HELP Printing with wxPython

[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.writelines("T","Entering OuterFrame.DO_printpreview")
        self.SetStatusText('Generating Print Preview', 0)
        #
        # Define the columns on the printout
        #
        columndefs=(("Cust#",            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.previewframe=PreviewFrame(None, sys.stdout)
        if self._trace:
            log.writelines("T","DO_ppv-Creating PrintTable instance")
        prt=PrintTable(self.previewframe)
        #
        # Set printout column widths
        #
        if self._trace: self.logf.writelines("T","DO_ppv-Setting column widths")
        prt.set_column=[a[1] for a in columndefs]
        #
        # Set the column labels (headings)
        #
        if self._trace:
            self.logf.writelines("T","DO-ppv-Setting column headings")
        prt.label=[a[0] for a in columndefs]
        #
        # Set the column alignments
        #
        if self._trace:
            self.logf.writelines("T", "DO-ppv-Setting column alignments")
        map(prt.SetColAlignment, range(columncount), [a[2] for a in columndefs])
        #
        # Get the data values from the grid that are selected
        #
        data=self._getdata('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=columncount*['']    # Create a blank output line
        lastcustomer=None
        pdata=[]
        for values in data:
            if lastcustomer != None and values[0] != lastcustomer:
                pdata.append(blankline)

            lastcustomer=values[0]
            pdata.append(values)

        pdata.append(blankline)
        prt.data=pdata
        prt.left_margin=0.3
        prt.SetLandscape()
        prt.SetHeader("OMMC Recap Listing-Hardware Items")
        prt.SetFooter()
        prt.SetFooter("Date: ", type = "Date & Time", \
                       align=wxALIGN_LEFT, \indent=prt.left_margin)
        #
        # Override the default font sizes
        #
        prt.text_font_size = 8
        #prt.label_font_size= 7
        prt.cell_left_margin = 1.0/32.0
        prt.Preview()
        if self._trace:
            self.logf.writelines("T","Entering OuterFrame.DO_printpreview")
        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("some
> text\n")?
> 
> Thanks in advance if anyone can give any help.
> 
> Mario
> 
>