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# -*- coding:utf-8 -*- |
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""" |
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Module with functions for work with alignment |
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""" |
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from typing import Optional, Iterable |
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from keyboa.constants import AUTO_ALIGNMENT_RANGE, \ |
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MAXIMUM_ITEMS_IN_LINE, MINIMUM_ITEMS_IN_LINE |
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def calculate_items_in_row( |
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items, auto_alignment, reverse_alignment_range) -> Optional[int]: |
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""" |
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:param items: |
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:param auto_alignment: |
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:param reverse_alignment_range: |
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:return: |
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""" |
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items_in_row = None |
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alignment_range = get_alignment_range(auto_alignment) |
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if reverse_alignment_range: |
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alignment_range = reversed(alignment_range) |
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for divider in alignment_range: |
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if not len(items) % divider: |
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items_in_row = divider |
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break |
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return items_in_row |
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def get_alignment_range(auto_alignment): |
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""" |
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:param auto_alignment: |
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:return: |
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""" |
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if isinstance(auto_alignment, bool): |
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return AUTO_ALIGNMENT_RANGE |
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check_alignment_settings(auto_alignment) |
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return auto_alignment |
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def check_alignment_settings(auto_alignment): |
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""" |
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:param auto_alignment: |
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:return: |
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""" |
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check_is_alignment_iterable(auto_alignment) |
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check_is_alignment_in_limits(auto_alignment) |
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def check_is_alignment_in_limits(auto_alignment): |
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""" |
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:param auto_alignment: |
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:return: |
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""" |
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if max(auto_alignment) > MAXIMUM_ITEMS_IN_LINE \ |
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or min(auto_alignment) < MINIMUM_ITEMS_IN_LINE: |
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value_error_message = \ |
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"The auto_alignment's item values should be between " \ |
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"%s and %s. You entered: %s\n" \ |
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"You may define it as 'True' to use AUTO_ALIGNMENT_RANGE." \ |
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% (MINIMUM_ITEMS_IN_LINE, MAXIMUM_ITEMS_IN_LINE, auto_alignment) |
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raise ValueError(value_error_message) |
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def check_is_alignment_iterable(auto_alignment): |
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""" |
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:param auto_alignment: |
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:return: |
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""" |
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if not (isinstance(auto_alignment, Iterable) |
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and all(map(lambda s: isinstance(s, int), auto_alignment))): |
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type_error_message = \ |
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"The auto_alignment variable has not a proper type. " \ |
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"Only Iterable of integers or boolean type allowed.\n" \ |
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"You may define it as 'True' to use AUTO_ALIGNMENT_RANGE." |
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raise TypeError(type_error_message) |
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torrua /
keyboa
