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refactor: add tomllib preference

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Daylin Morgan 2023-10-17 09:38:32 -05:00
parent f44f401410
commit 13acde3417
Signed by: daylin
GPG key ID: C1E52E7DD81DF79F
1 changed files with 718 additions and 731 deletions
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src/viv/viv.py
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@ -57,63 +57,64 @@ __version__ = "2023.1003-pep723"
##### START VENDORED TOMLI ##### ##### START VENDORED TOMLI #####
# MODIFIED FROM https://github.com/hukkin/tomli try:
# see below for original license from tomllib import loads as toml_loads
# SPDX-License-Identifier: MIT except ImportError:
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen # MODIFIED FROM https://github.com/hukkin/tomli
# Licensed to PSF under a Contributor Agreement. # see below for original license
# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
# Licensed to PSF under a Contributor Agreement.
import string # noqa
from collections.abc import Iterable # noqa
from functools import lru_cache # noqa
from datetime import date, datetime, time, timedelta, timezone, tzinfo # noqa
from types import MappingProxyType # noqa
from typing import IO, Any, Callable, NamedTuple # noqa
ParseFloat = Callable[[str], Any]
import string # noqa Key = Tuple[str, ...]
from collections.abc import Iterable # noqa Pos = int
from functools import lru_cache # noqa # - 00:32:00.999999
from datetime import date, datetime, time, timedelta, timezone, tzinfo # noqa # - 00:32:00
from types import MappingProxyType # noqa __tomli___TIME_RE_STR = (
from typing import IO, Any, Callable, NamedTuple # noqa
ParseFloat = Callable[[str], Any]
Key = Tuple[str, ...]
Pos = int
# - 00:32:00.999999
# - 00:32:00
__tomli___TIME_RE_STR = (
r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(?:\.([0-9]{1,6})[0-9]*)?" r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(?:\.([0-9]{1,6})[0-9]*)?"
) )
__tomli__RE_NUMBER = re.compile( __tomli__RE_NUMBER = re.compile(
r""" r"""
0 0
(?: (?:
x[0-9A-Fa-f](?:_?[0-9A-Fa-f])* # hex x[0-9A-Fa-f](?:_?[0-9A-Fa-f])* # hex
| |
b[01](?:_?[01])* # bin b[01](?:_?[01])* # bin
| |
o[0-7](?:_?[0-7])* # oct o[0-7](?:_?[0-7])* # oct
) )
| |
[+-]?(?:0|[1-9](?:_?[0-9])*) # dec, integer part [+-]?(?:0|[1-9](?:_?[0-9])*) # dec, integer part
(?P<floatpart> (?P<floatpart>
(?:\.[0-9](?:_?[0-9])*)? # optional fractional part (?:\.[0-9](?:_?[0-9])*)? # optional fractional part
(?:[eE][+-]?[0-9](?:_?[0-9])*)? # optional exponent part (?:[eE][+-]?[0-9](?:_?[0-9])*)? # optional exponent part
) )
""", """,
flags=re.VERBOSE, flags=re.VERBOSE,
) )
__tomli__RE_LOCALTIME = re.compile(__tomli___TIME_RE_STR) __tomli__RE_LOCALTIME = re.compile(__tomli___TIME_RE_STR)
__tomli__RE_DATETIME = re.compile( __tomli__RE_DATETIME = re.compile(
rf""" rf"""
([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01]) # date, e.g. 1988-10-27 ([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01]) # date, e.g. 1988-10-27
(?: (?:
[Tt ] [Tt ]
{__tomli___TIME_RE_STR} {__tomli___TIME_RE_STR}
(?:([Zz])|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))? # optional time offset (?:([Zz])|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))? # optional time offset
)? )?
""", """,
flags=re.VERBOSE, flags=re.VERBOSE,
) )
def __tomli__match_to_datetime(match: re.Match) -> datetime | date:
def __tomli__match_to_datetime(match: re.Match) -> datetime | date: """Convert a `__tomli__RE_DATETIME` match to `datetime.datetime`
"""Convert a `__tomli__RE_DATETIME` match to `datetime.datetime` or `datetime.date`. or `datetime.date`.
Raises ValueError if the match does not correspond to a valid date Raises ValueError if the match does not correspond to a valid date
or datetime. or datetime.
""" """
@ -145,9 +146,8 @@ def __tomli__match_to_datetime(match: re.Match) -> datetime | date:
tz = None tz = None
return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz) return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
@lru_cache(maxsize=None)
@lru_cache(maxsize=None) def __tomli__cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
def __tomli__cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
sign = 1 if sign_str == "+" else -1 sign = 1 if sign_str == "+" else -1
return timezone( return timezone(
timedelta( timedelta(
@ -156,35 +156,32 @@ def __tomli__cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezon
) )
) )
def __tomli__match_to_localtime(match: re.Match) -> time:
def __tomli__match_to_localtime(match: re.Match) -> time:
hour_str, minute_str, sec_str, micros_str = match.groups() hour_str, minute_str, sec_str, micros_str = match.groups()
micros = int(micros_str.ljust(6, "0")) if micros_str else 0 micros = int(micros_str.ljust(6, "0")) if micros_str else 0
return time(int(hour_str), int(minute_str), int(sec_str), micros) return time(int(hour_str), int(minute_str), int(sec_str), micros)
def __tomli__match_to_number(match: re.Match, parse_float: ParseFloat) -> Any:
def __tomli__match_to_number(match: re.Match, parse_float: ParseFloat) -> Any:
if match.group("floatpart"): if match.group("floatpart"):
return parse_float(match.group()) return parse_float(match.group())
return int(match.group(), 0) return int(match.group(), 0)
__tomli__ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
__tomli__ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127)) # Neither of these sets include quotation mark or backslash. They are
# Neither of these sets include quotation mark or backslash. They are # currently handled as separate cases in the parser functions.
# currently handled as separate cases in the parser functions. __tomli__ILLEGAL_BASIC_STR_CHARS = __tomli__ASCII_CTRL - frozenset("\t")
__tomli__ILLEGAL_BASIC_STR_CHARS = __tomli__ASCII_CTRL - frozenset("\t") __tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS = __tomli__ASCII_CTRL - frozenset("\t\n")
__tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS = __tomli__ASCII_CTRL - frozenset("\t\n") __tomli__ILLEGAL_LITERAL_STR_CHARS = __tomli__ILLEGAL_BASIC_STR_CHARS
__tomli__ILLEGAL_LITERAL_STR_CHARS = __tomli__ILLEGAL_BASIC_STR_CHARS __tomli__ILLEGAL_MULTILINE_LITERAL_STR_CHARS = (
__tomli__ILLEGAL_MULTILINE_LITERAL_STR_CHARS = (
__tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS __tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS
) )
__tomli__ILLEGAL_COMMENT_CHARS = __tomli__ILLEGAL_BASIC_STR_CHARS __tomli__ILLEGAL_COMMENT_CHARS = __tomli__ILLEGAL_BASIC_STR_CHARS
__tomli__TOML_WS = frozenset(" \t") __tomli__TOML_WS = frozenset(" \t")
__tomli__TOML_WS_AND_NEWLINE = __tomli__TOML_WS | frozenset("\n") __tomli__TOML_WS_AND_NEWLINE = __tomli__TOML_WS | frozenset("\n")
__tomli__BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_") __tomli__BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
__tomli__KEY_INITIAL_CHARS = __tomli__BARE_KEY_CHARS | frozenset("\"'") __tomli__KEY_INITIAL_CHARS = __tomli__BARE_KEY_CHARS | frozenset("\"'")
__tomli__HEXDIGIT_CHARS = frozenset(string.hexdigits) __tomli__HEXDIGIT_CHARS = frozenset(string.hexdigits)
__tomli__BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType( __tomli__BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
{ {
"\\b": "\u0008", # backspace "\\b": "\u0008", # backspace
"\\t": "\u0009", # tab "\\t": "\u0009", # tab
@ -194,16 +191,14 @@ __tomli__BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
'\\"': "\u0022", # quote '\\"': "\u0022", # quote
"\\\\": "\u005C", # backslash "\\\\": "\u005C", # backslash
} }
) )
class TOMLDecodeError(ValueError):
class TOMLDecodeError(ValueError):
"""An error raised if a document is not valid TOML.""" """An error raised if a document is not valid TOML."""
def __tomli__load(
def __tomli__load(
__fp: IO[bytes], *, parse_float: ParseFloat = float __fp: IO[bytes], *, parse_float: ParseFloat = float
) -> dict[str, Any]: ) -> dict[str, Any]:
"""Parse TOML from a binary file object.""" """Parse TOML from a binary file object."""
b = __fp.read() b = __fp.read()
try: try:
@ -214,10 +209,9 @@ def __tomli__load(
) from None ) from None
return __tomli__loads(s, parse_float=parse_float) return __tomli__loads(s, parse_float=parse_float)
def __tomli__loads(
def __tomli__loads(
__s: str, *, parse_float: ParseFloat = float __s: str, *, parse_float: ParseFloat = float
) -> dict[str, Any]: # noqa: C901 ) -> dict[str, Any]: # noqa: C901
"""Parse TOML from a string.""" """Parse TOML from a string."""
# The spec allows converting "\r\n" to "\n", even in string # The spec allows converting "\r\n" to "\n", even in string
# literals. Let's do so to simplify parsing. # literals. Let's do so to simplify parsing.
@ -276,8 +270,7 @@ def __tomli__loads(
pos += 1 pos += 1
return out.data.dict return out.data.dict
class Flags:
class Flags:
"""Flags that map to parsed keys/namespaces.""" """Flags that map to parsed keys/namespaces."""
# Marks an immutable namespace (inline array or inline table). # Marks an immutable namespace (inline array or inline table).
@ -314,7 +307,11 @@ class Flags:
cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}} cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
cont = cont[k]["nested"] cont = cont[k]["nested"]
if key_stem not in cont: if key_stem not in cont:
cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}} cont[key_stem] = {
"flags": set(),
"recursive_flags": set(),
"nested": {},
}
cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag) cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
def is_(self, key: Key, flag: int) -> bool: def is_(self, key: Key, flag: int) -> bool:
@ -334,8 +331,7 @@ class Flags:
return flag in cont["flags"] or flag in cont["recursive_flags"] return flag in cont["flags"] or flag in cont["recursive_flags"]
return False return False
class NestedDict:
class NestedDict:
def __init__(self) -> None: def __init__(self) -> None:
# The parsed content of the TOML document # The parsed content of the TOML document
self.dict: dict[str, Any] = {} self.dict: dict[str, Any] = {}
@ -368,13 +364,11 @@ class NestedDict:
else: else:
cont[last_key] = [{}] cont[last_key] = [{}]
class Output(NamedTuple):
class Output(NamedTuple):
data: NestedDict data: NestedDict
flags: Flags flags: Flags
def __tomli__skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
def __tomli__skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
try: try:
while src[pos] in chars: while src[pos] in chars:
pos += 1 pos += 1
@ -382,29 +376,31 @@ def __tomli__skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
pass pass
return pos return pos
def __tomli__skip_until(
def __tomli__skip_until(
src: str, src: str,
pos: Pos, pos: Pos,
expect: str, expect: str,
*, *,
error_on: frozenset[str], error_on: frozenset[str],
error_on_eof: bool, error_on_eof: bool,
) -> Pos: ) -> Pos:
try: try:
new_pos = src.index(expect, pos) new_pos = src.index(expect, pos)
except ValueError: except ValueError:
new_pos = len(src) new_pos = len(src)
if error_on_eof: if error_on_eof:
raise __tomli__suffixed_err(src, new_pos, f"Expected {expect!r}") from None raise __tomli__suffixed_err(
src, new_pos, f"Expected {expect!r}"
) from None
if not error_on.isdisjoint(src[pos:new_pos]): if not error_on.isdisjoint(src[pos:new_pos]):
while src[pos] not in error_on: while src[pos] not in error_on:
pos += 1 pos += 1
raise __tomli__suffixed_err(src, pos, f"Found invalid character {src[pos]!r}") raise __tomli__suffixed_err(
src, pos, f"Found invalid character {src[pos]!r}"
)
return new_pos return new_pos
def __tomli__skip_comment(src: str, pos: Pos) -> Pos:
def __tomli__skip_comment(src: str, pos: Pos) -> Pos:
try: try:
char: str | None = src[pos] char: str | None = src[pos]
except IndexError: except IndexError:
@ -419,8 +415,7 @@ def __tomli__skip_comment(src: str, pos: Pos) -> Pos:
) )
return pos return pos
def __tomli__skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
def __tomli__skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
while True: while True:
pos_before_skip = pos pos_before_skip = pos
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS_AND_NEWLINE) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS_AND_NEWLINE)
@ -428,8 +423,7 @@ def __tomli__skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
if pos == pos_before_skip: if pos == pos_before_skip:
return pos return pos
def __tomli__create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
def __tomli__create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
pos += 1 # Skip "[" pos += 1 # Skip "["
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
pos, key = __tomli__parse_key(src, pos) pos, key = __tomli__parse_key(src, pos)
@ -446,8 +440,7 @@ def __tomli__create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key
) )
return pos + 1, key return pos + 1, key
def __tomli__create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
def __tomli__create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
pos += 2 # Skip "[[" pos += 2 # Skip "[["
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
pos, key = __tomli__parse_key(src, pos) pos, key = __tomli__parse_key(src, pos)
@ -469,10 +462,9 @@ def __tomli__create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key
) )
return pos + 2, key return pos + 2, key
def __tomli__key_value_rule(
def __tomli__key_value_rule(
src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat
) -> Pos: ) -> Pos:
pos, key, value = __tomli__parse_key_value_pair(src, pos, parse_float) pos, key, value = __tomli__parse_key_value_pair(src, pos, parse_float)
key_parent, key_stem = key[:-1], key[-1] key_parent, key_stem = key[:-1], key[-1]
abs_key_parent = header + key_parent abs_key_parent = header + key_parent
@ -502,10 +494,9 @@ def __tomli__key_value_rule(
nest[key_stem] = value nest[key_stem] = value
return pos return pos
def __tomli__parse_key_value_pair(
def __tomli__parse_key_value_pair(
src: str, pos: Pos, parse_float: ParseFloat src: str, pos: Pos, parse_float: ParseFloat
) -> tuple[Pos, Key, Any]: ) -> tuple[Pos, Key, Any]:
pos, key = __tomli__parse_key(src, pos) pos, key = __tomli__parse_key(src, pos)
try: try:
char: str | None = src[pos] char: str | None = src[pos]
@ -520,8 +511,7 @@ def __tomli__parse_key_value_pair(
pos, value = __tomli__parse_value(src, pos, parse_float) pos, value = __tomli__parse_value(src, pos, parse_float)
return pos, key, value return pos, key, value
def __tomli__parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
def __tomli__parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
pos, key_part = __tomli__parse_key_part(src, pos) pos, key_part = __tomli__parse_key_part(src, pos)
key: Key = (key_part,) key: Key = (key_part,)
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
@ -538,8 +528,7 @@ def __tomli__parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
key += (key_part,) key += (key_part,)
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
def __tomli__parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
def __tomli__parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
try: try:
char: str | None = src[pos] char: str | None = src[pos]
except IndexError: except IndexError:
@ -552,17 +541,17 @@ def __tomli__parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
return __tomli__parse_literal_str(src, pos) return __tomli__parse_literal_str(src, pos)
if char == '"': if char == '"':
return __tomli__parse_one_line_basic_str(src, pos) return __tomli__parse_one_line_basic_str(src, pos)
raise __tomli__suffixed_err(src, pos, "Invalid initial character for a key part") raise __tomli__suffixed_err(
src, pos, "Invalid initial character for a key part"
)
def __tomli__parse_one_line_basic_str(src: str, pos: Pos) -> tuple[Pos, str]:
def __tomli__parse_one_line_basic_str(src: str, pos: Pos) -> tuple[Pos, str]:
pos += 1 pos += 1
return __tomli__parse_basic_str(src, pos, multiline=False) return __tomli__parse_basic_str(src, pos, multiline=False)
def __tomli__parse_array(
def __tomli__parse_array(
src: str, pos: Pos, parse_float: ParseFloat src: str, pos: Pos, parse_float: ParseFloat
) -> tuple[Pos, list]: ) -> tuple[Pos, list]:
pos += 1 pos += 1
array: list = [] array: list = []
pos = __tomli__skip_comments_and_array_ws(src, pos) pos = __tomli__skip_comments_and_array_ws(src, pos)
@ -582,10 +571,9 @@ def __tomli__parse_array(
if src.startswith("]", pos): if src.startswith("]", pos):
return pos + 1, array return pos + 1, array
def __tomli__parse_inline_table(
def __tomli__parse_inline_table(
src: str, pos: Pos, parse_float: ParseFloat src: str, pos: Pos, parse_float: ParseFloat
) -> tuple[Pos, dict]: ) -> tuple[Pos, dict]:
pos += 1 pos += 1
nested_dict = NestedDict() nested_dict = NestedDict()
flags = Flags() flags = Flags()
@ -602,7 +590,9 @@ def __tomli__parse_inline_table(
try: try:
nest = nested_dict.get_or_create_nest(key_parent, access_lists=False) nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
except KeyError: except KeyError:
raise __tomli__suffixed_err(src, pos, "Cannot overwrite a value") from None raise __tomli__suffixed_err(
src, pos, "Cannot overwrite a value"
) from None
if key_stem in nest: if key_stem in nest:
raise __tomli__suffixed_err( raise __tomli__suffixed_err(
src, pos, f"Duplicate inline table key {key_stem!r}" src, pos, f"Duplicate inline table key {key_stem!r}"
@ -619,10 +609,9 @@ def __tomli__parse_inline_table(
pos += 1 pos += 1
pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS) pos = __tomli__skip_chars(src, pos, __tomli__TOML_WS)
def __tomli__parse_basic_str_escape(
def __tomli__parse_basic_str_escape(
src: str, pos: Pos, *, multiline: bool = False src: str, pos: Pos, *, multiline: bool = False
) -> tuple[Pos, str]: ) -> tuple[Pos, str]:
escape_id = src[pos : pos + 2] escape_id = src[pos : pos + 2]
pos += 2 pos += 2
if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}: if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
@ -646,14 +635,16 @@ def __tomli__parse_basic_str_escape(
try: try:
return pos, __tomli__BASIC_STR_ESCAPE_REPLACEMENTS[escape_id] return pos, __tomli__BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
except KeyError: except KeyError:
raise __tomli__suffixed_err(src, pos, "Unescaped '\\' in a string") from None raise __tomli__suffixed_err(
src, pos, "Unescaped '\\' in a string"
) from None
def __tomli__parse_basic_str_escape_multiline(
def __tomli__parse_basic_str_escape_multiline(src: str, pos: Pos) -> tuple[Pos, str]: src: str, pos: Pos
) -> tuple[Pos, str]:
return __tomli__parse_basic_str_escape(src, pos, multiline=True) return __tomli__parse_basic_str_escape(src, pos, multiline=True)
def __tomli__parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]:
def __tomli__parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]:
hex_str = src[pos : pos + hex_len] hex_str = src[pos : pos + hex_len]
if len(hex_str) != hex_len or not __tomli__HEXDIGIT_CHARS.issuperset(hex_str): if len(hex_str) != hex_len or not __tomli__HEXDIGIT_CHARS.issuperset(hex_str):
raise __tomli__suffixed_err(src, pos, "Invalid hex value") raise __tomli__suffixed_err(src, pos, "Invalid hex value")
@ -665,19 +656,21 @@ def __tomli__parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]
) )
return pos, chr(hex_int) return pos, chr(hex_int)
def __tomli__parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
def __tomli__parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
pos += 1 # Skip starting apostrophe pos += 1 # Skip starting apostrophe
start_pos = pos start_pos = pos
pos = __tomli__skip_until( pos = __tomli__skip_until(
src, pos, "'", error_on=__tomli__ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True src,
pos,
"'",
error_on=__tomli__ILLEGAL_LITERAL_STR_CHARS,
error_on_eof=True,
) )
return pos + 1, src[start_pos:pos] # Skip ending apostrophe return pos + 1, src[start_pos:pos] # Skip ending apostrophe
def __tomli__parse_multiline_str(
def __tomli__parse_multiline_str(
src: str, pos: Pos, *, literal: bool src: str, pos: Pos, *, literal: bool
) -> tuple[Pos, str]: ) -> tuple[Pos, str]:
pos += 3 pos += 3
if src.startswith("\n", pos): if src.startswith("\n", pos):
pos += 1 pos += 1
@ -705,8 +698,9 @@ def __tomli__parse_multiline_str(
pos += 1 pos += 1
return pos, result + (delim * 2) return pos, result + (delim * 2)
def __tomli__parse_basic_str(
def __tomli__parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Pos, str]: src: str, pos: Pos, *, multiline: bool
) -> tuple[Pos, str]:
if multiline: if multiline:
error_on = __tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS error_on = __tomli__ILLEGAL_MULTILINE_BASIC_STR_CHARS
parse_escapes = __tomli__parse_basic_str_escape_multiline parse_escapes = __tomli__parse_basic_str_escape_multiline
@ -737,10 +731,9 @@ def __tomli__parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Po
raise __tomli__suffixed_err(src, pos, f"Illegal character {char!r}") raise __tomli__suffixed_err(src, pos, f"Illegal character {char!r}")
pos += 1 pos += 1
def __tomli__parse_value( # noqa: C901
def __tomli__parse_value( # noqa: C901
src: str, pos: Pos, parse_float: ParseFloat src: str, pos: Pos, parse_float: ParseFloat
) -> tuple[Pos, Any]: ) -> tuple[Pos, Any]:
try: try:
char: str | None = src[pos] char: str | None = src[pos]
except IndexError: except IndexError:
@ -785,7 +778,9 @@ def __tomli__parse_value( # noqa: C901
# char, so needs to be located after handling of dates and times. # char, so needs to be located after handling of dates and times.
number_match = __tomli__RE_NUMBER.match(src, pos) number_match = __tomli__RE_NUMBER.match(src, pos)
if number_match: if number_match:
return number_match.end(), __tomli__match_to_number(number_match, parse_float) return number_match.end(), __tomli__match_to_number(
number_match, parse_float
)
# Special floats # Special floats
first_three = src[pos : pos + 3] first_three = src[pos : pos + 3]
if first_three in {"inf", "nan"}: if first_three in {"inf", "nan"}:
@ -795,8 +790,7 @@ def __tomli__parse_value( # noqa: C901
return pos + 4, parse_float(first_four) return pos + 4, parse_float(first_four)
raise __tomli__suffixed_err(src, pos, "Invalid value") raise __tomli__suffixed_err(src, pos, "Invalid value")
def __tomli__suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
def __tomli__suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
"""Return a `TOMLDecodeError` where error message is suffixed with """Return a `TOMLDecodeError` where error message is suffixed with
coordinates in source.""" coordinates in source."""
@ -812,12 +806,10 @@ def __tomli__suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})") return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
def __tomli__is_unicode_scalar_value(codepoint: int) -> bool:
def __tomli__is_unicode_scalar_value(codepoint: int) -> bool:
return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111) return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
def __tomli__make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
def __tomli__make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
"""A decorator to make `parse_float` safe. """A decorator to make `parse_float` safe.
`parse_float` must not return dicts or lists, because these types `parse_float` must not return dicts or lists, because these types
would be mixed with parsed TOML tables and arrays, thus confusing would be mixed with parsed TOML tables and arrays, thus confusing
@ -836,16 +828,11 @@ def __tomli__make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
return safe_parse_float return safe_parse_float
toml_loads = __tomli__loads
##### END VENDORED TOMLI ##### ##### END VENDORED TOMLI #####
# fmt: on
# fmt: on
class Spinner: class Spinner:
"""spinner modified from: """spinner modified from:
https://raw.githubusercontent.com/Tagar/stuff/master/spinner.py https://raw.githubusercontent.com/Tagar/stuff/master/spinner.py
@ -2012,7 +1999,7 @@ METADATA_BLOCK = (
) )
def read_metadata_block(script: str) -> dict | None: def read_metadata_block(script: str) -> dict:
name = "pyproject" name = "pyproject"
matches = list( matches = list(
filter(lambda m: m.group("type") == name, re.finditer(METADATA_BLOCK, script)) filter(lambda m: m.group("type") == name, re.finditer(METADATA_BLOCK, script))
@ -2020,11 +2007,11 @@ def read_metadata_block(script: str) -> dict | None:
if len(matches) > 1: if len(matches) > 1:
raise ValueError(f"Multiple {name} blocks found") raise ValueError(f"Multiple {name} blocks found")
elif len(matches) == 1: elif len(matches) == 1:
return __tomli__loads( return toml_loads(
"\n".join((line[2:] for line in matches[0].group(0).splitlines()[1:-1])) "\n".join((line[2:] for line in matches[0].group(0).splitlines()[1:-1]))
) )
else: else:
return None return {}
# DEPENDENCY_BLOCK_MARKER = r"(?i)^#\s+script\s+dependencies:\s*$" # DEPENDENCY_BLOCK_MARKER = r"(?i)^#\s+script\s+dependencies:\s*$"