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Commitc36c721

Browse files
committed
new file: primer/10/card.py
new file: primer/10/myexc.pynew file: primer/11/Gui.pynew file: primer/11/deco.pynew file: primer/11/easyMath.pynew file: primer/11/grabWeb.pynew file: primer/11/numconv.pynew file: primer/11/odd.pynew file: primer/11/testit.pynew file: primer/12/hot.pynew file: primer/13/NumStr.pynew file: primer/13/Rand.pynew file: primer/13/file.pynew file: primer/13/meta.pynew file: primer/13/roundFloat.pynew file: primer/13/time.pynew file: primer/13/time60.pynew file: primer/16/sockCli.pynew file: primer/16/sockServ.pynew file: primer/16/tcpclient.pynew file: primer/16/tcpserver.pynew file: primer/16/udpCli.pynew file: primer/16/udpSer.pynew file: primer/18/sleep.pynew file: primer/18/threading.pynew file: primer/19/label.pynew file: primer/2/2_10.pynew file: primer/2/2_11.pynew file: primer/2/2_2.pynew file: primer/2/2_7.pynew file: primer/2/2_8.pynew file: primer/20/Cralwer.pynew file: primer/3/makeFile.pynew file: primer/3/makeTextFile.pynew file: primer/3/readTextFile.pynew file: primer/4/display.pynew file: primer/6/idcheck.pynew file: primer/6/queue.pynew file: primer/6/stack.pynew file: primer/6/unicode.txtnew file: primer/6/unicodeFile.pynew file: primer/7/userpw.pynew file: primer/9/ospathex.pydatastruct/unp/
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43 files changed

+1097
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lines changed

‎python/primer/10/card.py‎

Lines changed: 33 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
1+
defsafe_float(obj):
2+
try:
3+
retval=float(obj)
4+
except (ValueError,TypeError),diag:
5+
retval=str(diag)
6+
returnretval
7+
8+
defmain():
9+
log=open("cardlog.txt","w")
10+
try:
11+
ccfile=open("carddata.txt","r")
12+
exceptIOError,e:
13+
log.write("no txns this\n")
14+
log.close()
15+
return
16+
txns=ccfile.readlines()
17+
ccfile.close()
18+
total=0.00
19+
log.write("account log:\n")
20+
21+
foreachTxnintxns:
22+
result=safe_float(eachTxn)
23+
ifisinstance(result,float):
24+
total+=result
25+
log.write("data ....processed\n")
26+
else:
27+
log.write("ignored: %s"%result)
28+
print"$%.2f (new balance)"% (total)
29+
log.close()
30+
31+
if__name__=='__main__':
32+
print"run"
33+
main()

‎python/primer/10/myexc.py‎

Lines changed: 104 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,104 @@
1+
2+
importos,socket,errno,types,tempfile
3+
4+
classNetworkError(IOError):
5+
pass
6+
7+
classFileError(IOError):
8+
pass
9+
10+
defupdArgs(args,newarg=None):
11+
ifisinstance(args,IOError):
12+
myargs=[]
13+
myargs.extend([argforarginargs])
14+
else:
15+
myargs=list(args)
16+
17+
ifnewarg:
18+
myargs.append(newarg)
19+
20+
returntuple(myargs)
21+
22+
deffileAargs(file,mode,agrs):
23+
ifargs[0]==errno.EACCESand \
24+
'access'indir(os):
25+
perms=''
26+
perms= {'r':os.R_OK,'w':os.W_OK,'x':os.X_OK}
27+
pkeys=permd.keys()
28+
pkeys.sort()
29+
pkeys.reverse()
30+
31+
foreachPermin'rwx':
32+
ifos.access(file,permd[eachPerm]):
33+
perms+=eachPerm
34+
else:
35+
perms+='-'
36+
37+
ifisinstance(args,IOError):
38+
myargs= []
39+
myargs.extend([argforarginargs])
40+
else:
41+
myargs=list(args)
42+
43+
myargs[1]="'%s' %s (perms:'%s')"% (mode,myargs[1],perms)
44+
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myargs.append(args.filename)
46+
47+
else:
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myargs=args
49+
returntuple(myargs)
50+
51+
defmyconnnect(sock,host,port):
52+
try:
53+
sock.connect((hosy,port))
54+
exceptsocket.error,args:
55+
myargs=updArgs(args)
56+
iflen(myargs)==1:
57+
myargs= (errno.ENXIO,myargs[0])
58+
59+
raiseNetworkError,\
60+
updArgs(myargs,host+":"+str(port))
61+
defmyopen(file,mode="r"):
62+
try:
63+
fo=open(file,mode)
64+
exceptIOError,args:
65+
raiseFileError,fileArgs(file,mode,args)
66+
returnfo
67+
68+
deftestfile():
69+
file=mkdtemp()
70+
f=open(file,"w")
71+
f.close()
72+
73+
foreachTestin ((0,"r"),(0100,"r"), \
74+
(0400,"w"),(0500,"w")):
75+
try:
76+
os.chmod(file,eachTest[0])
77+
f=myopen(file,eachTest[1])
78+
79+
exceptFileError,args:
80+
print"%s: %s"% \
81+
(args.__class__.__name__,args)
82+
else:
83+
printfile,"open ok..perm ignored"
84+
f.close()
85+
os.chmod(file,0777)
86+
os.unlink(file)
87+
deftestnet():
88+
s=socket.socket(socket.AF_INET.socket.SOCK_STREAM)
89+
foreachHostin ("deli","www"):
90+
try:
91+
myconnect(s,"deli",8080)
92+
exceptNetworkError,args:
93+
print"%s:%s"%\
94+
(args.__class__.__name__,args)
95+
if__name__=="__main__":
96+
testfile()
97+
testnet()
98+
99+
100+
101+
102+
103+
104+

‎python/primer/11/Gui.py‎

Lines changed: 17 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,17 @@
1+
2+
fromfunctoolsimportpartial
3+
importTkinter
4+
5+
root=Tkinter.Tk()
6+
MyButton=partial(Tkinter.Button,root,
7+
fg="white",bg="blue")
8+
b1=MyButton(text="button 1")
9+
b2=MyButton(text="button 2")
10+
#qb=MyButton(text="QUIT",bg="red",
11+
# command=root.quit)
12+
13+
b1.pack()
14+
b2.pack()
15+
#qb.pack(file=Tkinter.X,expand= True)
16+
root.title("PFAs!")
17+
root.mainloop()

‎python/primer/11/deco.py‎

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,22 @@
1+
2+
fromtimeimportctime,sleep
3+
4+
deftsfunc(func):
5+
defwrappedFunc():
6+
print"[%s] %s() called"% \
7+
(ctime(),func.__name__)
8+
returnfunc()
9+
returnwrappendFunc
10+
11+
@tsfunc
12+
deffoo():
13+
pass
14+
15+
foo()
16+
sleep(4)
17+
18+
foriinrange(2):
19+
sleep(1)
20+
foo()
21+
22+

‎python/primer/11/easyMath.py‎

Lines changed: 40 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
1+
2+
fromoperatorimportadd,sub
3+
fromrandomimportrandint,choice
4+
5+
ops={"+":add,"-":sub}
6+
MAXTRIES=2
7+
8+
defdoprob():
9+
op=choice('+-')
10+
nums= [randint(1,10)foriinrange(2)]
11+
nums.sort(reverse=True)
12+
ans=ops[op](*nums)
13+
pr="%d %s %d ="%(nums[0],op,nums[1])
14+
oops=0
15+
whileTrue:
16+
try:
17+
ifint(raw_input(pr))==ans:
18+
print"corrent"
19+
break
20+
ifoops==MAXTRIES:
21+
print"answer\n %s%d"%(pr,ans)
22+
else:
23+
print"incorrent...try again"
24+
oops+=1
25+
except (KeyboardInterrupt,EOFError,ValueError):
26+
print"invalid input ... try again"
27+
28+
defmain():
29+
whileTrue:
30+
doprob()
31+
try:
32+
opt=raw_input("Again?[y]".lower())
33+
ifoptandopt[0]=="n":
34+
break
35+
except (KeyboardInterrupt,EOFError):
36+
break
37+
if__name__=="__main__":
38+
main()
39+
40+

‎python/primer/11/grabWeb.py‎

Lines changed: 26 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,26 @@
1+
2+
fromurllibimporturlretrieve
3+
4+
deffirstNoBlank(lines):
5+
foreachLineinlines:
6+
ifnoteachLine.strip():
7+
continue
8+
else:
9+
returneachLine
10+
11+
deffirstLast(webpage):
12+
f=open(webpage)
13+
lines=f.readlines()
14+
f.close()
15+
printfirstNoBlank(lines),lines.reverse()
16+
printfirstNoBlank(lines),
17+
18+
defdownload(url="http://www.cqupt.edu.cn",process=firstLast):
19+
try:
20+
retval=urlretrieve(url)[0]
21+
exceptIOError:
22+
retval=None
23+
ifretval:
24+
process(retval)
25+
if__name__=="__main__":
26+
download()

‎python/primer/11/numconv.py‎

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,8 @@
1+
2+
defconvert(func,seq):
3+
return[func (eachNum )foreachNuminseq]
4+
5+
myseq=(123,45.67,-6.2e8,99999999L)
6+
printconvert(int,myseq)
7+
printconvert(long,myseq)
8+
printconvert(float,myseq)

‎python/primer/11/odd.py‎

Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
1+
2+
fromrandomimportrandint
3+
4+
#def odd(n):
5+
# return n%2
6+
7+
allNums=[]
8+
foreachNuminrange(9):
9+
allNums.append(randint(1,99))
10+
print[nforninallNumsifn%2]

‎python/primer/11/testit.py‎

Lines changed: 26 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,26 @@
1+
2+
deftestit(func,*nkwargs,**kwargs):
3+
try:
4+
retval=func(*nkwargs,**kwargs)
5+
result= (True,retval)
6+
exceptException,diag:
7+
result= (False,str(diag))
8+
returnresult
9+
10+
deftest():
11+
funcs=(int,long,float)
12+
vals= (1234,12.34,"1234","12.34")
13+
14+
foreachFuncinfuncs:
15+
print"_"*20
16+
foreachValinvals:
17+
retval=testit(eachFunc,eachVal)
18+
ifretval[0]:
19+
print"%s(%s)="% \
20+
(eachFunc.__name__,"eachVal"),retval[1]
21+
else:
22+
print"%s(%s)=FAILED:"%\
23+
(eachFunc.__name__,"eachVal"),retval[1]
24+
25+
if__name__=="__main__":
26+
test()

‎python/primer/12/hot.py‎

Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
1+
classHotelRoomCalc(object):
2+
'hotel room rate calculator'
3+
def__init__(self,rt,sales=0.085,rm=0.1):
4+
self.salesTax=sales
5+
self.roomTax=rm
6+
self.roomRate=rt
7+
8+
defcalcTotal(self,days=1):
9+
daily=round((self.roomRate*(1+self.roomTax+self.salesTax)),2)
10+
returnfloat(days)*daily

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