MAINHACK

Viewing / Editing File: json.py

File is not writable. Editing disabled.
from pathlib import Path
from json import loads, dumps
from typing import Any, Callable, Optional, Union

from .text import Text
from .highlighter import JSONHighlighter, NullHighlighter


class JSON:
    """A renderable which pretty prints JSON.

    Args:
        json (str): JSON encoded data.
        indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
        highlight (bool, optional): Enable highlighting. Defaults to True.
        skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
        ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
        check_circular (bool, optional): Check for circular references. Defaults to True.
        allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
        default (Callable, optional): A callable that converts values that can not be encoded
            in to something that can be JSON encoded. Defaults to None.
        sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
    """

    def __init__(
        self,
        json: str,
        indent: Union[None, int, str] = 2,
        highlight: bool = True,
        skip_keys: bool = False,
        ensure_ascii: bool = False,
        check_circular: bool = True,
        allow_nan: bool = True,
        default: Optional[Callable[[Any], Any]] = None,
        sort_keys: bool = False,
    ) -> None:
        data = loads(json)
        json = dumps(
            data,
            indent=indent,
            skipkeys=skip_keys,
            ensure_ascii=ensure_ascii,
            check_circular=check_circular,
            allow_nan=allow_nan,
            default=default,
            sort_keys=sort_keys,
        )
        highlighter = JSONHighlighter() if highlight else NullHighlighter()
        self.text = highlighter(json)
        self.text.no_wrap = True
        self.text.overflow = None

    @classmethod
    def from_data(
        cls,
        data: Any,
        indent: Union[None, int, str] = 2,
        highlight: bool = True,
        skip_keys: bool = False,
        ensure_ascii: bool = False,
        check_circular: bool = True,
        allow_nan: bool = True,
        default: Optional[Callable[[Any], Any]] = None,
        sort_keys: bool = False,
    ) -> "JSON":
        """Encodes a JSON object from arbitrary data.

        Args:
            data (Any): An object that may be encoded in to JSON
            indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
            highlight (bool, optional): Enable highlighting. Defaults to True.
            default (Callable, optional): Optional callable which will be called for objects that cannot be serialized. Defaults to None.
            skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
            ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
            check_circular (bool, optional): Check for circular references. Defaults to True.
            allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
            default (Callable, optional): A callable that converts values that can not be encoded
                in to something that can be JSON encoded. Defaults to None.
            sort_keys (bool, optional): Sort dictionary keys. Defaults to False.

        Returns:
            JSON: New JSON object from the given data.
        """
        json_instance: "JSON" = cls.__new__(cls)
        json = dumps(
            data,
            indent=indent,
            skipkeys=skip_keys,
            ensure_ascii=ensure_ascii,
            check_circular=check_circular,
            allow_nan=allow_nan,
            default=default,
            sort_keys=sort_keys,
        )
        highlighter = JSONHighlighter() if highlight else NullHighlighter()
        json_instance.text = highlighter(json)
        json_instance.text.no_wrap = True
        json_instance.text.overflow = None
        return json_instance

    def __rich__(self) -> Text:
        return self.text


if __name__ == "__main__":

    import argparse
    import sys

    parser = argparse.ArgumentParser(description="Pretty print json")
    parser.add_argument(
        "path",
        metavar="PATH",
        help="path to file, or - for stdin",
    )
    parser.add_argument(
        "-i",
        "--indent",
        metavar="SPACES",
        type=int,
        help="Number of spaces in an indent",
        default=2,
    )
    args = parser.parse_args()

    from pip._vendor.rich.console import Console

    console = Console()
    error_console = Console(stderr=True)

    try:
        if args.path == "-":
            json_data = sys.stdin.read()
        else:
            json_data = Path(args.path).read_text()
    except Exception as error:
        error_console.print(f"Unable to read {args.path!r}; {error}")
        sys.exit(-1)

    console.print(JSON(json_data, indent=args.indent), soft_wrap=True)
Cancel / Back
[ MAINHACK ]

Viewing / Editing File: json.py

Server Info

System Features

User Info
