Hi .
If you want to see what is in a pyc file,just type
od pycfile at bash command prompt.
You can see only rows of numbers.
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hello!
I got a problem writing csv file.
1)
csvw=csv.writer(open('/home/prasad/kkm','w'),
dialect='excel',fieldnames=names)
Traceback (most recent call last):
File "", line 1, in
TypeError: 'fieldnames' is an invalid keyword argument for this function
2)
for x in csvr:
...y=lambda x: '
Thanks
I got it.
I reached the old PEP document by searching the keyword 'excel'
Thanks or the help
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Hi
def cript(doc=None,data =None):
if doc==None and data==None:doc=sys.agv1
elif doc:
data=open(doc,'r').read()
data_c= binascii.hexlify(data)
else:data_c= binascii.hexlify(data)
if doc:
q=tempfile.TemporaryFile()
q.write(data_c)
os.rename(q,doc
> Never NEVER compare for equality with None.
>
> What you want is:
> if doc is None and data is None:
>
> Also, what is "sys.agv1"? Did you mean sys.argv[1]?
yes
> >elif doc:
> > data=open(doc,'r').read()
> > data_c= binascii.hexlify(data)
> >else:data_c= bina
hi
I am trying problem 6 in projecteuler.org.
What is the smallest positive number that is evenly divisible by all
of the numbers from 1 to 20?
def rr(z,m=1):
q=lambda n:m%n==0
s=lambda False : 0
a=filter(s,map(q,range(1,z)))
if not a:
m+=1
HelloI tried various permutations of the code.Nothing worked.
I am mixing 2 examples given in "an-introduction-to- tkinter "
by Fredrik Lundh.(and got this code)
Today I got this error message
Traceback (most recent call last):
File "", line 1, in
pp()
File "", line 18, in pp
xx=app(r
HelloI changed the code as follows.But still the callback function is not
working.
The he() is working well but clicking on the frame has no result.
class app:
def __init__(self,root):
frame=Frame(root)
frame.bind("", callback)
frame.pack()
self.button=Button(root,text='quit',fg='red',command=f
hi.
s = 'Association of British Travel Agents (ABTA) No.56542\nAir Travel
Organisation Licence (ATOL)\nAppointed Agents ofIATA (IATA)\nIncentive
Travel & Meet. Association (ITMA)'
licenses = re.split("\n+", s)
licenseRe = re.compile(r'\(([A-Z]+)\)( No. (\d+))?')
>>> for license in licenses:
hi
>>> licenseRe = re.compile(r'\(([A-Z]+)\)\s*(No.\d+)?')
>>> for license in licenses:
m = licenseRe.search(license)
print m.group(1, 3)
Traceback (most recent call last):
File "", line 3, in
print m.group(1, 3)
IndexError: no such group
Something wrong with this code.
_
hi
for license in licenses:
m = licenseRe.search(license)
print m.group(1, 2)
('ABTA', 'No.56542')
('ATOL', None)
('IATA', None)
('ITMA', None)
Yes It is working
Thank you
Prasad
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hello
I find it difficult to use horizontal scroll bar to read text documents.
So I want to split lines in the text file in to two lines.
def myforrmat(source,desty):
so=open(source)
de=open(desty,'w')
for line in so:
? if len(line)<60:de.write(line)
? if len(line)
helloThank you Lie and Kent.
I forgot about newline character and the fact that string can be sliced.
Thanks for your timely help
BTW I have gone through the Python library reference and find no examples
in fileinput module.
z=fileinput.input(file,inplace=1)
for line in z:
???if len(line)<60:pa
HelloI don't know why, but this I think going into infinite loop.
I cant see anything wrong in it.
Please show me where the problem is.
def myform(s):
import os
so=open(s)
d=os.path.dirname(s)+os.sep+'temp.txt'
de=open(d,'w')
for line in so:
while len(line)>60:
?
HelloFinally I managed to writ a function to format a file.
Thank to everybody for their tips.
def mmm(a):
import os,textwrap
so=open(a)
d=os.path.dirname(a)+os.sep+'temp.txt'
de=open(d,'w')
import textwrap
for line in so:
if len(line)<70:de.write(line+'\n'
Hello
>> for line in so:
>> if len(line)<70:de.write(line+'\n')
>> if len(line)>70:
>> da=textwrap.fill(line,width=60)
>> de.write(da+'\n')
>What happens if the line is exactly 70 characters long?
>I think you want an else instead of the second i
helloI wrote a function to fetch data using urllib and displaying the data
using internet Explorer.
it is not preparing the html file
So opening blank Explorer after complaining th html file not found.
Where is the problem?
Can I display the data read from a site without preparing
a html file?
hellothanks .After inserting back slashes and
de.close it is working well
thanks for the help
prasad
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hello
I get a problem while trying to print non callable
items in dir(module).May be as the items are strings.
for x in dir(sys):
?? if sys.x is callable:
print sys.x()
?? else:print sys.x
Traceback (most recent call last):
File "", line 2, in
if sys.x is callable:
Attribut
>
> >Any particular reason why you need to be able to do this, just wondering
> about the use case for >such automation ?
>
> --
> Kind Regards,
> Christian Witts
>
>
> Thank you Christian for the prompt repply.
I am learning python.
I am just examining what are all the available
items in each modu
>for attrib in dir(sys):
> > if callable('sys.%s' % attrib):
> >print 'Callable: sys.%s' % attrib
> > else:
> >print 'Not Callable: sys.%s' % attrib
>
> Any particular reason why you need to be able to do this, just wondering
> about the use case for such automation ?
>
> --
> Kind R
Hello
I created a gui app.I am finding it impossible to
use Text.insert().please some one give an example of using it.
def fshow():
x=entry1.get()
try:
value1,value2=x.split(',')
text.insert(len(myfiles(value1,value2)),myfiles(value1,value2))
except:
text.insert(
Hello
>> I created a gui app.I am finding it impossible to
>> use Text.insert().please some one give an example of using it.
>Look in my tutorial at event driven programming and the Case >study. Both
use the Text widget.
>For more detailed info try this introduction:
>http://www.linuxjournal.c
Hello.
I made my first mager gui program.I need your openions suggestions and
improvements.
#! usr\\bin\\env python
from Tkinter import *
def myfiles (n='',m=''):
import os
mf=[os.path.join(x,i)for x,y,z in os.walk(n) for i in z if
i.endswith(m)]
return mf
def fshow():
tclear(
Hello
Thanks I will implement your suggestions.
True .Names and parameters are not descriptive.
There are no comments(docstrings) in the program
.
There is scope to reduce number of functions.
Thank you
Prasad
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hello
I wanted to prevent other users of my computers to read my files.
So tried to creat a module to achieve it.
I used a flag to deside which methods to be called on the object.
somehow it is not working.I realise after 2 days of struggle that
as it is usuel , I am blind to my faults.
I test
On 7/30/09, Rich Lovely wrote:
>
> 2009/7/30 prasad rao prasadarao...@gmail.com:
>I'm sure there are modules available for PGP that are either part of
> >the stdlib, or available from a quick google. PGP (or GPG) encryopts
>
I never know there is an encryption
On 7/30/09, Dave Angel wrote:
>
> prasad rao wrote:
>
>> hello
>>
>> >"it is not working." is not very descriptive.
>>
>>
>> DaveA
>>
>Hello! Sorry, I forgot to mention the problem.
It simply wipes clean the file,resulting
hello
I removed the bugs.But still getting error report.
>>import mcript
Traceback (most recent call last):
File "", line 1, in
import mcript
File "C:\Python26\mcript.py", line 78, in
a.main()
File "C:\Python26\mcript.py", line 58, in main
nl=__compress(__digi(__lengthen(lin
Hello
I am finding it difficult to pass arguments to struct.pack().
Please some one tell me how to do it.
>>> def structpack(alist):
import struct
a='%di'%len(alist)
print a
b=[a]
print alist
print b
Hello
I am wtriting some dat on to a file in which
headings should be of different size than other data.
Is it possible?If possible please tell me how to do it.
def sc(adir):
import os,myfiles
dest=open('C:/scripts.txt','w')
s=myfiles.myfiles(adir)
for x in s:
Hello
I modified my code.But I am gettingmy my lines stripped of indentation.
What should I do to avoid it?Sorry if it is not about Python.
def sc(adir):
import os,myfiles
dest=open('C:/scripts.html','w')
s=myfiles.myfiles(adir)
dest.write('')
for x in s:
> > But I think you want the tag, which means the text is
> pre-formatted. And you could >put that around the whole sorce file, instead
> of doing for each line.
>
> >See http://www.w3schools.com/tags/tag_pre.asp
Thank you Dave.
I put in tag and it worked. But at one particular line in a mo
> >xml.sax.saxutils.escape(/data/[, /entities/])
>
> > Escape '&', '<', and '>' in a string of data.
>
> > You can escape other strings of data by passing a dictionary as the
> >optional /entities/ parameter. The keys and values must all be
> >strings; each key will be replaced with its corre
Hello!
I want to convert compiled files to text files.
I believe compiled files are binary files.
I am able to convert a given string to binary and back to text.
But when it comes to a file it is proving to be impossible.
def p(a):
s=open(a,'rb')
for x in s:
d=map(lambda y
>On 8/29/09, Geneviève DIAGORN wrote:
>
> >Bonjour,
> >Je suis absente jusqu'au 02/09 inclus.
> >En cas d'urgence Soprane, contacter notre adresse générique
> >projet.sopr...@teamlog.com.
> >Cordialement.
>
> >Geneviève
I dont know your language.Please communicate in English.
I am using the cod
> .
>
> >I don't understand what you are trying to do. Do you mean compiled
> >Python files, e.g. .pyc files?
>
> ?Kent
>
Yes
I want to examine pyc files.(ex:itertools).
itertools.py is not available inPython26.
pyc files are binaryfiles.Isn't it.
___
Tu
hello friends
I am trying to write a class to save a url.page.
But it is not working.It is saving the html.page.But not getting
images.I am unable to show the list (object.links).
Please take a look at it and show me how to rectify it.
import urllib2,ftplib,re
class Collect:
def __init__(se
Hello friends.
I am new to programing.I am learning Python.
I failed in my attempts to retrive doc strings of methods in
a module.
"""
for x in dir(logging):
print x,x.__doc__
=
for x in dir(collections):
print x,collections.x.__doc__
==
>>> def dd(o):
zx=dir (o)
hello I am trying to sort a list(I know there is a builtin sort
method).
a=[21,56,35,47,94,12]
b=[]
for x in a:
b.append (min(a))
a.remove (min(a))
>>> a
[56, 47, 94]
>>> b
[12, 21, 35]
It is not Compleating .Doing only 3 rounds.Why?
By the way how can I view the builtin code
Thanks for help.
>
http://svn.python.org/view/python/trunk/Objects/listobject.c?rev=67498&view=markup
Kent ! This is grek and latin to me.From the presence of header files it
looks C++.But headerfiles are not between '<' and '>' .
>But why are you trying to sort in this fashion?
Alan Gauld!
hello!I am a novice looking up to the tutor as my Guide.
I got a problem while using optional parameter.
#! user/bin/env python
import os
def myfiles(directory,extension=None):
for x in [os.path.join(x,i) for x,y,z in os.walk(directory)\
for i in z if i.endswith(extension)]:prin
Hello. Thank you.Just a small change at the optional parameter made
all the
difference. It seems to be a mirracle.It is an enlitenment to me.
Thank you.
Prasad
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hi I got it right.
>>> z=[]
>>> for x in range(1000):
if divmod(x,3)[1]==0:z.append(x)
if divmod(x,5)[1]==0:z.append(x)
>>> sum(set(z))
233168
I am sorry if this is outside the perimeter of this list.
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hello! I got it 266333.
My code==
t=0
for x in range(1000):
if divmod(x,3)[1]==0:t+=x
if divmod(x,5)[1]==0:t+=x
t=266333
Am I correct in comprehention of the problem?
Prasad
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. class Value:def __init__(self, vs = ""):
>... self.vs = vs
>... self.v = self.asInt()
>...def asInt(self):
>... try: self.v = int(self.vs)
>... except: self.v = None
>... return self.v
>...def asString(self):
>...vs = str(self.vs)
>...
Hello
I am trying to get a value as integer and a string.
>>> class Value:
def __init__(self,inte='',stri=''):
self.inte=inte
self.stri=stri
def setvalue(self,inte='',stri=''):
self.stri=str(self.inte)
self.inte=int(self.stri)
>>> v=Value(45)
>>>
HiI tried to print multiplication table using (*args) to pass parameters.and
tried
to print tables side by side.But the code looks messy .Is there a better way
to do it.
def mtab(*arg):
for x in range(1,11):
print '%3d'%(x),'x','%3d'%(arg[0]),'=','%3d'%(x*arg[0]),(' '*5),\
'%3d'%(x),'x','%3d'%(a
Hello Your code is concise and neat.It will take some time for me
to understand how it is doing the job. Thank you
>You have a lot of duplicated code. You can reduce the duplication by
>using functions and loops.
>The first step is to put all the print code into a function rather
>than repe
hellI got a problem sorting a list of lists.
ml=
[[112, 'p'], [114, 'r'], [97, 'a'], [115, 's'], [97, 'a'], [100, 'd'], [97,
'a'], [114, 'r'], [97, 'a'], [111, 'o']]
sorted(ml,key=?)
How can I formulate a key to sort based on the first element of each list.
sorting list of lists might have been d
Hello Thanks .Today I learned to use operator.itemgetter() to set key.
Thank you
prasad
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HelloI wrote a function named vertical to print string .printable characters
and ASCII values in a table.
1)It is swallowing some characters.
2)It output some characters 2 or 3 times.
3)It prints one column more than what I asked for.
It may be a division problem(floating point).
Its sibling call
> I wrote a function named vertical to print string .printable characters
and
.>> ASCII values in a table.
>> 1)It is swallowing some characters.
>> 2)It output some characters 2 or 3 times.
>> 3)It prints one column more than what I asked for.
>> def vertical(columns):
>> import string
>
helloyes.you are right.
>>> 2==True
False
It is an unexpected result to me.
I thought any value other than 0 is True.
And the solution provided by you(bool(a/1))
is useful to me.
Thank you
Prasad
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hi
>>> a=2.1
>>> a%1==True
False
>>> a%1==False
False
>>> b=3.8
>>> b%1==True
False
>>> b%1==False
False
If it gives correct bool, it could be put to good use.
Prasad
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hi>Right now you skip by x+((len(v))/columns)
>which will be different for each row.
How is it possible. len(v)=98.A constant.
Is it not.
Does len(v) changes with each iteration?
Prasad
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hi I modified my function ' vertical' by adding a few characters to
eliminate
the division problem.
def vertical(columns):
if columns>7:
columns=7
import string
v=string.printable
v=v.replace('\n','')
v=v.replace('\t','')
if len(v)%columns !=0:
Hi I am unable to bind an event to a widget despite of my best efforts.
Some one please help me.
class app:
def __init__(self,root):
frame=Frame(root)
frame.bind('',self.callback)
frame.pack()
self.event=event
self.button=Button(root,text='quit',fg='red',command=frame.quit)
self.button.pack(sid
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