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https://gitea.osmocom.org/sim-card/pysim.git
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3b4a673de4
This is a tool to work with eSIM profiles in SAIP format. It allows to dump the contents, run constraint checkers as well as splitting of the PE-Sequence into the individual PEs. Change-Id: I396bcd594e0628dfc26bd90233317a77e2f91b20
78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
import pprint
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from pprint import PrettyPrinter
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from functools import singledispatch, wraps
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from typing import get_type_hints
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from pySim.utils import b2h
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def common_container_checks(f):
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type_ = get_type_hints(f)['object']
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base_impl = type_.__repr__
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empty_repr = repr(type_()) # {}, [], ()
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too_deep_repr = f'{empty_repr[0]}...{empty_repr[-1]}' # {...}, [...], (...)
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@wraps(f)
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def wrapper(object, context, maxlevels, level):
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if type(object).__repr__ is not base_impl: # subclassed repr
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return repr(object)
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if not object: # empty, short-circuit
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return empty_repr
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if maxlevels and level >= maxlevels: # exceeding the max depth
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return too_deep_repr
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oid = id(object)
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if oid in context: # self-reference
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return pprint._recursion(object)
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context[oid] = 1
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result = f(object, context, maxlevels, level)
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del context[oid]
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return result
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return wrapper
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@singledispatch
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def saferepr(object, context, maxlevels, level):
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return repr(object)
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@saferepr.register
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def _handle_bytes(object: bytes, *args):
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if len(object) <= 40:
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return '"%s"' % b2h(object)
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else:
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return '"%s...%s"' % (b2h(object[:20]), b2h(object[-20:]))
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@saferepr.register
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@common_container_checks
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def _handle_dict(object: dict, context, maxlevels, level):
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level += 1
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contents = [
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f'{saferepr(k, context, maxlevels, level)}: '
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f'{saferepr(v, context, maxlevels, level)}'
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for k, v in sorted(object.items(), key=pprint._safe_tuple)
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]
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return f'{{{", ".join(contents)}}}'
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@saferepr.register
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@common_container_checks
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def _handle_list(object: list, context, maxlevels, level):
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level += 1
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contents = [
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f'{saferepr(v, context, maxlevels, level)}'
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for v in object
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]
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return f'[{", ".join(contents)}]'
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@saferepr.register
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@common_container_checks
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def _handle_tuple(object: tuple, context, maxlevels, level):
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level += 1
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if len(object) == 1:
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return f'({saferepr(object[0], context, maxlevels, level)},)'
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contents = [
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f'{saferepr(v, context, maxlevels, level)}'
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for v in object
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]
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return f'({", ".join(contents)})'
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class HexBytesPrettyPrinter(PrettyPrinter):
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def format(self, *args):
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# it doesn't matter what the boolean values are here
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return saferepr(*args), True, False
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