def onfile(self, **kwargs):
"""
Derives metadata from for a file from 101repo. Called when a file was
added or changed, or if the entire repo is walked to re-derive all
files.
"""
self.cleandump(kwargs["relative"])
units = []
for value in self.rules:
rule = value["rule"]
result = self.match(rule, **kwargs)
if result is not None and "metadata" in rule:
for metadata in tolist(rule["metadata"]):
result["metadata"] = metadata
units.append(result.copy())
# TODO fix this dominator code
keys = []
for unit in units:
metadata = unit["metadata"]
if "dominator" in metadata:
keys.append(metadata["dominator"])
removals = []
for key in keys:
for unit in units:
metadata = unit["metadata"]
if key in metadata \
and ("dominator" not in metadata
or metadata["dominator"] != key):
removals.append(unit)
survivals = []
for unit in units:
if not unit in removals:
survivals.append(unit)
units = survivals
if units:
incremental101.writejson(kwargs["target"], units)
self.matches[kwargs["relative"]] = units
else:
incremental101.deletefile(kwargs["target"])
def doline(*args):
inc.outstream = StringIO()
inc.deletefile(*args)
return inc.outstream.getvalue()
def ondelete(self, target, relative, **kwargs):
"""
Removes all traces of a deleted primary resource created by this phase.
"""
incremental101.deletefile(target)
self.cleandump(relative)
