refactor: add utility function to exclude bibtex fields

pubs/commands/add_cmd.py

@@ -117,10 +117,7 @@ def command(conf, args):
             ui.error('invalid bibfile {}.'.format(bibfile))
 
     # exclude bibtex fields if specified
-    for item in bibentry.values():
+    utils.remove_bibtex_fields(bibentry, conf['main']['bibtex_field_excludes'])
-        for field in conf['main']['bibtex_field_excludes']:
-            if field in item:
-                del item[field]
 
     # citekey
 

pubs/commands/edit_cmd.py

@@ -6,7 +6,7 @@ from .. import color
 
 from ..uis import get_ui
 from ..endecoder import EnDecoder
-from ..utils import resolve_citekey
+from ..utils import resolve_citekey, remove_bibtex_fields
 from ..completion import CiteKeyCompletion
 from ..events import ModifyEvent
 
@@ -60,10 +60,7 @@ def command(conf, args):
                          "edited.".format(color.dye_out(citekey, 'citekey'))))
             else:
                 # exclude bibtex fields if specified
-                for item in content.values():
+                remove_bibtex_fields(content, conf['main']['bibtex_field_excludes'])
-                    for field in conf['main']['bibtex_field_excludes']:
-                        if field in item:
-                            del item[field]
 
                 new_paper = Paper.from_bibentry(content,
                                                 metadata=paper.metadata)

pubs/commands/export_cmd.py

@@ -5,7 +5,7 @@ import argparse
 from .. import repo
 from ..uis import get_ui
 from .. import endecoder
-from ..utils import resolve_citekey_list
+from ..utils import resolve_citekey_list, remove_bibtex_fields
 from ..endecoder import BIBFIELD_ORDER
 from ..completion import CiteKeyCompletion, CommaSeparatedListCompletion
 
@@ -54,9 +54,7 @@ def command(conf, args):
         bib[p.citekey] = p.bibdata
 
     # exclude bibtex fields if specified
-        for field in conf['main']['bibtex_field_excludes']:
+    remove_bibtex_fields(bib, conf['main']['bibtex_field_excludes'])
-            if field in bib[p.citekey]:
-                del bib[p.citekey][field]
 
     exporter = endecoder.EnDecoder()
     bibdata_raw = exporter.encode_bibdata(bib, args.ignore_fields)

pubs/commands/import_cmd.py

@@ -11,6 +11,7 @@ from .. import content
 from ..paper import Paper
 from ..uis import get_ui
 from ..content import system_path, read_text_file
+from ..utils import remove_bibtex_fields
 from ..command_utils import add_doc_copy_arguments
 
 
@@ -40,7 +41,7 @@ def parser(subparsers, conf):
     return parser
 
 
-def many_from_path(ui, bibpath, bibfield_excludes=[], ignore=False):
+def many_from_path(ui, bibpath, excluded_bibtex_fields=[], ignore=False):
     """Extract list of papers found in bibliographic files in path.
 
     The behavior is to:
@@ -64,10 +65,7 @@ def many_from_path(ui, bibpath, bibfield_excludes=[], ignore=False):
         try:
             bibentry = coder.decode_bibdata(read_text_file(filepath))
             # exclude bibtex fields if specified
-            for item in bibentry.values():
+            remove_bibtex_fields(bibentry, excluded_bibtex_fields)
-                for field in bibfield_excludes:
-                    if field in item:
-                        del item[field]
             biblist.append(bibentry)
         except coder.BibDecodingError:
             error = "Could not parse bibtex at {}.".format(filepath)
@@ -107,7 +105,7 @@ def command(conf, args):
     rp = repo.Repository(conf)
     # Extract papers from bib
     papers = many_from_path(ui, bibpath,
-        bibfield_excludes=conf['main']['bibtex_field_excludes'],
+        excluded_bibtex_fields=conf['main']['bibtex_field_excludes'],
         ignore=args.ignore_malformed)
     keys = args.keys or papers.keys()
     for k in keys:

pubs/utils.py

@@ -87,3 +87,9 @@ def standardize_doi(doi):
     new_doi = match.group(0)
 
     return new_doi
+
+def remove_bibtex_fields(bibentry, excluded_bibtex_fields=[]):
+    for item in bibentry.values():
+        for field in excluded_bibtex_fields:
+            if field in item:
+                del item[field]