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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %deffont "standard" xfont "helvetica-medium-r" %deffont "thick" xfont "helvetica-bold-r" %deffont "typewriter" xfont "courier-medium-r" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% Default settings per each line numbers. %% %default 1 area 90 90, leftfill, size 2, fore "gray20", back "white", font "standard", hgap 0 %default 2 size 7, vgap 10, prefix " ", ccolor "blue" %default 3 size 2, bar "gray70", vgap 10 %default 4 size 5, fore "gray20", vgap 30, prefix " ", font "standard" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% Default settings that are applied to TAB-indented lines. %% %tab 1 size 5, vgap 40, prefix " ", icon box "red" 50 %tab 2 size 4, vgap 40, prefix " ", icon arc "yellow" 50 %tab 3 size 3, vgap 40, prefix " ", icon delta3 "white" 40 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %page lxml - a sane Python wrapper for libxml %center Martijn Faassen, Infrae faassen@infrae.com %page The C library libxml has huge benefits Standards-compliant XML support full-featured actively maintained by XML exports fast. fast! FAST! %page Features of libxml Parsing Tree based (DOM-ish) XML structure XPath support XSLT support (libxslt) Relax NG (schema) support And more %page But libxml already has Python bindings! very low level and C-ish (not Pythonic) underdocumented. huge, you get lost in them works with UTF-8, not native Python unicode can cause segfaults from Python have to do manual memory management! %page lxml is a new Python binding for libxml Aims (read: TODOS) Pythonic API Documented Use Python unicode strings in API Safe (no segfaults) No manual memory management! %page Tradeoffs Slower because of better wrapping. But libxml is so fast this likely doesn't matter much. Not all features of libxml exposed (unless you help) %page What is there now - Proof of concept Automatic destruction of documents (refcounted) Start of ElementTree style API for tree %page Future Fix bugs, add features Moving into svn repository on codespeak.net Help!