initial commit

2011-11-22 23:30:42 -06:00
commit d421c1321b
580 changed files with 115527 additions and 0 deletions
@@ -0,0 +1,65 @@
+# fix response
+
+import re
+import os
+import cPickle
+import gluon.serializers
+from gluon import current
+from gluon.html import markmin_serializer, TAG, HTML, BODY, UL, XML
+from gluon.contenttype import contenttype
+from gluon.contrib.pyfpdf import FPDF, HTMLMixin
+from gluon.sanitizer import sanitize
+from gluon.contrib.markmin.markmin2latex import markmin2latex
+from gluon.contrib.markmin.markmin2pdf import markmin2pdf
+
+def wrapper(f):
+    def g(data):
+        try:
+            output = f(data)
+        except (TypeError, ValueError):
+            raise HTTP(405, '%s serialization error' % extension.upper())
+        except ImportError:
+            raise HTTP(405, '%s not available' % extension.upper())
+        except:
+            raise HTTP(405, '%s error' % extension.upper())
+        return XML(ouput)
+    return g
+
+def latex_from_html(html):
+    markmin=TAG(html).element('body').flatten(markmin_serializer)
+    return XML(markmin2latex(markmin))
+
+def pdflatex_from_html(html):
+    if os.system('which pdflatex > /dev/null')==0:
+        markmin=TAG(html).element('body').flatten(markmin_serializer)
+        out,warning,errors=markmin2pdf(markmin)
+        if errors:
+            current.response.headers['Content-Type']='text/html'
+            raise HTTP(405,HTML(BODY(H1('errors'),
+                                     LU(*errors),
+                                     H1('warnings'),
+                                     LU(*warnings))).xml())
+        else:
+            return XML(out)
+
+def pyfpdf_from_html(html):
+    request = current.request
+    def image_map(path):
+        if path.startswith('/%s/static/' % request.application):
+            return os.path.join(request.folder,path.split('/',2)[2])
+        return 'http%s://%s%s' % (request.is_https and 's' or '',request.env.http_host, path)
+    class MyFPDF(FPDF, HTMLMixin): pass
+    pdf=MyFPDF()
+    pdf.add_page()
+    html = sanitize(html, escape=False)  #### should have better list of allowed tags
+    pdf.write_html(html,image_map=image_map)
+    return XML(pdf.output(dest='S'))
+
+def pdf_from_html(html):
+    # try use latex and pdflatex
+    if os.system('which pdflatex > /dev/null')==0:
+        return pdflatex_from_html(html)
+    else:
+        return pyfpdf_from_html(html)
+
+