~/home_Python/apple_/Scale/scale.py
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#! /usr/bin/env python
# coding: utf-8
## ----------------------------------------
##
## (C) Copyright 2000-2010, 小粒ちゃん《監修》小泉ひよ子とタマゴ倶楽部
##
## ----------------------------------------
# ..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
"""
>>> None
>>> ## ----------------------------------------
>>> None
version: #1.0.31
"""
## ----------------------------------------
"""
>>>
---------------------------------------- histogram
0[12] ....+....1..
1[10] ....+....1
2[11] ....+....1.
3[13] ....+....1...
4[12] ....+....1..
5[ 8] ....+...
6[11] ....+....1.
7[ 5] ....+
8[11] ....+....1.
9[ 7] ....+..
100
"""
## ----------------------------------------
## ----------------------------------------
def step00():
"""return "."*n"""
def scale(n):
return "."*n
## ----------------------------------------
local = locals()
ex_scale0(local, 5)
## ----------------------------------------
def step01():
"""for e in range(n):"""
def scale(n):
s = ""
for e in range(n):
s += "."
return s
## ----------------------------------------
local = locals()
ex_scale1(local, 5)
## ----------------------------------------
def step02():
"""s.append(".")"""
def scale(n):
s = []
for e in range(n):
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale2(local, 5)
## ----------------------------------------
def step03x():
"""if e%5 == 0:"""
def scale(n):
s = []
for e in range(n):
if e%5 == 0:
s.append("+")
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale3(local, 7)
## ----------------------------------------
def step04x():
"""else:"""
def scale(n):
s = []
for e in range(n):
if e%5 == 0:
s.append("+")
else:
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale3(local, 11)
## ----------------------------------------
def step05():
"""if not e%5:"""
def scale(n):
s = []
for e in range(1,n+1):
if not e%5:
s.append("+")
else:
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale4(local, 11)
## ----------------------------------------
def step06x():
"""if not e%10:"""
def scale(n):
s = []
for e in range(1,n+1):
if not e%10:
s.append(str(e//10))
if not e%5:
s.append("+")
else:
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale4(local, 12)
## ----------------------------------------
def step07():
"""elif not e%5:"""
def scale(n):
s = []
for e in range(1,n+1):
if not e%10:
s.append(str(e//10))
elif not e%5:
s.append("+")
else:
s.append(".")
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale4(local, 12)
## ----------------------------------------
def step08():
"""s.append(c)"""
def scale(n):
s = []
for e in range(1,n+1):
c = "."
if not e%10:
c = str(e//10)
elif not e%5:
c = "+"
s.append(c)
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale5(local, 41)
source = '''
s = "STRING"
s = "Return a nice string representation of the object."
'''.split("\n")
for e in source[1:-1]:
print_(e, local)
X = 'print(scale(len(s))); print(s)'
print_(X, local)
## ----------------------------------------
def step09():
"""def scale(n, offset=1):"""
def scale(n, offset=1):
s = []
for e in range(offset,n+offset):
c = "."
if not e%10:
c = str(e//10)
elif not e%5:
c = "+"
s.append(c)
return "".join(s)
## ----------------------------------------
local = locals()
ex_scale5(local, 41)
X = 's = "STRING"'
print_(X, local)
X = 'print(scale(len(s),0)); print(s)'
print_(X, local)
X = 's = "Return a nice string representation of the object."'
print_(X, local)
X = 'print(scale(len(s),offset=0)); print(s)'
print_(X, local)
## ----------------------------------------
from random import *
def step_histo():
"""Histogram"""
def scale(n, offset=1):
s = []
for e in range(offset,n+offset):
c = "."
if not e%10:
c = str(e//10)
elif not e%5:
c = "+"
s.append(c)
return "".join(s)
## ----------------------------------------
histo = {} #1:
for _ in range(100):
n = randint(0, 9)
histo[n] = histo.get(n, 0) + 1
for k, v in histo.items(): #2:
print("{0:d}[{1:2d}]{2}".format(k, v, scale(v)))
print("sum:",sum(histo.values()))
for e in "min","max": #3:
value = eval("%s(histo.values())"%e)
s = [k for k,v in histo.items() if v==value]
print("%s: %d %s"%(e,value,s))
## ----------------------------------------
'''
>>> # -------------------------------------------------- step_body
>>> path
'/Applications/Python 3.1/Extras/Demo/scripts/queens.py'
>>> ex_body(path, end=5)
1: #! /usr/bin/env python
2:
3: """N queens problem.
4:
5: The (well-known) problem is due to Niklaus Wirth.
>>> ex_body(path, start=81)
81: q.solve()
82: print("Found", q.nfound, "solutions.")
83:
84: if __name__ == "__main__":
85: main()
>>> ex_body(path, 14, 18)
14: class Queens:
15:
16: def __init__(self, n=N):
17: self.n = n
18: self.reset()
>>>
'''
## ----------------------------------------
def step_body():
"""def body(name, start=1, end=None, number=True):"""
#### def body(name, start=1, end=None, number=True):
#### s = open(name).readlines(); N = len(s)
#### if not end: end = N+1
#### if number:
#### for n, e in enumerate(s):
#### s[n] = "{{0:{0}d: {1}}}".format(len(str(N))%(n+1, e))
#### return s[start-1:end]
def body(name, start=1, end=None):
seq, n = _body(name, start, end)
s = "{{0:{0:d}d}}: {{1}}".format(len(str(n)))
return [s.format(start+i, e) for i, e in enumerate(seq)]
def _body(name, start, end):
s = open(name).readlines(); N = len(s)
if not end: end = N+1
return s[start-1:end], N
## ----------------------------------------
def ex_body(name, start=1, end=None):
for e in body(name, start, end):
print(e,end="")
print()
path = "/Applications/Python 3.1/Extras/Demo/scripts/"
path += "queens.py"
def ex(local): #@:
source = '''
path
ex_body(path, end=5)
ex_body(path, start=81)
ex_body(path, 14, 18)
'''.split("\n")
for e in source[1:-1]:
print_(e, local)
local = locals(); ex(local)
## ----------------------------------------
## ----------------------------------------
def print_(source, local, mode="single"):
print(">>>",source)
eval(compile(source,"",mode),globals(),local)
def ex_scale0(local, n):
for e in range(n):
X = 'scale({0})'.format(e)
print_(X, local)
def ex_scale1(local, n):
X = 'for e in range({0}): print(scale(e))'.format(n)
print_(X, local, "exec")
def ex_scale2(local, n):
X = 'for e in range({0}): print(e,"|",scale(e))'.format(n)
print_(X, local, "exec")
def ex_scale3(local, n):
X = 'for e in range({0}): print(e,"|",scale(e),sep="")'.format(n)
print_(X, local, "exec")
def ex_scale4(local, n):
X = 'for e in range({0}): print("%2d"%e,"|",scale(e),sep="")'.format(n)
print_(X, local, "exec")
def ex_scale5(local, n):
X = 'for e in range(0,{0},4): print("%2d"%e,"|",scale(e),sep="")'.format(n)
print_(X, local, "exec")
## ========================================
s = "step"
DIR = [e for e in dir() if e.startswith(s)]
DIR = dict((i,e) for i,e in enumerate(DIR))
DIR = list(DIR.items()); DIR.sort()
def ex():
n = (len(DIR)-1)//10+1
for k,v in DIR:
source = '''
x = eval("%%s.__doc__"%%v)
print("%%%dd: %%s -- %%s"%%(k,v,x))
'''%n
eval(compile(source,"","exec"))
def do_all():
for k,v in DIR: do(k)
def do(k=None):
if k is None: ex(); return
try:
k,v = DIR[k]
print(">>> #","-"*50,v)
eval("%s()"%v)
except IndexError:
print("(x_x) too bad ... %s"%k)
## ----------------------------------------
from time import ctime
from sys import argv, version
def inform():
n = 60
print("="*n)
print("Version: %s"%version.split("\n")[0])
print("Module : %s"%argv[0].split("/")[-1])
print("Date : %s"%ctime())
print("="*n)
## ----------------------------------------
from doctest import testmod
if __name__=='__main__':
inform()
testmod()
## ========================================Last updated♪2010/03/23
