
name
):
"""
Get the module name from an executor name
Parameters
----------
name : str
Name of an executor.
"""
entry_points
=
get_entry_points
()
selected_entry_points
=
entry_points
.
select
(
name
=
name
)
if
len
(
selected_entry_points
)
==
0
:
raise
ValueError
(
f
"
Cannot find an executor for
{
name
=
}
.
{
entry_points
}
"
)
elif
len
(
selected_entry_points
)
>
1
:
logging
.
warning
(
f
"
{
len
(
selected_entry_points
)
}
plugins were found for
{
name
=
}
"
)
return
selected_entry_points
[
name
].
value
def
import_executor_class
(
name
):
"""
Import an executor class.
Parameters
----------
name : str
Executor name.
Returns
-------
The corresponding executor class.
"""
if
isinstance
(
name
,
EntryPoint
):
module_fullname
=
name
.
value
name
=
name
.
name
else
:
module_fullname
=
_get_module_fullname_from_name
(
name
)
mod
=
importlib
.
import_module
(
module_fullname
)
return
mod
.
Executor
__all__
=
[
"
ExecutorBase
"
,
"
get_executor_names
"
,
"
import_executor_class
"
]
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