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| author | John MacFarlane <fiddlosopher@gmail.com> | 2013-08-18 15:36:54 -0700 |
|---|---|---|
| committer | John MacFarlane <fiddlosopher@gmail.com> | 2013-08-18 15:37:27 -0700 |
| commit | 70386a6a54c54189b8456b547a657873481a70b7 (patch) | |
| tree | ff5d2ce432e0145f65c0728e66caf6cd193d48ac /scripts/pandoc.py | |
| parent | 8d441af3da4709fd48a44e860d5a0cd4d35792af (diff) | |
| download | pandoc-70386a6a54c54189b8456b547a657873481a70b7.tar.gz | |
Removed scripts directory.
This has been put in its own github repo:
https://github.com/jgm/pandoc-filters-python
Diffstat (limited to 'scripts/pandoc.py')
| -rwxr-xr-x | scripts/pandoc.py | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/scripts/pandoc.py b/scripts/pandoc.py deleted file mode 100755 index f21e9cc83..000000000 --- a/scripts/pandoc.py +++ /dev/null @@ -1,75 +0,0 @@ -# Author: John MacFarlane <jgm@berkeley.edu> -# Copyright: (C) 2013 John MacFarlane -# License: GPL version 2 or higher - -""" -Functions to aid writing python scripts that process the pandoc -AST serialized as JSON. -""" - -import sys -import json - -def walk(x, action, format = ""): - """Walk a tree, applying an action to every object. - Returns a modified tree. - """ - if isinstance(x, list): - array = [] - for item in x: - if isinstance(item, dict): - if item == {}: - array.append(walk(item, action, format)) - else: - for k in item: - res = action(k, item[k], format) - if res is None: - array.append(walk(item, action, format)) - elif isinstance(res, list): - for z in res: - array.append(walk(z, action, format)) - else: - array.append(walk(res, action, format)) - else: - array.append(walk(item, action, format)) - return array - elif isinstance(x, dict): - obj = {} - for k in x: - obj[k] = walk(x[k], action, format) - return obj - else: - return x - -def toJSONFilter(action): - """Converts an action into a filter that reads a JSON-formatted - pandoc document from stdin, transforms it by walking the tree - with the action, and returns a new JSON-formatted pandoc document - to stdout. The argument is a function action(key, value, format), - where key is the type of the pandoc object (e.g. 'Str', 'Para'), - value is the contents of the object (e.g. a string for 'Str', - a list of inline elements for 'Para'), and format is the target - output format (which will be taken for the first command line - argument if present). If the function returns None, the object - to which it applies will remain unchanged. If it returns an - object, the object will be replaced. If it returns a list, the - list will be spliced in to the list to which the target object - belongs. (So, returning an empty list deletes the object.) - """ - doc = json.loads(sys.stdin.read()) - if len(sys.argv) > 1: - format = sys.argv[1] - else: - format = "" - altered = walk(doc, action, format) - json.dump(altered, sys.stdout) - -def attributes(attrs): - """Returns an attribute list, constructed from the - dictionary attrs. - """ - attrs = attrs or [] - ident = attrs["id"] or "" - classes = attrs["classes"] or [] - keyvals = [x for x in attrs and x != "classes" and x != "id"] - return [ident, classes, keyvals] |