def on_metadata_requested(self, location: Location) -> None:
if self._close:
return
abspath = self.vfs.get_stdio_name(location)
cached_metadata = self.cache.retrieve_metadata(abspath)
try:
stat = os.lstat(abspath)
metadata: Dict[str, Any] = {}
except FileNotFoundError as err:
error_message = "".join(
traceback.format_exception(etype=type(err),
value=err,
tb=err.__traceback__))
metadata = {
'location': location.as_url(),
'path': abspath,
'mtime': 0,
'type': "error",
'error_message': error_message
}
self.sig_metadata_ready.emit(location, metadata)
else:
if cached_metadata is not None and \
(("mtime" in cached_metadata) and (stat.st_mtime == cached_metadata["mtime"])):
self.sig_metadata_ready.emit(location, cached_metadata)
else:
try:
metadata.update(
self._create_generic_metadata(location, abspath))
metadata.update(
self._create_type_specific_metadata(location, abspath))
except Exception as err:
error_message = "".join(
traceback.format_exception(etype=type(err),
value=err,
tb=err.__traceback__))
metadata = {
'location': location.as_url(),
'path': abspath,
'mtime': stat.st_mtime,
'type': "error",
'error_message': error_message
}
self.cache.store_metadata(abspath, metadata)
self.sig_metadata_ready.emit(location, metadata)
def on_metadata_requested(self, location: Location) -> None:
if self._close:
return
abspath = self.vfs.get_stdio_name(location)
cached_metadata = self.cache.retrieve_metadata(abspath)
try:
stat = os.lstat(abspath)
metadata: Dict[str, Any] = {}
except FileNotFoundError as err:
error_message = "".join(traceback.format_exception(etype=type(err),
value=err,
tb=err.__traceback__))
metadata = {
'location': location.as_url(),
'path': abspath,
'mtime': 0,
'type': "error",
'error_message': error_message
}
self.sig_metadata_ready.emit(location, metadata)
else:
if cached_metadata is not None and \
(("mtime" in cached_metadata) and (stat.st_mtime == cached_metadata["mtime"])):
self.sig_metadata_ready.emit(location, cached_metadata)
else:
try:
metadata.update(self._create_generic_metadata(location, abspath))
metadata.update(self._create_type_specific_metadata(location, abspath))
except Exception as err:
error_message = "".join(traceback.format_exception(etype=type(err),
value=err,
tb=err.__traceback__))
metadata = {
'location': location.as_url(),
'path': abspath,
'mtime': stat.st_mtime,
'type': "error",
'error_message': error_message
}
self.cache.store_metadata(abspath, metadata)
self.sig_metadata_ready.emit(location, metadata)
def append(self, location: Location) -> None:
insertion_time = time.time()
c = self._db.cursor()
c.execute("BEGIN")
group_id = (c.execute("SELECT max(group_id) FROM history").fetchone()[0] or 0) + 1
c.execute("INSERT INTO history (group_id, date, location) VALUES (?, ?, ?)",
(group_id, insertion_time, location.as_url()))
c.execute("COMMIT")
self._db.commit()
def _create_generic_metadata(self, location: Location, abspath: str) -> Dict[str, Any]:
metadata: Dict[str, Any] = {}
metadata['location'] = location.as_url()
metadata['path'] = abspath
stat = os.lstat(abspath)
metadata['mtime'] = stat.st_mtime
return metadata
def _create_generic_metadata(self, location: Location,
abspath: str) -> Dict[str, Any]:
metadata: Dict[str, Any] = {}
metadata['location'] = location.as_url()
metadata['path'] = abspath
stat = os.lstat(abspath)
metadata['mtime'] = stat.st_mtime
return metadata
def append(self, location: Location) -> None:
insertion_time = time.time()
c = self._db.cursor()
c.execute("BEGIN")
group_id = (
c.execute("SELECT max(group_id) FROM history").fetchone()[0]
or 0) + 1
c.execute(
"INSERT INTO history (group_id, date, location) VALUES (?, ?, ?)",
(group_id, insertion_time, location.as_url()))
c.execute("COMMIT")
self._db.commit()