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?? __init__.py(4.68 KB)
?? __pycache__
?? connectors
?? cprocessors.cpython-311-x86_64-linux-gnu.so(18.89 KB)
?? cresultproxy.cpython-311-x86_64-linux-gnu.so(23.58 KB)
?? cutils.cpython-311-x86_64-linux-gnu.so(12.35 KB)
?? databases
?? dialects
?? engine
?? event
?? events.py(52.37 KB)
?? exc.py(17.46 KB)
?? ext
?? inspection.py(2.96 KB)
?? interfaces.py(12.44 KB)
?? log.py(6.55 KB)
?? orm
?? pool
?? processors.py(5.61 KB)
?? schema.py(2.41 KB)
?? sql
?? testing
?? types.py(3.3 KB)
?? util

Editing: processors.py

# sqlalchemy/processors.py
# Copyright (C) 2010-2021 the SQLAlchemy authors and contributors
# <see AUTHORS file>
# Copyright (C) 2010 Gaetan de Menten gdementen@gmail.com
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php

"""defines generic type conversion functions, as used in bind and result
processors.

They all share one common characteristic: None is passed through unchanged.

"""

import codecs
import datetime
import re

from . import util

def str_to_datetime_processor_factory(regexp, type_):
    rmatch = regexp.match
    # Even on python2.6 datetime.strptime is both slower than this code
    # and it does not support microseconds.
    has_named_groups = bool(regexp.groupindex)

def process(value):
        if value is None:
            return None
        else:
            try:
                m = rmatch(value)
            except TypeError as err:
                util.raise_(
                    ValueError(
                        "Couldn't parse %s string '%r' "
                        "- value is not a string." % (type_.__name__, value)
                    ),
                    from_=err,
                )
            if m is None:
                raise ValueError(
                    "Couldn't parse %s string: "
                    "'%s'" % (type_.__name__, value)
                )
            if has_named_groups:
                groups = m.groupdict(0)
                return type_(
                    **dict(
                        list(
                            zip(
                                iter(groups.keys()),
                                list(map(int, iter(groups.values()))),
                            )
                        )
                    )
                )
            else:
                return type_(*list(map(int, m.groups(0))))

return process

def py_fallback():
    def to_unicode_processor_factory(encoding, errors=None):
        decoder = codecs.getdecoder(encoding)

def process(value):
            if value is None:
                return None
            else:
                # decoder returns a tuple: (value, len). Simply dropping the
                # len part is safe: it is done that way in the normal
                # 'xx'.decode(encoding) code path.
                return decoder(value, errors)[0]

return process

def to_conditional_unicode_processor_factory(encoding, errors=None):
        decoder = codecs.getdecoder(encoding)

def process(value):
            if value is None:
                return None
            elif isinstance(value, util.text_type):
                return value
            else:
                # decoder returns a tuple: (value, len). Simply dropping the
                # len part is safe: it is done that way in the normal
                # 'xx'.decode(encoding) code path.
                return decoder(value, errors)[0]

return process

def to_decimal_processor_factory(target_class, scale):
        fstring = "%%.%df" % scale

def process(value):
            if value is None:
                return None
            else:
                return target_class(fstring % value)

return process

def to_float(value):  # noqa
        if value is None:
            return None
        else:
            return float(value)

def to_str(value):  # noqa
        if value is None:
            return None
        else:
            return str(value)

def int_to_boolean(value):  # noqa
        if value is None:
            return None
        else:
            return bool(value)

DATETIME_RE = re.compile(
        r"(\d+)-(\d+)-(\d+) (\d+):(\d+):(\d+)(?:\.(\d+))?"
    )
    TIME_RE = re.compile(r"(\d+):(\d+):(\d+)(?:\.(\d+))?")
    DATE_RE = re.compile(r"(\d+)-(\d+)-(\d+)")

str_to_datetime = str_to_datetime_processor_factory(  # noqa
        DATETIME_RE, datetime.datetime
    )
    str_to_time = str_to_datetime_processor_factory(  # noqa
        TIME_RE, datetime.time
    )  # noqa
    str_to_date = str_to_datetime_processor_factory(  # noqa
        DATE_RE, datetime.date
    )  # noqa
    return locals()

try:
    from sqlalchemy.cprocessors import DecimalResultProcessor  # noqa
    from sqlalchemy.cprocessors import int_to_boolean  # noqa
    from sqlalchemy.cprocessors import str_to_date  # noqa
    from sqlalchemy.cprocessors import str_to_datetime  # noqa
    from sqlalchemy.cprocessors import str_to_time  # noqa
    from sqlalchemy.cprocessors import to_float  # noqa
    from sqlalchemy.cprocessors import to_str  # noqa
    from sqlalchemy.cprocessors import UnicodeResultProcessor  # noqa

def to_unicode_processor_factory(encoding, errors=None):
        if errors is not None:
            return UnicodeResultProcessor(encoding, errors).process
        else:
            return UnicodeResultProcessor(encoding).process

def to_conditional_unicode_processor_factory(encoding, errors=None):
        if errors is not None:
            return UnicodeResultProcessor(encoding, errors).conditional_process
        else:
            return UnicodeResultProcessor(encoding).conditional_process

def to_decimal_processor_factory(target_class, scale):
        # Note that the scale argument is not taken into account for integer
        # values in the C implementation while it is in the Python one.
        # For example, the Python implementation might return
        # Decimal('5.00000') whereas the C implementation will
        # return Decimal('5'). These are equivalent of course.
        return DecimalResultProcessor(target_class, "%%.%df" % scale).process

except ImportError:
    globals().update(py_fallback())

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