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'user_name': u, 'description': d} if el: try: e=loads(read(el)) d.update(e) except: pass
'user_name': u, 'description': d} d.update(e)
def undoLog(self, first=0, last=-20, filter=None): if last < 0: last=first-last+1 self._lock_acquire() try: packt=self._packt if packt is None: raise UndoError( 'Undo is currently disabled for database maintenance.<p>') pos=self._pos if pos < 39: return [] file=self._file seek=file.seek read=file.read unpack=struct.unp...
oid=object._p_oid __traceback_info__=oid p, serial = self._storage.load(oid, self._version) file=StringIO(p) unpickler=Unpickler(file) unpickler.persistent_load=self._persistent_load copy = unpickler.load() klass, args = copy if klass is not ExtensionKlass: LOG('ZODB',ERROR, "Unexpected klass when setting class stat...
try: oid=object._p_oid __traceback_info__=oid p, serial = self._storage.load(oid, self._version) file=StringIO(p) unpickler=Unpickler(file) unpickler.persistent_load=self._persistent_load copy = unpickler.load() klass, args = copy if klass is not ExtensionKlass: LOG('ZODB',ERROR, "Unexpected klass when setting class...
def setklassstate(self, object, tt=type(()), ct=type(HelperClass)): oid=object._p_oid __traceback_info__=oid p, serial = self._storage.load(oid, self._version) file=StringIO(p) unpickler=Unpickler(file) unpickler.persistent_load=self._persistent_load
print modulename, classname
def find_global(modulename, classname): """Helper for this test suite to get special PersistentMapping""" print modulename, classname if classname == "PersistentMapping": class PersistentMapping: def __setstate__(self, state): self.__dict__.update(state) return PersistentMapping else: __import__(modulename) mod = sys....
def log(message, level=zLOG.INFO, label="StorageServer:%s" % os.getpid(), error=None): zLOG.LOG(label, level, message, error=error)
_label = "ZSS" def set_label(): global _label _label = "ZSS:%s" % os.getpid() def log(message, level=zLOG.INFO, label=None, error=None): zLOG.LOG(label or _label, level, message, error=error)
def log(message, level=zLOG.INFO, label="StorageServer:%s" % os.getpid(), error=None): zLOG.LOG(label, level, message, error=error)
def _log(self, msg, level=zLOG.INFO, error=None, pid=os.getpid()):
def _log(self, msg, level=zLOG.INFO, error=None):
def _log(self, msg, level=zLOG.INFO, error=None, pid=os.getpid()): name = getattr(self.__storage, '__name__', None) if name is None: name = str(self.__storage) zLOG.LOG("ZEOStorage:%s:%s" % (pid, name), level, msg, error=error)
zLOG.LOG("ZEOStorage:%s:%s" % (pid, name), level, msg, error=error)
zLOG.LOG("%s:%s" % (_label, name), level, msg, error=error)
def _log(self, msg, level=zLOG.INFO, error=None, pid=os.getpid()): name = getattr(self.__storage, '__name__', None) if name is None: name = str(self.__storage) zLOG.LOG("ZEOStorage:%s:%s" % (pid, name), level, msg, error=error)
os.unlink(path)
need_to_delete = 1 for dummy in range(5): try: os.unlink(path) except: time.sleep(0.5) else: need_to_delete = 0 break if need_to_delete: os.unlink(path)
def tearDown(self): """Try to cause the tests to halt""" zLOG.LOG("testZEO", zLOG.INFO, "tearDown() %s" % self.id()) for p in self.conf_paths: os.remove(p) if getattr(self, '_storage', None) is not None: self._storage.close() if hasattr(self._storage, 'cleanup'): self._storage.cleanup() for adminaddr in self._servers: ...
pool_lock.acquire()
if not pool_lock.acquire(0): result = DB.open(self, version, transaction, temporary, force, waitflag) self._a() return result
def open(self, version='', transaction=None, temporary=0, force=None, waitflag=1, mvcc=True, txn_mgr=None, synch=True): """Return a database Connection for use by application code.
c = pool[-1] del pool[-1]
c = pool.pop()
def open(self, version='', transaction=None, temporary=0, force=None, waitflag=1, mvcc=True, txn_mgr=None, synch=True): """Return a database Connection for use by application code.
import zLog.MinimalLogger zLog.MinimalLogger._log.initialize()
import zLOG.MinimalLogger zLOG.MinimalLogger._log.initialize()
def rotate_logs(): import zLOG # There hasn't been a clear way to reinitialize the MinimalLogger. # I'll checkin the public initialize() method soon, but also try some # other strategies for older Zope installs :-(. init = getattr(zLOG, 'initialize', None) if init is not None: init() return # This will work if the mini...
"pwd module is not available." % uid))
"pwd module is not available." % arg))
def set_uid(arg): """Try to set uid and gid based on -u argument. This will only work if this script is run by root. """ try: import pwd except ImportError: LOG('ZEO/start.py', INFO, ("Can't set uid to %s." "pwd module is not available." % uid)) return try: gid = None try: arg = int(arg) except: # conversion could rai...
self.__has_mac = True
self.__has_mac = 0
def __init__(self, sock, addr, map=None, debug=None): self.addr = addr if debug is not None: self._debug = debug elif not hasattr(self, '_debug'): self._debug = __debug__ # __input_lock protects __inp, __input_len, __state, __msg_size self.__input_lock = threading.Lock() self.__inp = None # None, a single String, or a ...
resouces. The only works under Unix, and if ZServer is started by root.
resouces. The only works under Unix, and if the storage server is started by root.
def main(argv): me=argv[0] sys.path[:]==filter(None, sys.path) sys.path.insert(0, directory(me, 2)) args=[] last='' for a in argv[1:]: if (a[:1] != '-' and string.find(a, '=') > 0 and last != '-S' # lame, sorry ): a=string.split(a,'=') os.environ[a[0]]=string.join(a[1:],'=') continue args.append(a) last=a INSTANCE_HO...
and call it to minotor the storage.
and call it to monitor the storage.
def info(RESPONSE): RESPONSE['Content-type']= 'text/plain'
__version__='$Revision: 1.6 $'[11:-2] import base64, POSException, BTree, BaseStorage, time, string, utils
__version__='$Revision: 1.7 $'[11:-2] import base64, time, string from ZODB import POSException, BaseStorage, utils
def info(RESPONSE): RESPONSE['Content-type']= 'text/plain'
self._data=BTree.BTree()
self._data=OOBTree.OOBTree()
def __init__(self, name='Demo Storage', base=None, quota=None):
tindex.append([oid, serial, r, None, p])
if dest: new_vdata = dest, vdata[1] else: new_vdata = None tindex.append([oid, serial, r, new_vdata, p])
def commitVersion(self, src, dest, transaction): if transaction is not self._transaction: raise POSException.StorageTransactionError(self, transaction) self._lock_acquire() try: v=self._vindex.get(src, None) if v is None: return tindex=self._tindex oids=[] for r in v.values(): oid, serial, pre, vdata, p = r oids.appe...
try: oid, serial, pre, vdata, p = self._index[oid] except: if self._base: return self._base.load(oid, '')
try: oid, serial, pre, vdata, p = self._index[oid] except KeyError: if self._base: return self._base.load(oid, '')
def load(self, oid, version): self._lock_acquire() try: try: oid, serial, pre, vdata, p = self._index[oid] except: if self._base: return self._base.load(oid, '') raise KeyError, oid
if s > self._quota:
if self._quota is not None and s > self._quota:
def store(self, oid, serial, data, version, transaction): if transaction is not self._transaction: raise POSException.StorageTransactionError(self, transaction)
r=[] a=r.append for version in self._vindex.keys()[:max]: if self.versionEmpty(version): continue a(version) if max and len(r) >= max: return r
r = [] for v in self._vindex.keys(): if self.versionEmpty(v): continue r.append(v) if max is not None and len(r) >= max: break
def versions(self, max=None): r=[] a=r.append for version in self._vindex.keys()[:max]: if self.versionEmpty(version): continue a(version) if max and len(r) >= max: return r
if ((invalid(oid) and not hasattr(object, '_p_resolveConflict')) or invalid(None)):
if invalid(oid) and not hasattr(object, '_p_resolveConflict'):
def commit(self, object, transaction): if object is self: # We registered ourself. Execute a commit action, if any. if self.__onCommitActions is not None: method_name, args, kw = self.__onCommitActions.pop(0) apply(getattr(self, method_name), (transaction,) + args, kw) return oid = object._p_oid invalid = self._invali...
if ( (invalid(oid) and not hasattr(object, '_p_resolveConflict')) or invalid(None) ):
if invalid(oid) and not hasattr(object, '_p_resolveConflict'):
# def persistent_id(object,
invalid = self._invalid if invalid(oid) or invalid(None):
if self._invalid(oid):
def setstate(self, object): oid = object._p_oid
if self._invalid(None): raise ConflictError("transaction already invalidated")
def tpc_begin(self, transaction, sub=None): if self._invalid(None): # Some nitwit invalidated everything! raise ConflictError("transaction already invalidated") self._invalidating = [] self._creating = []
continue
def main(path): fs = FileStorage(path, read_only=1) noload = {} for oid in fs._index.keys(): try: data, serial = fs.load(oid, "") except: print "oid %s failed to load" % hex(u64(oid)) if VERBOSE: traceback.print_exc() noload[oid] = 1 # XXX If we get here after we've already loaded objects # that refer to this one, we ...
level=zLOG.DEBUG)
level=zLOG.TRACE)
def message_input(self, message): """Decoding an incoming message and dispatch it""" # XXX Not sure what to do with errors that reach this level. # Need to catch ZRPCErrors in handle_reply() and # handle_request() so that they get back to the client. try: msgid, flags, name, args = self.marshal.decode(message) except D...
log("send msg: %d, %d, %s, ..." % (msgid, flags, method))
log("send msg: %d, %d, %s, ..." % (msgid, flags, method), zLOG.TRACE)
def send_call(self, method, args, flags): # send a message and return its msgid self.__msgid_lock.acquire() try: msgid = self.msgid self.msgid = self.msgid + 1 finally: self.__msgid_lock.release() if __debug__: log("send msg: %d, %d, %s, ..." % (msgid, flags, method)) buf = self.marshal.encode(msgid, flags, method, arg...
if i < first: continue
if i < first: i = i+1 continue
def undoLog(self, first, last, filter=None): self._lock_acquire() try: packt=self._packt if packt is None: raise POSException.UndoError, ( 'Undo is currently disabled for database maintenance.<p>') pos=self._pos if pos < 39: return [] file=self._file seek=file.seek read=file.read unpack=struct.unpack strip=string.strip...
def checkPackVersionsInPast(self): pass def checkPackAfterUndoDeletion(self): pass
def check_periodic_save_index(self):
tl=u64(rstl)
tl=U64(rstl)
def _sane(self, index, pos): """Sanity check saved index data by reading the last undone trans
opos=pos+23+ul+dl+el
opos=pos+(23+ul+dl+el)
def _sane(self, index, pos): """Sanity check saved index data by reading the last undone trans
tloc=u64(stloc) plen=u64(splen)
tloc=U64(stloc) plen=U64(splen)
def _sane(self, index, pos): """Sanity check saved index data by reading the last undone trans
if vlen: dlen=dlen+16+vlen
if vlen: dlen=dlen+(16+vlen)
def _sane(self, index, pos): """Sanity check saved index data by reading the last undone trans
pos=info.get('pos', None)
pos=long(info.get('pos', None))
def _restore_index(self): """Load the database index from a file to support quick startup """ file_name=self.__name__ index_name=file_name+'.index' try: f=open(index_name,'rb') except: return None p=Unpickler(f)
self._save_index()
try: self._save_index() except: pass
def close(self): self._file.close() self._lock_file.close() self._tfile.close() self._save_index()
here=tfile.tell()+self._pos+self._thl
here=self._pos+(tfile.tell()+self._thl)
def commitVersion(self, src, dest, transaction, abort=None): # We are going to commit by simply storing back pointers.
seek(u64(t)+16)
seek(U64(t)+16)
def commitVersion(self, src, dest, transaction, abort=None): # We are going to commit by simply storing back pointers.
srcpos=u64(spos)
srcpos=U64(spos)
def commitVersion(self, src, dest, transaction, abort=None): # We are going to commit by simply storing back pointers.
if plen != z64: return read(u64(plen)), version, nv
if plen != z64: return read(U64(plen)), version, nv
def _loada(self, oid, _index, file): "Read any version and return the version" pos=_index[oid] file.seek(pos) read=file.read h=read(42) doid,serial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if vlen: nv = read(8) != z64 file.seek(8,1) # Skip previous version record pointer version=read(vlen) else: version='' nv=0
if plen != z64: return read(u64(plen)), serial
if plen != z64: return read(U64(plen)), serial
def _load(self, oid, version, _index, file): pos=_index[oid] file.seek(pos) read=file.read h=read(42) doid,serial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if doid != oid: raise CorruptedDataError, h if vlen: pnv=read(8) # Read location of non-version data if (not version or len(version) != vlen or (read(8) # ski...
pos=u64(prev)
pos=U64(prev)
def loadSerial(self, oid, serial): self._lock_acquire() try: _index=self._index file=self._file seek=file.seek read=file.read pos=_index[oid] while 1: seek(pos) h=read(42) doid,dserial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if doid != oid: raise CorruptedDataError, h if dserial == serial: break # Yeee ha! # Ke...
if plen != z64: return read(u64(plen))
if plen != z64: return read(U64(plen))
def loadSerial(self, oid, serial): self._lock_acquire() try: _index=self._index file=self._file seek=file.seek read=file.read pos=_index[oid] while 1: seek(pos) h=read(42) doid,dserial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if doid != oid: raise CorruptedDataError, h if dserial == serial: break # Yeee ha! # Ke...
here=tfile.tell()+pos+self._thl
here=pos+(tfile.tell()+self._thl)
def store(self, oid, serial, data, version, transaction): if transaction is not self._transaction: raise POSException.StorageTransactionError(self, transaction)
if quota is not None and tfile.tell()+pos+self._thl > quota:
if quota is not None and pos+(tfile.tell()+self._thl) > quota:
def store(self, oid, serial, data, version, transaction): if transaction is not self._transaction: raise POSException.StorageTransactionError(self, transaction)
self._nextpos=0 def tpc_vote(self, transaction): if transaction is not self._transaction: raise POSException.StorageTransactionError(self, transaction) self._lock_acquire() try: tfile=self._tfile dlen=tfile.tell() if not dlen: return file=self._file write=file.write tfile.seek(0) id=self._serial user, desc, ext = sel...
def _begin(self, tid, u, d, e): self._thl=23+len(u)+len(d)+len(e)
tfile=self._tfile dlen=tfile.tell() if not dlen: return
def _finish(self, tid, u, d, e): tfile=self._tfile dlen=tfile.tell() if not dlen: return # No data in this trans file=self._file write=file.write tfile.seek(0) id=self._serial user, desc, ext = self._ude
write=file.write tfile.seek(0) id=self._serial user, desc, ext = self._ude tlen=self._thl pos=self._pos file.seek(pos) tl=tlen+dlen stl=p64(tl) try: write(pack( ">8s" "8s" "c" "H" "H" "H" ,id, stl, 'c', len(user), len(desc), len(ext), )) if user: write(user) if desc: write(desc) if ext: write(ext) ...
file.seek(self._pos+16) file.write(self._tstatus) file.flush() if fsync is not None: fsync(file.fileno()) self._pos=self._nextpos
def _finish(self, tid, u, d, e): tfile=self._tfile dlen=tfile.tell() if not dlen: return # No data in this trans file=self._file write=file.write tfile.seek(0) id=self._serial user, desc, ext = self._ude
tid, tpos = transaction_id[:8], u64(transaction_id[8:])
tid, tpos = transaction_id[:8], U64(transaction_id[8:])
def undo(self, transaction_id): self._lock_acquire() try: self._clear_index() transaction_id=base64.decodestring(transaction_id+'==\n') tid, tpos = transaction_id[:8], u64(transaction_id[8:]) packt=self._packt if packt is None or packt > tid: raise POSException.UndoError, ( 'Undo is currently disabled for database main...
tl=u64(h[8:16])
tl=U64(h[8:16])
def undo(self, transaction_id): self._lock_acquire() try: self._clear_index() transaction_id=base64.decodestring(transaction_id+'==\n') tid, tpos = transaction_id[:8], u64(transaction_id[8:]) packt=self._packt if packt is None or packt > tid: raise POSException.UndoError, ( 'Undo is currently disabled for database main...
pos=tpos+23+ul+dl+el
pos=tpos+(23+ul+dl+el)
def undo(self, transaction_id): self._lock_acquire() try: self._clear_index() transaction_id=base64.decodestring(transaction_id+'==\n') tid, tpos = transaction_id[:8], u64(transaction_id[8:]) packt=self._packt if packt is None or packt > tid: raise POSException.UndoError, ( 'Undo is currently disabled for database main...
plen=u64(splen) prev=u64(sprev)
plen=U64(splen) prev=U64(sprev)
def undo(self, transaction_id): self._lock_acquire() try: self._clear_index() transaction_id=base64.decodestring(transaction_id+'==\n') tid, tpos = transaction_id[:8], u64(transaction_id[8:]) packt=self._packt if packt is None or packt > tid: raise POSException.UndoError, ( 'Undo is currently disabled for database main...
if vlen: dlen=dlen+16+vlen
if vlen: dlen=dlen+(16+vlen)
def undo(self, transaction_id): self._lock_acquire() try: self._clear_index() transaction_id=base64.decodestring(transaction_id+'==\n') tid, tpos = transaction_id[:8], u64(transaction_id[8:]) packt=self._packt if packt is None or packt > tid: raise POSException.UndoError, ( 'Undo is currently disabled for database main...
pos=pos-u64(read(8))-8
pos=pos-U64(read(8))-8
def undoLog(self, first, last, filter=None): self._lock_acquire() try: packt=self._packt if packt is None: raise POSException.UndoError, ( 'Undo is currently disabled for database maintenance.<p>') pos=self._pos if pos < 39: return [] file=self._file seek=file.seek read=file.read unpack=struct.unpack strip=string.strip...
seek(u64(t)+16)
seek(U64(t)+16)
def versionEmpty(self, version): self._lock_acquire() try: index=self._index file=self._file seek=file.seek read=file.read srcpos=self._vindex_get(version, 0) t=tstatus=None while srcpos: seek(srcpos) oid=read(8) if index[oid]==srcpos: return 0 h=read(50) # serial, prev(oid), tloc, vlen, plen, pnv, pv tloc=h[16:24] if ...
srcpos=u64(spos)
srcpos=U64(spos)
def versionEmpty(self, version): self._lock_acquire() try: index=self._index file=self._file seek=file.seek read=file.read srcpos=self._vindex_get(version, 0) t=tstatus=None while srcpos: seek(srcpos) oid=read(8) if index[oid]==srcpos: return 0 h=read(50) # serial, prev(oid), tloc, vlen, plen, pnv, pv tloc=h[16:24] if ...
prev=u64(prev)
prev=U64(prev)
def history(self, oid, version=None, length=1, filter=None): self._lock_acquire() try: r=[] file=self._file seek=file.seek read=file.read pos=self._index[oid] wantver=version
seek(u64(tloc))
seek(U64(tloc))
def history(self, oid, version=None, length=1, filter=None): self._lock_acquire() try: r=[] file=self._file seek=file.seek read=file.read pos=self._index[oid] wantver=version
if el < 0: el=t32-el
def history(self, oid, version=None, length=1, filter=None): self._lock_acquire() try: r=[] file=self._file seek=file.seek read=file.read pos=self._index[oid] wantver=version
d['size']=u64(plen)
d['size']=U64(plen)
def history(self, oid, version=None, length=1, filter=None): self._lock_acquire() try: r=[] file=self._file seek=file.seek read=file.read pos=self._index[oid] wantver=version
p=u64(file.read(8))
p=U64(file.read(8))
def _redundant_pack(self, file, pos): file.seek(pos-8) p=u64(file.read(8)) file.seek(pos-p+8) return file.read(1) not in ' u'
offset=0 pos=opos=4
offset=0L pos=opos=4L
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
if el < 0: el=t32-el tl=u64(stl)
tl=U64(stl)
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
plen=u64(splen)
plen=U64(splen)
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
dlen=dlen+16+vlen
dlen=dlen+(16+vlen)
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
pnv=u64(read(8))
pnv=U64(read(8))
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
p=u64(p)
p=U64(p)
def pack(self, t, referencesf): """Copy data from the current database file to a packed file Non-current records from transactions with time-stamp strings less than packtss are ommitted. As are all undone records. Also, data back pointers that point before packtss are resolved and the associated data are copied, sinc...
if el < 0: el=t32-el tl=u64(stl)
tl=U64(stl)
def shift_transactions_forward(index, vindex, tindex, file, pos, opos): """Copy transactions forward in the data file This might be done as part of a recovery effort """ # Cache a bunch of methods seek=file.seek read=file.read write=file.write tappend=tindex.append index_get=index.get vindex_get=vindex.get # Initia...
plen=u64(splen)
plen=U64(splen)
def shift_transactions_forward(index, vindex, tindex, file, pos, opos): """Copy transactions forward in the data file This might be done as part of a recovery effort """ # Cache a bunch of methods seek=file.seek read=file.read write=file.write tappend=tindex.append index_get=index.get vindex_get=vindex.get # Initia...
dlen=dlen+16+vlen pnv=u64(read(8))
dlen=dlen+(16+vlen) pnv=U64(read(8))
def shift_transactions_forward(index, vindex, tindex, file, pos, opos): """Copy transactions forward in the data file This might be done as part of a recovery effort """ # Cache a bunch of methods seek=file.seek read=file.read write=file.write tappend=tindex.append index_get=index.get vindex_get=vindex.get # Initia...
p=u64(p)
p=U64(p)
def shift_transactions_forward(index, vindex, tindex, file, pos, opos): """Copy transactions forward in the data file This might be done as part of a recovery effort """ # Cache a bunch of methods seek=file.seek read=file.read write=file.write tappend=tindex.append index_get=index.get vindex_get=vindex.get # Initia...
l=u64(read(8))
l=U64(read(8))
def search_back(file, pos): seek=file.seek read=file.read seek(0,2) s=p=file.tell() while p > pos: seek(p-8) l=u64(read(8)) if l <= 0: break p=p-l-8 return p, s
ltid=z64, start=4, maxoid=z64, recover=0):
ltid=z64, start=4L, maxoid=z64, recover=0):
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
return 4, maxoid, ltid
return 4L, maxoid, ltid
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
tpos=0
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
tl=u64(stl) if tl+pos+8 > file_size or status=='c':
tl=U64(stl) if pos+(tl+8) > file_size or status=='c':
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
rtl=u64(read(8))
rtl=U64(read(8))
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
if recover: return tpos, None, None
if recover: return pos, None, None
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
pos=tpos+23+ul+dl+el
pos=tpos+(23+ul+dl+el)
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
prev=u64(sprev) tloc=u64(stloc) plen=u64(splen)
prev=U64(sprev) tloc=U64(stloc) plen=U64(splen)
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
dlen=dlen+16+vlen
dlen=dlen+(16+vlen)
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
pv=u64(read(8))
pv=U64(read(8))
def read_index(file, name, index, vindex, tindex, stop='\377'*8, ltid=z64, start=4, maxoid=z64, recover=0): read=file.read seek=file.seek seek(0,2) file_size=file.tell() if file_size: if file_size < start: raise FileStorageFormatError, file.name seek(0) if read(4) != packed_version: raise FileStorageFormatError, name...
old=u64(back)
old=U64(back)
def _loadBack(file, oid, back): seek=file.seek read=file.read while 1: old=u64(back) if not old: raise KeyError, oid seek(old) h=read(42) doid,serial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if vlen: seek(vlen+16,1) if plen != z64: return read(u64(plen)), serial back=read(8) # We got a back pointer!
if plen != z64: return read(u64(plen)), serial
if plen != z64: return read(U64(plen)), serial
def _loadBack(file, oid, back): seek=file.seek read=file.read while 1: old=u64(back) if not old: raise KeyError, oid seek(old) h=read(42) doid,serial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if vlen: seek(vlen+16,1) if plen != z64: return read(u64(plen)), serial back=read(8) # We got a back pointer!
old=u64(back)
old=U64(back)
def _loadBackPOS(file, oid, back): seek=file.seek read=file.read while 1: old=u64(back) if not old: raise KeyError, oid seek(old) h=read(42) doid,serial,prev,tloc,vlen,plen = unpack(">8s8s8s8sH8s", h) if vlen: seek(vlen+16,1) if plen != z64: return old back=read(8) # We got a back pointer!
self._pos=4
self._pos=4L
def __init__(self, file): if type(file) is type(''): file=open(file, 'r+b') self._file=file if file.read(4) != packed_version: raise FileStorageFormatError, name file.seek(0,2) self._file_size=file.tell() self._pos=4
tl=u64(stl) if tl+pos+8 > self._file_size or status=='c':
tl=U64(stl) if pos+(tl+8) > self._file_size or status=='c':
def next(self, index=0): file=self._file seek=file.seek read=file.read pos=self._pos
rtl=u64(read(8))
rtl=U64(read(8))
def next(self, index=0): file=self._file seek=file.seek read=file.read pos=self._pos
warn("It appears that there is invalid data at the end of the " "file, possibly due to a system crash. %s truncated " "to recover from bad data at end."
warn("It appears that there is invalid data at the end of " "the file, possibly due to a system crash. %s " "truncated to recover from bad data at end."
def next(self, index=0): file=self._file seek=file.seek read=file.read pos=self._pos
pos=tpos+23+ul+dl+el
pos=tpos+(23+ul+dl+el)
def next(self, index=0): file=self._file seek=file.seek read=file.read pos=self._pos
prev=u64(sprev) tloc=u64(stloc) plen=u64(splen)
prev=U64(sprev) tloc=U64(stloc) plen=U64(splen)
def next(self, index=0): name='' pos = self._pos tend, file, seek, read, tpos = self._stuff while pos < tend: # Read the data records for this transaction
dlen=dlen+16+vlen
dlen=dlen+(16+vlen)
def next(self, index=0): name='' pos = self._pos tend, file, seek, read, tpos = self._stuff while pos < tend: # Read the data records for this transaction
pv=u64(read(8))
pv=U64(read(8))
def next(self, index=0): name='' pos = self._pos tend, file, seek, read, tpos = self._stuff while pos < tend: # Read the data records for this transaction
log("wait() async=%d" % self.is_async(), level=zLOG.TRACE)
log("wait(%d), async=%d" % (msgid, self.is_async()), level=zLOG.TRACE)
def wait(self, msgid): """Invoke asyncore mainloop and wait for reply.""" if __debug__: log("wait() async=%d" % self.is_async(), level=zLOG.TRACE) if self.is_async(): self.trigger.pull_trigger()
asyncore.poll(10.0, self._map)
if __debug__: log("wait(%d): asyncore.poll(%s)" % (msgid, delay), level=zLOG.TRACE) asyncore.poll(delay, self._map) if delay < 1.0: delay += delay
def wait(self, msgid): """Invoke asyncore mainloop and wait for reply.""" if __debug__: log("wait() async=%d" % self.is_async(), level=zLOG.TRACE) if self.is_async(): self.trigger.pull_trigger()
def testItemsNegativeIndex(self): L = [-3, 6, -11, 4] for i in L: self.t[i] = i L.sort() items = self.t.items() for i in range(-1, -4, -1): self.assertEqual(items[i], (L[i], L[i])) self.assertRaises(IndexError, lambda: items[-5])
def testItemsWorks(self): for x in range(100): self.t[x] = 2*x v = self.t.items() i = 0 for x in v: self.assertEqual(x[0], i) self.assertEqual(x[1], 2*i) i += 1
zLOG.LOG(label or _label, level, message, error=error)
label = label or _label if LOG_THREAD_ID: label = "%s:%s" % (label, threading.currentThread().getName()) zLOG.LOG(label, level, message, error=error)
def log(message, level=zLOG.BLATHER, label=None, error=None): zLOG.LOG(label or _label, level, message, error=error)
return
def checkSize(self): # XXX need to fix return self.assertEqual(self.db.cacheSize(), 0) self.assertEqual(self.db.cacheDetailSize(), [])
self.assertEquals(self.db.cacheSize(), CACHE_SIZE * CONNS) details = self.db.cacheDetailSize() self.assertEquals(len(details), CONNS) for d in details: self.assertEquals(d['ngsize'], CACHE_SIZE) self.assertEquals(d['size'], CACHE_SIZE + 1)
self.assertEquals(self.db.cacheSize(), 0)
def checkSize(self): # XXX need to fix return self.assertEqual(self.db.cacheSize(), 0) self.assertEqual(self.db.cacheDetailSize(), [])
return
def checkDetail(self): # XXX need to fix return CACHE_SIZE = 10 self.db.setCacheSize(CACHE_SIZE)
for klass, count in self.db.cacheDetail(): print klass, count if klass.endswith('MinPO'): self.assertEqual(count, CONNS * CACHE_SIZE) if klass.endswith('PersistentMapping'): self.assertEqual(count, CONNS)
[(klass, count)] = self.db.cacheDetail() self.assertEqual(klass, "Persistence.PersistentMapping") self.assertEqual(count, CONNS)
def checkDetail(self): # XXX need to fix return CACHE_SIZE = 10 self.db.setCacheSize(CACHE_SIZE)