def __init__(self):
print "start--------------aa"
mymodule.sayhi()
print 'Version', mymodule.version
print "end -------------aa"
self.SnapshotMessage=0
self.ImgSource=False
self.ImgPath=""
self.cfg = ConfigParser.ConfigParser()
self.cfg.read("LiveSJ.ini")
self.cam = cv2.VideoCapture(0)
gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
self.set_title("LiveSJ.__init__")
self.move(100,100)
self.set_size_request(450, gtk.ICON_SIZE_MENU+200+gtk.ICON_SIZE_MENU)
self.kostra = gtk.VBox(homogeneous=False, spacing=2)
self.add(self.kostra)
self.toolbar = gtk.Toolbar()
self.toolbar.set_icon_size(gtk.ICON_SIZE_MENU)
self.kostra.pack_start(self.toolbar, False, False)
self.show_all()
# Filename: mymodule_demo.py import mymodule mymodule.sayhi() print 'Version', mymodule.version
#!/usr/bin/python3
from mymodule import sayhi, __version__
sayhi()
print('Версия', __version__)
#!/usr/bin/python
# Filename: mymodule_demo2.py
import mymodule
from mymodule import sayhi, version
# Alternative:
# from mymodule import *
sayhi()
print("Version", version)
#!/usr/bin/python
import sys
#path='/xxx/xxx' # the mymodule.py should be in the directory
#sys.path.append(path)
from mymodule import sayhi, version
print "the command line arguments are:"
for i in sys.argv:
print i
if __name__ == '__main__':
print 'The import.py program is being run by itself'
else:
print 'The import.py program has been imported from another module'
sayhi() #call it directly
print "mymodule.version:", version
#!/usr/bin/python
#使用自己的模块mymodule
#Filename: mymodule_demo2.py
from mymodule import sayhi, version;
#Alternative:
#from mymodule import *;
sayhi();
print("Version", version);
import mymodule import RiskRuleTemplate mymodule.sayhi(); print '哇哈哈'
from sys import argv #尽量不用
模块的 __name__
if __name__ == '__main__':
print 'This program is being run by itself'
else:
print 'I am being imported from another modules'
制造模块
#!/bin/python
#Filename:mymodule.py
def sayhi():
print 'Hi,this is mymodule speaking.'
version = '0.1'
#End of mymodule.py
>>> import mymodule
>>> mymodule.sayhi()
Hi,this is my modules speaking.
>>> print 'version',mymodule.version
version 0.1
dir(sys)
dir() #返回当前模块的属性列表
del a #删除一个变量
chapter 9 #数据结构
列表
#This is my shopping list
shoplist = ['apple','mango','carrot','banana']
print 'I have',len(shoplist),'items to purchase.'
print 'These items are:',
for i in shoplist:
# Filename: mymodule_demo2.py
from mymodule import sayhi, __version__
sayhi() #latest sayhi() will perform
def sayhi():
print('Hi, this is mymodule of this program speaking.')
sayhi() #latest sayhi() will perform
print('Version', __version__)
#if there is a sayhi or __version__ present allready in the program, then there will be a clash
#!/usr/bin/env python
# Filename: mymodule_demo.py
import mymodule
mymodule.sayhi('Jules')
print 'Version', mymodule.version
# End of mymodule_demo.py
#!/usr/bin/python import sys #path='/xxx/xxx' # the mymodule.py should be in the directory #sys.path.append(path) from mymodule import sayhi, version print "the command line arguments are:" for i in sys.argv: print i if __name__ == '__main__': print 'The import.py program is being run by itself' else: print 'The import.py program has been imported from another module' sayhi() #call it directly print "mymodule.version:", version
def main():
i = 5
print(i)
i = i + 1
print('value of i is', i)
############### Testing the method of application of string output
s = '''This is a multi-line string.
This is the second line.'''
print(s)
s = 'This is a string. \
This continues the string.'
print(s)
i = 10**10
print('i = 10**10 = ', i)
i = 134
j = 50
k = i // j
print(' i =', i, ' j =', j, ' k = i//j =', k)
k = i % j
print(' i =', i, ' j =', j, ' k = i%j =', k)
############### Testing the method of application of for-loop
for i in (10, 12, 33, 14, 57):
if ~i % 2:
print(i, 'is an even number.')
else:
print(i, 'is an odd number.')
for i in range(0, 3):
print(i)
else:
print('The for loop is over with outputting range(0,3)')
for i in range(0, 300, 98):
print(i)
else:
print('The for loop is over with outputting range(0, 300, 98)')
## ############### Testing the method of application of while-if
## number = 23
## guess = 10
## while(guess!=number):
## guess = int(input('Enter an integer to guess: '))
## if guess == number:
## print('Congratulations, you guessed it.') # New block starts here
## print("(but you do not win any prizes!)") # New block ends here
## elif guess < number:
## print('No, it is a little lower than that') # Another block
## # You can do whatever you want in a block ...
## else:
## print('No, it is a little higher than that')
## # you must have guess > number to reach here
## else:
## print('The while loop is over.')
## # Do anything else you want to do here
## print('Done')
## ############### Testing the method of application of break-clause
## while True:
## s = input('Enter something until with quit: ')
## if s == 'quit':
## break
## elif len(s) < 3:
## print('input string is too short to quit')
## continue
## print('Length of the string is', len(s))
## print('Done')
############### Testing the method of application of call-funtion
sayHello()
printMax(100, 321)
print('maximum(123,142) is', maximum(123, 142))
printMaxDoc(123, 142)
print(printMaxDoc.__doc__)
help(printMaxDoc)
help(printMax)
############### Testing the method of application of modules
print('The command line arguments are:')
for i in sys.argv:
print(i)
print('\n\nThe PYTHONPATH is', sys.path, '\n')
mymodule.sayhi()
print('mymodule.version is', mymodule.version)
#Fcn001.main() # the same behavior with the time import first time
#print('Fcn001.version is',Fcn001.version)
print('math.sqrt(10.2) =', math.sqrt(10.2))
print()
print('multiply(10,21) is', mymodule.multiply(10, 21))
print('divide(10,21) is', mymodule.divide(10, 21))
print()
############### Testing the method of application of intrinsic constant
if __name__ == '__main__':
print('This program is being run by itself')
else:
print('I am being imported from another module')
#print(__path__)
#print(__line__)
print('current file path is', __file__)
############### Testing the method of application of dir() fcn.
zzz = 99
newInt = 100
print('Show the attribute-list of current module as following:')
print(dir())
yy = 78
newString = 'ABC'
print('Show the attribute-list of current module as following:')
print(dir())
del yy
print('Show the attribute-list of current module as following:')
print(dir())
print('Show the attribute-list of sys module as following:')
#print(dir(sys))
############### Testing the method of application of list-data-stucture
shoplist = ['apple', 'mango', 'carrot', 'banana']
print('I have', len(shoplist), 'items to purchase.')
print('These items are:') # Notice the comma at end of the line
print('All the items :')
for item in shoplist:
print(item, ' ', ' ', sep='->', end='')
else:
print()
shoplist.append('added001')
shoplist.append('added002')
shoplist.append('added001')
shoplist.append(123123)
shoplist.append(0.003782)
sublist = [12, 32.132, 'ABC', "zyx", 31, 1323.1231]
shoplist.append(sublist)
print('All the items :')
for item in shoplist:
print(item, ' ', ' ', sep='->', end='')
else:
print()
print('Output the shoplist : ', shoplist)
############### Testing the method of application of tuple (diffrent from list)
zoo = ('wolf', 'elephant', 'penguin')
print('Number of animals in the zoo is', len(zoo))
new_zoo = ('monkey', 'dolphin', zoo)
print('Number of animals in the new zoo is', len(new_zoo))
print('All animals in new zoo are', new_zoo)
print('Animals brought from old zoo are', new_zoo[2])
print('Last animal brought from old zoo is', new_zoo[2][2])
age = 22
name = 'Swaroop'
print('%s is %d years old' %
(name, age)) # tuple mostly are used in print-clause
print('Why is %s playing with that python?' % name)
############### Testing the method of application of key-value pair i.e. dictionary data structure
ab = {
'Swaroop': '*****@*****.**',
'Larry': '*****@*****.**',
'Matsumoto': '*****@*****.**',
'Spammer': '*****@*****.**'
}
print()
print("Swaroop's address is %s" % ab['Swaroop'])
# Adding a key/value pair
ab['Guido'] = '*****@*****.**'
# Deleting a key/value pair
del ab['Spammer']
print('\nThere are %d contacts in the address-book : \n' % len(ab))
for name, address in ab.items():
print('Contact %s at %s' % (name, address))
if 'Guido' in ab: # OR ab.has_key('Guido')
print("\nGuido's address is %s" % ab['Guido'])
############### Testing the method of application of sequence
shoplist = ['apple', 'mango', 'carrot', 'banana']
# Indexing or 'Subscription' operation
print('Item 0 is', shoplist[0])
print('Item 1 is', shoplist[1])
print('Item 2 is', shoplist[2])
print('Item 3 is', shoplist[3])
print('Item -1 is', shoplist[-1])
print('Item -2 is', shoplist[-2])
print('Item -3 is', shoplist[-3])
print('Item -4 is', shoplist[-4])
# Slicing on a list
print('Item 1 to 3 is', shoplist[1:3])
print('Item 2 to end is', shoplist[2:])
print('Item 1 to -1 is', shoplist[1:-1])
print('Item start to end is', shoplist[:])
# Slicing on a string
name = 'ABCDefghijk'
print('characters 1 to 3 in string \'swaroop\' is', name[1:3])
print('characters 2 to end in string \'swaroop\' is', name[2:])
print('characters 1 to -1 in string \'swaroop\' is', name[1:-1])
print('characters start to end in string \'swaroop\' is', name[:])
############### Testing the method of application of reference and copy(i.e. ref and copy)
print('Simple Assignment')
shoplist = ['apple', 'mango', 'carrot', 'banana']
mylist = shoplist # mylist is just another name pointing to the same object!
del shoplist[0]
print('shoplist is', shoplist)
print('mylist is', mylist)
# notice that both shoplist and mylist both print(the same list without
# the 'apple' confirming that they point to the same object
print('Copy by making a full slice')
mylist = shoplist[:] # make a copy by doing a full slice
del mylist[0] # remove first item
print('shoplist is', shoplist)
print('mylist is', mylist)
############### Testing the method of application of string (deeper study especially the fucntions)
name = 'Swaroop' # This is a string object
if name.startswith('Swa'):
print('Yes, the string starts with "Swa"')
if 'a' in name:
print('Yes, it contains the string "a"')
if name.find('war') != -1:
print('Yes, it contains the string "war"')
delimiter = '_*_'
mylist = ['Brazil', 'Russia', 'India', 'China']
print(delimiter.join(mylist))
delimiter = ' '
mylistStr = delimiter.join(mylist)
mylist2 = mylistStr.split(' ')
print(mylist2)
str = ('www...google.com')
print(str)
str_split = str.split(
'.',
500) # To split the primt stirng 2 times, i.e. create two sub-segment
print(str_split)
print(' -- A B C-de F -- '.strip(), 'End')
def main():
i = 5
print(i)
i = i + 1
print("value of i is", i)
############### Testing the method of application of string output
s = """This is a multi-line string.
This is the second line."""
print(s)
s = "This is a string. \
This continues the string."
print(s)
i = 10 ** 10
print("i = 10**10 = ", i)
i = 134
j = 50
k = i // j
print(" i =", i, " j =", j, " k = i//j =", k)
k = i % j
print(" i =", i, " j =", j, " k = i%j =", k)
############### Testing the method of application of for-loop
for i in (10, 12, 33, 14, 57):
if ~i % 2:
print(i, "is an even number.")
else:
print(i, "is an odd number.")
for i in range(0, 3):
print(i)
else:
print("The for loop is over with outputting range(0,3)")
for i in range(0, 300, 98):
print(i)
else:
print("The for loop is over with outputting range(0, 300, 98)")
## ############### Testing the method of application of while-if
## number = 23
## guess = 10
## while(guess!=number):
## guess = int(input('Enter an integer to guess: '))
## if guess == number:
## print('Congratulations, you guessed it.') # New block starts here
## print("(but you do not win any prizes!)") # New block ends here
## elif guess < number:
## print('No, it is a little lower than that') # Another block
## # You can do whatever you want in a block ...
## else:
## print('No, it is a little higher than that')
## # you must have guess > number to reach here
## else:
## print('The while loop is over.')
## # Do anything else you want to do here
## print('Done')
## ############### Testing the method of application of break-clause
## while True:
## s = input('Enter something until with quit: ')
## if s == 'quit':
## break
## elif len(s) < 3:
## print('input string is too short to quit')
## continue
## print('Length of the string is', len(s))
## print('Done')
############### Testing the method of application of call-funtion
sayHello()
printMax(100, 321)
print("maximum(123,142) is", maximum(123, 142))
printMaxDoc(123, 142)
print(printMaxDoc.__doc__)
help(printMaxDoc)
help(printMax)
############### Testing the method of application of modules
print("The command line arguments are:")
for i in sys.argv:
print(i)
print("\n\nThe PYTHONPATH is", sys.path, "\n")
mymodule.sayhi()
print("mymodule.version is", mymodule.version)
# Fcn001.main() # the same behavior with the time import first time
# print('Fcn001.version is',Fcn001.version)
print("math.sqrt(10.2) =", math.sqrt(10.2))
print()
print("multiply(10,21) is", mymodule.multiply(10, 21))
print("divide(10,21) is", mymodule.divide(10, 21))
print()
############### Testing the method of application of intrinsic constant
if __name__ == "__main__":
print("This program is being run by itself")
else:
print("I am being imported from another module")
# print(__path__)
# print(__line__)
print("current file path is", __file__)
############### Testing the method of application of dir() fcn.
zzz = 99
newInt = 100
print("Show the attribute-list of current module as following:")
print(dir())
yy = 78
newString = "ABC"
print("Show the attribute-list of current module as following:")
print(dir())
del yy
print("Show the attribute-list of current module as following:")
print(dir())
print("Show the attribute-list of sys module as following:")
# print(dir(sys))
############### Testing the method of application of list-data-stucture
shoplist = ["apple", "mango", "carrot", "banana"]
print("I have", len(shoplist), "items to purchase.")
print("These items are:") # Notice the comma at end of the line
print("All the items :")
for item in shoplist:
print(item, " ", " ", sep="->", end="")
else:
print()
shoplist.append("added001")
shoplist.append("added002")
shoplist.append("added001")
shoplist.append(123123)
shoplist.append(0.003782)
sublist = [12, 32.132, "ABC", "zyx", 31, 1323.1231]
shoplist.append(sublist)
print("All the items :")
for item in shoplist:
print(item, " ", " ", sep="->", end="")
else:
print()
print("Output the shoplist : ", shoplist)
############### Testing the method of application of tuple (diffrent from list)
zoo = ("wolf", "elephant", "penguin")
print("Number of animals in the zoo is", len(zoo))
new_zoo = ("monkey", "dolphin", zoo)
print("Number of animals in the new zoo is", len(new_zoo))
print("All animals in new zoo are", new_zoo)
print("Animals brought from old zoo are", new_zoo[2])
print("Last animal brought from old zoo is", new_zoo[2][2])
age = 22
name = "Swaroop"
print("%s is %d years old" % (name, age)) # tuple mostly are used in print-clause
print("Why is %s playing with that python?" % name)
############### Testing the method of application of key-value pair i.e. dictionary data structure
ab = {
"Swaroop": "*****@*****.**",
"Larry": "*****@*****.**",
"Matsumoto": "*****@*****.**",
"Spammer": "*****@*****.**",
}
print()
print("Swaroop's address is %s" % ab["Swaroop"])
# Adding a key/value pair
ab["Guido"] = "*****@*****.**"
# Deleting a key/value pair
del ab["Spammer"]
print("\nThere are %d contacts in the address-book : \n" % len(ab))
for name, address in ab.items():
print("Contact %s at %s" % (name, address))
if "Guido" in ab: # OR ab.has_key('Guido')
print("\nGuido's address is %s" % ab["Guido"])
############### Testing the method of application of sequence
shoplist = ["apple", "mango", "carrot", "banana"]
# Indexing or 'Subscription' operation
print("Item 0 is", shoplist[0])
print("Item 1 is", shoplist[1])
print("Item 2 is", shoplist[2])
print("Item 3 is", shoplist[3])
print("Item -1 is", shoplist[-1])
print("Item -2 is", shoplist[-2])
print("Item -3 is", shoplist[-3])
print("Item -4 is", shoplist[-4])
# Slicing on a list
print("Item 1 to 3 is", shoplist[1:3])
print("Item 2 to end is", shoplist[2:])
print("Item 1 to -1 is", shoplist[1:-1])
print("Item start to end is", shoplist[:])
# Slicing on a string
name = "ABCDefghijk"
print("characters 1 to 3 in string 'swaroop' is", name[1:3])
print("characters 2 to end in string 'swaroop' is", name[2:])
print("characters 1 to -1 in string 'swaroop' is", name[1:-1])
print("characters start to end in string 'swaroop' is", name[:])
############### Testing the method of application of reference and copy(i.e. ref and copy)
print("Simple Assignment")
shoplist = ["apple", "mango", "carrot", "banana"]
mylist = shoplist # mylist is just another name pointing to the same object!
del shoplist[0]
print("shoplist is", shoplist)
print("mylist is", mylist)
# notice that both shoplist and mylist both print(the same list without
# the 'apple' confirming that they point to the same object
print("Copy by making a full slice")
mylist = shoplist[:] # make a copy by doing a full slice
del mylist[0] # remove first item
print("shoplist is", shoplist)
print("mylist is", mylist)
############### Testing the method of application of string (deeper study especially the fucntions)
name = "Swaroop" # This is a string object
if name.startswith("Swa"):
print('Yes, the string starts with "Swa"')
if "a" in name:
print('Yes, it contains the string "a"')
if name.find("war") != -1:
print('Yes, it contains the string "war"')
delimiter = "_*_"
mylist = ["Brazil", "Russia", "India", "China"]
print(delimiter.join(mylist))
delimiter = " "
mylistStr = delimiter.join(mylist)
mylist2 = mylistStr.split(" ")
print(mylist2)
str = "www...google.com"
print(str)
str_split = str.split(".", 500) # To split the primt stirng 2 times, i.e. create two sub-segment
print(str_split)
print(" -- A B C-de F -- ".strip(), "End")
from mymodule import sayhi,__version__
#from mymodule import * #这里使用 * 不会导入__version__(可以理解为双下划线开头的变量是private的)
sayhi()# 如果指定了导入的function 那可以直接调用function 而不需要module 名
print('Version',__version__)
#!/usr/bin/python
# Filename: mymodule_demo.py
import mymodule as md
import using_name
md.sayhi()
print('Version is ',md.version)
#dir(md)