Export bibtex function

backend.py

@@ -19,7 +19,7 @@ from bibtexparser.bparser import BibTexParser
 from codecs import open
 
 
-def getNewName(src, bibtex, tag=''):
+def getNewName(src, bibtex, tag='', override_format=None):
     """
     Return the formatted name according to params for the given
     bibtex entry
@@ -27,13 +27,19 @@ def getNewName(src, bibtex, tag=''):
     authors = re.split(' and ', bibtex['author'])
 
     if bibtex['type'] == 'article':
-        new_name = params.format_articles
+        if override_format is None:
+            new_name = params.format_articles
+        else:
+            new_name = override_format
         try:
             new_name = new_name.replace("%j", bibtex['journal'])
         except:
             pass
     elif bibtex['type'] == 'book':
-        new_name = params.format_books
+        if override_format is None:
+            new_name = params.format_books
+        else:
+            new_name = override_format
 
     new_name = new_name.replace("%t", bibtex['title'])
     try:
@@ -222,11 +228,12 @@ def diffFilesIndex():
     return index.get_entry_dict()
 
 
-def getBibtex(entry, file_id='both'):
+def getBibtex(entry, file_id='both', clean=False):
     """Returns the bibtex entry corresponding to entry, as a dict
 
     entry is either a filename or a bibtex ident
     file_id is file or id or both to search for a file / id / both
+    clean is to clean the ignored fields specified in params
     """
     try:
         with open(params.folder+'index.bib', 'r', encoding='utf-8') as fh:
@@ -248,6 +255,12 @@ def getBibtex(entry, file_id='both'):
                 if os.path.samefile(bibtex[key]['file'], entry):
                     bibtex_entry = bibtex[key]
                     break
+    if clean:
+        for field in params.ignore_fields:
+            try:
+                del(bibtex_entry[field])
+            except KeyError:
+                pass
     return bibtex_entry
 
 

bmc.py

@@ -473,6 +473,11 @@ if __name__ == '__main__':
                              help="an identifier")
     parser_open.set_defaults(func='open')
 
+    parser_export = subparsers.add_parser('export', help="export help")
+    parser_export.add_argument('ids', metavar='id',  nargs='+',
+                             help="an identifier")
+    parser_export.set_defaults(func='export')
+
     parser_resync = subparsers.add_parser('resync', help="resync help")
     parser_resync.set_defaults(func='resync')
 
@@ -556,6 +561,14 @@ if __name__ == '__main__':
                     sys.exit("Unable to open file associated " +
                              "to ident "+filename)
             sys.exit()
+        
+        elif args.func == 'export':
+            bibtex = ''
+            for id in args.ids:
+                bibtex += tools.parsed2Bibtex(backend.getBibtex(id,
+                                                                clean=True))
+            print(bibtex.strip())
+            sys.exit
 
         elif args.func == 'resync':
             confirm = tools.rawInput("Resync files and bibtex index? [y/N] ")

params.py.example

@@ -1,4 +1,5 @@
 # -*- coding: utf8 -*-
+
 # The folder in which the papers should be stored
 # /!\ Keep the trailing slash /!\
 folder = "/home/phyks/Papers/"
@@ -24,3 +25,6 @@ format_books = "%a-%t"
 # List of lambda functions to apply
 # E.g. : format_custom = [lambda x: x.replace('test', 'some_expr')]
 format_custom = []
+
+# Fields to ignore when exporting Bibtex entries
+ignore_fields = ['file', 'doi', 'tag']