32 lines
974 B
Python
32 lines
974 B
Python
# barbacompta - invoicing for dummies
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# Copyright (C) 2019-2020 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from decimal import Decimal
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def percentage(a, b):
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if b:
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return a / b * Decimal(100)
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return 'NaN'
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def percentage_str(a, b):
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p = percentage(a, b)
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if isinstance(p, Decimal):
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return '%d %%' % p
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return p
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