def to_json(self,
filename: str = None,
encoding: str = 'utf-8',
errors: str = 'strict',
multiline: bool = False,
**json_kwargs):
"""
Transform the BoxList object into a JSON string.
:param filename: If provided will save to file
:param encoding: File encoding
:param errors: How to handle encoding errors
:param multiline: Put each item in list onto it's own line
:param json_kwargs: additional arguments to pass to json.dump(s)
:return: string of JSON or return of `json.dump`
"""
if filename and multiline:
lines = [
_to_json(item,
filename=False,
encoding=encoding,
errors=errors,
**json_kwargs) for item in self
]
with open(filename, 'w', encoding=encoding, errors=errors) as f:
f.write("\n".join(lines))
else:
return _to_json(self.to_list(),
filename=filename,
encoding=encoding,
errors=errors,
**json_kwargs)
def test_to_json(self):
m_file = os.path.join(tmp_dir, "movie_data")
movie_string = _to_json(movie_data)
assert "Rick Moranis" in movie_string
_to_json(movie_data, filename=m_file)
assert "Rick Moranis" in open(m_file).read()
assert json.load(open(m_file)) == json.loads(movie_string)
def to_json(
self, filename: Union[str, PathLike] = None, encoding: str = "utf-8", errors: str = "strict", **json_kwargs
):
"""
Transform the Box object into a JSON string.
:param filename: If provided will save to file
:param encoding: File encoding
:param errors: How to handle encoding errors
:param json_kwargs: additional arguments to pass to json.dump(s)
:return: string of JSON (if no filename provided)
"""
return _to_json(self.to_dict(), filename=filename, encoding=encoding, errors=errors, **json_kwargs)
