Callback-based HTTP/1.1 parser (pure Python fallback). Mirrors H1CProtocol interface for seamless switching between the C extension and pure Python implementations. Callbacks: on_message_begin: () -> None - Called when request starts on_url: (url: bytes) -> None - Calle
| 104 | |
| 105 | |
| 106 | class PythonProtocol: |
| 107 | """Callback-based HTTP/1.1 parser (pure Python fallback). |
| 108 | |
| 109 | Mirrors H1CProtocol interface for seamless switching between |
| 110 | the C extension and pure Python implementations. |
| 111 | |
| 112 | Callbacks: |
| 113 | on_message_begin: () -> None - Called when request starts |
| 114 | on_url: (url: bytes) -> None - Called with request URL/path |
| 115 | on_header: (name: bytes, value: bytes) -> None - Called for each header |
| 116 | on_headers_complete: () -> bool - Called when headers done (return True to skip body) |
| 117 | on_body: (chunk: bytes) -> None - Called with body data chunks |
| 118 | on_message_complete: () -> None - Called when request is complete |
| 119 | """ |
| 120 | |
| 121 | __slots__ = ( |
| 122 | '_on_message_begin', '_on_url', '_on_header', |
| 123 | '_on_headers_complete', '_on_body', '_on_message_complete', |
| 124 | '_state', '_buffer', '_headers_list', |
| 125 | 'method', 'path', 'http_version', 'headers', |
| 126 | 'content_length', 'is_chunked', 'should_keep_alive', 'is_complete', |
| 127 | '_body_remaining', '_skip_body', |
| 128 | '_chunk_state', '_chunk_size', '_chunk_remaining', |
| 129 | '_limit_request_line', '_limit_request_fields', '_limit_request_field_size', |
| 130 | '_permit_unconventional_http_method', '_permit_unconventional_http_version', |
| 131 | '_header_count', |
| 132 | '_proxy_protocol', '_proxy_protocol_info', '_proxy_protocol_done', |
| 133 | ) |
| 134 | |
| 135 | def __init__( |
| 136 | self, |
| 137 | on_message_begin=None, |
| 138 | on_url=None, |
| 139 | on_header=None, |
| 140 | on_headers_complete=None, |
| 141 | on_body=None, |
| 142 | on_message_complete=None, |
| 143 | limit_request_line=8190, |
| 144 | limit_request_fields=100, |
| 145 | limit_request_field_size=8190, |
| 146 | permit_unconventional_http_method=False, |
| 147 | permit_unconventional_http_version=False, |
| 148 | proxy_protocol='off', |
| 149 | ): |
| 150 | self._on_message_begin = on_message_begin |
| 151 | self._on_url = on_url |
| 152 | self._on_header = on_header |
| 153 | self._on_headers_complete = on_headers_complete |
| 154 | self._on_body = on_body |
| 155 | self._on_message_complete = on_message_complete |
| 156 | |
| 157 | # Store limits |
| 158 | self._limit_request_line = limit_request_line |
| 159 | self._limit_request_fields = limit_request_fields |
| 160 | self._limit_request_field_size = limit_request_field_size |
| 161 | self._permit_unconventional_http_method = permit_unconventional_http_method |
| 162 | self._permit_unconventional_http_version = permit_unconventional_http_version |
| 163 | self._header_count = 0 |
no outgoing calls