| 45 | |
| 46 | |
| 47 | def iter_resp_lines(resp): |
| 48 | buffer = bytearray() |
| 49 | for segment in resp.stream(amt=None, decode_content=False): |
| 50 | |
| 51 | # Append the segment (chunk) to the buffer |
| 52 | # |
| 53 | # Performance note: depending on contents of buffer and the type+value of segment, |
| 54 | # encoding segment into the buffer could be a wasteful step. The approach used here |
| 55 | # simplifies the logic farther down, but in the future it may be reasonable to |
| 56 | # sacrifice readability for performance. |
| 57 | if isinstance(segment, bytes): |
| 58 | buffer.extend(segment) |
| 59 | elif isinstance(segment, str): |
| 60 | buffer.extend(segment.encode("utf-8")) |
| 61 | else: |
| 62 | raise TypeError( |
| 63 | f"Received invalid segment type, {type(segment)}, from stream. Accepts only 'str' or 'bytes'.") |
| 64 | |
| 65 | # Split by newline (safe for utf-8 because multi-byte sequences cannot contain the newline byte) |
| 66 | next_newline = buffer.find(b'\n') |
| 67 | while next_newline != -1: |
| 68 | # Convert bytes to a valid utf-8 string, replacing any invalid utf-8 with the '�' character |
| 69 | line = buffer[:next_newline].decode( |
| 70 | "utf-8", errors="replace") |
| 71 | buffer = buffer[next_newline+1:] |
| 72 | if line: |
| 73 | yield line |
| 74 | else: |
| 75 | yield '' # Only print one empty line |
| 76 | next_newline = buffer.find(b'\n') |
| 77 | |
| 78 | |
| 79 | class Watch: |