Basic tag handling.

papers/commands/edit_cmd.py

@@ -1,6 +1,6 @@
 from ..files import editor_input
 from .. import repo
-from ..paper import get_bibentry_from_string
+from ..paper import get_bibentry_from_string, get_safe_metadata_from_content
 
 
 def parser(subparsers, config):
@@ -8,26 +8,34 @@ def parser(subparsers, config):
             help='open the paper bibliographic file in an editor')
     parser.add_argument('reference',
             help='reference to the paper (citekey or number)')
+    parser.add_argument('-m', '--meta', action='store_true', default=False,
+            help='edit metadata')
     return parser
 
 
-def command(config, ui, reference):
+def command(config, ui, reference, meta):
     rp = repo.Repository.from_directory()
     key = rp.citekey_from_ref(reference, fatal=True)
     paper = rp.paper_from_citekey(key)
-    filepath = rp.path_to_paper_file(key, 'bib')
+    to_edit = 'bib'
+    if meta:
+        to_edit = 'meta'
+    filepath = rp.path_to_paper_file(key, to_edit)
     editor = config.get('papers', 'edit-cmd')
     with open(filepath) as f:
         content = f.read()
     while True:
         # Get new content from user
         content = editor_input(editor, content)
+        new_key = key
+        bib = None
+        metadata = None
         # Parse new content
+        if meta:
+            metadata = get_safe_metadata_from_content(content)
+        else:
             new_key, bib = get_bibentry_from_string(content)
-        paper.update(key=key, bib=bib)
-        # TODO merge into an update method
-        paper.citekey = new_key
-        paper.bibentry = bib
+        paper.update(key=key, bib=bib, meta=metadata)
         try:
             rp.update(paper, old_citekey=key)
             break

papers/commands/import_cmd.py

@@ -17,8 +17,7 @@ def parser(subparsers, config):
 
 def command(config, ui, bibpath, copy):
     """
-    :param pdffilepath  path (no url yet) to a pdf or ps file
-    :param bibtex       bibtex file (in .bib, .bibml or .yaml format.
+    :param bibpath: path (no url yet) to a bibliography file
     """
     if copy is None:
         copy = config.get('papers', 'import-copy')

papers/paper.py

@@ -3,6 +3,7 @@ import os
 import unicodedata
 import re
 from cStringIO import StringIO
+import yaml
 
 from pybtex.database import Entry, BibliographyData, FieldDict, Person
 
@@ -19,7 +20,8 @@ CITEKEY_EXCLUDE_RE = re.compile('[%s]'
 
 BASE_META = {
     'external-document': None,
-    'notes': []
+    'labels': [],
+    'notes': [],
     }
 
 
@@ -63,11 +65,21 @@ def copy_bibentry(entry):
     return Entry(entry.type, fields=fd, persons=persons)
 
 
-def get_safe_metadata(metapath):
-    if metapath is None:
-        return None
-    else:
-        return files.read_yamlfile(metapath)
+def get_safe_metadata(meta):
+    base_meta = Paper.create_meta()
+    if meta is not None:
+        base_meta.update(meta)
+    return base_meta
+
+
+def get_safe_metadata_from_content(content):
+    return get_safe_metadata(yaml.load(content))
+
+
+def get_safe_metadata_from_path(metapath):
+    if metapath is not None:
+        content = files.read_yamlfile(metapath)
+    return get_safe_metadata(content)
 
 
 def check_citekey(citekey):
@@ -89,10 +101,10 @@ class Paper(object):
     """
 
     def __init__(self, bibentry=None, metadata=None, citekey=None):
-        if not bibentry:
+        if bibentry is None:
             bibentry = Entry(DEFAULT_TYPE)
         self.bibentry = bibentry
-        if not metadata:
+        if metadata is None:
             metadata = Paper.create_meta()
         self.metadata = metadata
         check_citekey(citekey)
@@ -203,7 +215,7 @@ class Paper(object):
     @classmethod
     def load(cls, bibpath, metapath=None):
         key, entry = get_bibentry_from_file(bibpath)
-        metadata = get_safe_metadata(metapath)
+        metadata = get_safe_metadata_from_path(metapath)
         p = Paper(bibentry=entry, metadata=metadata, citekey=key)
         return p
 
@@ -262,7 +274,7 @@ class PaperInRepo(Paper):
     @classmethod
     def load(cls, repo, bibpath, metapath=None):
         key, entry = get_bibentry_from_file(bibpath)
-        metadata = get_safe_metadata(metapath)
+        metadata = get_safe_metadata_from_path(metapath)
         p = PaperInRepo(repo, bibentry=entry, metadata=metadata,
                                  citekey=key)
         return p

papers/pretty.py

@@ -36,7 +36,7 @@ def bib_oneliner(bibentry):
         field = 'booktitle'
     journal = bibtex_purify(bibentry.fields.get(field, ''))
     return u'{authors} \"{title}\" {journal} ({year})'.format(
-            authors=colored(authors, 'green'),
+            authors=colored(authors, 'cyan'),
             title=title,
             journal=colored(journal, 'yellow'),
             year=year,

tests/test_paper.py

@@ -24,6 +24,7 @@ entries:
 META = """
 external-document: null
 notes: []
+labels: []
 """