Add python venv
This commit is contained in:
Isaac Shoebottom
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"""A lil' TOML parser."""
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__all__ = ("loads", "load", "TOMLDecodeError")
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__version__ = "1.0.3" # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
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from pip._vendor.tomli._parser import TOMLDecodeError, load, loads
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703
utils/python-venv/Lib/site-packages/pip/_vendor/tomli/_parser.py
Normal file
703
utils/python-venv/Lib/site-packages/pip/_vendor/tomli/_parser.py
Normal file
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import string
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from types import MappingProxyType
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from typing import (
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TYPE_CHECKING,
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Any,
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Callable,
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Dict,
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FrozenSet,
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Iterable,
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Optional,
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TextIO,
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Tuple,
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)
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from pip._vendor.tomli._re import (
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RE_BIN,
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RE_DATETIME,
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RE_HEX,
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RE_LOCALTIME,
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RE_NUMBER,
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RE_OCT,
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match_to_datetime,
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match_to_localtime,
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match_to_number,
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)
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if TYPE_CHECKING:
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from re import Pattern
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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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ILLEGAL_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t")
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ILLEGAL_MULTILINE_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t\n\r")
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ILLEGAL_LITERAL_STR_CHARS = ILLEGAL_BASIC_STR_CHARS
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ILLEGAL_MULTILINE_LITERAL_STR_CHARS = ASCII_CTRL - frozenset("\t\n")
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ILLEGAL_COMMENT_CHARS = ILLEGAL_BASIC_STR_CHARS
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TOML_WS = frozenset(" \t")
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TOML_WS_AND_NEWLINE = TOML_WS | frozenset("\n")
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BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
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KEY_INITIAL_CHARS = BARE_KEY_CHARS | frozenset("\"'")
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BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
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{
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"\\b": "\u0008", # backspace
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"\\t": "\u0009", # tab
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"\\n": "\u000A", # linefeed
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"\\f": "\u000C", # form feed
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"\\r": "\u000D", # carriage return
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'\\"': "\u0022", # quote
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"\\\\": "\u005C", # backslash
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}
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)
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# Type annotations
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ParseFloat = Callable[[str], Any]
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Key = Tuple[str, ...]
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Pos = int
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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 load(fp: TextIO, *, parse_float: ParseFloat = float) -> Dict[str, Any]:
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"""Parse TOML from a file object."""
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s = fp.read()
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return loads(s, parse_float=parse_float)
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def loads(s: str, *, parse_float: ParseFloat = float) -> Dict[str, Any]: # noqa: C901
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"""Parse TOML from a string."""
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# The spec allows converting "\r\n" to "\n", even in string
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# literals. Let's do so to simplify parsing.
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src = s.replace("\r\n", "\n")
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pos = 0
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state = State()
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# Parse one statement at a time
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# (typically means one line in TOML source)
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while True:
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# 1. Skip line leading whitespace
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pos = skip_chars(src, pos, TOML_WS)
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# 2. Parse rules. Expect one of the following:
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# - end of file
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# - end of line
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# - comment
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# - key/value pair
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# - append dict to list (and move to its namespace)
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# - create dict (and move to its namespace)
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# Skip trailing whitespace when applicable.
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try:
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char = src[pos]
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except IndexError:
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break
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if char == "\n":
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pos += 1
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continue
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if char in KEY_INITIAL_CHARS:
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pos = key_value_rule(src, pos, state, parse_float)
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pos = skip_chars(src, pos, TOML_WS)
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elif char == "[":
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try:
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second_char: Optional[str] = src[pos + 1]
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except IndexError:
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second_char = None
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if second_char == "[":
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pos = create_list_rule(src, pos, state)
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else:
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pos = create_dict_rule(src, pos, state)
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pos = skip_chars(src, pos, TOML_WS)
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elif char != "#":
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raise suffixed_err(src, pos, "Invalid statement")
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# 3. Skip comment
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pos = skip_comment(src, pos)
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# 4. Expect end of line or end of file
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try:
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char = src[pos]
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except IndexError:
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break
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if char != "\n":
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raise suffixed_err(
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src, pos, "Expected newline or end of document after a statement"
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)
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pos += 1
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return state.out.dict
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class State:
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def __init__(self) -> None:
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# Mutable, read-only
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self.out = NestedDict()
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self.flags = Flags()
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# Immutable, read and write
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self.header_namespace: Key = ()
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class Flags:
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"""Flags that map to parsed keys/namespaces."""
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# Marks an immutable namespace (inline array or inline table).
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FROZEN = 0
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# Marks a nest that has been explicitly created and can no longer
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# be opened using the "[table]" syntax.
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EXPLICIT_NEST = 1
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def __init__(self) -> None:
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self._flags: Dict[str, dict] = {}
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def unset_all(self, key: Key) -> None:
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cont = self._flags
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for k in key[:-1]:
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if k not in cont:
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return
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cont = cont[k]["nested"]
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cont.pop(key[-1], None)
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def set_for_relative_key(self, head_key: Key, rel_key: Key, flag: int) -> None:
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cont = self._flags
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for k in head_key:
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if k not in cont:
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cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
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cont = cont[k]["nested"]
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for k in rel_key:
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if k in cont:
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cont[k]["flags"].add(flag)
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else:
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cont[k] = {"flags": {flag}, "recursive_flags": set(), "nested": {}}
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cont = cont[k]["nested"]
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def set(self, key: Key, flag: int, *, recursive: bool) -> None: # noqa: A003
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cont = self._flags
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key_parent, key_stem = key[:-1], key[-1]
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for k in key_parent:
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if k not in cont:
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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]["recursive_flags" if recursive else "flags"].add(flag)
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def is_(self, key: Key, flag: int) -> bool:
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if not key:
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return False # document root has no flags
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cont = self._flags
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for k in key[:-1]:
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if k not in cont:
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return False
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inner_cont = cont[k]
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if flag in inner_cont["recursive_flags"]:
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return True
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cont = inner_cont["nested"]
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key_stem = key[-1]
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if key_stem in cont:
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cont = cont[key_stem]
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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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self.dict: Dict[str, Any] = {}
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def get_or_create_nest(
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self,
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key: Key,
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*,
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access_lists: bool = True,
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) -> dict:
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cont: Any = self.dict
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for k in key:
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if k not in cont:
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cont[k] = {}
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cont = cont[k]
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if access_lists and isinstance(cont, list):
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cont = cont[-1]
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if not isinstance(cont, dict):
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raise KeyError("There is no nest behind this key")
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return cont
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def append_nest_to_list(self, key: Key) -> None:
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cont = self.get_or_create_nest(key[:-1])
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last_key = key[-1]
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if last_key in cont:
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list_ = cont[last_key]
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if not isinstance(list_, list):
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raise KeyError("An object other than list found behind this key")
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list_.append({})
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else:
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cont[last_key] = [{}]
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def 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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pos += 1
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except IndexError:
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pass
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return pos
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def skip_until(
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src: str,
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pos: Pos,
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expect: str,
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*,
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error_on: FrozenSet[str],
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error_on_eof: bool,
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) -> Pos:
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try:
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new_pos = src.index(expect, pos)
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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 suffixed_err(src, new_pos, f'Expected "{expect!r}"')
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bad_chars = error_on.intersection(src[pos:new_pos])
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if bad_chars:
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bad_char = next(iter(bad_chars))
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bad_pos = src.index(bad_char, pos)
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raise suffixed_err(src, bad_pos, f'Found invalid character "{bad_char!r}"')
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return new_pos
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def skip_comment(src: str, pos: Pos) -> Pos:
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try:
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char: Optional[str] = src[pos]
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except IndexError:
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char = None
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if char == "#":
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return skip_until(
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src, pos + 1, "\n", error_on=ILLEGAL_COMMENT_CHARS, error_on_eof=False
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)
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return pos
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def 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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pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
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pos = skip_comment(src, pos)
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if pos == pos_before_skip:
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return pos
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def create_dict_rule(src: str, pos: Pos, state: State) -> Pos:
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pos += 1 # Skip "["
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pos = skip_chars(src, pos, TOML_WS)
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pos, key = parse_key(src, pos)
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if state.flags.is_(key, Flags.EXPLICIT_NEST) or state.flags.is_(key, Flags.FROZEN):
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raise suffixed_err(src, pos, f"Can not declare {key} twice")
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state.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
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try:
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state.out.get_or_create_nest(key)
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except KeyError:
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raise suffixed_err(src, pos, "Can not overwrite a value")
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state.header_namespace = key
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if src[pos : pos + 1] != "]":
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raise suffixed_err(src, pos, 'Expected "]" at the end of a table declaration')
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return pos + 1
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def create_list_rule(src: str, pos: Pos, state: State) -> Pos:
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pos += 2 # Skip "[["
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pos = skip_chars(src, pos, TOML_WS)
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pos, key = parse_key(src, pos)
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if state.flags.is_(key, Flags.FROZEN):
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raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
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# Free the namespace now that it points to another empty list item...
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state.flags.unset_all(key)
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# ...but this key precisely is still prohibited from table declaration
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state.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
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try:
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state.out.append_nest_to_list(key)
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except KeyError:
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raise suffixed_err(src, pos, "Can not overwrite a value")
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state.header_namespace = key
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end_marker = src[pos : pos + 2]
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if end_marker != "]]":
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raise suffixed_err(
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src,
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pos,
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f'Found "{end_marker!r}" at the end of an array declaration.'
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' Expected "]]"',
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)
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return pos + 2
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def key_value_rule(src: str, pos: Pos, state: State, parse_float: ParseFloat) -> Pos:
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pos, key, value = parse_key_value_pair(src, pos, parse_float)
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key_parent, key_stem = key[:-1], key[-1]
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abs_key_parent = state.header_namespace + key_parent
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if state.flags.is_(abs_key_parent, Flags.FROZEN):
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raise suffixed_err(
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src, pos, f"Can not mutate immutable namespace {abs_key_parent}"
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||||
)
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# Containers in the relative path can't be opened with the table syntax after this
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state.flags.set_for_relative_key(state.header_namespace, key, Flags.EXPLICIT_NEST)
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try:
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nest = state.out.get_or_create_nest(abs_key_parent)
|
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except KeyError:
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raise suffixed_err(src, pos, "Can not overwrite a value")
|
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if key_stem in nest:
|
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raise suffixed_err(src, pos, "Can not overwrite a value")
|
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# Mark inline table and array namespaces recursively immutable
|
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if isinstance(value, (dict, list)):
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abs_key = state.header_namespace + key
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state.flags.set(abs_key, Flags.FROZEN, recursive=True)
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nest[key_stem] = value
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return pos
|
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|
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def parse_key_value_pair(
|
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src: str, pos: Pos, parse_float: ParseFloat
|
||||
) -> Tuple[Pos, Key, Any]:
|
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pos, key = parse_key(src, pos)
|
||||
try:
|
||||
char: Optional[str] = src[pos]
|
||||
except IndexError:
|
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char = None
|
||||
if char != "=":
|
||||
raise suffixed_err(src, pos, 'Expected "=" after a key in a key/value pair')
|
||||
pos += 1
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pos = skip_chars(src, pos, TOML_WS)
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pos, value = parse_value(src, pos, parse_float)
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return pos, key, value
|
||||
|
||||
|
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def parse_key(src: str, pos: Pos) -> Tuple[Pos, Key]:
|
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pos, key_part = parse_key_part(src, pos)
|
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key = [key_part]
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
while True:
|
||||
try:
|
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char: Optional[str] = src[pos]
|
||||
except IndexError:
|
||||
char = None
|
||||
if char != ".":
|
||||
return pos, tuple(key)
|
||||
pos += 1
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
pos, key_part = parse_key_part(src, pos)
|
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key.append(key_part)
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
|
||||
|
||||
def parse_key_part(src: str, pos: Pos) -> Tuple[Pos, str]:
|
||||
try:
|
||||
char: Optional[str] = src[pos]
|
||||
except IndexError:
|
||||
char = None
|
||||
if char in BARE_KEY_CHARS:
|
||||
start_pos = pos
|
||||
pos = skip_chars(src, pos, BARE_KEY_CHARS)
|
||||
return pos, src[start_pos:pos]
|
||||
if char == "'":
|
||||
return parse_literal_str(src, pos)
|
||||
if char == '"':
|
||||
return parse_one_line_basic_str(src, pos)
|
||||
raise suffixed_err(src, pos, "Invalid initial character for a key part")
|
||||
|
||||
|
||||
def parse_one_line_basic_str(src: str, pos: Pos) -> Tuple[Pos, str]:
|
||||
pos += 1
|
||||
return parse_basic_str(src, pos, multiline=False)
|
||||
|
||||
|
||||
def parse_array(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, list]:
|
||||
pos += 1
|
||||
array: list = []
|
||||
|
||||
pos = skip_comments_and_array_ws(src, pos)
|
||||
if src[pos : pos + 1] == "]":
|
||||
return pos + 1, array
|
||||
while True:
|
||||
pos, val = parse_value(src, pos, parse_float)
|
||||
array.append(val)
|
||||
pos = skip_comments_and_array_ws(src, pos)
|
||||
|
||||
c = src[pos : pos + 1]
|
||||
if c == "]":
|
||||
return pos + 1, array
|
||||
if c != ",":
|
||||
raise suffixed_err(src, pos, "Unclosed array")
|
||||
pos += 1
|
||||
|
||||
pos = skip_comments_and_array_ws(src, pos)
|
||||
if src[pos : pos + 1] == "]":
|
||||
return pos + 1, array
|
||||
|
||||
|
||||
def parse_inline_table(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, dict]:
|
||||
pos += 1
|
||||
nested_dict = NestedDict()
|
||||
flags = Flags()
|
||||
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
if src[pos : pos + 1] == "}":
|
||||
return pos + 1, nested_dict.dict
|
||||
while True:
|
||||
pos, key, value = parse_key_value_pair(src, pos, parse_float)
|
||||
key_parent, key_stem = key[:-1], key[-1]
|
||||
if flags.is_(key, Flags.FROZEN):
|
||||
raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
|
||||
try:
|
||||
nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
|
||||
except KeyError:
|
||||
raise suffixed_err(src, pos, "Can not overwrite a value")
|
||||
if key_stem in nest:
|
||||
raise suffixed_err(src, pos, f'Duplicate inline table key "{key_stem}"')
|
||||
nest[key_stem] = value
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
c = src[pos : pos + 1]
|
||||
if c == "}":
|
||||
return pos + 1, nested_dict.dict
|
||||
if c != ",":
|
||||
raise suffixed_err(src, pos, "Unclosed inline table")
|
||||
if isinstance(value, (dict, list)):
|
||||
flags.set(key, Flags.FROZEN, recursive=True)
|
||||
pos += 1
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
|
||||
|
||||
def parse_basic_str_escape(
|
||||
src: str, pos: Pos, *, multiline: bool = False
|
||||
) -> Tuple[Pos, str]:
|
||||
escape_id = src[pos : pos + 2]
|
||||
pos += 2
|
||||
if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
|
||||
# Skip whitespace until next non-whitespace character or end of
|
||||
# the doc. Error if non-whitespace is found before newline.
|
||||
if escape_id != "\\\n":
|
||||
pos = skip_chars(src, pos, TOML_WS)
|
||||
char = src[pos : pos + 1]
|
||||
if not char:
|
||||
return pos, ""
|
||||
if char != "\n":
|
||||
raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
|
||||
pos += 1
|
||||
pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
|
||||
return pos, ""
|
||||
if escape_id == "\\u":
|
||||
return parse_hex_char(src, pos, 4)
|
||||
if escape_id == "\\U":
|
||||
return parse_hex_char(src, pos, 8)
|
||||
try:
|
||||
return pos, BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
|
||||
except KeyError:
|
||||
if len(escape_id) != 2:
|
||||
raise suffixed_err(src, pos, "Unterminated string")
|
||||
raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
|
||||
|
||||
|
||||
def parse_basic_str_escape_multiline(src: str, pos: Pos) -> Tuple[Pos, str]:
|
||||
return parse_basic_str_escape(src, pos, multiline=True)
|
||||
|
||||
|
||||
def parse_hex_char(src: str, pos: Pos, hex_len: int) -> Tuple[Pos, str]:
|
||||
hex_str = src[pos : pos + hex_len]
|
||||
if len(hex_str) != hex_len or any(c not in string.hexdigits for c in hex_str):
|
||||
raise suffixed_err(src, pos, "Invalid hex value")
|
||||
pos += hex_len
|
||||
hex_int = int(hex_str, 16)
|
||||
if not is_unicode_scalar_value(hex_int):
|
||||
raise suffixed_err(src, pos, "Escaped character is not a Unicode scalar value")
|
||||
return pos, chr(hex_int)
|
||||
|
||||
|
||||
def parse_literal_str(src: str, pos: Pos) -> Tuple[Pos, str]:
|
||||
pos += 1 # Skip starting apostrophe
|
||||
start_pos = pos
|
||||
pos = skip_until(
|
||||
src, pos, "'", error_on=ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True
|
||||
)
|
||||
return pos + 1, src[start_pos:pos] # Skip ending apostrophe
|
||||
|
||||
|
||||
def parse_multiline_str(src: str, pos: Pos, *, literal: bool) -> Tuple[Pos, str]:
|
||||
pos += 3
|
||||
if src[pos : pos + 1] == "\n":
|
||||
pos += 1
|
||||
|
||||
if literal:
|
||||
delim = "'"
|
||||
end_pos = skip_until(
|
||||
src,
|
||||
pos,
|
||||
"'''",
|
||||
error_on=ILLEGAL_MULTILINE_LITERAL_STR_CHARS,
|
||||
error_on_eof=True,
|
||||
)
|
||||
result = src[pos:end_pos]
|
||||
pos = end_pos + 3
|
||||
else:
|
||||
delim = '"'
|
||||
pos, result = parse_basic_str(src, pos, multiline=True)
|
||||
|
||||
# Add at maximum two extra apostrophes/quotes if the end sequence
|
||||
# is 4 or 5 chars long instead of just 3.
|
||||
if src[pos : pos + 1] != delim:
|
||||
return pos, result
|
||||
pos += 1
|
||||
if src[pos : pos + 1] != delim:
|
||||
return pos, result + delim
|
||||
pos += 1
|
||||
return pos, result + (delim * 2)
|
||||
|
||||
|
||||
def parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> Tuple[Pos, str]:
|
||||
if multiline:
|
||||
error_on = ILLEGAL_MULTILINE_BASIC_STR_CHARS
|
||||
parse_escapes = parse_basic_str_escape_multiline
|
||||
else:
|
||||
error_on = ILLEGAL_BASIC_STR_CHARS
|
||||
parse_escapes = parse_basic_str_escape
|
||||
result = ""
|
||||
start_pos = pos
|
||||
while True:
|
||||
try:
|
||||
char = src[pos]
|
||||
except IndexError:
|
||||
raise suffixed_err(src, pos, "Unterminated string")
|
||||
if char == '"':
|
||||
if not multiline:
|
||||
return pos + 1, result + src[start_pos:pos]
|
||||
if src[pos + 1 : pos + 3] == '""':
|
||||
return pos + 3, result + src[start_pos:pos]
|
||||
pos += 1
|
||||
continue
|
||||
if char == "\\":
|
||||
result += src[start_pos:pos]
|
||||
pos, parsed_escape = parse_escapes(src, pos)
|
||||
result += parsed_escape
|
||||
start_pos = pos
|
||||
continue
|
||||
if char in error_on:
|
||||
raise suffixed_err(src, pos, f'Illegal character "{char!r}"')
|
||||
pos += 1
|
||||
|
||||
|
||||
def parse_regex(src: str, pos: Pos, regex: "Pattern") -> Tuple[Pos, str]:
|
||||
match = regex.match(src, pos)
|
||||
if not match:
|
||||
raise suffixed_err(src, pos, "Unexpected sequence")
|
||||
return match.end(), match.group()
|
||||
|
||||
|
||||
def parse_value( # noqa: C901
|
||||
src: str, pos: Pos, parse_float: ParseFloat
|
||||
) -> Tuple[Pos, Any]:
|
||||
try:
|
||||
char: Optional[str] = src[pos]
|
||||
except IndexError:
|
||||
char = None
|
||||
|
||||
# Basic strings
|
||||
if char == '"':
|
||||
if src[pos + 1 : pos + 3] == '""':
|
||||
return parse_multiline_str(src, pos, literal=False)
|
||||
return parse_one_line_basic_str(src, pos)
|
||||
|
||||
# Literal strings
|
||||
if char == "'":
|
||||
if src[pos + 1 : pos + 3] == "''":
|
||||
return parse_multiline_str(src, pos, literal=True)
|
||||
return parse_literal_str(src, pos)
|
||||
|
||||
# Booleans
|
||||
if char == "t":
|
||||
if src[pos + 1 : pos + 4] == "rue":
|
||||
return pos + 4, True
|
||||
if char == "f":
|
||||
if src[pos + 1 : pos + 5] == "alse":
|
||||
return pos + 5, False
|
||||
|
||||
# Dates and times
|
||||
datetime_match = RE_DATETIME.match(src, pos)
|
||||
if datetime_match:
|
||||
try:
|
||||
datetime_obj = match_to_datetime(datetime_match)
|
||||
except ValueError:
|
||||
raise suffixed_err(src, pos, "Invalid date or datetime")
|
||||
return datetime_match.end(), datetime_obj
|
||||
localtime_match = RE_LOCALTIME.match(src, pos)
|
||||
if localtime_match:
|
||||
return localtime_match.end(), match_to_localtime(localtime_match)
|
||||
|
||||
# Non-decimal integers
|
||||
if char == "0":
|
||||
second_char = src[pos + 1 : pos + 2]
|
||||
if second_char == "x":
|
||||
pos, hex_str = parse_regex(src, pos + 2, RE_HEX)
|
||||
return pos, int(hex_str, 16)
|
||||
if second_char == "o":
|
||||
pos, oct_str = parse_regex(src, pos + 2, RE_OCT)
|
||||
return pos, int(oct_str, 8)
|
||||
if second_char == "b":
|
||||
pos, bin_str = parse_regex(src, pos + 2, RE_BIN)
|
||||
return pos, int(bin_str, 2)
|
||||
|
||||
# Decimal integers and "normal" floats.
|
||||
# The regex will greedily match any type starting with a decimal
|
||||
# char, so needs to be located after handling of non-decimal ints,
|
||||
# and dates and times.
|
||||
number_match = RE_NUMBER.match(src, pos)
|
||||
if number_match:
|
||||
return number_match.end(), match_to_number(number_match, parse_float)
|
||||
|
||||
# Arrays
|
||||
if char == "[":
|
||||
return parse_array(src, pos, parse_float)
|
||||
|
||||
# Inline tables
|
||||
if char == "{":
|
||||
return parse_inline_table(src, pos, parse_float)
|
||||
|
||||
# Special floats
|
||||
first_three = src[pos : pos + 3]
|
||||
if first_three in {"inf", "nan"}:
|
||||
return pos + 3, parse_float(first_three)
|
||||
first_four = src[pos : pos + 4]
|
||||
if first_four in {"-inf", "+inf", "-nan", "+nan"}:
|
||||
return pos + 4, parse_float(first_four)
|
||||
|
||||
raise suffixed_err(src, pos, "Invalid value")
|
||||
|
||||
|
||||
def suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
|
||||
"""Return a `TOMLDecodeError` where error message is suffixed with
|
||||
coordinates in source."""
|
||||
|
||||
def coord_repr(src: str, pos: Pos) -> str:
|
||||
if pos >= len(src):
|
||||
return "end of document"
|
||||
line = src.count("\n", 0, pos) + 1
|
||||
if line == 1:
|
||||
column = pos + 1
|
||||
else:
|
||||
column = pos - src.rindex("\n", 0, pos)
|
||||
return f"line {line}, column {column}"
|
||||
|
||||
return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
|
||||
|
||||
|
||||
def is_unicode_scalar_value(codepoint: int) -> bool:
|
||||
return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
|
||||
83
utils/python-venv/Lib/site-packages/pip/_vendor/tomli/_re.py
Normal file
83
utils/python-venv/Lib/site-packages/pip/_vendor/tomli/_re.py
Normal file
@ -0,0 +1,83 @@
|
||||
from datetime import date, datetime, time, timedelta, timezone, tzinfo
|
||||
import re
|
||||
from typing import TYPE_CHECKING, Any, Optional, Union
|
||||
|
||||
if TYPE_CHECKING:
|
||||
from re import Match
|
||||
|
||||
from pip._vendor.tomli._parser import ParseFloat
|
||||
|
||||
# E.g.
|
||||
# - 00:32:00.999999
|
||||
# - 00:32:00
|
||||
_TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?"
|
||||
|
||||
RE_HEX = re.compile(r"[0-9A-Fa-f](?:_?[0-9A-Fa-f])*")
|
||||
RE_BIN = re.compile(r"[01](?:_?[01])*")
|
||||
RE_OCT = re.compile(r"[0-7](?:_?[0-7])*")
|
||||
RE_NUMBER = re.compile(
|
||||
r"[+-]?(?:0|[1-9](?:_?[0-9])*)" # integer
|
||||
+ r"(?:\.[0-9](?:_?[0-9])*)?" # optional fractional part
|
||||
+ r"(?:[eE][+-]?[0-9](?:_?[0-9])*)?" # optional exponent part
|
||||
)
|
||||
RE_LOCALTIME = re.compile(_TIME_RE_STR)
|
||||
RE_DATETIME = re.compile(
|
||||
r"([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|1[0-9]|2[0-9]|3[01])" # date, e.g. 1988-10-27
|
||||
+ r"(?:"
|
||||
+ r"[T ]"
|
||||
+ _TIME_RE_STR
|
||||
+ r"(?:(Z)|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))?" # time offset
|
||||
+ r")?"
|
||||
)
|
||||
|
||||
|
||||
def match_to_datetime(match: "Match") -> Union[datetime, date]:
|
||||
"""Convert a `RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
|
||||
|
||||
Raises ValueError if the match does not correspond to a valid date
|
||||
or datetime.
|
||||
"""
|
||||
(
|
||||
year_str,
|
||||
month_str,
|
||||
day_str,
|
||||
hour_str,
|
||||
minute_str,
|
||||
sec_str,
|
||||
micros_str,
|
||||
zulu_time,
|
||||
offset_dir_str,
|
||||
offset_hour_str,
|
||||
offset_minute_str,
|
||||
) = match.groups()
|
||||
year, month, day = int(year_str), int(month_str), int(day_str)
|
||||
if hour_str is None:
|
||||
return date(year, month, day)
|
||||
hour, minute, sec = int(hour_str), int(minute_str), int(sec_str)
|
||||
micros = int(micros_str[1:].ljust(6, "0")[:6]) if micros_str else 0
|
||||
if offset_dir_str:
|
||||
offset_dir = 1 if offset_dir_str == "+" else -1
|
||||
tz: Optional[tzinfo] = timezone(
|
||||
timedelta(
|
||||
hours=offset_dir * int(offset_hour_str),
|
||||
minutes=offset_dir * int(offset_minute_str),
|
||||
)
|
||||
)
|
||||
elif zulu_time:
|
||||
tz = timezone.utc
|
||||
else: # local date-time
|
||||
tz = None
|
||||
return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
|
||||
|
||||
|
||||
def match_to_localtime(match: "Match") -> time:
|
||||
hour_str, minute_str, sec_str, micros_str = match.groups()
|
||||
micros = int(micros_str[1:].ljust(6, "0")[:6]) if micros_str else 0
|
||||
return time(int(hour_str), int(minute_str), int(sec_str), micros)
|
||||
|
||||
|
||||
def match_to_number(match: "Match", parse_float: "ParseFloat") -> Any:
|
||||
match_str = match.group()
|
||||
if "." in match_str or "e" in match_str or "E" in match_str:
|
||||
return parse_float(match_str)
|
||||
return int(match_str)
|
||||
Reference in New Issue
Block a user