[Moin-devel] CVS: MoinMoin/macro EventStats.py,NONE,1.1

[J?rgen Hermann]

Update of /cvsroot/moin/MoinMoin/macro
In directory usw-pr-cvs1:/tmp/cvs-serv11576/macro

Added Files:
	EventStats.py 
Log Message:
EventStats macro and chart action


--- NEW FILE: EventStats.py ---
"""
    MoinMoin - EventStats Macro

    Copyright (c) 2002 by Jürgen Hermann <jh at web.de>
    All rights reserved, see COPYING for details.

    This macro creates charts from the data in "event.log".

    $Id: EventStats.py,v 1.1 2002/02/01 22:53:41 jhermann Exp $
"""

# Imports
import string
from MoinMoin import config, webapi
from MoinMoin.Page import Page
from MoinMoin.i18n import _

width = 480
height = 300


def execute(macro, args, **kw):
    page = Page(macro.formatter.page.page_name)
    result = []
    result.append('<img src="%s" width="%d" height="%d" border="1">' % (
        page.url("action=chart&macro=EventStats"), width, height))

    return string.join(result, '')


def chart(pagename, form):
    import sys, shutil, cStringIO
    from MoinMoin.stats import chart

    image = cStringIO.StringIO()

    c = chart.Chart()
    c.addData(chart.ChartData(range(20), color='green'))
    c.option(
        title = 'Page hits',
        xtitle = 'date',
        ytitle = '# of hits'
    )
    c.draw(c.GDC_LINE, (width, height), image)

    # send HTTP headers
    headers = [
        "Content-Type: image/gif",
        "Content-Length: %d" % len(image.getvalue()),
    ]
    webapi.http_headers(headers)

    # copy the image
    image.reset()
    shutil.copyfileobj(image, sys.stdout, 8192)
    sys.exit(0)