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Griatch 2020-01-18 00:15:02 +01:00
parent 5e5f3efc24
commit db17ece61b
4 changed files with 73 additions and 45 deletions
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59
evennia/commands/default/building.py
View file

@ -2650,40 +2650,46 @@ class CmdFind(COMMAND_DEFAULT_CLASS):
switches.append("loc")
searchstring = self.lhs
try:
# Try grabbing the actual min/max id values by database aggregation
qs = ObjectDB.objects.values('id').aggregate(low=Min('id'), high=Max('id'))
qs = ObjectDB.objects.values("id").aggregate(low=Min("id"), high=Max("id"))
low, high = sorted(qs.values())
if not (low and high):
raise ValueError(f"{self.__class__.__name__}: Min and max ID not returned by aggregation; falling back to queryset slicing.")
raise ValueError(
f"{self.__class__.__name__}: Min and max ID not returned by aggregation; falling back to queryset slicing."
)
except Exception as e:
logger.log_trace(e)
# If that doesn't work for some reason (empty DB?), guess the lower
# If that doesn't work for some reason (empty DB?), guess the lower
# bound and do a less-efficient query to find the upper.
low, high = 1, ObjectDB.objects.all().order_by("-id").first().id
if self.rhs:
try:
# Check that rhs is either a valid dbref or dbref range
bounds = tuple(sorted(dbref(x, False) for x in re.split('[-\s]+', self.rhs.strip())))
bounds = tuple(
sorted(dbref(x, False) for x in re.split("[-\s]+", self.rhs.strip()))
)
# dbref() will return either a valid int or None
assert bounds
# None should not exist in the bounds list
assert None not in bounds
low = bounds[0]
if len(bounds) > 1:
high = bounds[-1]
except AssertionError:
caller.msg("Invalid dbref range provided (not a number).")
return
except IndexError as e:
logger.log_err(f"{self.__class__.__name__}: Error parsing upper and lower bounds of query.")
logger.log_err(
f"{self.__class__.__name__}: Error parsing upper and lower bounds of query."
)
logger.log_trace(e)
low = min(low, high)
high = max(low, high)
@ -2754,36 +2760,45 @@ class CmdFind(COMMAND_DEFAULT_CLASS):
# Keep the initial queryset handy for later reuse
result_qs = ObjectDB.objects.filter(keyquery | aliasquery).distinct()
nresults = result_qs.count()
# Use iterator to minimize memory ballooning on large result sets
results = result_qs.iterator()
# Check and see if type filtering was requested; skip it if not
if any(x in switches for x in ("room", "exit", "char")):
obj_ids = set()
for obj in results:
if ("room" in switches and inherits_from(obj, ROOM_TYPECLASS)) \
or ("exit" in switches and inherits_from(obj, EXIT_TYPECLASS)) \
or ("char" in switches and inherits_from(obj, CHAR_TYPECLASS)):
if (
("room" in switches and inherits_from(obj, ROOM_TYPECLASS))
or ("exit" in switches and inherits_from(obj, EXIT_TYPECLASS))
or ("char" in switches and inherits_from(obj, CHAR_TYPECLASS))
):
obj_ids.add(obj.id)
# Filter previous queryset instead of requesting another
filtered_qs = result_qs.filter(id__in=obj_ids).distinct()
nresults = filtered_qs.count()
# Use iterator again to minimize memory ballooning
results = filtered_qs.iterator()
# still results after type filtering?
if nresults:
if nresults > 1: header = f'{nresults} Matches'
else: header = 'One Match'
if nresults > 1:
header = f"{nresults} Matches"
else:
header = "One Match"
string = f"|w{header}|n(#{low}-#{high}{restrictions}):"
res = None
for res in results:
string += f"\n |g{res.get_display_name(caller)} - {res.path}|n"
if "loc" in self.switches and nresults == 1 and res and getattr(res, 'location', None):
if (
"loc" in self.switches
and nresults == 1
and res
and getattr(res, "location", None)
):
string += f" (|wlocation|n: |g{res.location.get_display_name(caller)}|n)"
else:
string = f"|wNo Matches|n(#{low}-#{high}{restrictions}):"

6
evennia/commands/default/system.py
View file

@ -598,7 +598,11 @@ class CmdObjects(COMMAND_DEFAULT_CLASS):
typetable.align = "l"
dbtotals = ObjectDB.objects.get_typeclass_totals()
for stat in dbtotals:
typetable.add_row(stat.get('typeclass', '<error>'), stat.get('count', -1), "%.2f" % stat.get('percent', -1))
typetable.add_row(
stat.get("typeclass", "<error>"),
stat.get("count", -1),
"%.2f" % stat.get("percent", -1),
)
# last N table
objs = ObjectDB.objects.all().order_by("db_date_created")[max(0, nobjs - nlim) :]

17
evennia/commands/default/tests.py
View file

@ -1042,20 +1042,23 @@ class TestBuilding(CommandTest):
self.call(building.CmdFind(), "/room Obj", "No Matches")
self.call(building.CmdFind(), "/exit Obj", "No Matches")
self.call(building.CmdFind(), "/exact Obj", "One Match")
# Test multitype filtering
with mock.patch('evennia.commands.default.building.CHAR_TYPECLASS', 'evennia.objects.objects.DefaultCharacter'):
with mock.patch(
"evennia.commands.default.building.CHAR_TYPECLASS",
"evennia.objects.objects.DefaultCharacter",
):
self.call(building.CmdFind(), "/char/room Obj", "No Matches")
self.call(building.CmdFind(), "/char/room/exit Char", "2 Matches")
self.call(building.CmdFind(), "/char/room/exit/startswith Cha", "2 Matches")
# Test null search
self.call(building.CmdFind(), "=", "Usage: ")
# Test bogus dbref range with no search term
self.call(building.CmdFind(), "= obj", "Invalid dbref range provided (not a number).")
self.call(building.CmdFind(), "= #1a", "Invalid dbref range provided (not a number).")
# Test valid dbref ranges with no search term
self.call(building.CmdFind(), "=#1", "7 Matches(#1-#7)")
self.call(building.CmdFind(), "=1-2", "2 Matches(#1-#2):")
@ -1063,7 +1066,7 @@ class TestBuilding(CommandTest):
self.call(building.CmdFind(), "=1- #2", "2 Matches(#1-#2):")
self.call(building.CmdFind(), "=1-#2", "2 Matches(#1-#2):")
self.call(building.CmdFind(), "=#1-2", "2 Matches(#1-#2):")
def test_script(self):
self.call(building.CmdScript(), "Obj = ", "No scripts defined on Obj")
self.call(
@ -1500,4 +1503,4 @@ class TestSystemCommands(CommandTest):
mock_channeldb.objects.get_channel = mock.MagicMock(return_value=channel)
self.call(syscommands.SystemSendToChannel(), "public:Hello")
channel.msg.assert_called()
channel.msg.assert_called()

36
evennia/typeclasses/managers.py
View file

@ -484,7 +484,7 @@ class TypedObjectManager(idmapper.manager.SharedMemoryManager):
if max_dbref is not None:
retval = retval.filter(id__lte=self.dbref(max_dbref, reqhash=False))
return retval
def get_typeclass_totals(self, *args, **kwargs) -> object:
"""
Returns a queryset of typeclass composition statistics.
@ -495,18 +495,24 @@ class TypedObjectManager(idmapper.manager.SharedMemoryManager):
the percentage of objects associated with the typeclass.
"""
return self.values('db_typeclass_path').distinct().annotate(
# Get count of how many objects for each typeclass exist
count=Count('db_typeclass_path')
).annotate(
# Rename db_typeclass_path field to something more human
typeclass=F('db_typeclass_path'),
# Calculate this class' percentage of total composition
percent=ExpressionWrapper(
((F('count') / float(self.count())) * 100.0), output_field=FloatField()
),
).values('typeclass', 'count', 'percent')
return (
self.values("db_typeclass_path")
.distinct()
.annotate(
# Get count of how many objects for each typeclass exist
count=Count("db_typeclass_path")
)
.annotate(
# Rename db_typeclass_path field to something more human
typeclass=F("db_typeclass_path"),
# Calculate this class' percentage of total composition
percent=ExpressionWrapper(
((F("count") / float(self.count())) * 100.0), output_field=FloatField()
),
)
.values("typeclass", "count", "percent")
)
def object_totals(self):
"""
Get info about database statistics.
@ -518,8 +524,8 @@ class TypedObjectManager(idmapper.manager.SharedMemoryManager):
object having that typeclass set on themselves).
"""
stats = self.get_typeclass_totals().order_by('typeclass')
return {x.get('typeclass'):x.get('count') for x in stats}
stats = self.get_typeclass_totals().order_by("typeclass")
return {x.get("typeclass"): x.get("count") for x in stats}
def typeclass_search(self, typeclass, include_children=False, include_parents=False):
"""