async def setTagProp(self, tag, name, valu):
'''
Set the value of the given tag property.
'''
if not self.hasTag(tag):
await self.addTag(tag)
prop = self.snap.core.model.getTagProp(name)
if prop is None:
raise s_exc.NoSuchTagProp(
mesg='Tag prop does not exist in this Cortex.', name=name)
try:
norm, info = prop.type.norm(valu)
except Exception as e:
mesg = f'Bad property value: #{tag}:{prop.name}={valu!r}'
return await self.snap._raiseOnStrict(s_exc.BadTypeValu,
mesg,
name=prop.name,
valu=valu,
emesg=str(e))
edits = ((s_layer.EDIT_TAGPROP_SET, (tag, name, norm, None,
prop.type.stortype), ()), )
await self.snap.applyNodeEdit((self.buid, self.form.name, edits))
props = self.tagprops.get(tag)
if props is None:
props = self.tagprops[tag] = {}
props[name] = norm
async def nodesByTagProp(self, form, tag, name):
prop = self.core.model.getTagProp(name)
if prop is None:
mesg = f'No tag property named {name}'
raise s_exc.NoSuchTagProp(name=name, mesg=mesg)
for layr in self.layers:
genr = layr.liftByTagProp(form, tag, name)
async for node in self._joinStorGenr(layr, genr):
yield node
async def nodesByTagProp(self, form, tag, name):
prop = self.core.model.getTagProp(name)
if prop is None:
mesg = f'No tag property named {name}'
raise s_exc.NoSuchTagProp(name=name, mesg=mesg)
async for (buid,
sodes) in self.core._liftByTagProp(form, tag, name,
self.layers):
node = await self._joinSodes(buid, sodes)
if node is not None:
yield node
async def delTagProp(self, tag, name):
prop = self.snap.core.model.getTagProp(name)
if prop is None:
raise s_exc.NoSuchTagProp(name=name)
curv = self.tagprops.get((tag, name), s_common.novalu)
if curv is s_common.novalu:
return False
edits = ((s_layer.EDIT_TAGPROP_DEL, (tag, name, None,
prop.type.stortype), ()), )
await self.snap.applyNodeEdit((self.buid, self.form.name, edits))
async def nodesByTagPropValu(self, form, tag, name, cmpr, valu):
prop = self.core.model.getTagProp(name)
if prop is None:
mesg = f'No tag property named {name}'
raise s_exc.NoSuchTagProp(name=name, mesg=mesg)
cmprvals = prop.type.getStorCmprs(cmpr, valu)
# an empty return probably means ?= with invalid value
if not cmprvals:
return
async for (buid, sodes) in self.core._liftByTagPropValu(
form, tag, name, cmprvals, self.layers):
node = await self._joinSodes(buid, sodes)
if node is not None:
yield node
async def nodesByTagPropValu(self, form, tag, name, cmpr, valu):
prop = self.core.model.getTagProp(name)
if prop is None:
mesg = f'No tag property named {name}'
raise s_exc.NoSuchTagProp(name=name, mesg=mesg)
cmprvals = prop.type.getStorCmprs(cmpr, valu)
# an empty return probably means ?= with invalid value
if not cmprvals:
return
for layr in self.layers:
genr = layr.liftByTagPropValu(form, tag, name, cmprvals)
async for node in self._joinStorGenr(layr, genr):
if node.bylayer['tagprops'].get((tag, prop.name)) != layr:
continue
yield node
async def _getNodesByTagProp(self,
name,
tag=None,
form=None,
valu=None,
cmpr='='):
prop = self.model.getTagProp(name)
if prop is None:
mesg = f'No tag property named {name}'
raise s_exc.NoSuchTagProp(name=name, mesg=mesg)
cmpf = prop.type.getLiftHintCmpr(valu, cmpr=cmpr)
full = f'#{tag}:{name}'
lops = (('tag:prop', {'form': form, 'tag': tag, 'prop': name}), )
if valu is not None:
lops[0][1]['iops'] = prop.type.getIndxOps(valu, cmpr)
async for row, node in self.getLiftNodes(lops, full, cmpf=cmpf):
yield node
async def setTagProp(self, tag, name, valu):
'''
Set the value of the given tag property.
'''
if not self.hasTag(tag):
await self.addTag(tag)
prop = self.snap.model.getTagProp(name)
if prop is None:
raise s_exc.NoSuchTagProp(name=name)
try:
norm, info = prop.type.norm(valu)
except Exception as e:
mesg = f'Bad property value: #{tag}:{prop.name}={valu!r}'
return await self.snap._raiseOnStrict(s_exc.BadPropValu,
mesg,
name=prop.name,
valu=valu,
emesg=str(e))
indx = prop.type.indx(norm)
tagkey = (tag, name)
curv = self.tagprops.get(tagkey)
sops = (('tag:prop:set', (self.buid, self.form.name, tag, prop.name,
norm, indx, {})), )
splices = (self.snap.splice('tag:prop:set',
ndef=self.ndef,
tag=tag,
prop=prop.name,
valu=norm,
curv=curv), )
await self.snap.stor(sops, splices)
self.tagprops[tagkey] = norm
