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https://github.com/daylinmorgan/viv.git
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refactor: add tomllib preference
This commit is contained in:
parent
a96d0a6bbe
commit
3bfdf5c095
GPG key ID:
C1E52E7DD81DF79F
1 changed files with 718 additions and 731 deletions
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@ -57,13 +57,14 @@ __version__ = "2023.1003-pep723"
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##### START VENDORED TOMLI #####
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try:
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from tomllib import loads as toml_loads
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except ImportError:
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# MODIFIED FROM https://github.com/hukkin/tomli
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# see below for original license
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# SPDX-License-Identifier: MIT
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# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
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# Licensed to PSF under a Contributor Agreement.
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import string # noqa
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from collections.abc import Iterable # noqa
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from functools import lru_cache # noqa
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@ -111,9 +112,9 @@ __tomli__RE_DATETIME = re.compile(
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flags=re.VERBOSE,
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)
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def __tomli__match_to_datetime(match: re.Match) -> datetime | date:
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"""Convert a `__tomli__RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
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"""Convert a `__tomli__RE_DATETIME` match to `datetime.datetime`
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or `datetime.date`.
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Raises ValueError if the match does not correspond to a valid date
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or datetime.
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"""
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@ -145,7 +146,6 @@ def __tomli__match_to_datetime(match: re.Match) -> datetime | date:
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tz = None
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return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
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@lru_cache(maxsize=None)
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def __tomli__cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
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sign = 1 if sign_str == "+" else -1
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@ -156,19 +156,16 @@ def __tomli__cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezon
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)
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)
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def __tomli__match_to_localtime(match: re.Match) -> time:
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hour_str, minute_str, sec_str, micros_str = match.groups()
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micros = int(micros_str.ljust(6, "0")) if micros_str else 0
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return time(int(hour_str), int(minute_str), int(sec_str), micros)
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def __tomli__match_to_number(match: re.Match, parse_float: ParseFloat) -> Any:
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if match.group("floatpart"):
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return parse_float(match.group())
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return int(match.group(), 0)
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__tomli__ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
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# Neither of these sets include quotation mark or backslash. They are
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# currently handled as separate cases in the parser functions.
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@ -196,11 +193,9 @@ __tomli__BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
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}
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)
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class TOMLDecodeError(ValueError):
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"""An error raised if a document is not valid TOML."""
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def __tomli__load(
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__fp: IO[bytes], *, parse_float: ParseFloat = float
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) -> dict[str, Any]:
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@ -214,7 +209,6 @@ def __tomli__load(
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) from None
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return __tomli__loads(s, parse_float=parse_float)
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def __tomli__loads(
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__s: str, *, parse_float: ParseFloat = float
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) -> dict[str, Any]: # noqa: C901
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@ -276,7 +270,6 @@ def __tomli__loads(
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pos += 1
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return out.data.dict
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class Flags:
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"""Flags that map to parsed keys/namespaces."""
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@ -314,7 +307,11 @@ class Flags:
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cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
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cont = cont[k]["nested"]
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if key_stem not in cont:
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cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}}
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cont[key_stem] = {
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"flags": set(),
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"recursive_flags": set(),
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"nested": {},
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}
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cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
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def is_(self, key: Key, flag: int) -> bool:
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@ -334,7 +331,6 @@ class Flags:
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return flag in cont["flags"] or flag in cont["recursive_flags"]
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return False
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class NestedDict:
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def __init__(self) -> None:
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# The parsed content of the TOML document
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@ -368,12 +364,10 @@ class NestedDict:
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else:
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cont[last_key] = [{}]
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class Output(NamedTuple):
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data: NestedDict
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flags: Flags
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def __tomli__skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
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try:
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while src[pos] in chars:
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@ -382,7 +376,6 @@ def __tomli__skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
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pass
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return pos
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def __tomli__skip_until(
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src: str,
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pos: Pos,
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@ -396,14 +389,17 @@ def __tomli__skip_until(
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except ValueError:
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new_pos = len(src)
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if error_on_eof:
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raise __tomli__suffixed_err(src, new_pos, f"Expected {expect!r}") from None
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raise __tomli__suffixed_err(
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src, new_pos, f"Expected {expect!r}"
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) from None
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if not error_on.isdisjoint(src[pos:new_pos]):
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while src[pos] not in error_on:
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pos += 1
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raise __tomli__suffixed_err(src, pos, f"Found invalid character {src[pos]!r}")
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raise __tomli__suffixed_err(
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src, pos, f"Found invalid character {src[pos]!r}"
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)
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return new_pos
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def __tomli__skip_comment(src: str, pos: Pos) -> Pos:
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try:
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char: str | None = src[pos]
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@ -419,7 +415,6 @@ def __tomli__skip_comment(src: str, pos: Pos) -> Pos:
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)
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return pos
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def __tomli__skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
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while True:
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pos_before_skip = pos
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@ -428,7 +423,6 @@ def __tomli__skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
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if pos == pos_before_skip:
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return pos
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def __tomli__create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
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pos += 1 # Skip "["
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pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
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@ -446,7 +440,6 @@ def __tomli__create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key
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)
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return pos + 1, key
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def __tomli__create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
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pos += 2 # Skip "[["
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pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
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@ -469,7 +462,6 @@ def __tomli__create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key
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)
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return pos + 2, key
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def __tomli__key_value_rule(
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src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat
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) -> Pos:
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@ -502,7 +494,6 @@ def __tomli__key_value_rule(
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nest[key_stem] = value
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return pos
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def __tomli__parse_key_value_pair(
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src: str, pos: Pos, parse_float: ParseFloat
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) -> tuple[Pos, Key, Any]:
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@ -520,7 +511,6 @@ def __tomli__parse_key_value_pair(
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pos, value = __tomli__parse_value(src, pos, parse_float)
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return pos, key, value
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def __tomli__parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
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pos, key_part = __tomli__parse_key_part(src, pos)
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key: Key = (key_part,)
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@ -538,7 +528,6 @@ def __tomli__parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
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key += (key_part,)
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pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
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def __tomli__parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
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try:
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char: str | None = src[pos]
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@ -552,14 +541,14 @@ def __tomli__parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
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return __tomli__parse_literal_str(src, pos)
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if char == '"':
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return __tomli__parse_one_line_basic_str(src, pos)
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raise __tomli__suffixed_err(src, pos, "Invalid initial character for a key part")
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raise __tomli__suffixed_err(
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src, pos, "Invalid initial character for a key part"
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)
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def __tomli__parse_one_line_basic_str(src: str, pos: Pos) -> tuple[Pos, str]:
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pos += 1
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return __tomli__parse_basic_str(src, pos, multiline=False)
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def __tomli__parse_array(
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src: str, pos: Pos, parse_float: ParseFloat
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) -> tuple[Pos, list]:
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@ -582,7 +571,6 @@ def __tomli__parse_array(
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if src.startswith("]", pos):
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return pos + 1, array
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def __tomli__parse_inline_table(
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src: str, pos: Pos, parse_float: ParseFloat
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) -> tuple[Pos, dict]:
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@ -602,7 +590,9 @@ def __tomli__parse_inline_table(
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try:
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nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
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except KeyError:
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raise __tomli__suffixed_err(src, pos, "Cannot overwrite a value") from None
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raise __tomli__suffixed_err(
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src, pos, "Cannot overwrite a value"
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) from None
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if key_stem in nest:
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raise __tomli__suffixed_err(
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src, pos, f"Duplicate inline table key {key_stem!r}"
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@ -619,7 +609,6 @@ def __tomli__parse_inline_table(
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pos += 1
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pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
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def __tomli__parse_basic_str_escape(
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src: str, pos: Pos, *, multiline: bool = False
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) -> tuple[Pos, str]:
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@ -646,13 +635,15 @@ def __tomli__parse_basic_str_escape(
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try:
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return pos, __tomli__BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
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except KeyError:
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raise __tomli__suffixed_err(src, pos, "Unescaped '\\' in a string") from None
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raise __tomli__suffixed_err(
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src, pos, "Unescaped '\\' in a string"
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) from None
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def __tomli__parse_basic_str_escape_multiline(src: str, pos: Pos) -> tuple[Pos, str]:
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def __tomli__parse_basic_str_escape_multiline(
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src: str, pos: Pos
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) -> tuple[Pos, str]:
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return __tomli__parse_basic_str_escape(src, pos, multiline=True)
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def __tomli__parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]:
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hex_str = src[pos : pos + hex_len]
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if len(hex_str) != hex_len or not __tomli__HEXDIGIT_CHARS.issuperset(hex_str):
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@ -665,16 +656,18 @@ def __tomli__parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]
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)
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return pos, chr(hex_int)
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def __tomli__parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
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pos += 1 # Skip starting apostrophe
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start_pos = pos
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pos = __tomli__skip_until(
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src, pos, "'", error_on=__tomli__ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True
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src,
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pos,
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"'",
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error_on=__tomli__ILLEGAL_LITERAL_STR_CHARS,
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error_on_eof=True,
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)
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return pos + 1, src[start_pos:pos] # Skip ending apostrophe
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def __tomli__parse_multiline_str(
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src: str, pos: Pos, *, literal: bool
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) -> tuple[Pos, str]:
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@ -705,8 +698,9 @@ def __tomli__parse_multiline_str(
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pos += 1
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return pos, result + (delim * 2)
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def __tomli__parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Pos, str]:
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def __tomli__parse_basic_str(
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src: str, pos: Pos, *, multiline: bool
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) -> tuple[Pos, str]:
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if multiline:
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error_on = __tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS
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parse_escapes = __tomli__parse_basic_str_escape_multiline
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@ -737,7 +731,6 @@ def __tomli__parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Po
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raise __tomli__suffixed_err(src, pos, f"Illegal character {char!r}")
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pos += 1
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def __tomli__parse_value( # noqa: C901
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src: str, pos: Pos, parse_float: ParseFloat
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) -> tuple[Pos, Any]:
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@ -785,7 +778,9 @@ def __tomli__parse_value( # noqa: C901
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# char, so needs to be located after handling of dates and times.
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number_match = __tomli__RE_NUMBER.match(src, pos)
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if number_match:
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return number_match.end(), __tomli__match_to_number(number_match, parse_float)
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return number_match.end(), __tomli__match_to_number(
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number_match, parse_float
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)
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# Special floats
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first_three = src[pos : pos + 3]
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if first_three in {"inf", "nan"}:
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@ -795,7 +790,6 @@ def __tomli__parse_value( # noqa: C901
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return pos + 4, parse_float(first_four)
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raise __tomli__suffixed_err(src, pos, "Invalid value")
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def __tomli__suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
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"""Return a `TOMLDecodeError` where error message is suffixed with
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coordinates in source."""
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@ -812,11 +806,9 @@ def __tomli__suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
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return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
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def __tomli__is_unicode_scalar_value(codepoint: int) -> bool:
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return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
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def __tomli__make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
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"""A decorator to make `parse_float` safe.
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`parse_float` must not return dicts or lists, because these types
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@ -836,16 +828,11 @@ def __tomli__make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
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return safe_parse_float
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toml_loads = __tomli__loads
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##### END VENDORED TOMLI #####
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# fmt: on
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# fmt: on
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class Spinner:
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"""spinner modified from:
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https://raw.githubusercontent.com/Tagar/stuff/master/spinner.py
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@ -2025,7 +2012,7 @@ METADATA_BLOCK = (
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)
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def read_metadata_block(script: str) -> dict | None:
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def read_metadata_block(script: str) -> dict:
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name = "pyproject"
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matches = list(
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filter(lambda m: m.group("type") == name, re.finditer(METADATA_BLOCK, script))
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@ -2033,11 +2020,11 @@ def read_metadata_block(script: str) -> dict | None:
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if len(matches) > 1:
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raise ValueError(f"Multiple {name} blocks found")
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elif len(matches) == 1:
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return __tomli__loads(
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return toml_loads(
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"\n".join((line[2:] for line in matches[0].group(0).splitlines()[1:-1]))
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)
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else:
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return None
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return {}
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# DEPENDENCY_BLOCK_MARKER = r"(?i)^#\s+script\s+dependencies:\s*$"
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