Adds completion for the `--ignore-fields` tag.

pubs/commands/export_cmd.py

@@ -6,7 +6,8 @@ from .. import repo
 from ..uis import get_ui
 from .. import endecoder
 from ..utils import resolve_citekey_list
-from ..completion import CiteKeyCompletion
+from ..endecoder import BIBFIELD_ORDER
+from ..completion import CiteKeyCompletion, CommaSeparatedListCompletion
 
 
 class CommaSeparatedList(argparse.Action):
@@ -15,11 +16,17 @@ class CommaSeparatedList(argparse.Action):
         setattr(namespace, self.dest, [s for s in values.split(',') if s])
 
 
+class FieldCommaSeparatedListCompletion(CommaSeparatedListCompletion):
+
+    values = BIBFIELD_ORDER
+
+
 def parser(subparsers, conf):
     parser = subparsers.add_parser('export', help='export bibliography')
     parser.add_argument(
         '--ignore-fields', default=[], action=CommaSeparatedList,
-        help='exclude field(s) from output (comma separated if multiple)')
+        help='exclude field(s) from output (comma separated if multiple)'
+    ).completer = FieldCommaSeparatedListCompletion(conf)
     # parser.add_argument('-f', '--bib-format', default='bibtex',
     #         help='export format')
     parser.add_argument('citekeys', nargs='*', help='one or several citekeys'

pubs/completion.py

@@ -57,3 +57,15 @@ class TagModifierCompletion(BaseCompleter):
         partial_expr = prefix[:start]
         t_prefix = prefix[start:]
         return [partial_expr + t for t in tags if t.startswith(t_prefix)]
+
+
+class CommaSeparatedListCompletion(BaseCompleter):
+
+    values = []
+
+    def _complete(self, prefix, **kwargs):
+        split = prefix.split(',')
+        item_prefix = split[-1]
+        partial = split[:-1]
+        return [','.join(partial + [x]) for x in self.values
+                if x.startswith(item_prefix)]

pubs/endecoder.py

@@ -27,6 +27,11 @@ else:
     BP_ENTRYTYPE_KEY = 'type'
 
 
+BIBFIELD_ORDER = ['author', 'title', 'journal', 'institution', 'publisher',
+                  'year', 'month', 'number', 'volume', 'pages', 'link', 'doi',
+                  'note', 'abstract']
+
+
 def sanitize_citekey(record):
     record[BP_ID_KEY] = record[BP_ID_KEY].strip('\n')
     return record
@@ -54,11 +59,6 @@ def customizations(record):
     return record
 
 
-bibfield_order = ['author', 'title', 'journal', 'institution', 'publisher',
-                  'year', 'month', 'number', 'volume', 'pages', 'link', 'doi',
-                  'note', 'abstract']
-
-
 class EnDecoder(object):
     """ Encode and decode content.
 
@@ -71,7 +71,7 @@ class EnDecoder(object):
     """
 
     bwriter = bp.bwriter.BibTexWriter()
-    bwriter.display_order = bibfield_order
+    bwriter.display_order = BIBFIELD_ORDER
 
     def encode_metadata(self, metadata):
         return yaml.safe_dump(metadata, allow_unicode=True,