I should check the code in the book, but I used a controller example that should be available in the book's support files at http://www.packtpub.com/support and it worked for my environment:
Python 2.6.5 Mandriva GNU/Linux 2010 web2py (last mercurial version) A complete working installer can be downloaded from the same url (in the apps folder) On Mar 15, 2:54 pm, Bruce Wade <[email protected]> wrote: > Fresh blank version of web2py, in default controller: > > def report(): > import os > response.title = "web2py sample report" > > # include a chart from google chart > url = > "http://chart.apis.google.com/chart?cht=p3&chd=t:60,40&chs=500x200&ch1...World&.png > " > chart = IMG(_src=url, _width="250", _height="100") > > # create a small table with some data: > rows = [THEAD(TR(TH("Key", _width="70%"), > TH("Value", _width="30%"))), > TBODY(TR(TD("Hello"), TD("60")), > TR(TD("World"), TD("40")))] > > table = TABLE(*rows, _border="0", _align="center", _width="50%") > > if request.extension == "pdf": > from gluon.contrib.pyfpdf import FPDF, HTMLMixin > > # create a custom class with the required functionalities > class MyFPDF(FPDF, HTMLMixin): > def header(self): > "hook to draw custom page header (logo and title)" > > # remember to copy logo_pb.png to static/images (and remove > alpha channel) > #logo = os.path.join(request.folder, "static", "images", > "logo_pb.png") > #self.image(logo, 10, 8, 33) > self.set_font("Arial", "B", 15) > self.cell(65) # padding > self.cell(60, 10, response.title, 1, 0, 'C') > self.ln(20) > > def footer(self): > "hook to draw custom page footer (printing page numbers)" > self.set_y(-15) > self.set_font('Arial', 'I', 8) > txt = 'Page %s of %s' % (self.page_no(), > self.alias_nb_pages()) > self.cell(0, 10, txt, 0, 0, 'C') > pdf = MyFPDF() > > # create a page and serialize/render HTML objects > pdf.add_page() > pdf.write_html(table.xml()) > #pdf.write_html(CENTER(chart).xml()) > > # prepare PDF to download: > response.headers['Content-Type'] = 'application/pdf' > return pdf.output(dest='S') > > # else normal html view > return dict(chart=chart, table=table) > > I thought it was the logo so I commented it out, but still the exact same > error. > > Looks like it is failing here: > def _parsepng(self, name): > #Extract info from a PNG file > if name.startswith("http://";) or name.startswith("https://";): > import urllib > f = urllib.urlopen(name) > > Which I am not sure why considering there is no PNG in my code so I guess > it is doing something behind the scene. I even commented out the chart line > so there should be no image issues. > > > > > > > > > > On Thu, Mar 15, 2012 at 10:49 AM, Bruce Wade <[email protected]> wrote: > > Install what app? I am following the instructions to create a PDF. > > > On Thu, Mar 15, 2012 at 10:47 AM, Alan Etkin <[email protected]> wrote: > > >> How are you running the code? Did you install the app from the apps > >> folder? > > >> On Mar 15, 2:29 pm, Bruce Wade <[email protected]> wrote: > >> > Chapter 10: Creating PDF reports > > >> > Error: > > >> > Traceback (most recent call last): > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/restricted.py", > >> > line 204, in restricted > >> > exec ccode in environment > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/applications/welcome/views/generic.pdf", > >> > line 9, in <module> > >> > pass > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/generics.py", > >> > line 63, in pdf_from_html > >> > return pyfpdf_from_html(html) > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/generics.py", > >> > line 55, in pyfpdf_from_html > >> > pdf.write_html(html,image_map=image_map) > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/pyfpdf/html.py", > >> > line 388, in write_html > >> > h2p.feed(text) > >> > File "/usr/lib/python2.7/HTMLParser.py", line 109, in feed > >> > self.goahead(0) > >> > File "/usr/lib/python2.7/HTMLParser.py", line 151, in goahead > >> > k = self.parse_starttag(i) > >> > File "/usr/lib/python2.7/HTMLParser.py", line 272, in parse_starttag > >> > self.handle_startendtag(tag, attrs) > >> > File "/usr/lib/python2.7/HTMLParser.py", line 334, in > >> handle_startendtag > >> > self.handle_starttag(tag, attrs) > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/pyfpdf/html.py", > >> > line 262, in handle_starttag > >> > x, y, w, h, link=self.href) > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/pyfpdf/fpdf.py", > >> > line 807, in image > >> > info=self._parsepng(name) > >> > File > >> "/home/bruce/Development/bossteam_dev/projects/yaw_dev/gluon/contrib/pyfpdf/fpdf.py", > >> > line 1296, in _parsepng > >> > f = urllib.urlopen(name) > >> > File "/usr/lib/python2.7/urllib.py", line 84, in urlopen > >> > return opener.open(url) > >> > File "/usr/lib/python2.7/urllib.py", line 205, in open > >> > return getattr(self, name)(url) > >> > File "/usr/lib/python2.7/urllib.py", line 331, in open_http > >> > h = httplib.HTTP(host) > >> > File "/usr/lib/python2.7/httplib.py", line 1061, in __init__ > >> > self._setup(self._connection_class(host, port, strict)) > >> > File "/usr/lib/python2.7/httplib.py", line 693, in __init__ > >> > self._set_hostport(host, port) > >> > File "/usr/lib/python2.7/httplib.py", line 718, in _set_hostport > >> > raise InvalidURL("nonnumeric port: '%s'" % host[i+1:]) > >> > InvalidURL: nonnumeric port: '' > > >> > I also found this argument list to look very strange, look at the host > >> > string, plus port is NoneFunction argument list > > >> > (self=<httplib.HTTPConnection instance>, host='127.0.0.1:8000http:', > >> > port=None) > > >> > -- > >> > -- > >> > Regards, > >> > Bruce Wadehttp:// > >> ca.linkedin.com/in/brucelwadehttp://www.wadecybertech.comhttp://www.warplydesigned.comhttp://www.f... > > > -- > > -- > > Regards, > > Bruce Wade > >http://ca.linkedin.com/in/brucelwade > >http://www.wadecybertech.com > >http://www.warplydesigned.com > >http://www.fitnessfriendsfinder.com > > -- > -- > Regards, > Bruce > Wadehttp://ca.linkedin.com/in/brucelwadehttp://www.wadecybertech.comhttp://www.warplydesigned.comhttp://www.fitnessfriendsfinder.com
