96 lines
2.1 KiB
Python
96 lines
2.1 KiB
Python
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ANSI_COLOR_RESET = "\x1b[0m"
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ANSI_COLOR_YELLOW = "\x1b[33m"
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ANSI_BOLD = "\x1b[1m"
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ANSI_COLOR_GREEN = "\x1b[32m"
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CONSOLE_COLOR_DEFAULT = ANSI_COLOR_RESET
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CONSOLE_COLOR_PROMPT = ANSI_COLOR_YELLOW
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CONSOLE_COLOR_USER_INPUT = ANSI_BOLD + ANSI_COLOR_GREEN
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# Iterative search
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# Actively searches and prevents a pattern from being returned
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class IterSearch:
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def __init__(self, pattern):
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self.pattern = list(pattern)
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self.buffer = []
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def __call__(self, char):
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self.buffer += [char]
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if (self.pattern[:len(self.buffer)] == self.buffer):
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if (len(self.buffer) >= len(self.pattern)):
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self.buffer.clear()
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return []
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_tmp = self.buffer[:]
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self.buffer.clear()
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return _tmp
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class Circle:
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def __init__(self, size, default=0):
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self.list = [default] * size
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self.maxsize = size
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self.size = 0
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self.offset = 0
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def append(self, elem):
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if self.size < self.maxsize:
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self.list[self.size] = elem
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self.size += 1
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else:
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self.list[self.offset] = elem
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self.offset = (self.offset + 1) % self.maxsize
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def __getitem__(self, val):
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if isinstance(val, int):
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if 0 > val or val >= self.size:
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raise IndexError('Index out of range')
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return self.list[val] if self.size < self.maxsize else self.list[(self.offset + val) % self.maxsize]
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elif isinstance(val, slice):
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start, stop, step = val.start, val.stop, val.step
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if step is None:
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step = 1
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if start is None:
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start = 0
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if stop is None:
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stop = self.size
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if start < 0:
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start = self.size + start
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if stop < 0:
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stop = self.size + stop
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indices = range(start, stop, step)
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return [self.list[(self.offset + i) % self.maxsize] for i in indices if i < self.size]
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else:
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raise TypeError('Invalid argument type')
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if __name__ == "__main__":
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c = Circle(5)
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c.append(1)
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print(c.list)
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print(c[:])
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assert c[0] == 1
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assert c[:5] == [1]
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for i in range(2,5+1):
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c.append(i)
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print(c.list)
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print(c[:])
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assert c[0] == 1
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assert c[:5] == [1,2,3,4,5]
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for i in range(5+1,9+1):
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c.append(i)
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print(c.list)
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print(c[:])
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assert c[0] == 5
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assert c[:5] == [5,6,7,8,9]
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#assert c[:-5] == [5,6,7,8,9]
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assert c[:10] == [5,6,7,8,9]
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