Using Python 3.0
res = urllib.request.urlopen(url)
f = open('file.txt', 'wb') # Since res.read() returns bytes
f.write(res.read())
But newline and return feeds are stored as b14, 58a as text in the text file.
So how do I to convert res.read() to ascii on opening the file in
ascii mode f = open('
The problem seems be solved with urllib.request.urlretrieve()
I think the binary information read() was giving had headers like
content-size - but not HTTP headers.
The first couple of bytes indicate how much content to read and after
reading that content, the next set of bytes indicate the next
Is there a way to return an iterable object ?
class twoTimes:
def __init__(self, n):
self.__n = n
def getNext():
self.__n *= 2
return self.__n
t = twoTimes(5)
while (n in t.getNext()): # while (n in t):
print (n)
--
Anjanesh Lekshmnarayanan
--
http://mail.p
> You can also replace the whole class with a function thusly:
>
>def two_times(n):
>for k in itertools.count(1):
>yield n * (2**k)
>
> This function is then called a generator (because it generates an
> iterator). You can now say
>
>infinitely_doubling_numbers = two_tim
But how come a raise StopIteration in the next() method doesnt need to
be caught ? It works without breaking.
class twoTimes:
max = 10**10
def __init__(self, n):
self.__n = n
def next(self):
if self.__n > self.max:
raise StopIteration
self.__n *= 2
Im reading a file. But there seems to be some encoding error.
>>> f = open(filename)
>>> data = f.read()
Traceback (most recent call last):
File "", line 1, in
data = f.read()
File "C:\Python30\lib\io.py", line 1724, in read
decoder.decode(self.buffer.read(), final=True))
File "C:\P
> It does auto-detect it as cp1252- look at the files in the traceback and
> you'll see lib\encodings\cp1252.py. Since cp1252 seems to be the wrong
> encoding, try opening it as utf-8 or latin1 and see if that fixes it.
Thanks a lot ! utf-8 and latin1 were accepted !
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Same requirement here.
But isnt there any mod_python for Python 3.0 ?
Or do we need to build it from source ourselves ?
I was hoping there would be mod_wsgi binaries for Python 3.0.
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How do I achieve something like this using python ?
spaces = (form.has_key('spaces') ? form.getvalue('spaces') == 1 ? True
: False : False)
spaces = True if form.getvalue('spaces') == 1 if
form.has_key('spaces') else False else False
--
Anjanesh Lekshmnarayanan
--
http://mail.python.org/mailman/l
> (1) what is produced on Anjanesh's machine
>>> sys.getdefaultencoding()
'utf-8'
> (2) it looks like a small snippet from a Python source file!
Its a file containing just JSON data - but has some unicode characters
as well as it has data from the web.
> Anjanesh, Is it a .py file
Its a .json fil
> How do we know that from the what the OP posted?
Its CGI alright.
spaces = form.has_key('spaces') and form.getvalue('spaces') == '1'
But I just dont see how
spaces = (form.has_key('spaces') ? form.getvalue('spaces') == 1 ?
True: False : False)
is complicated in anyway. Its not that hard to read
>>> a = ['cat','dog','elephant']
>>> a.next()
Traceback (most recent call last):
File "", line 1, in
AttributeError: 'list' object has no attribute 'next'
>>>
Is there something that imtates PHP's next() ? (http://php.net/next)
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|Hi
Im trying to download a file from a server. But how do I detect EOF ?
||
import urllib2
f1 = urllib2.urlopen('ftp://username:[EMAIL PROTECTED]/data.zip')
f2 = file("data.zip", "wb")
while f1: # When to stop ?
f2.write(f1.read(1024))
f1.close()
f2.close()
||
I can get the size & us
Thanks for the shutil.copyfileobj.
Oddly, the EOFError didnt work though.
Gabriel Genellina wrote:
En Fri, 22 Aug 2008 16:53:58 -0300, Wojtek Walczak <[EMAIL PROTECTED]> escribió:
On Fri, 22 Aug 2008 22:18:37 +0530, Anjanesh Lekshminarayanan wrote:
Im trying to download a fil
In PHP, if I do
str_replace(array('a', 'e', 'i', 'o', 'u'), '-', $str)
it'll replace all vowels with a hyphen in string $str.
Is there some equivalent in Python ?
Thanks
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Matthias Huening wrote:
Matthias Huening (10.09.2008 16:07):
Anjanesh Lekshminarayanan (10.09.2008 15:50):
In PHP, if I do
str_replace(array('a', 'e', 'i', 'o', 'u'), '-', $str)
it'll replace all vowels with a hyphen in string $
Python 3.1.1
sql = "INSERT INTO `tbl` VALUES (NULL, '%s', '%s', '%s', '%s', '%s');"
for row in fp:
print (sql, (row[0],row[1],row[2],row[3],row[4]))
.
INSERT INTO `tbl` VALUES (NULL, '%s', '%s', '%s', '%s', '%s'); ('142',
'abc', '2006-04-09 02:19:24', '', '')
.
Why is it showing %s in the outp
> Depending on your DB-adapter, you are out of luck here. Either connect to a
> db even if you don't need it, or try & see if you can locate the
> implementation in the module somehow.
ImportError: No module named MySQLdb
MySQLdb only available in Python2.
--
Anjanesh Lekshmnarayanan
--
http:
As of now, there is no mysql adaptor for Python3. Hence cant use escape_string()
> I don't have the slightest clue what you want to say with that.
--
Anjanesh Lekshmnarayanan
--
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> Maybe it would help if you explained what you are actually trying to
> accomplish.
import csv
f = csv.reader(open('data.txt'), delimiter='\t') # 2GB text file
sql = "INSERT INTO `data` VALUES (NULL,%s,%s,%s,%s,%s);"
for row in f:
print (sql, (row[0],row[1],row[2],row[3],row[4]))
$ python3 p
fp = urllib.urlopen(url)
data = fp.read()
Retrieving XML data via an XML service API.
Very often network gets stuck in between. No errors / exceptions.
CTRL+C
File "get-xml.py", line 32, in
fp = urllib.urlopen(url)
File "/usr/lib/python2.6/urllib.py", line 87, in urlopen
return open
>>> a = 1
>>> b = 25
>>> a / b
0
>>> float(a) / b
0.040001
>>>
>>> from __future__ import division
>>> a = 1
>>> b = 25
>>> a / b
0.040001
>>>
In what simple way can I get just 0.04 ?
--
Anjanesh Lekshmnarayanan
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