mirror of
https://github.com/jdejaegh/python-irceline.git
synced 2025-06-27 03:35:56 +02:00
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
from collections import OrderedDict
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from typing import Tuple
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from src.open_irceline import project_transform
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class SizedDict(OrderedDict):
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"""Dictionary with a maximum size. When more items are added, the least recently accessed element is evicted"""
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def __init__(self, size: int):
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super().__init__()
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self._size = size
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def __setitem__(self, key, value):
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super().__setitem__(key, value)
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self.move_to_end(key)
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if len(self) > self._size:
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print('drop', self.popitem(False)[0])
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def __getitem__(self, key):
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self.move_to_end(key)
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return super().__getitem__(key)
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def get(self, __key, __default=None):
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self.move_to_end(__key)
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return super().get(__key, __default)
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def update(self, __m, **kwargs):
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raise NotImplementedError()
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def epsg_transform(position: Tuple[float, float]) -> tuple:
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"""
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Convert 'EPSG:4326' coordinates to 'EPSG:31370' coordinates
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:param position: (x, y) coordinates
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:return: tuple of int in the EPSG:31370 system
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"""
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result = project_transform.transform(position[0], position[1])
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return round(result[0]), round(result[1])
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def round_coordinates(x: float, y: float, step=.05):
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n = 1 / step
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return round(x * n) / n, round(y * n) / n
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