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Define raises for async pragma

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Arnaud 2025-02-25 10:03:20 +01:00 committed by Giuliano Mega
parent ea917be824
commit 13c0a0cdb1
7 changed files with 51 additions and 47 deletions
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14
datastore/datastore.nim
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@ -16,22 +16,22 @@ type
Modify* = Function[?seq[byte], Future[?seq[byte]]]
ModifyGet* = Function[?seq[byte], Future[(?seq[byte], seq[byte])]]
method has*(self: Datastore, key: Key): Future[?!bool] {.base, gcsafe, locks: "unknown".} =
method has*(self: Datastore, key: Key): Future[?!bool] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method delete*(self: Datastore, key: Key): Future[?!void] {.base, gcsafe, locks: "unknown".} =
method delete*(self: Datastore, key: Key): Future[?!void] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method delete*(self: Datastore, keys: seq[Key]): Future[?!void] {.base, gcsafe, locks: "unknown".} =
method delete*(self: Datastore, keys: seq[Key]): Future[?!void] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method get*(self: Datastore, key: Key): Future[?!seq[byte]] {.base, gcsafe, locks: "unknown".} =
method get*(self: Datastore, key: Key): Future[?!seq[byte]] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method put*(self: Datastore, key: Key, data: seq[byte]): Future[?!void] {.base, gcsafe, locks: "unknown".} =
method put*(self: Datastore, key: Key, data: seq[byte]): Future[?!void] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method put*(self: Datastore, batch: seq[BatchEntry]): Future[?!void] {.base, gcsafe, locks: "unknown".} =
method put*(self: Datastore, batch: seq[BatchEntry]): Future[?!void] {.base, gcsafe, async: (raises: [CancelledError]), locks: "unknown".} =
raiseAssert("Not implemented!")
method close*(self: Datastore): Future[?!void] {.base, async, locks: "unknown".} =
@ -43,7 +43,7 @@ method query*(
raiseAssert("Not implemented!")
proc contains*(self: Datastore, key: Key): Future[bool] {.async.} =
proc contains*(self: Datastore, key: Key): Future[bool] {.async: (raises: [CancelledError]).} =
return (await self.has(key)) |? false
method modify*(self: Datastore, key: Key, fn: Modify): Future[?!void] {.base, gcsafe, locks: "unknown".} =

12
datastore/fsds.nim
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@ -65,10 +65,10 @@ proc path*(self: FSDatastore, key: Key): ?!string =
return success fullname
method has*(self: FSDatastore, key: Key): Future[?!bool] {.async.} =
method has*(self: FSDatastore, key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
return self.path(key).?fileExists()
method delete*(self: FSDatastore, key: Key): Future[?!void] {.async.} =
method delete*(self: FSDatastore, key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
without path =? self.path(key), error:
return failure error
@ -82,7 +82,7 @@ method delete*(self: FSDatastore, key: Key): Future[?!void] {.async.} =
return success()
method delete*(self: FSDatastore, keys: seq[Key]): Future[?!void] {.async.} =
method delete*(self: FSDatastore, keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
for key in keys:
if err =? (await self.delete(key)).errorOption:
return failure err
@ -119,7 +119,7 @@ proc readFile*(self: FSDatastore, path: string): ?!seq[byte] =
except CatchableError as e:
return failure e
method get*(self: FSDatastore, key: Key): Future[?!seq[byte]] {.async.} =
method get*(self: FSDatastore, key: Key): Future[?!seq[byte]] {.async: (raises: [CancelledError]).} =
without path =? self.path(key), error:
return failure error
@ -132,7 +132,7 @@ method get*(self: FSDatastore, key: Key): Future[?!seq[byte]] {.async.} =
method put*(
self: FSDatastore,
key: Key,
data: seq[byte]): Future[?!void] {.async.} =
data: seq[byte]): Future[?!void] {.async: (raises: [CancelledError]).} =
without path =? self.path(key), error:
return failure error
@ -147,7 +147,7 @@ method put*(
method put*(
self: FSDatastore,
batch: seq[BatchEntry]): Future[?!void] {.async.} =
batch: seq[BatchEntry]): Future[?!void] {.async: (raises: [CancelledError]).} =
for entry in batch:
if err =? (await self.put(entry.key, entry.data)).errorOption:

12
datastore/leveldb/leveldbds.nim
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@ -20,27 +20,27 @@ type
db: LevelDb
locks: TableRef[Key, AsyncLock]
method has*(self: LevelDbDatastore, key: Key): Future[?!bool] {.async.} =
method has*(self: LevelDbDatastore, key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
try:
let str = self.db.get($key)
return success(str.isSome)
except LevelDbException as e:
return failure("LevelDbDatastore.has exception: " & e.msg)
method delete*(self: LevelDbDatastore, key: Key): Future[?!void] {.async.} =
method delete*(self: LevelDbDatastore, key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
try:
self.db.delete($key, sync = true)
return success()
except LevelDbException as e:
return failure("LevelDbDatastore.delete exception: " & e.msg)
method delete*(self: LevelDbDatastore, keys: seq[Key]): Future[?!void] {.async.} =
method delete*(self: LevelDbDatastore, keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
for key in keys:
if err =? (await self.delete(key)).errorOption:
return failure(err.msg)
return success()
method get*(self: LevelDbDatastore, key: Key): Future[?!seq[byte]] {.async.} =
method get*(self: LevelDbDatastore, key: Key): Future[?!seq[byte]] {.async: (raises: [CancelledError]).} =
try:
let str = self.db.get($key)
if not str.isSome:
@ -50,7 +50,7 @@ method get*(self: LevelDbDatastore, key: Key): Future[?!seq[byte]] {.async.} =
except LevelDbException as e:
return failure("LevelDbDatastore.get exception: " & $e.msg)
method put*(self: LevelDbDatastore, key: Key, data: seq[byte]): Future[?!void] {.async.} =
method put*(self: LevelDbDatastore, key: Key, data: seq[byte]): Future[?!void] {.async: (raises: [CancelledError]).} =
try:
let str = string.fromBytes(data)
self.db.put($key, str)
@ -58,7 +58,7 @@ method put*(self: LevelDbDatastore, key: Key, data: seq[byte]): Future[?!void] {
except LevelDbException as e:
return failure("LevelDbDatastore.put exception: " & $e.msg)
method put*(self: LevelDbDatastore, batch: seq[BatchEntry]): Future[?!void] {.async.} =
method put*(self: LevelDbDatastore, batch: seq[BatchEntry]): Future[?!void] {.async: (raises: [CancelledError]).} =
try:
let b = newBatch()
for entry in batch:

12
datastore/mountedds.nim
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@ -63,7 +63,7 @@ proc dispatch(
method has*(
self: MountedDatastore,
key: Key): Future[?!bool] {.async.} =
key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
without mounted =? self.dispatch(key):
return failure "No mounted datastore found"
@ -72,7 +72,7 @@ method has*(
method delete*(
self: MountedDatastore,
key: Key): Future[?!void] {.async.} =
key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
without mounted =? self.dispatch(key), error:
return failure(error)
@ -81,7 +81,7 @@ method delete*(
method delete*(
self: MountedDatastore,
keys: seq[Key]): Future[?!void] {.async.} =
keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
for key in keys:
if err =? (await self.delete(key)).errorOption:
@ -91,7 +91,7 @@ method delete*(
method get*(
self: MountedDatastore,
key: Key): Future[?!seq[byte]] {.async.} =
key: Key): Future[?!seq[byte]] {.async: (raises: [CancelledError]).} =
without mounted =? self.dispatch(key), error:
return failure(error)
@ -101,7 +101,7 @@ method get*(
method put*(
self: MountedDatastore,
key: Key,
data: seq[byte]): Future[?!void] {.async.} =
data: seq[byte]): Future[?!void] {.async: (raises: [CancelledError]).} =
without mounted =? self.dispatch(key), error:
return failure(error)
@ -110,7 +110,7 @@ method put*(
method put*(
self: MountedDatastore,
batch: seq[BatchEntry]): Future[?!void] {.async.} =
batch: seq[BatchEntry]): Future[?!void] {.async: (raises: [CancelledError]).} =
for entry in batch:
if err =? (await self.put(entry.key, entry.data)).errorOption:

12
datastore/sql/sqliteds.nim
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@ -146,7 +146,7 @@ method modify*(self: SQLiteDatastore, key: Key, fn: Modify): Future[?!void] {.as
else:
return success()
method has*(self: SQLiteDatastore, key: Key): Future[?!bool] {.async.} =
method has*(self: SQLiteDatastore, key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
var
exists = false
@ -158,10 +158,10 @@ method has*(self: SQLiteDatastore, key: Key): Future[?!bool] {.async.} =
return success exists
method delete*(self: SQLiteDatastore, key: Key): Future[?!void] {.async.} =
method delete*(self: SQLiteDatastore, key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
return self.db.deleteStmt.exec((key.id))
method delete*(self: SQLiteDatastore, keys: seq[Key]): Future[?!void] {.async.} =
method delete*(self: SQLiteDatastore, keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
if err =? self.db.beginStmt.exec().errorOption:
return failure(err)
@ -177,7 +177,7 @@ method delete*(self: SQLiteDatastore, keys: seq[Key]): Future[?!void] {.async.}
return success()
method get*(self: SQLiteDatastore, key: Key): Future[?!seq[byte]] {.async.} =
method get*(self: SQLiteDatastore, key: Key): Future[?!seq[byte]] {.async: (raises: [CancelledError]).} =
# see comment in ./filesystem_datastore re: finer control of memory
# allocation in `method get`, could apply here as well if bytes were read
# incrementally with `sqlite3_blob_read`
@ -197,10 +197,10 @@ method get*(self: SQLiteDatastore, key: Key): Future[?!seq[byte]] {.async.} =
return success bytes
method put*(self: SQLiteDatastore, key: Key, data: seq[byte]): Future[?!void] {.async.} =
method put*(self: SQLiteDatastore, key: Key, data: seq[byte]): Future[?!void] {.async: (raises: [CancelledError]).} =
return self.db.putStmt.exec((key.id, data, initVersion, timestamp()))
method put*(self: SQLiteDatastore, batch: seq[BatchEntry]): Future[?!void] {.async.} =
method put*(self: SQLiteDatastore, batch: seq[BatchEntry]): Future[?!void] {.async: (raises: [CancelledError]).} =
if err =? self.db.beginStmt.exec().errorOption:
return failure err

24
datastore/tieredds.nim
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@ -28,7 +28,7 @@ proc stores*(self: TieredDatastore): seq[Datastore] =
method has*(
self: TieredDatastore,
key: Key): Future[?!bool] {.async.} =
key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
for store in self.stores:
without res =? (await store.has(key)), err:
@ -41,32 +41,34 @@ method has*(
method delete*(
self: TieredDatastore,
key: Key): Future[?!void] {.async.} =
key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
let
pending = await allFinished(self.stores.mapIt(it.delete(key)))
for fut in pending:
if fut.read().isErr: return fut.read()
without res =? fut.read().catch, error:
return failure error
return success()
method delete*(
self: TieredDatastore,
keys: seq[Key]): Future[?!void] {.async.} =
keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
for key in keys:
let
pending = await allFinished(self.stores.mapIt(it.delete(key)))
for fut in pending:
if fut.read().isErr: return fut.read()
without res =? fut.read().catch, error:
return failure error
return success()
method get*(
self: TieredDatastore,
key: Key): Future[?!seq[byte]] {.async.} =
key: Key): Future[?!seq[byte]] {.async: (raises: [CancelledError]).} =
var
bytes: seq[byte]
@ -91,26 +93,28 @@ method get*(
method put*(
self: TieredDatastore,
key: Key,
data: seq[byte]): Future[?!void] {.async.} =
data: seq[byte]): Future[?!void] {.async: (raises: [CancelledError]).} =
let
pending = await allFinished(self.stores.mapIt(it.put(key, data)))
for fut in pending:
if fut.read().isErr: return fut.read()
without res =? fut.read().catch, error:
return failure error
return success()
method put*(
self: TieredDatastore,
batch: seq[BatchEntry]): Future[?!void] {.async.} =
batch: seq[BatchEntry]): Future[?!void] {.async: (raises: [CancelledError]).} =
for entry in batch:
let
pending = await allFinished(self.stores.mapIt(it.put(entry.key, entry.data)))
for fut in pending:
if fut.read().isErr: return fut.read()
without res =? fut.read().catch, error:
return failure error
return success()

12
datastore/typedds.nim
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@ -71,16 +71,16 @@ template requireEncoder*(T: typedesc): untyped =
{.error: "provide an encoder: `proc encode(a: " & $T & "): seq[byte]`".}
# Original Datastore API
proc has*(self: TypedDatastore, key: Key): Future[?!bool] {.async.} =
proc has*(self: TypedDatastore, key: Key): Future[?!bool] {.async: (raises: [CancelledError]).} =
await self.ds.has(key)
proc contains*(self: TypedDatastore, key: Key): Future[bool] {.async.} =
proc contains*(self: TypedDatastore, key: Key): Future[bool] {.async: (raises: [CancelledError]).} =
return (await self.ds.has(key)) |? false
proc delete*(self: TypedDatastore, key: Key): Future[?!void] {.async.} =
proc delete*(self: TypedDatastore, key: Key): Future[?!void] {.async: (raises: [CancelledError]).} =
await self.ds.delete(key)
proc delete*(self: TypedDatastore, keys: seq[Key]): Future[?!void] {.async.} =
proc delete*(self: TypedDatastore, keys: seq[Key]): Future[?!void] {.async: (raises: [CancelledError]).} =
await self.ds.delete(keys)
proc close*(self: TypedDatastore): Future[?!void] {.async.} =
@ -90,12 +90,12 @@ proc close*(self: TypedDatastore): Future[?!void] {.async.} =
proc init*(T: type TypedDatastore, ds: Datastore): T =
TypedDatastore(ds: ds)
proc put*[T](self: TypedDatastore, key: Key, t: T): Future[?!void] {.async.} =
proc put*[T](self: TypedDatastore, key: Key, t: T): Future[?!void] {.async: (raises: [CancelledError]).} =
requireEncoder(T)
await self.ds.put(key, t.encode)
proc get*[T](self: TypedDatastore, key: Key): Future[?!T] {.async.} =
proc get*[T](self: TypedDatastore, key: Key): Future[?!T] {.async: (raises: [CancelledError]).} =
requireDecoder(T)
without bytes =? await self.ds.get(key), error: