106 lines
2.3 KiB
Python
106 lines
2.3 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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class Stack(object):
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"""Docstring for Stack """
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def __init__(self):
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"""@todo: to be defined1 """
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self.items = []
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def pushFromList(self, list):
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"""Push the list in the stack
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:param list: a list
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"""
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for i in list[::-1]:
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self.push(i)
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def isEmpty(self):
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""" Says if the stack is empty
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:returns: @todo
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"""
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return self.items == []
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def push(self, item):
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"""Push an item in the stack
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:param item: @todo
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:returns: @todo
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"""
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self.items.append(item)
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def pop(self):
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"""Getting the last item and remove it
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:returns: last item
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"""
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return self.items.pop()
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def peek(self, posi = 0):
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"""Getting the last item
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:param posi: which item to peek 0 (last) 1 (the onebefore the last)...
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:returns: the item
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"""
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return self.items[-1 - posi]
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def __len__(self):
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return len(self.items)
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def __str__(self):
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return str(self.items) + " -> "
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def __add__(self, addList):
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return self.items + addList
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def flatten_list(a, result=None):
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"""Flattens a nested list.
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>>> flatten_list([ [1, 2, [3, 4] ], [5, 6], 7])
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[1, 2, 3, 4, 5, 6, 7]
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"""
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if result is None:
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result = []
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for x in a:
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if isinstance(x, list):
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flatten_list(x, result)
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else:
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result.append(x)
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return result
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def expand_list(list_list):
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"""Expand list of list
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>>> expand_list([1,2,[3,4],5,[6,7,8]])
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[[1, 2, 3, 5, 6], [1, 2, 4, 5, 7], [1, 2, 4, 5, 8]]
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>>> expand_list([1,2,4,5,6,7,8])
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[[1, 2, 4, 5, 6, 7, 8]]
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"""
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list_in_list = [i for i in list_list if type(i) == list].copy()
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try:
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nbr_ans_list = max([len(i) for i in list_in_list])
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ans = [list_list.copy() for i in range(nbr_ans_list)]
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for (i,l) in enumerate(ans):
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for (j,e) in enumerate(l):
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if type(e) == list:
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ans[i][j] = e[min(i,len(e)-1)]
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# S'il n'y a pas de liste dans la liste (2e exemple)
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except ValueError:
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ans = [list_list]
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return ans
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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