Read at most size bytes from the chunk. If size is omitted or negative, read until the end of the chunk.
(self, size=-1)
| 162 | return self.size_read |
| 163 | |
| 164 | def read(self, size=-1): |
| 165 | """Read at most size bytes from the chunk. |
| 166 | If size is omitted or negative, read until the end |
| 167 | of the chunk. |
| 168 | """ |
| 169 | |
| 170 | if self.closed: |
| 171 | raise ValueError("I/O operation on closed file") |
| 172 | if self.size_read >= self.chunksize: |
| 173 | return b'' |
| 174 | if size < 0: |
| 175 | size = self.chunksize - self.size_read |
| 176 | if size > self.chunksize - self.size_read: |
| 177 | size = self.chunksize - self.size_read |
| 178 | data = self.file.read(size) |
| 179 | self.size_read = self.size_read + len(data) |
| 180 | if self.size_read == self.chunksize and \ |
| 181 | self.align and \ |
| 182 | (self.chunksize & 1): |
| 183 | dummy = self.file.read(1) |
| 184 | self.size_read = self.size_read + len(dummy) |
| 185 | return data |
| 186 | |
| 187 | def skip(self): |
| 188 | """Skip the rest of the chunk. |
no outgoing calls
no test coverage detected