two version of R2R are hereHEADmaster

1 files changed, 380 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/marshmallow/utils.py b/.venv/lib/python3.12/site-packages/marshmallow/utils.py
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+"""Utility methods for marshmallow."""
+
+# ruff: noqa: T201, T203
+from __future__ import annotations
+
+import collections
+import datetime as dt
+import functools
+import inspect
+import json
+import re
+import typing
+import warnings
+from collections.abc import Mapping
+from email.utils import format_datetime, parsedate_to_datetime
+from pprint import pprint as py_pprint
+
+from marshmallow.base import FieldABC
+from marshmallow.exceptions import FieldInstanceResolutionError
+from marshmallow.warnings import RemovedInMarshmallow4Warning
+
+if typing.TYPE_CHECKING:
+    from marshmallow.fields import Field
+
+
+EXCLUDE = "exclude"
+INCLUDE = "include"
+RAISE = "raise"
+_UNKNOWN_VALUES = {EXCLUDE, INCLUDE, RAISE}
+
+
+class _Missing:
+    def __bool__(self):
+        return False
+
+    def __copy__(self):
+        return self
+
+    def __deepcopy__(self, _):
+        return self
+
+    def __repr__(self):
+        return "<marshmallow.missing>"
+
+
+# Singleton value that indicates that a field's value is missing from input
+# dict passed to `Schema.load <marshmallow.Schema.load>`. If the field's value is not required,
+# it's ``default`` value is used.
+missing = _Missing()
+
+
+def is_generator(obj) -> bool:
+    """Return True if ``obj`` is a generator"""
+    return inspect.isgeneratorfunction(obj) or inspect.isgenerator(obj)
+
+
+def is_iterable_but_not_string(obj) -> bool:
+    """Return True if ``obj`` is an iterable object that isn't a string."""
+    return (hasattr(obj, "__iter__") and not hasattr(obj, "strip")) or is_generator(obj)
+
+
+def is_collection(obj) -> bool:
+    """Return True if ``obj`` is a collection type, e.g list, tuple, queryset."""
+    return is_iterable_but_not_string(obj) and not isinstance(obj, Mapping)
+
+
+def is_instance_or_subclass(val, class_) -> bool:
+    """Return True if ``val`` is either a subclass or instance of ``class_``."""
+    try:
+        return issubclass(val, class_)
+    except TypeError:
+        return isinstance(val, class_)
+
+
+def is_keyed_tuple(obj) -> bool:
+    """Return True if ``obj`` has keyed tuple behavior, such as
+    namedtuples or SQLAlchemy's KeyedTuples.
+    """
+    return isinstance(obj, tuple) and hasattr(obj, "_fields")
+
+
+def pprint(obj, *args, **kwargs) -> None:
+    """Pretty-printing function that can pretty-print OrderedDicts
+    like regular dictionaries. Useful for printing the output of
+    :meth:`marshmallow.Schema.dump`.
+
+    .. deprecated:: 3.7.0
+        marshmallow.pprint will be removed in marshmallow 4.
+    """
+    warnings.warn(
+        "marshmallow's pprint function is deprecated and will be removed in marshmallow 4.",
+        RemovedInMarshmallow4Warning,
+        stacklevel=2,
+    )
+    if isinstance(obj, collections.OrderedDict):
+        print(json.dumps(obj, *args, **kwargs))
+    else:
+        py_pprint(obj, *args, **kwargs)
+
+
+# https://stackoverflow.com/a/27596917
+def is_aware(datetime: dt.datetime) -> bool:
+    return (
+        datetime.tzinfo is not None and datetime.tzinfo.utcoffset(datetime) is not None
+    )
+
+
+def from_rfc(datestring: str) -> dt.datetime:
+    """Parse a RFC822-formatted datetime string and return a datetime object.
+
+    https://stackoverflow.com/questions/885015/how-to-parse-a-rfc-2822-date-time-into-a-python-datetime  # noqa: B950
+    """
+    return parsedate_to_datetime(datestring)
+
+
+def rfcformat(datetime: dt.datetime) -> str:
+    """Return the RFC822-formatted representation of a datetime object.
+
+    :param datetime: The datetime.
+    """
+    return format_datetime(datetime)
+
+
+# Hat tip to Django for ISO8601 deserialization functions
+
+_iso8601_datetime_re = re.compile(
+    r"(?P<year>\d{4})-(?P<month>\d{1,2})-(?P<day>\d{1,2})"
+    r"[T ](?P<hour>\d{1,2}):(?P<minute>\d{1,2})"
+    r"(?::(?P<second>\d{1,2})(?:\.(?P<microsecond>\d{1,6})\d{0,6})?)?"
+    r"(?P<tzinfo>Z|[+-]\d{2}(?::?\d{2})?)?$"
+)
+
+_iso8601_date_re = re.compile(r"(?P<year>\d{4})-(?P<month>\d{1,2})-(?P<day>\d{1,2})$")
+
+_iso8601_time_re = re.compile(
+    r"(?P<hour>\d{1,2}):(?P<minute>\d{1,2})"
+    r"(?::(?P<second>\d{1,2})(?:\.(?P<microsecond>\d{1,6})\d{0,6})?)?"
+)
+
+
+def get_fixed_timezone(offset: float | dt.timedelta) -> dt.timezone:
+    """Return a tzinfo instance with a fixed offset from UTC."""
+    if isinstance(offset, dt.timedelta):
+        offset = offset.total_seconds() // 60
+    sign = "-" if offset < 0 else "+"
+    hhmm = "{:02d}{:02d}".format(*divmod(abs(offset), 60))
+    name = sign + hhmm
+    return dt.timezone(dt.timedelta(minutes=offset), name)
+
+
+def from_iso_datetime(value):
+    """Parse a string and return a datetime.datetime.
+
+    This function supports time zone offsets. When the input contains one,
+    the output uses a timezone with a fixed offset from UTC.
+    """
+    match = _iso8601_datetime_re.match(value)
+    if not match:
+        raise ValueError("Not a valid ISO8601-formatted datetime string")
+    kw = match.groupdict()
+    kw["microsecond"] = kw["microsecond"] and kw["microsecond"].ljust(6, "0")
+    tzinfo = kw.pop("tzinfo")
+    if tzinfo == "Z":
+        tzinfo = dt.timezone.utc
+    elif tzinfo is not None:
+        offset_mins = int(tzinfo[-2:]) if len(tzinfo) > 3 else 0
+        offset = 60 * int(tzinfo[1:3]) + offset_mins
+        if tzinfo[0] == "-":
+            offset = -offset
+        tzinfo = get_fixed_timezone(offset)
+    kw = {k: int(v) for k, v in kw.items() if v is not None}
+    kw["tzinfo"] = tzinfo
+    return dt.datetime(**kw)  # noqa: DTZ001
+
+
+def from_iso_time(value):
+    """Parse a string and return a datetime.time.
+
+    This function doesn't support time zone offsets.
+    """
+    match = _iso8601_time_re.match(value)
+    if not match:
+        raise ValueError("Not a valid ISO8601-formatted time string")
+    kw = match.groupdict()
+    kw["microsecond"] = kw["microsecond"] and kw["microsecond"].ljust(6, "0")
+    kw = {k: int(v) for k, v in kw.items() if v is not None}
+    return dt.time(**kw)
+
+
+def from_iso_date(value):
+    """Parse a string and return a datetime.date."""
+    match = _iso8601_date_re.match(value)
+    if not match:
+        raise ValueError("Not a valid ISO8601-formatted date string")
+    kw = {k: int(v) for k, v in match.groupdict().items()}
+    return dt.date(**kw)
+
+
+def from_timestamp(value: typing.Any) -> dt.datetime:
+    if value is True or value is False:
+        raise ValueError("Not a valid POSIX timestamp")
+    value = float(value)
+    if value < 0:
+        raise ValueError("Not a valid POSIX timestamp")
+
+    # Load a timestamp with utc as timezone to prevent using system timezone.
+    # Then set timezone to None, to let the Field handle adding timezone info.
+    try:
+        return dt.datetime.fromtimestamp(value, tz=dt.timezone.utc).replace(tzinfo=None)
+    except OverflowError as exc:
+        raise ValueError("Timestamp is too large") from exc
+    except OSError as exc:
+        raise ValueError("Error converting value to datetime") from exc
+
+
+def from_timestamp_ms(value: typing.Any) -> dt.datetime:
+    value = float(value)
+    return from_timestamp(value / 1000)
+
+
+def timestamp(
+    value: dt.datetime,
+) -> float:
+    if not is_aware(value):
+        # When a date is naive, use UTC as zone info to prevent using system timezone.
+        value = value.replace(tzinfo=dt.timezone.utc)
+    return value.timestamp()
+
+
+def timestamp_ms(value: dt.datetime) -> float:
+    return timestamp(value) * 1000
+
+
+def isoformat(datetime: dt.datetime) -> str:
+    """Return the ISO8601-formatted representation of a datetime object.
+
+    :param datetime: The datetime.
+    """
+    return datetime.isoformat()
+
+
+def to_iso_time(time: dt.time) -> str:
+    return dt.time.isoformat(time)
+
+
+def to_iso_date(date: dt.date) -> str:
+    return dt.date.isoformat(date)
+
+
+def ensure_text_type(val: str | bytes) -> str:
+    if isinstance(val, bytes):
+        val = val.decode("utf-8")
+    return str(val)
+
+
+def pluck(dictlist: list[dict[str, typing.Any]], key: str):
+    """Extracts a list of dictionary values from a list of dictionaries.
+    ::
+
+        >>> dlist = [{'id': 1, 'name': 'foo'}, {'id': 2, 'name': 'bar'}]
+        >>> pluck(dlist, 'id')
+        [1, 2]
+    """
+    return [d[key] for d in dictlist]
+
+
+# Various utilities for pulling keyed values from objects
+
+
+def get_value(obj, key: int | str, default=missing):
+    """Helper for pulling a keyed value off various types of objects. Fields use
+    this method by default to access attributes of the source object. For object `x`
+    and attribute `i`, this method first tries to access `x[i]`, and then falls back to
+    `x.i` if an exception is raised.
+
+    .. warning::
+        If an object `x` does not raise an exception when `x[i]` does not exist,
+        `get_value` will never check the value `x.i`. Consider overriding
+        `marshmallow.fields.Field.get_value` in this case.
+    """
+    if not isinstance(key, int) and "." in key:
+        return _get_value_for_keys(obj, key.split("."), default)
+    return _get_value_for_key(obj, key, default)
+
+
+def _get_value_for_keys(obj, keys, default):
+    if len(keys) == 1:
+        return _get_value_for_key(obj, keys[0], default)
+    return _get_value_for_keys(
+        _get_value_for_key(obj, keys[0], default), keys[1:], default
+    )
+
+
+def _get_value_for_key(obj, key, default):
+    if not hasattr(obj, "__getitem__"):
+        return getattr(obj, key, default)
+
+    try:
+        return obj[key]
+    except (KeyError, IndexError, TypeError, AttributeError):
+        return getattr(obj, key, default)
+
+
+def set_value(dct: dict[str, typing.Any], key: str, value: typing.Any):
+    """Set a value in a dict. If `key` contains a '.', it is assumed
+    be a path (i.e. dot-delimited string) to the value's location.
+
+    ::
+
+        >>> d = {}
+        >>> set_value(d, 'foo.bar', 42)
+        >>> d
+        {'foo': {'bar': 42}}
+    """
+    if "." in key:
+        head, rest = key.split(".", 1)
+        target = dct.setdefault(head, {})
+        if not isinstance(target, dict):
+            raise ValueError(
+                f"Cannot set {key} in {head} due to existing value: {target}"
+            )
+        set_value(target, rest, value)
+    else:
+        dct[key] = value
+
+
+def callable_or_raise(obj):
+    """Check that an object is callable, else raise a :exc:`TypeError`."""
+    if not callable(obj):
+        raise TypeError(f"Object {obj!r} is not callable.")
+    return obj
+
+
+def _signature(func: typing.Callable) -> list[str]:
+    return list(inspect.signature(func).parameters.keys())
+
+
+def get_func_args(func: typing.Callable) -> list[str]:
+    """Given a callable, return a list of argument names. Handles
+    `functools.partial` objects and class-based callables.
+
+    .. versionchanged:: 3.0.0a1
+        Do not return bound arguments, eg. ``self``.
+    """
+    if inspect.isfunction(func) or inspect.ismethod(func):
+        return _signature(func)
+    if isinstance(func, functools.partial):
+        return _signature(func.func)
+    # Callable class
+    return _signature(func)
+
+
+def resolve_field_instance(cls_or_instance: type[Field] | Field) -> Field:
+    """Return a field instance from a field class or instance.
+
+    :param cls_or_instance: Field class or instance.
+    """
+    if isinstance(cls_or_instance, type):
+        if not issubclass(cls_or_instance, FieldABC):
+            raise FieldInstanceResolutionError
+        return cls_or_instance()
+    if not isinstance(cls_or_instance, FieldABC):
+        raise FieldInstanceResolutionError
+    return cls_or_instance
+
+
+def timedelta_to_microseconds(value: dt.timedelta) -> int:
+    """Compute the total microseconds of a timedelta
+
+    https://github.com/python/cpython/blob/bb3e0c240bc60fe08d332ff5955d54197f79751c/Lib/datetime.py#L665-L667  # noqa: B950
+    """
+    return (value.days * (24 * 3600) + value.seconds) * 1000000 + value.microseconds
+
+
+def validate_unknown_parameter_value(obj: typing.Any) -> str:
+    if obj not in _UNKNOWN_VALUES:
+        raise ValueError(
+            f"Object {obj!r} is not a valid value for the 'unknown' parameter"
+        )
+    return obj