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.venv2/Lib/site-packages/iniconfig/_parse.py

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+from __future__ import annotations
+from .exceptions import ParseError
+
+from typing import NamedTuple
+
+
+COMMENTCHARS = "#;"
+
+
+class _ParsedLine(NamedTuple):
+    lineno: int
+    section: str | None
+    name: str | None
+    value: str | None
+
+
+def parse_lines(path: str, line_iter: list[str]) -> list[_ParsedLine]:
+    result: list[_ParsedLine] = []
+    section = None
+    for lineno, line in enumerate(line_iter):
+        name, data = _parseline(path, line, lineno)
+        # new value
+        if name is not None and data is not None:
+            result.append(_ParsedLine(lineno, section, name, data))
+        # new section
+        elif name is not None and data is None:
+            if not name:
+                raise ParseError(path, lineno, "empty section name")
+            section = name
+            result.append(_ParsedLine(lineno, section, None, None))
+        # continuation
+        elif name is None and data is not None:
+            if not result:
+                raise ParseError(path, lineno, "unexpected value continuation")
+            last = result.pop()
+            if last.name is None:
+                raise ParseError(path, lineno, "unexpected value continuation")
+
+            if last.value:
+                last = last._replace(value=f"{last.value}\n{data}")
+            else:
+                last = last._replace(value=data)
+            result.append(last)
+    return result
+
+
+def _parseline(path: str, line: str, lineno: int) -> tuple[str | None, str | None]:
+    # blank lines
+    if iscommentline(line):
+        line = ""
+    else:
+        line = line.rstrip()
+    if not line:
+        return None, None
+    # section
+    if line[0] == "[":
+        realline = line
+        for c in COMMENTCHARS:
+            line = line.split(c)[0].rstrip()
+        if line[-1] == "]":
+            return line[1:-1], None
+        return None, realline.strip()
+    # value
+    elif not line[0].isspace():
+        try:
+            name, value = line.split("=", 1)
+            if ":" in name:
+                raise ValueError()
+        except ValueError:
+            try:
+                name, value = line.split(":", 1)
+            except ValueError:
+                raise ParseError(path, lineno, "unexpected line: %r" % line)
+        return name.strip(), value.strip()
+    # continuation
+    else:
+        return None, line.strip()
+
+
+def iscommentline(line: str) -> bool:
+    c = line.lstrip()[:1]
+    return c in COMMENTCHARS