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"""
# -*- coding: utf-8 -*-
#
# Copyright 2021 Michael Büsch <m@bues.ch>
#
# Licensed under the Apache License version 2.0
# or the MIT license, at your option.
# SPDX-License-Identifier: Apache-2.0 OR MIT
#
"""
__all__ = [
"GenericIter",
"pprint",
"printlist",
]
from dataclasses import dataclass
from pprint import pprint
from typing import Any
def printlist(lst, prefix=""):
if prefix:
print(f"{prefix}:")
for i, one in enumerate(lst):
for j, line in enumerate(str(one).splitlines()):
if j == 0:
print(f"{i:02d}: {line}")
else:
print(f" {line}")
@dataclass
class GenericIter(object):
obj: Any
size: int
rev: bool = False
pos: int = 0
def __iter__(self):
return self
def _next(self):
pos = self.pos
if self.rev:
if pos < 0:
raise StopIteration
self.pos -= 1
else:
if pos >= self.size:
raise StopIteration
self.pos += 1
return self.obj, pos
# vim: ts=4 sw=4 expandtab
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