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WIP: Implementing sqlite objects storage #13

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lee.miller wants to merge 12 commits from lee.miller/MiNode:sqlite into v0.3
pull from: lee.miller/MiNode:sqlite
merge into: Bitmessage:v0.3
Conversation 0 Commits 12 Files Changed 9 +13 -14
1 changed files with 13 additions and 14 deletions
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27
minode/sql.py
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@ -40,14 +40,16 @@ class Inventory():
cur.execute("INSERT INTO status VALUES ('lastvacuumtime', ?)", (now,))
self._db.commit()
@staticmethod
def __object(cursor, row):
vector, expires, obj_type, version, stream, tag, data, offset = row
return structure.Object(
expires, obj_type, version, stream, data, offset,
tag=tag, vector=vector)
def __objects(self, cur):
return (
structure.Object(
expires, obj_type, version, stream, data, offset,
tag=tag, vector=vector)
for (vector, expires, obj_type, version, stream, tag, data, offset)
in cur.fetchall()
)
cur.row_factory = self.__object
return cur
def cleanup(self):
with shared.objects_lock:
@ -79,7 +81,7 @@ class Inventory():
' ORDER BY random()',
(int(time.time()), stream or shared.stream)
)
return [v for v, in cur.fetchall()]
return [v for v, in cur]
def get(self, vector, default=None):
try:
@ -89,7 +91,7 @@ class Inventory():
def keys(self):
cur = self._db.execute('SELECT vector FROM objects')
return (v for v, in cur.fetchall())
return (v for v, in cur)
def values(self):
cur = self._db.execute('SELECT * FROM objects')
@ -113,14 +115,11 @@ class Inventory():
def __getitem__(self, vector):
cur = self._db.execute(
'SELECT * FROM objects WHERE vector = ?', (vector,))
cur.row_factory = self.__object
item = cur.fetchone()
if item is None:
raise KeyError(vector)
vector, expires, obj_type, version, stream, tag, data, offset = item
return structure.Object(
expires, obj_type, version, stream, data, offset,
tag=tag, vector=vector
)
return item
def __delitem__(self, vector):
with shared.objects_lock: # KeyError