def load_text_file(item: KeyValueArg) -> str:
path = item.value
try:
with open(os.path.expanduser(path), 'rb') as f:
return f.read().decode()
except IOError as e:
raise ParseError('"%s": %s' % (item.orig, e))
except UnicodeDecodeError:
raise ParseError('"%s": cannot embed the content of "%s",'
' not a UTF8 or ASCII-encoded text file' %
(item.orig, item.value))
def parse_file_item_chunked(arg: KeyValueArg):
fn = arg.value
try:
f = open(os.path.expanduser(fn), 'rb')
except IOError as e:
raise ParseError('"%s": %s' % (arg.orig, e))
return os.path.basename(fn), f, get_content_type(fn)
def process_empty_header_arg(arg: KeyValueArg) -> str:
if arg.value:
raise ParseError(
'Invalid item "%s" '
'(to specify an empty header use `Header;`)'
% arg.orig
)
return arg.value
def process_file_upload_arg(arg: KeyValueArg) -> Tuple[str, IO, str]:
filename = arg.value
try:
with open(os.path.expanduser(filename), 'rb') as f:
contents = f.read()
except IOError as e:
raise ParseError('"%s": %s' % (arg.orig, e))
return (
os.path.basename(filename),
BytesIO(contents),
get_content_type(filename),
)
def process_file_upload_arg(arg: KeyValueArg) -> Tuple[str, IO, str]:
parts = arg.value.split(SEPARATOR_FILE_UPLOAD_TYPE)
filename = parts[0]
mime_type = parts[1] if len(parts) > 1 else None
try:
f = open(os.path.expanduser(filename), 'rb')
except IOError as e:
raise ParseError('"%s": %s' % (arg.orig, e))
return (
os.path.basename(filename),
f,
mime_type or get_content_type(filename),
)
def load_json(arg: KeyValueArg, contents: str) -> JSONType:
try:
return load_json_preserve_order(contents)
except ValueError as e:
raise ParseError('"%s": %s' % (arg.orig, e))