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1
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# Useful functions and classes
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2
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3
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def type_name(value): return type(value).__name__
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4
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5
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def module(value): return type(value).__module__.split('.')
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6
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7
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def root_module(value): return module(value)[0]
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8
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9
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def first(iter_): return iter_.next()
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10
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11
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def skip(iter_, func):
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12
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# Advance iter while func is True
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13
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try:
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14
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while func(iter_.curr()): iter_.next()
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15
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except StopIteration: pass # nothing after the matching elements
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16
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17
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def rename_key(dict_, orig, new): dict_[new] = dict_.pop(orig)
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18
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19
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def dict_subset(dict_, keys):
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20
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subset = dict()
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21
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for key in keys:
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22
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try: subset[key] = dict_[key]
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23
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except KeyError: pass
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24
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return subset
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