Make BufferError message more useful

This commit is contained in:
Lonami Exo 2017-09-18 11:45:08 +02:00
parent 0235fce99c
commit 200d1d67be

View File

@ -23,6 +23,7 @@ class BinaryReader:
'Either bytes or a stream must be provided')
self.reader = BufferedReader(self.stream)
self._last = None # Should come in handy to spot -404 errors
# region Reading
@ -57,8 +58,12 @@ class BinaryReader:
"""Read the given amount of bytes"""
result = self.reader.read(length)
if len(result) != length:
raise BufferError('No more data left to read')
raise BufferError(
'No more data left to read (need {}, got {}: {}); last read {}'
.format(length, len(result), repr(result), repr(self._last))
)
self._last = result
return result
def get_bytes(self):