HELP Printing with wxPython

[Mario]

Hello all, I'm trying hard to make possible to print some simple text from
python to the default printer using wxPython, after days of internet
searches I found this page: http://wiki.wxpython.org/index.cgi/Printing but
is impossible to use this script even if I do exactly as said there. I think
the script is buggy or I am not able to use it, even if seems very simple to
use...

Anyone can give me an hint on how to easily and simply print some text? Is
there a library ready to download and use? Something like SendPrinter("so me
text\n")?

Thanks in advance if anyone can give any help.

Mario

[Tim G]

> Hello all, I'm trying hard to make possible to print some simple text
from

python to the default printer using wxPython, after days of internet
searches I found this page: http://wiki.wxpython.org/index.cgi/Printing but is impossible to use this script even if I do exactly as said there. I think the script is buggy or I am not able to use it, even if seems very simple to use...

Anyone can give me an hint on how to easily and simply print some text? Is there a library ready to download and use? Something like SendPrinter("so me text\n")?

On the strict wxPython front, I can't help
you, but I might be able to offer some help.
Depends a little bit on how much you're tied
to wxPython and how much you need to be cross-platform.

Essentially, if you're on Windows (and have no need
to run on anything else) then consider some of the
solutions here:

http://tgolden.sc.sabren.com/python/...o_i/print.html

If you're on Unix / whatever with no need to do
anything else, then I'm sure there are straightforward
ways to push stuff to a printer. (Something using lpr
he thinks, hoping someone with real knowledge can chip
in).

If you *really* want to use wxPython for cross-platform
needs, or just because you think it's cleaner, then try
on the wxPython lists if you haven't already.

TJG

[Larry Bates]

Mario,

Here is a function stripped from a working program that uses printpreview
from wxWindows to print out cells from a grid that the user is working
on. Hopefully this can point you in the proper direction.

Regards,
Larry Bates

def DO_printpreview (self, event):
if self._trace:
self.logf.write lines("T","Ente ring OuterFrame.DO_p rintpreview")
self.SetStatusT ext('Generating Print Preview', 0)
#
# Define the columns on the printout
#
columndefs=(("C ust#", 8.0/16.0, wxALIGN_LEFT),
("Customer Name", 29.0/16.0, wxALIGN_LEFT),
("Reference" , 16.0/16.0, wxALIGN_LEFT),
("Type", 6.0/16.0, wxALIGN_CENTRE) ,
("Inv. #", 8.0/16.0, wxALIGN_CENTRE) ,
("InvDate", 9.0/16.0, wxALIGN_CENTRE) ,
("L#", 4.0/16.0, wxALIGN_CENTRE) ,
("Item #", 12.0/16.0, wxALIGN_CENTRE) ,
("Item Description",45 .0/16.0, wxALIGN_LEFT),
("Qty", 6.0/16.0, wxALIGN_RIGHT),
("Cost", 10.0/16.0, wxALIGN_RIGHT),
("OMMC $", 10.0/16.0, wxALIGN_RIGHT)
)
columncount=len (columndefs)
#
# Create a new frame for the print preview and give it to PrintTable
#
self.previewfra me=PreviewFrame (None, sys.stdout)
if self._trace:
log.writelines( "T","DO_ppv-Creating PrintTable instance")
prt=PrintTable( self.previewfra me)
#
# Set printout column widths
#
if self._trace: self.logf.write lines("T","DO_p pv-Setting column widths")
prt.set_column=[a[1] for a in columndefs]
#
# Set the column labels (headings)
#
if self._trace:
self.logf.write lines("T","DO-ppv-Setting column headings")
prt.label=[a[0] for a in columndefs]
#
# Set the column alignments
#
if self._trace:
self.logf.write lines("T", "DO-ppv-Setting column alignments")
map(prt.SetColA lignment, range(columncou nt), [a[2] for a in columndefs])
#
# Get the data values from the grid that are selected
#
data=self._getd ata('1')
#
# Skip the first (flag) column and columns 11,13,15,16
# to delete them from the printout.
#
data=[[v[1],v[2],v[3],v[4][0:2],v[5],v[6],
v[7],v[8],v[9],v[10],v[12],v[14]] for v in data]
#
# Loop over the lines and insert a blank line between customers
#
blankline=colum ncount*[''] # Create a blank output line
lastcustomer=No ne
pdata=[]
for values in data:
if lastcustomer != None and values[0] != lastcustomer:
pdata.append(bl ankline)

lastcustomer=va lues[0]
pdata.append(va lues)

pdata.append(bl ankline)
prt.data=pdata
prt.left_margin =0.3
prt.SetLandscap e()
prt.SetHeader(" OMMC Recap Listing-Hardware Items")
prt.SetFooter()
prt.SetFooter(" Date: ", type = "Date & Time", \
align=wxALIGN_L EFT, \indent=prt.lef t_margin)
#
# Override the default font sizes
#
prt.text_font_s ize = 8
#prt.label_font _size= 7
prt.cell_left_m argin = 1.0/32.0
prt.Preview()
if self._trace:
self.logf.write lines("T","Ente ring OuterFrame.DO_p rintpreview")
return
Mario wrote:

Hello all, I'm trying hard to make possible to print some simple text from
python to the default printer using wxPython, after days of internet
searches I found this page: http://wiki.wxpython.org/index.cgi/Printing but
is impossible to use this script even if I do exactly as said there. I think
the script is buggy or I am not able to use it, even if seems very simple to
use...

Anyone can give me an hint on how to easily and simply print some text? Is
there a library ready to download and use? Something like SendPrinter("so me
text\n")?

Thanks in advance if anyone can give any help.

Mario

[James Carroll]

Hi Mario,

Something like SendPrinter("so me text\n")?
If you are doing this just for yourself, and you know you have a
printer that will really print just the plain text when you send it
plain text (like a dot matrix printer from the early 90s) then you can
probably open the printer device and send it text. Under windows you
can try opening LPT1 or on unix it's probably /dev/lpr or something
like that.

wxPython makes it pretty easy to give full modern support for any
printer, including letting the user select which printer to print to,
and getting a print preview, choosing paper size, etc.

I especially like the HtmlEasyPrintin g write-up here:
http://wiki.wxpython.org/index.cgi/Printing

-Jim


On 5/11/05, Mario <ma***@nospam.n oext> wrote: Hello all, I'm trying hard to make possible to print some simple text from
python to the default printer using wxPython, after days of internet
searches I found this page: http://wiki.wxpython.org/index.cgi/Printing but
is impossible to use this script even if I do exactly as said there. I think
the script is buggy or I am not able to use it, even if seems very simpleto
use...

Anyone can give me an hint on how to easily and simply print some text? Is
there a library ready to download and use? Something like SendPrinter("so me
text\n")?

Thanks in advance if anyone can give any help.

Mario

--
http://mail.python.org/mailman/listinfo/python-list

[Mario]

"Tim G" <ti********@via com-outdoor.co.uk> wrote:

Essentially, if you're on Windows (and have no need
to run on anything else) then consider some of the
solutions here:

http://tgolden.sc.sabren.com/python/...o_i/print.html

That was exactly what I needed! Thanks SO MUCH! :) I tested all the
different things and worked perfectly with no problem.

Thanks again, I was trying to do the printing since a lot but never seen
that windows api thing before.

Mario

[Mario]

"Larry Bates" <lb****@syscono nline.com> ha scritto nel messaggio
news:42******** ******@sysconon line.com...

Mario,

Here is a function stripped from a working program that uses printpreview
from wxWindows to print out cells from a grid that the user is working
on. Hopefully this can point you in the proper direction.

Thank you very much for the help, I will study all the code that you sent me
for a future and a more professional programming, for now I used a very
simple win32api call, not very evolved but working fine for what I needed,
since what I am doing needs to run only on a windows machine.

Thanks again :)

Mario

[Mario]

"James Carroll" <mr*****@gmail. com> wrote:

I especially like the HtmlEasyPrintin g write-up here:
http://wiki.wxpython.org/index.cgi/Printing

Thank you for your suggestion but I'm just not able to make it work, as i
said on the original post, I do exactly what is wrote there, but it gives
errors, I think the script is not updated and not working fine with the
latest versions of python or wxpython.

Mario

[Mike Meyer]

James Carroll <mr*****@gmail. com> writes:

If you are doing this just for yourself, and you know you have a
printer that will really print just the plain text when you send it
plain text (like a dot matrix printer from the early 90s) then you can
probably open the printer device and send it text. Under windows you
can try opening LPT1 or on unix it's probably /dev/lpr or something
like that.

Under Unix, you shouldn't be able to open the line printer, whether
it's /dev/lpr or /dev/lpt0 or whater. You shouldn't have
permission.

Instead, as was suggested earlier, use the "lpr" command and send it
the text/data on standard input. Any reasonably managed Unix system
should be able to handle a fair range of graphics formats, though
postscript is preferred.

<mike
--
Mike Meyer <mw*@mired.or g> http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.

[jeff elkins]

On Thursday 12 May 2005 04:56 am, Mike Meyer wrote:

James Carroll <mr*****@gmail. com> writes:

If you are doing this just for yourself, and you know you have a
printer that will really print just the plain text when you send it
plain text (like a dot matrix printer from the early 90s) then you can
probably open the printer device and send it text. Under windows you
can try opening LPT1 or on unix it's probably /dev/lpr or something
like that.

Under Unix, you shouldn't be able to open the line printer, whether
it's /dev/lpr or /dev/lpt0 or whater. You shouldn't have
permission.

Instead, as was suggested earlier, use the "lpr" command and send it
the text/data on standard input. Any reasonably managed Unix system
should be able to handle a fair range of graphics formats, though
postscript is preferred.

<mike
--
Mike Meyer <mw*@mired.or g> http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more
information.

I've been using:

p=os.popen('lp' ,'w')
p.write("some text')
p.Close()
Jeff

[Mike Meyer]

jeff elkins <je********@ear thlink.net> writes:

Instead, as was suggested earlier, use the "lpr" command and send it
the text/data on standard input. Any reasonably managed Unix system
should be able to handle a fair range of graphics formats, though
postscript is preferred.

I've been using:

p=os.popen('lp' ,'w')
p.write("some text')
p.Close()

Yeah. System V called it lp. BSD called it lpr. Most modern systems
have both, as they are just a front end to the line printer (when was
the last time you saw an honest-to-gods line printer?) daemon.

<mike
--
Mike Meyer <mw*@mired.or g> http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.