iframe-proxy | Sunbelt Computer Software

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# The MIT License
# Copyright (c) 2015-2021 Sebastian Ramacher
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
from typing import Optional, Pattern, Match, Optional, Iterator
    from functools import cached_property
except ImportError:
    from backports.cached_property import cached_property  # type: ignore [no-redef]
class LazyReCompile:
    """Compile regular expressions on first use
    This class allows one to store regular expressions and compiles them on
    first use."""
    def __init__(self, regex: str, flags: int = 0) -> None:
        self.regex = regex
        self.flags = flags
    @cached_property
    def compiled(self) -> Pattern[str]:
        return re.compile(self.regex, self.flags)
    def finditer(self, *args, **kwargs) -> Iterator[Match[str]]:
        return self.compiled.finditer(*args, **kwargs)
    def search(self, *args, **kwargs) -> Optional[Match[str]]:
        return self.compiled.search(*args, **kwargs)
    def match(self, *args, **kwargs) -> Optional[Match[str]]:
        return self.compiled.match(*args, **kwargs)
    def sub(self, *args, **kwargs) -> str:
        return self.compiled.sub(*args, **kwargs)

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