def meta_filter(self, files, meta_exp):
#print("meta_filter: args:", args)
if meta_exp is not None:
out = []
for f in files:
#print("_FileEvaluator.meta_filter: f:", f, f.Metadata)
if self.evaluate_meta_expression(f, meta_exp):
out.append(f)
return DBFileSet(self.DB, out)
return DBFileSet(
self.DB,
(f
for f in files if self.evaluate_meta_expression(f, meta_exp)))
else:
return files
def meta_filter(self, args, meta):
assert len(args) == 1
#print("meta_filter: args:", args)
files = args[0]
meta_exp = meta
#print("Evaluator.meta_filter: files:", files, " meta_exp:", None if meta_exp is None else meta_exp.pretty())
if meta_exp is not None:
out = []
for f in files:
#print("_FileEvaluator.meta_filter: f:", f, f.Metadata)
if self.evaluate_meta_expression(f, meta_exp):
out.append(f)
return DBFileSet(self.DB, out)
return DBFileSet(self.DB, (f for f in files if self.evaluate_meta_expression(f, meta_exp)))
else:
return files
def filter(self, *inputs, name=None, params=[]):
#print("Evaluator.filter: inputs:", inputs)
assert name is not None
filter_function = self.Filters[name]
return DBFileSet(self.DB, filter_function(inputs, params))
def join(self, *args):
return DBFileSet.join(self.DB, args)
def union(self, *args):
#print("Evaluator.union: args:", args)
return DBFileSet.union(self.DB, args)
def basic_file_query(self, *args, query=None):
assert isinstance(query, BasicFileQuery)
#print("_FileEvaluator:basic_file_query: q.WithMeta:", meta.WithMeta)
return DBFileSet.from_basic_query(self.DB, query, self.WithMeta
or query.WithMeta, self.Limit)
def filter(self, args, meta):
name, params = meta
inputs = args
#print("Evaluator.filter: inputs:", inputs)
filter_function = self.Filters[name]
return DBFileSet(self.DB, filter_function(inputs, params))
def join(self, args, meta):
return DBFileSet.join(self.DB, args)