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lib.py
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lib.py
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import random
def chance(num,denom):
if num > 0 and denom > 0:
return random.randrange(denom) < num
else:
return False
def rand_range_signed(max_magnitude):
v = random.randrange(max_magnitude+1)
if v != 0 and random.randrange(2) == 0:
v = -v
return v
def rand_diff(max_magnitude_x, max_magnitude_y):
xd = rand_range_signed(max_magnitude_x)
yd = rand_range_signed(max_magnitude_y)
return (xd, yd)
def rand_range(min, span):
return min + random.randrange(span + 1)
def rand_success(chance):
assert 0.0 <= chance <= 1.0, 'chance param %s must satisfy: 0.0 <= chance <= 1.0' % chance
return random.random() <= chance
def read_file(filename):
f = file(filename, 'r')
s = f.read()
f.close()
return s
def read_file_lines(filename):
s = read_file(filename)
return s.splitlines()