How to change the number into the same expression's string and vice versa?
In the python3 console: a=18 b='18' str(a) == b True int(b) == a True Now how to change a1,a2,a3 into b1,b2,b3 and vice versa? a1=0xf4 a2=0o36 a3=011 b1='0xf4' b2='0o36' b3='011' -- https://mail.python.org/mailman/listinfo/python-list
OSError: [WinError 10022] An invalid argument was supplied in udp python file
When i test an udp.py file on server and client in python34.
#!/usr/bin/env python
import socket, sys
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
MAX = 65535
PORT = 1060
if sys.argv[1:] == ['server']:
s.bind(('127.0.0.1', PORT))
print('Listening at', s.getsockname())
while True:
data, address = s.recvfrom(MAX)
print('The client at', address, 'says', repr(data))
s.sendto('Your data was %d bytes' % len(data), address)
elif sys.argv[1:] == ['client']:
print('Address before sending:',s.getsockname())
s.sendto('This is my message',('127.0.0.1', PORT))
print('Address after sending',s.getsockname())
data, address = s.recvfrom(MAX)
print('The server', address, 'says', repr(data))
else:
print('usage: udp_local.py server|client')
The command `python udp.py server` get output:
Listening at ('127.0.0.1', 1060)
Why `python udp.py client` run failure:
Traceback (most recent call last):
File d://udp.py, line 15, in module
print('Address before sending:', s.getsockname())
OSError: [WinError 10022] An invalid argument was supplied
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how to call shell?
import os os.system(i=3) 0 os.system(echo $i) 0 why i can't get the value of i ? -- http://mail.python.org/mailman/listinfo/python-list
i can't understand decorator
def deco(func): ... def kdeco(): ... print(before myfunc() called.) ... func() ... print( after myfunc() called.) ... return kdeco ... @deco ... def myfunc(): ... print( myfunc() called.) ... myfunc() before myfunc() called. myfunc() called. after myfunc() called. deco(myfunc)() before myfunc() called. before myfunc() called. myfunc() called. after myfunc() called. after myfunc() called. 1. why there are two lines :before myfunc() called.and tow lines :after myfunc() called. in the output? 2.why the result is not before myfunc() called. myfunc() called. after myfunc() called. before myfunc() called. myfunc() called. after myfunc() called. -- http://mail.python.org/mailman/listinfo/python-list
father class name
here is my haha class class haha(object): def theprint(self): print i am here haha().theprint() i am here haha(object).theprint() Traceback (most recent call last): File stdin, line 1, in module TypeError: object.__new__() takes no parameters why haha(object).theprint() get wrong output? -- http://mail.python.org/mailman/listinfo/python-list
Re: change the first letter into uppercase (ask)
the pattern `re.compile(.(?#nyh2p){0,1})` , make me confused,
can you explain how it can match the first letter of every word?
2012/10/20 Dennis Lee Bieber wlfr...@ix.netcom.com
On Sat, 20 Oct 2012 01:03:46 -0400, Zero Piraeus sche...@gmail.com
declaimed the following in gmane.comp.python.general:
:
On 20 October 2012 00:09, contro opinion contropin...@gmail.com wrote:
how can i use regular expression in python to change the string
a test of capitalizing
into
A Test Of Capitalizing?
import re
pattern = re.compile(.(?#nyh2p){0,1})
result =
f = str.title
f = str.capitalize
for match in re.findall(pattern, a test of capitalizing):
... result = f(result + match)
result = result + f(match)
Or closer... Don't both with f and str.capitalize
result = result + match.capitalize()
...
print(result)
A Test Of Capitalizing
a test of capitalizing.title()
'A Test Of Capitalizing'
Not to be confused with
a test of capitalizing.capitalize()
'A test of capitalizing'
--
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wlfr...@ix.netcom.comHTTP://wlfraed.home.netcom.com/
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change the first letter into uppercase (ask)
how can i use regular expression in python to change the string a test of capitalizing into A Test Of Capitalizing? -- http://mail.python.org/mailman/listinfo/python-list
+ in regular expression
str= gg
x1=re.match(\s+,str)
x1
_sre.SRE_Match object at 0xb7354db0
x2=re.match(\s{6},str)
x2
_sre.SRE_Match object at 0xb7337f38
x3=re.match(\s{6}+,str)
Traceback (most recent call last):
File stdin, line 1, in module
File /usr/lib/python2.6/re.py, line 137, in match
return _compile(pattern, flags).match(string)
File /usr/lib/python2.6/re.py, line 245, in _compile
raise error, v # invalid expression
sre_constants.error: multiple repeat
why the \s{6}+ is not a regular pattern?
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local variable 'a' referenced b
code1 def foo(): ... a = 1 ... def bar(): ... b=2 ... print a + b ... bar() ... ... foo() 3 code2 def foo(): ... a = 1 ... def bar(): ... b=2 ... a = a + b ... print a ... bar() ... foo() Traceback (most recent call last): File stdin, line 1, in module File stdin, line 7, in foo File stdin, line 5, in bar UnboundLocalError: local variable 'a' referenced b why code2 can not get output of 3? -- http://mail.python.org/mailman/listinfo/python-list
lxml can't output right unicode result
i eidt a file and save it in gbk encode named test. my system is
:debian,locale,en.utf-8;python2.6,locale,utf-8.
html
p你/p
/html
in terminal i input:
xxd test
000: 3c68 746d 6c3e 0a3c 703e c4e3 3c2f 703e html.p../p
010: 0a3c 2f68 746d 6c3e 0a ./html.
你 is you in english,
\xc4\xe3 is the gbk encode of it.
\xe4\xbd\xe3 is the utf-8 encode of it.
u\x4f\x60 is the unicode encode of it.
now i parse it in lxml
你
'\xe4\xbd\xa0'
你.decode(utf-8)
u'\u4f60'
你.decode(utf-8).encode(gbk)
'\xc4\xe3'
code1:
import lxml.html
root=lxml.html.parse(test)
d=root.xpath(//p)
d[0].text_content()
u'\xc4\xe3'
in material ,lxml parse file to output the unicode form.
why the d[0].text_content() can not output u'\x4f\x60'?
code2:
import codecs
import lxml.html
f = codecs.open('test', 'r', 'gbk')
root=lxml.html.parse(f)
d=root.xpath(//p)
d[0].text_content()
u'\xe4\xbd\xa0'
why the d[0].text_content() can not output u'\x4f\x60'?
i am confused by this problem for two days.
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get the matched regular expression position in string.
Here is a string : str1=ha,hihi,a,ok I want to get the position of , in the str1,Which can count 3,8,14. how can I get it in python ? -- http://mail.python.org/mailman/listinfo/python-list
is there history command in python?
in bash ,history command can let me know every command which i execute in history, is there a same command in python console?if there is no,how can i know the historical inputs? it is not convenient to use direction key( up, or down arrow key) to see my historical inputs. i want an another convenient method. -- http://mail.python.org/mailman/listinfo/python-list
why i can't set locale?
locale.setlocale(locale.LC_ALL, 'gbk') Traceback (most recent call last): File stdin, line 1, in module File /usr/lib/python2.6/locale.py, line 513, in setlocale return _setlocale(category, locale) locale.Error: unsupported locale setting -- http://mail.python.org/mailman/listinfo/python-list
how to get character hex number?
for i in english : ... print(hex((ord(i ... 0x65 0x6e 0x67 0x6c 0x69 0x73 0x68 uenglish.encode(utf-8) 'english' uenglish.encode(ascii) 'english' how can i get 656e676c697368 in encode method? -- http://mail.python.org/mailman/listinfo/python-list
to know binary
there is a only line in the file nanmed test: 1234 when i open it whit xxd xxd test what i get is : 000: 3132 3334 0a 1234. can you explain it ? -- http://mail.python.org/mailman/listinfo/python-list
squeeze install python-gi
我发现squeeze 不能安装python-gi,没有squeeze的版本
from gi.repository import Gtk
def destroy_cb(widget):
Gtk.main_quit()
w = Gtk.Window()
w.connect('destroy', destroy_cb)
l = Gtk.Label()
l.set_text(Hello World!)
w.add(l)
w.show_all()
Gtk.main()
这样简单的代码，无法在squeeze里面运行？
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how to write configure
PyGObject uses the standard autotools for the build infrastructure. To build, it should be as simple as running: $ ./configure --prefix=prefix where python is installed my python2.7 is in /usr/lib/python2.7 will i write : ./configure --prefix=/usr/lib/python2.7 or ./configure --prefix=/usr/lib -- http://mail.python.org/mailman/listinfo/python-list
Re: how to compile pygtk in python2.7?
it's so strange when i input hisroty 506 cd /home/tiger/pygtk-2.24.0 507 PYTHON=/usr/local/bin/python2.7 ./configure --prefix=/usr 508 echo $? #i get 0 ,it means success?? 509 make 510 echo $? #i get 0 ,it means success?? 511 make install 512 echo $?#i get 0 ,it means success?? no wrong output can see . root@ocean:~# python2.7 Python 2.7.3 (default, Jul 1 2012, 14:13:18) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. import gtk Traceback (most recent call last): File stdin, line 1, in module ImportError: No module named gtk 2012/7/8 Chris Angelico ros...@gmail.com On Sun, Jul 8, 2012 at 2:47 PM, contro opinion contropin...@gmail.com wrote: 3.PYTHON=/usr/bin/python2.7 ./configure --prefix=/usr 4. make 5. make install What happened when you typed these commands? Were there failure messages? As Benjamine suggested, do you need to become root to install? ChrisA -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: how to compile pygtk in python2.7?
1.PYTHON=/usr/local/bin/python2.7 ./configure --prefix=/usr
the output is :
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking dependency style of gcc... gcc3
checking for bind_textdomain_codeset... yes
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for some Win32 platform... no
checking for native Win32... no
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands +=... yes
checking for /usr/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (/usr/bin/ld) supports shared
libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
configure: creating ./config.lt
config.lt: creating libtool
checking whether /usr/local/bin/python2.7 version = 2.3.5... yes
checking for /usr/local/bin/python2.7 version... 2.7
checking for /usr/local/bin/python2.7 platform... linux2
checking for /usr/local/bin/python2.7 script directory...
${prefix}/lib/python2.7/site-packages
checking for /usr/local/bin/python2.7 extension module directory...
${exec_prefix}/lib/python2.7/site-packages
checking for headers required to compile python extensions... found
checking for PySignal_SetWakeupFd in Python.h... yes
checking for python module thread... yes
checking whether to enable threading in pygtk... yes
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.16... yes
checking for GLIB - version = 2.8.0... yes (version 2.24.2)
checking for PYGOBJECT... yes
checking for gio-types.defs...
/usr/share/pygobject/2.0/defs/gio-types.defs
checking for ATK... yes
checking for PANGO... yes
checking for codegen... /usr/share/pygobject/2.0/codegen
checking for PYCAIRO... yes
checking for PANGOCAIRO... yes
checking for GTK... yes
checking for GTK210... yes
checking for GTK212... yes
checking for GTK214... yes
checking for GTK216... yes
checking for GTK218... yes
checking for GTK220... yes
checking for GTK222... no
no
checking for GTK224... no
no
checking for LIBGLADE... yes
checking for GTKUNIXPRINT... yes
checking for
Re: how to compile pygtk in python2.7?
2.make the output is : Could not write method GdkFont.text_width_wc: No ArgType for const-GdkWChar* Could not write method GdkFont.char_width_wc: No ArgType for GdkWChar Could not write method GdkFont.text_extents_wc: No ArgType for const-GdkWChar* Could not write method GdkFont.string_extents: No ArgType for gint* Could not write method GdkFont.get_xfont: No ArgType for gpointer Could not write method GdkFont.x11_font_get_xdisplay: No ArgType for Display* Could not write method GdkCursor.get_xdisplay: No ArgType for Display* Could not write method GdkCursor.get_xcursor: No ArgType for Cursor Could not write method GdkRegion.spans_intersect_foreach: No ArgType for GdkSpan* Could not write method GdkRegion.rect_equal: No ArgType for const-GdkRectangle* Warning: generating old-style constructor for:gdk_colormap_new Could not write method GdkColormap.alloc_colors: No ArgType for gboolean* Could not write method GdkColormap.get_xdisplay: No ArgType for Display* Could not write method GdkColormap.get_xcolormap: No ArgType for Colormap Warning: generating old-style constructor for:gdk_display_open Could not write method GdkDisplay.add_client_message_filter: No ArgType for GdkFilterFunc Could not write method GdkDisplay.set_pointer_hooks: No ArgType for const-GdkDisplayPointerHooks* Could not write method GdkDisplay.get_xdisplay: No ArgType for Display* Could not write method GdkDisplay.set_cursor_theme: No ArgType for const-gint Could not write method GdkDrawable.set_data: No ArgType for gpointer Could not write method GdkDrawable.get_data: No ArgType for gpointer Could not write method GdkDrawable.draw_text_wc: No ArgType for const-GdkWChar* Could not write method GdkDrawable.get_xdisplay: No ArgType for Display* Could not write method GdkDrawable.get_xid: No ArgType for XID Could not write virtual accessor method GdkDrawable.create_gc: No ArgType for GdkGCValues* Could not write virtual accessor method GdkDrawable.draw_polygon: No ArgType for GdkPoint* Could not write virtual accessor method GdkDrawable.draw_text_wc: No ArgType for const-GdkWChar* Could not write virtual accessor method GdkDrawable.draw_points: No ArgType for GdkPoint* Could not write virtual accessor method GdkDrawable.draw_segments: No ArgType for GdkSegment* Could not write virtual accessor method GdkDrawable.draw_lines: No ArgType for GdkPoint* Could not write virtual accessor method GdkDrawable.get_size: No ArgType for gint* Could not write virtual accessor method GdkDrawable.get_composite_drawable: No ArgType for gint* Could not write virtual accessor method GdkDrawable.draw_trapezoids: No ArgType for GdkTrapezoid* Could not write virtual accessor method GdkDrawable.ref_cairo_surface: No ArgType for cairo_surface_t* Could not write virtual proxy GdkDrawable.create_gc: No ArgType for GdkGCValues* Could not write virtual proxy GdkDrawable.draw_polygon: No ArgType for GdkPoint* Could not write virtual proxy GdkDrawable.draw_text_wc: No ArgType for const-GdkWChar* Could not write virtual proxy GdkDrawable.draw_points: No ArgType for GdkPoint* Could not write virtual proxy GdkDrawable.draw_segments: No ArgType for GdkSegment* Could not write virtual proxy GdkDrawable.draw_lines: No ArgType for GdkPoint* Could not write virtual proxy GdkDrawable.get_size: cannot use int* parameter with direction 'None' Could not write virtual proxy GdkDrawable.get_composite_drawable: cannot use int* parameter with direction 'None' Could not write virtual proxy GdkDrawable.draw_trapezoids: No ArgType for GdkTrapezoid* Could not write virtual proxy GdkDrawable.ref_cairo_surface: No ArgType for cairo_surface_t* Could not write method GdkWindow.selection_property_get: No ArgType for guchar** Could not write method GdkWindow.remove_filter: No ArgType for GdkFilterFunc Could not write method GdkWindow.invalidate_maybe_recurse: No ArgType for gboolean (*child_func)(GdkWindow *, gpointer) Could not write method GdkWindow.get_internal_paint_info: No ArgType for GdkDrawable** Could not write method GdkWindow.get_root_coords: No ArgType for gint* Warning: generating old-style constructor for:gdk_pango_renderer_new Warning: generating old-style constructor for:gdk_pixmap_new Could not write method GdkGC.get_values: No ArgType for GdkGCValues* Could not write method GdkGC.get_xdisplay: No ArgType for Display* Could not write method GdkGC.get_xgc: No ArgType for GC Could not write virtual accessor method GdkGC.get_values: No ArgType for GdkGCValues* Could not write virtual accessor method GdkGC.set_values: No ArgType for GdkGCValues* Could not write virtual accessor method GdkGC.set_dashes: No ArgType for gint8[] Could not write virtual proxy GdkGC.get_values: No ArgType for GdkGCValues* Could not write virtual proxy
how to compile pygtk in python2.7?
1.download pygtk 2.cd /home/tiger/pygtk-2.24.0 3.PYTHON=/usr/bin/python2.7 ./configure --prefix=/usr 4. make 5. make install *tiger@ocean:~$ python2.7 Python 2.7.3 (default, Jul 1 2012, 14:13:18) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. import gtk Traceback (most recent call last): File stdin, line 1, in module ImportError: No module named gtk * i can't compile pygtk in python2.7,how to compile it? -- http://mail.python.org/mailman/listinfo/python-list
Re: how to use tkinter in python3.2?
apt-get install tk-dev cd ./python3.2.3 ./cpnfigure make make install ok root@ocean:/home/tiger/Python-3.2.3# python3.2 Python 3.2.3 (default, Jul 2 2012, 21:23:34) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. import tkinter haha,think Serhiy Storchaka 2012/7/1 Serhiy Storchaka storch...@gmail.com On 01.07.12 07:25, contro opinion wrote: i have installed tk ,how to use tkinker in python3.2? You must install tk-dev (or whatever it's called on your system) before Python building (don't forget to rerun configure). -- http://mail.python.org/**mailman/listinfo/python-listhttp://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
how to solve this tclerror?
i want to install a software,
please see the manul page 2
http://www.openfiling.info/wp-content/upLoads/data/ArelleUsersManual.pdf
when i input the command to install Arelle :
tiger@ocean:~$ cd /home/tiger/Arelle
tiger@ocean:~/Arelle$ python3.2 arelleGUI.pyw
Traceback (most recent call last):
File arelleGUI.pyw, line 11, in module
CntlrWinMain.main()
File /home/tiger/Arelle/arelle/CntlrWinMain.py, line 1113, in main
cntlrWinMain = CntlrWinMain(application)
File /home/tiger/Arelle/arelle/CntlrWinMain.py, line 164, in __init__
windowFrame = Frame(self.parent)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 761, in __init__
Widget.__init__(self, master, ttk::frame, kw)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 559, in __init__
_load_tile(master)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 47, in _load_tile
master.tk.eval('package require tile') # TclError may be raised here
_tkinter.TclError: can't find package tile
how to solve this problem?
i have installed python3.2 ,tk-dev ,lxml ,tkinter
tiger@ocean:~/Arelle$ python3.2
Python 3.2.3 (default, Jul 2 2012, 21:23:34)
[GCC 4.4.5] on linux2
Type help, copyright, credits or license for more information.
import tkinter
import lxml
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Re: how to solve this tclerror?
i solve it myself
1.download tile-0.8.4.0.tar.gz
2. ./configure
3. make
4 make install
tiger@ocean:~$ cd /home/tiger/Arelle
tiger@ocean:~/Arelle$ python3.2 arelleGUI.pyw
i get what i want ,haha.
2012/7/2 contro opinion contropin...@gmail.com
i want to install a software,
please see the manul page 2
http://www.openfiling.info/wp-content/upLoads/data/ArelleUsersManual.pdf
when i input the command to install Arelle :
tiger@ocean:~$ cd /home/tiger/Arelle
tiger@ocean:~/Arelle$ python3.2 arelleGUI.pyw
Traceback (most recent call last):
File arelleGUI.pyw, line 11, in module
CntlrWinMain.main()
File /home/tiger/Arelle/arelle/CntlrWinMain.py, line 1113, in main
cntlrWinMain = CntlrWinMain(application)
File /home/tiger/Arelle/arelle/CntlrWinMain.py, line 164, in __init__
windowFrame = Frame(self.parent)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 761, in __init__
Widget.__init__(self, master, ttk::frame, kw)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 559, in __init__
_load_tile(master)
File /usr/local/lib/python3.2/tkinter/ttk.py, line 47, in _load_tile
master.tk.eval('package require tile') # TclError may be raised here
_tkinter.TclError: can't find package tile
how to solve this problem?
i have installed python3.2 ,tk-dev ,lxml ,tkinter
tiger@ocean:~/Arelle$ python3.2
Python 3.2.3 (default, Jul 2 2012, 21:23:34)
[GCC 4.4.5] on linux2
Type help, copyright, credits or license for more information.
import tkinter
import lxml
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how to use tkinter in python3.2?
tiger@ocean:~$ python3.2 Python 3.2.3 (default, Jul 1 2012, 11:07:14) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. import tkinter Traceback (most recent call last): File stdin, line 1, in module File /usr/local/lib/python3.2/tkinter/__init__.py, line 39, in module import _tkinter # If this fails your Python may not be configured for Tk ImportError: No module named _tkinter i have installed tk ,how to use tkinker in python3.2? in my computer ,i can use tkinter in python3 tiger@ocean:~$ python3 Python 3.1.3 (r313:86834, Nov 28 2010, 11:28:10) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. import tkinter what is the matter? -- http://mail.python.org/mailman/listinfo/python-list
Re: is the same betweent python3 and python3.2?
root@debian:/home/debian# find / -name 'python3' /usr/lib/python-3.2.3/bin/python3 root@debian:/home/debian# /usr/lib/python-3.2.3/bin/python3 Python 3.2.3 (default, Jun 16 2012, 10:59:54) [GCC 4.4.5] on linux2 Type help, copyright, credits or license for more information. it is the same thing,think you 2012/6/16 Andrew Berg bahamutzero8...@gmail.com On 6/15/2012 11:31 PM, contro opinion wrote: is the /usr/lib/python-3.2.3/bin/python3 same as /usr/lib/python-3.2.3/bin/python3.2? It should be. IIRC, ls -l will tell you if something is a link. You could also run python3 and it will tell you the version. -- CPython 3.3.0a4 | Windows NT 6.1.7601.17803 -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
is the same betweent python3 and python3.2?
when i download python-3.2.3.tgz extract ./configure prefix=/usr/lib/python-3.2 make make install when ls /usr/lib/python-3.2.3/bin/ /usr/lib/python-3.2.3/bin/python3.2m /usr/lib/python-3.2.3/bin/python3-config /usr/lib/python-3.2.3/bin/python3 /usr/lib/python-3.2.3/bin/python3.2m-config /usr/lib/python-3.2.3/bin/python3.2 /usr/lib/python-3.2.3/bin/python3.2-config is the /usr/lib/python-3.2.3/bin/python3 same as /usr/lib/python-3.2.3/bin/python3.2? -- http://mail.python.org/mailman/listinfo/python-list
to solve the simple equation
there is a simple equation,
50/((1+x)**0.9389)+50/((1+x)**1.9389)+1050/((1+x)**2.9389)-1045=0
i input :
from sympy import *
x=Symbol('x')
solve(50/((1+x)**0.9389)+50/((1+x)**1.9389)+1050/((1+x)**2.9389)-1045, x)
Traceback (most recent call last):
File stdin, line 1, in module
File /usr/lib/pymodules/python2.6/sympy/solvers/solvers.py, line
332, in solve
result = tsolve(f, *symbols)
File /usr/lib/pymodules/python2.6/sympy/solvers/solvers.py, line
697, in tsolve
(tsolve: at least one Function expected at this point)
NotImplementedError: Unable to solve the equation(tsolve: at least one
Function expected at this point
tsolve(50/((1+x)**0.9389)+50/((1+x)**1.9389)+1050/((1+x)**2.9389)-1045, x)
Traceback (most recent call last):
File stdin, line 1, in module
File /usr/lib/pymodules/python2.6/sympy/solvers/solvers.py, line
697, in tsolve
(tsolve: at least one Function expected at this point)
NotImplementedError: Unable to solve the equation(tsolve: at least one
Function expected at this point
1.how can i solve it with sympy?
2.how can i solve it with other package?
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how many days in one year ?
i want to know how many days in one year, import time import datetime d1= datetime.datetime(2003, 1, 1) d2=datetime.datetime(2003, 21, 31) print (d2-d1).days+1 i can get there are 365 days in the 2003, is there other way,better way to calculate ? -- http://mail.python.org/mailman/listinfo/python-list
Re: md5 check
import hashlib
f=open('c:\gpg4win-2.1.0.exe','rb')
print hashlib.md5(f.read()).hexdigest()
ad6245f3238922bb7afdc4a6d3402a65
print hashlib.sha1(f.read()).hexdigest()
da39a3ee5e6b4b0d3255bfef95601890afd80709
i get it with md5,why the sha1 is wrong?
the sha1 right is
f619313cb42241d6837d20d24a814b81a1fe7f6d
2012/4/19 Jason Friedman ja...@powerpull.net
i have download file (gpg4win-2.1.0.exe from
http://www.gpg4win.org/download.html)
when i run :
Type help, copyright, credits or license for
import md5
f=open('c:\gpg4win-2.1.0.exe','r')
print md5.new(f.read()).hexdigest()
'd41d8cd98f00b204e9800998ecf8427e'
it is not = f619313cb42241d6837d20d24a814b81a1fe7f6d gpg4win-2.1.0.exe
please see :gpg4win-2.1.0.exe from
http://www.gpg4win.org/download.html
Are you wanting md5 or sha1?
http://www.bresink.de/osx/sha1.html
http://www.gpg4win.org/download.html
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md5 check
i have download file (gpg4win-2.1.0.exe from
http://www.gpg4win.org/download.html)
when i run :
Type help, copyright, credits or license for
import md5
f=open('c:\gpg4win-2.1.0.exe','r')
print md5.new(f.read()).hexdigest()
'd41d8cd98f00b204e9800998ecf8427e'
it is not = f619313cb42241d6837d20d24a814b81a1fe7f6d gpg4win-2.1.0.exe
please see :gpg4win-2.1.0.exe from http://www.gpg4win.org/download.html
why ?
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Re: md5 check
import md5
f=open('c:\gpg4win-2.1.0.exe','rb')
print md5.new(f.read()).hexdigest()
ad6245f3238922bb7afdc4a6d3402a65
it is still not equal f619313cb42241d6837d20d24a814b81a1fe7f6d
please try it on your computer ,
what is wrong?
2012/4/19 Dan Sommers d...@tombstonezero.net
On Thu, 19 Apr 2012 09:31:05 +0800
contro opinion contropin...@gmail.com wrote:
import md5
f=open('c:\gpg4win-2.1.0.exe','r')
print md5.new(f.read()).hexdigest()
'd41d8cd98f00b204e9800998ecf8427e'
it is not = f619313cb42241d6837d20d24a814b81a1fe7f6d
gpg4win-2.1.0.exe please see :gpg4win-2.1.0.exe from
http://www.gpg4win.org/download.html
Try opening the file in binary mode (untested):
import md5
f=open('c:\gpg4win-2.1.0.exe','rb') # -- look here
print md5.new(f.read()).hexdigest()
HTH,
Dan
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No such file or directory: 'c:\\windows\\temp\\test'
in my computer
C:\Python27python
Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)]
on win
32
Type help, copyright, credits or license for more information.
1.
f=open(r'c:\windows\temp\test','r')
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 2] No such file or directory: 'c:\\windows\\temp\\test'
2.
f=open(r'c:\windows\temp\test.txt','r')
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 2] No such file or directory: 'c:\\windows\\temp\\test.txt'
3.
f=open('c:\\windows\\temp\\test','r')
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 2] No such file or directory: 'c:\\windows\\temp\\test'
4.
f=open('c:\\windows\\temp\\test.txt','r')
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 2] No such file or directory: 'c:\\windows\\temp\\test.txt'
would you mind telling me what's wrong ?
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add two strings
s1='\x45' s2='\xe4' s1+s2 'E\xe4' print s1+s2 E why s1+s2 not = '\x45\xe4'?? -- http://mail.python.org/mailman/listinfo/python-list
parse binary file
please download the attachment ,and put in c:\test.data
and run the folloeing code:
from struct import unpack
file_obj = open('c:\\test.data', 'r')
day = file_obj.read(40)
while day:
parsed = list(unpack('LLL', day[:28]))
print parsed
day = file_obj.read(40)
[20081014, 2139065, 2146730, 2016184, 2017321, 53353969, 81131895]
wi2mt
[20081015, 1995885, 2013491, 1963103, 1994667, 29604089, 47896861]
xi2å
[20081016, 1916133, 1943320, 1901503, 1909941, 35148740, 59837806]
yi22S
[20081017, 1921842, 1941299, 1902598, 1930651, 26152709, 45736073]
|i2T\
[20081020, 1924180, 1979840, 1890920, 1974010, 32116330, 54057592]
}i221
[20081021, 1978674, 1996658, 1956110, 1958529, 38697702, 62318899]
~i2ﾅ}
[20081022, 1932677, 1950791, 1894310, 1895822, 32351379, 53899980]
i2{?
[20081023, 1851259, 1879849, 1828308, 1875561, 32972464, 54004501]
ﾀi2ﾯﾞ
[20081024, 1875631, 1888101, 1825526, 1839621, 31704770, 51634501]
ﾃi2Iﾛ
Traceback (most recent call last):
File C:\data.py, line 5, in module
parsed = list(unpack('LLL', day[:28]))
error: unpack requires a string argument of length 28
why i can't parse all of them??i just can get a small part of them.
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to express unicode string
s='你好' t=u'你好' s '\xc4\xe3\xba\xc3' t u'\u4f60\u597d' t=us Traceback (most recent call last): File stdin, line 1, in module NameError: name 'us' is not defined how can i use us to express u'你好'?? can i add someting in us to express u'你好'?? -- http://mail.python.org/mailman/listinfo/python-list
what is the unicode?
as far as i know
u'中国'.encode('utf-8')
'\xe4\xb8\xad\xe5\x9b\xbd'
so,'\xe4\xb8\xad\xe5\x9b\xbd' is the utf-8 of '中国'
u'中国'.encode('gbk')
'\xd6\xd0\xb9\xfa'
so,'\xd6\xd0\xb9\xfa' is the utf-8 of '中国'
u'中国'
u'\u4e2d\u56fd'
what is the meaning of u'\u4e2d\u56fd'?
u'\u4e2d\u56fd' = \x4e2d\x56fd ??
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how to get my character?
my system:xp+python27 the codec, xp gbk;python 27 ascii
a = '你好'
a
'\xc4\xe3\xba\xc3'
print a
你好
'\xc4\xe3\xba\xc3'.decode('gbk')
u'\u4f60\u597d'
'\xc4\xe3\xba\xc3'.encode('gbk')
Traceback (most recent call last): File , line 1, in UnicodeDecodeError:
'ascii' codec can't decode byte 0xc4 in position 0: ordinal not in
range(128)
how can i get 你好 from '\xc4\xe3\xba\xc3' ?
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Re: how to get my character?
there is no answer, i can't get 你好 from '\xc4\xe3\xba\xc3' 2012/1/26 Lutz Horn tichodr...@posteo.de Hi, On Thu, 26 Jan 2012 20:52:48 +0800, contro opinion wrote: how can i get 你好 from 'xc4xe3xbaxc3' ? Please share any results you get from http://stackoverflow.com/** questions/9018303/how-to-get-**my-characterhttp://stackoverflow.com/questions/9018303/how-to-get-my-characterwith python-list. Lutz -- http://mail.python.org/**mailman/listinfo/python-listhttp://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
write 涓���� into c:\t1
s='\xd6\xd0\xce\xc4'
print s
中文
s1=s.decode('gbk').encode('utf-8')
print s1
涓
file=open('c:\\t1','w')
file.write(s1)
file.close()
when i open c:\t1,i get 中文 in it,
how can i write 涓 into c:\t1??
file.write(print s1)
File stdin, line 1
file.write(print s1)
^
SyntaxError: invalid syntax
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lxml to parse html
import lxml.html
myxml='''
cooperate
job DecreaseHour=1 table=tpa_radio_sum
/job
job DecreaseHour=2
table=tpa_radio_sum
/job
job DecreaseHour=3 table=tpa_radio_sum
/job
/cooperate
'''
root=lxml.html.fromstring(myxml)
nodes1=root.xpath('//job[@DecreaseHour=1]')
nodes2=root.xpath('//job[@ne_type=101]')
print nodes1=,nodes1
print nodes2=,nodes2
what i get is:
nodes1=[] and
nodes2=[Element job at 0x13636f0]
why nodes1 is []?nodes2=[Element job at 0x13636f0],
it is so strange thing?why ?
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lxml to parse html
import lxml.html
myxml='''
cooperate
job DecreaseHour=1 table=tpa_radio_sum
/job
job DecreaseHour=2 table=tpa_radio_sum
/job
job DecreaseHour=3 table=tpa_radio_sum
/job
/cooperate
'''
root=lxml.html.fromstring(myxml)
nodes1=root.xpath('//job[@DecreaseHour=1]')
nodes2=root.xpath('//job[@table=tpa_radio_sum]')
print nodes1=,nodes1
print nodes2=,nodes2
nodes1= []
nodes2= [Element job at 0x1241240, Element job at 0x1362690, Element
job at 0x13626c0]
would you mind to tell me why nodes1=[]??
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in the middle of web ,there is a problem,how to parse
here is my code:
import urllib
import lxml.html
down=
http://sc.hkex.com.hk/gb/www.hkex.com.hk/chi/market/sec_tradinfo/stockcode/eisdeqty_c.htm
file=urllib.urlopen(down).read()
root=lxml.html.document_fromstring(file)
data1 = root.xpath('//tr[@class=tr_normal and .//img]')
print the row which contains img :
for u in data1:
print u.text_content()
data2 = root.xpath('//tr[@class=tr_normal and not(.//img)]')
print the row which do not contain img :
for u in data2:
print u.text_content()
the output is :(i omit many lines )
the row which contains img :
00329
the row which do not contain img :
1长江实业1,000#HOF
many lines omitted
00327百富环球1,000#H
00328ALCO HOLDINGS2,000#
i wondered why there are so many lines i can't get such as :
(you can see in the web
http://sc.hkex.com.hk/gb/www.hkex.com.hk/chi/market/sec_tradinfo/stockcode/eisdeqty_c.htm
)
00330思捷环球http://sc.hkex.com.hk/gb/www.hkex.com.hk/chi/invest/company/profile_page_c.asp?WidCoID=00330WidCoAbbName=Month=langcode=c
100#HOF00331春天百货http://sc.hkex.com.hk/gb/www.hkex.com.hk/chi/invest/company/profile_page_c.asp?WidCoID=00331WidCoAbbName=Month=langcode=c
2,000#H 00332NGAI LIK
INDhttp://sc.hkex.com.hk/gb/www.hkex.com.hk/chi/invest/company/profile_page_c.asp?WidCoID=00332WidCoAbbName=Month=langcode=c
4,000# ...many lines ommitted
i want to know how can i get these ??
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problem:emulate it in python with mechanize
you can do it by hand ,
1.open
http://www.flvcd.com/'
2.input
http://v.163.com/movie/2008/10/O/Q/M7F57SUCS_M7F5R3DOQ.html
3.click submit
you can get
http://mov.bn.netease.com/movie/2012/1/V/7/S7MKQOBV7.flv
i want to emulate it in python with mechanize,here is my code ,why i
can't get the right result:
http://mov.bn.netease.com/movie/2012/1/V/7/S7MKQOBV7.flv
import mechanize
import cookielib
import lxml.html
br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; en-US;
rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1')]
br = mechanize.Browser()
br.set_handle_robots(False)
r = br.open('http://www.flvcd.com/')
for f in br.forms():
print f
br.select_form(nr=0)
br.form['kw']='http://v.163.com/movie/2008/10/O/Q/M7F57SUCS_M7F5R3DOQ.html'
print br.submit().read()
why??
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mechanize can't get address
here is my code
# -*- coding: gbk -*-
import mechanize
import cookielib
target=http://v.163.com/movie/2008/10/O/Q/M7F57SUCS_M7F5R3DOQ.html;
# Browser
br = mechanize.Browser()
# Cookie Jar
cj = cookielib.LWPCookieJar()
br.set_cookiejar(cj)
# Browser options
br.set_handle_equiv(True)
br.set_handle_gzip(True)
br.set_handle_redirect(True)
br.set_handle_referer(True)
#br.set_handle_robots(False)
# Follows refresh 0 but not hangs on refresh 0
br.set_handle_refresh(mechanize._http.HTTPRefreshProcessor(), max_time=1)
# Want debugging messages?
#br.set_debug_http(True)
#br.set_debug_redirects(True)
#br.set_debug_responses(True)
# User-Agent (this is cheating, ok?)
br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; en-US;
rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/4.0.0')]
br.open(target)
web=br.response().read()
file=open('c:\\v','w')
file.write(web)
file.close()
why i can't get the address of movie??
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why i can get nothing?
here is my code : import urllib import lxml.html down='http://download.v.163.com/dl/open/00DL0QDR0QDS0QHH.html' file=urllib.urlopen(down). read() root=lxml.html.document_fromstring(file) tnodes = root.xpath(//a/@href[contains(string(),'mp4')]) for i,add in enumerate(tnodes): print i,add why i can get nothing? -- http://mail.python.org/mailman/listinfo/python-list
how to put code on the google app and run it
there is a simple code,which can run locally ,and get three csv file in
c:/
#coding:utf-8
import urllib
import re
import os
exchange=['NASDAQ','NYSE','AMEX']
for down in exchange:
myfile=open('c:/'+down,'w')
url='
http://www.nasdaq.com/screening/companies-by-industry.aspx?exchange='+down+'render=download
'
file=urllib.urlopen(url).read()
myfile.write(file)
print 'ok',down
myfile.close()
i want to upload it onto my google app (i have one google app account)and
let it run on 4 o'clock (with cron) ,and let the downloaded data on my
google app,
how to do ?
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function problem
code1: def FirstDeco(func): print 'haha' y=func() return y print y @FirstDeco def test(): print 'asdf' return 7 result : haha asdf code2: def FirstDeco(func): print 'haha' y=func() #return y print y @FirstDeco def test(): print 'asdf' return 7 result : haha asdf 7 why the result of code1 and code2 is different? -- http://mail.python.org/mailman/listinfo/python-list
decorator problem1:
test1.py def deco(func): print 'i am in deco' return func @deco def test(): print 'i am in test' when you run it ,you get : test2.py def tsfunc(func): def wrappedFunc(): print '[%s] %s() called' % (ctime(), func.__name__) print 'i am in deco' return func() return wrappedFunc @tsfunc def test(): print i am in test when you run test2.py,you can get nothing ,why can't i get :?? i am in deco -- http://mail.python.org/mailman/listinfo/python-list
decorator problem
test1.py def deco(func): print 'i am in deco' @deco def test(): print 'i am in test' when you run it ,you get : i am in deco test2.py def tsfunc(func): def wrappedFunc(): print 'i am in deco' return func() return wrappedFunc @tsfunc def test(): print i am in test when you run test2.py,you can get nothing ,why can't i get :?? i am in deco -- http://mail.python.org/mailman/listinfo/python-list
decorator and wrap
def deco(func): def wrap(): print 'i am in deco' return func() return wrap @deco def test(): print i am in test when you run it ,there is no result , def deco(func): print 'i am in deco' return func() @deco def test(): print i am in test when you run it ,you can get : i am in deco i am in test why?? -- http://mail.python.org/mailman/listinfo/python-list
parse html to get tr content
here is my code: import lxml.html sfile='http://finance.yahoo.com/q/op?s=A+Options'http://finance.yahoo.com/q/op?s=A+Options%27 root=lxml.html.parse(sfile).getroot() t = root.xpath(//table[@class='yfnc_datamodoutline1'])[0] trs=t.xpath(.//tr) for i, tr in enumerate(trs): print (i, len(tr),tr.text_content()) the output is: 0 1 StrikeSymbolLastChgBidAskVolOpen Int25.00A111022C0002500010.70 0.007.007.4531528.00A111022C000280004.35 0.004.654.7520121029.00A111022C000290003.80 0.003.954.0542642530.00A111022C00033.110.013.253.35559731.00A111022C000310002.700.162.662.71740732.00A111022C000320002.110.082.122.17236433.00A111022C000330001.870.311.651.702956834.00A111022C000340001.360.151.261.302664935.00A111022C00035.960.040.940.984547736.00A111022C00036.720.120.690.724378637.00A111022C00037.510.030.490.52511,43538.00A111022C00038.35 0.000.340.354429339.00A111022C00039.16 0.000.220.26914940.00A111022C00040.180.030.150.185330141.00A111022C00041.33 0.000.100.14218442.00A111022C00042.08 0.000.060.10314745.00A111022C00045.10 0.000.010.05200243 1 8 StrikeSymbolLastChgBidAskVolOpen Int 2 8 25.00A111022C0002500010.70 0.007.007.45315 3 8 28.00A111022C000280004.35 0.004.654.75201210 4 8 29.00A111022C000290003.80 0.003.954.05426425 5 8 30.00A111022C00033.110.013.253.355597 6 8 31.00A111022C000310002.700.162.662.717407 7 8 32.00A111022C000320002.110.082.122.172364 8 8 33.00A111022C000330001.870.311.651.7029568 9 8 34.00A111022C000340001.360.151.261.3026649 10 8 35.00A111022C00035.960.040.940.9845477 11 8 36.00A111022C00036.720.120.690.7243786 12 8 37.00A111022C00037.510.030.490.52511,435 13 8 38.00A111022C00038.35 0.000.340.3544293 14 8 39.00A111022C00039.16 0.000.220.269149 15 8 40.00A111022C00040.180.030.150.1853301 16 8 41.00A111022C00041.33 0.000.100.142184 17 8 42.00A111022C00042.08 0.000.060.103147 18 8 45.00A111022C00045.10 0.000.010.05200243 i want to know why i=0 the tr.text_content()'s value is : StrikeSymbolLastChgBidAskVolOpen Int25.00A111022C0002500010.70 0.007.007.4531528.00A111022C000280004.35 0.004.654.7520121029.00A111022C000290003.80 0.003.954.0542642530.00A111022C00033.110.013.253.35559731.00A111022C000310002.700.162.662.71740732.00A111022C000320002.110.082.122.17236433.00A111022C000330001.870.311.651.702956834.00A111022C000340001.360.151.261.302664935.00A111022C00035.960.040.940.984547736.00A111022C00036.720.120.690.724378637.00A111022C00037.510.030.490.52511,43538.00A111022C00038.35 0.000.340.354429339.00A111022C00039.16 0.000.220.26914940.00A111022C00040.180.030.150.185330141.00A111022C00041.33 0.000.100.14218442.00A111022C00042.08 0.000.060.10314745.00A111022C00045.10 0.000.010.05200243 it's strannge thing for me to understand. -- http://mail.python.org/mailman/listinfo/python-list
