python-markdown-discuss

[Python-markdown-discuss] Cannot serialize error in custom block processor

[Trent \TiZ\ M. <twi...@gm...>]

Hi. I'm trying to create an extension for Markdown to support the custom 
HTML tags used in Dedalus, an interactive fiction system. I have the 
inline stuff working perfectly fine, but I want to create a custom block 
type for the <page>, <paragraph>, and <object> blocks it uses. I figured 
an intuitive way to handle that would be to indent the contents.

The code I have written so far to try and accomplish this is here: 
http://pastebin.com/4pVhzeqW Right now, it dumps the following stack trace:

Traceback (most recent call last):
   File "./markded.py", line 81, in <module>
     """)
   File "/usr/lib/python2.7/site-packages/markdown/__init__.py", line 
300, in convert
     output = self.serializer(root)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 
276, in to_xhtml_string
     return _write_html(ElementTree(element).getroot(), format="xhtml")
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 
198, in _write_html
     qnames, namespaces = _namespaces(root, default_namespace)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 
264, in _namespaces
     add_qname(key)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 
244, in add_qname
     _raise_serialization_error(qname)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 
78, in _raise_serialization_error
     "cannot serialize %r (type %s)" % (text, type(text).__name__)
TypeError: cannot serialize <built-in function id> (type 
builtin_function_or_method)

What am I doing wrong that is causing this error to occur? I'm not a 
good Python programmer by any stretch of the imagination, and I imagine 
my code is probably pretty horrible. I'm sure I am going about this 
completely wrong, and I'm sure that's related to why I'm getting this error.

Thank you for your time.

Re: [Python-markdown-discuss] Cannot serialize error in custom block processor

[Waylan L. <way...@ic...>]

Trent,

Sorry for the delayed response. The error message indicates that the
serializer is coming across a non-ElementTree object in the tree (it
obviously doesn't know how to serialize it). I did a quick look through your
code and didn't see where is was coming from but perhaps that will steer you
the right direction.

Perhaps when I have some more time I'll take a closer look.

Waylan

-----Original Message-----
From: Trent "TiZ" McPheron [mailto:twi...@gm...] 
Sent: Thursday, April 24, 2014 3:58 PM
To: pyt...@li...
Subject: [Python-markdown-discuss] Cannot serialize error in custom block
processor

Hi. I'm trying to create an extension for Markdown to support the custom
HTML tags used in Dedalus, an interactive fiction system. I have the inline
stuff working perfectly fine, but I want to create a custom block type for
the <page>, <paragraph>, and <object> blocks it uses. I figured an intuitive
way to handle that would be to indent the contents.

The code I have written so far to try and accomplish this is here: 
http://pastebin.com/4pVhzeqW Right now, it dumps the following stack trace:

Traceback (most recent call last):
   File "./markded.py", line 81, in <module>
     """)
   File "/usr/lib/python2.7/site-packages/markdown/__init__.py", line 300,
in convert
     output = self.serializer(root)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line
276, in to_xhtml_string
     return _write_html(ElementTree(element).getroot(), format="xhtml")
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line
198, in _write_html
     qnames, namespaces = _namespaces(root, default_namespace)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line
264, in _namespaces
     add_qname(key)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line
244, in add_qname
     _raise_serialization_error(qname)
   File "/usr/lib/python2.7/site-packages/markdown/serializers.py", line 78,
in _raise_serialization_error
     "cannot serialize %r (type %s)" % (text, type(text).__name__)
TypeError: cannot serialize <built-in function id> (type
builtin_function_or_method)

What am I doing wrong that is causing this error to occur? I'm not a good
Python programmer by any stretch of the imagination, and I imagine my code
is probably pretty horrible. I'm sure I am going about this completely
wrong, and I'm sure that's related to why I'm getting this error.

Thank you for your time.

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