updates

Backend/venv/lib/python3.12/site-packages/iniconfig/_parse.py

@@ -0,0 +1,163 @@
+from collections.abc import Mapping
+from typing import NamedTuple
+
+from .exceptions import ParseError
+
+COMMENTCHARS = "#;"
+
+
+class ParsedLine(NamedTuple):
+    lineno: int
+    section: str | None
+    name: str | None
+    value: str | None
+
+
+def parse_ini_data(
+    path: str,
+    data: str,
+    *,
+    strip_inline_comments: bool,
+    strip_section_whitespace: bool = False,
+) -> tuple[Mapping[str, Mapping[str, str]], Mapping[tuple[str, str | None], int]]:
+    """Parse INI data and return sections and sources mappings.
+
+    Args:
+        path: Path for error messages
+        data: INI content as string
+        strip_inline_comments: Whether to strip inline comments from values
+        strip_section_whitespace: Whether to strip whitespace from section and key names
+            (default: False). When True, addresses issue #4 by stripping Unicode whitespace.
+
+    Returns:
+        Tuple of (sections_data, sources) where:
+        - sections_data: mapping of section -> {name -> value}
+        - sources: mapping of (section, name) -> line number
+    """
+    tokens = parse_lines(
+        path,
+        data.splitlines(True),
+        strip_inline_comments=strip_inline_comments,
+        strip_section_whitespace=strip_section_whitespace,
+    )
+
+    sources: dict[tuple[str, str | None], int] = {}
+    sections_data: dict[str, dict[str, str]] = {}
+
+    for lineno, section, name, value in tokens:
+        if section is None:
+            raise ParseError(path, lineno, "no section header defined")
+        sources[section, name] = lineno
+        if name is None:
+            if section in sections_data:
+                raise ParseError(path, lineno, f"duplicate section {section!r}")
+            sections_data[section] = {}
+        else:
+            if name in sections_data[section]:
+                raise ParseError(path, lineno, f"duplicate name {name!r}")
+            assert value is not None
+            sections_data[section][name] = value
+
+    return sections_data, sources
+
+
+def parse_lines(
+    path: str,
+    line_iter: list[str],
+    *,
+    strip_inline_comments: bool = False,
+    strip_section_whitespace: bool = False,
+) -> list[ParsedLine]:
+    result: list[ParsedLine] = []
+    section = None
+    for lineno, line in enumerate(line_iter):
+        name, data = _parseline(
+            path, line, lineno, strip_inline_comments, strip_section_whitespace
+        )
+        # 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,
+    strip_inline_comments: bool,
+    strip_section_whitespace: bool,
+) -> 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] == "]":
+            section_name = line[1:-1]
+            # Optionally strip whitespace from section name (issue #4)
+            if strip_section_whitespace:
+                section_name = section_name.strip()
+            return section_name, 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, f"unexpected line: {line!r}") from None
+
+        # Strip key name (always for backward compatibility, optionally with unicode awareness)
+        key_name = name.strip()
+
+        # Strip value
+        value = value.strip()
+        # Strip inline comments from values if requested (issue #55)
+        if strip_inline_comments:
+            for c in COMMENTCHARS:
+                value = value.split(c)[0].rstrip()
+
+        return key_name, value
+    # continuation
+    else:
+        line = line.strip()
+        # Strip inline comments from continuations if requested (issue #55)
+        if strip_inline_comments:
+            for c in COMMENTCHARS:
+                line = line.split(c)[0].rstrip()
+        return None, line
+
+
+def iscommentline(line: str) -> bool:
+    c = line.lstrip()[:1]
+    return c in COMMENTCHARS