55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
def replace(s, d):
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from re import findall
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if isinstance(s, str):
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for var in findall(r"%\(([A-Za-z0-9_]*)\)", s):
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s = s.replace("%({})".format(var), str(d[var]))
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return s
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def test_replace():
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assert replace('hey %(foo) ho %(bar)',
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{'foo': 'hey', 'bar': 'ho'}) == 'hey hey ho ho'
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def interpolate(d, d_map):
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from collections import Mapping, Iterable
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from copy import copy
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for k, v in d.items():
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if isinstance(v, Mapping):
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d[k] = interpolate(d[k], d_map)
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elif isinstance(v, Iterable) and not isinstance(v, str):
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l = []
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for x in v:
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if isinstance(x, Mapping):
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l.append(interpolate(x, d_map))
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else:
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l.append(replace(x, d_map))
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d[k] = copy(l)
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else:
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d[k] = replace(d[k], d_map)
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return d
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def test_interpolate():
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d = {'foo': 'hey',
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'bar': 'ho',
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'one': 'hey %(foo) ho %(bar)',
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'two': {'one': 'hey %(foo) ho %(bar)',
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'two': 'raboof'}}
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d_interpolated = {'foo': 'hey',
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'bar': 'ho',
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'one': 'hey hey ho ho',
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'two': {'one': 'hey hey ho ho',
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'two': 'raboof'}}
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assert interpolate(d, d) == d_interpolated
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d2 = {'modules': [{'fc': [{'source': '%(url_root)fc_optional.cmake'}]}], 'url_root': 'downloaded/downloaded_'}
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d2_interpolated = {'modules': [{'fc': [{'source': 'downloaded/downloaded_fc_optional.cmake'}]}], 'url_root': 'downloaded/downloaded_'}
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assert interpolate(d2, d2) == d2_interpolated
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