def _sort(self, objects, depsfn=None):
g = {}
for obj in objects:
this_item = g[obj.name] = {'item': obj, 'merge': [], 'deps': []}
if depsfn is not None:
deps = depsfn(obj)
for dep in deps:
this_item['deps'].append(dep.name)
g[dep.name] = {'item': dep, 'merge': [], 'deps': []}
if obj.bases:
g[obj.name]['deps'].extend(b.name for b in obj.bases)
for base in obj.bases:
if base.name.module != obj.name.module:
g[base.name] = {'item': base, 'merge': [], 'deps': []}
if not g:
return ordered.OrderedSet()
item = next(iter(g.values()))['item']
modname = item.name.module
objs = topological.sort(g)
return ordered.OrderedSet(
filter(lambda obj: obj.name.module == modname, objs))
def sort_subcommands_by_type(self):
def _key(c):
if isinstance(c, CreateObject):
return 0
else:
return 2
self.ops = ordered.OrderedSet(sorted(self.ops, key=_key))
def iter_columns(self, writable_only=False, only_self=False):
cols = collections.OrderedDict()
cols.update((c.name, c) for c in self._columns
if not writable_only or not c.readonly)
if not only_self:
for c in reversed(self.bases):
cols.update((name, bc) for name, bc in c.columns.items()
if not writable_only or not bc.readonly)
return ordered.OrderedSet(cols.values())
def __init__(self,
name,
table_name,
unique=True,
expr=None,
predicate=None,
inherit=False,
metadata=None,
columns=None):
super().__init__(inherit=inherit, metadata=metadata)
assert table_name[1] != 'feature'
self.name = name
self.table_name = table_name
self._columns = ordered.OrderedSet()
if columns:
self.add_columns(columns)
self.predicate = predicate
self.unique = unique
self.expr = expr
if self.name_in_catalog != self.name:
self.add_metadata('fullname', self.name)
def copy(self):
result = super().copy()
result.ops = ordered.OrderedSet(op.copy() for op in self.ops)
result.before_ops = ordered.OrderedSet(op.copy()
for op in self.before_ops)
return result
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ops = ordered.OrderedSet()
self.before_ops = ordered.OrderedSet()
def __init__(self, deltas):
self.deltas = ordered.OrderedSet(deltas)
def __init__(self, name, columns=None):
super().__init__()
self.name = name
self._columns = ordered.OrderedSet()
self.add_columns(columns or [])
def __init__(self, name, *, columns=None, bases=None, constraints=None):
self.constraints = ordered.OrderedSet(constraints or [])
self.bases = ordered.OrderedSet(bases or [])
self.data = []
super().__init__(name, columns=columns)