requirement_details = AT URL (WS requirement_marker?)? | specifier WS? (requirement_marker)?
(
tokenizer: Tokenizer,
)
| 86 | |
| 87 | |
| 88 | def _parse_requirement_details( |
| 89 | tokenizer: Tokenizer, |
| 90 | ) -> Tuple[str, str, Optional[MarkerList]]: |
| 91 | """ |
| 92 | requirement_details = AT URL (WS requirement_marker?)? |
| 93 | | specifier WS? (requirement_marker)? |
| 94 | """ |
| 95 | |
| 96 | specifier = "" |
| 97 | url = "" |
| 98 | marker = None |
| 99 | |
| 100 | if tokenizer.check("AT"): |
| 101 | tokenizer.read() |
| 102 | tokenizer.consume("WS") |
| 103 | |
| 104 | url_start = tokenizer.position |
| 105 | url = tokenizer.expect("URL", expected="URL after @").text |
| 106 | if tokenizer.check("END", peek=True): |
| 107 | return (url, specifier, marker) |
| 108 | |
| 109 | tokenizer.expect("WS", expected="whitespace after URL") |
| 110 | |
| 111 | # The input might end after whitespace. |
| 112 | if tokenizer.check("END", peek=True): |
| 113 | return (url, specifier, marker) |
| 114 | |
| 115 | marker = _parse_requirement_marker( |
| 116 | tokenizer, span_start=url_start, after="URL and whitespace" |
| 117 | ) |
| 118 | else: |
| 119 | specifier_start = tokenizer.position |
| 120 | specifier = _parse_specifier(tokenizer) |
| 121 | tokenizer.consume("WS") |
| 122 | |
| 123 | if tokenizer.check("END", peek=True): |
| 124 | return (url, specifier, marker) |
| 125 | |
| 126 | marker = _parse_requirement_marker( |
| 127 | tokenizer, |
| 128 | span_start=specifier_start, |
| 129 | after=( |
| 130 | "version specifier" |
| 131 | if specifier |
| 132 | else "name and no valid version specifier" |
| 133 | ), |
| 134 | ) |
| 135 | |
| 136 | return (url, specifier, marker) |
| 137 | |
| 138 | |
| 139 | def _parse_requirement_marker( |
no test coverage detected