updated add cmds with isbn support, improved dialog, replaced -c and -C by single --link option

pubs/apis.py

@@ -1,6 +1,7 @@
 """Interface for Remote Bibliographic APIs"""
 
 import requests
+from bs4 import BeautifulSoup
 
 def doi2bibtex(doi):
     """Return a bibtex string of metadata from a DOI"""
@@ -10,3 +11,14 @@ def doi2bibtex(doi):
     r = requests.get(url, headers=headers)
 
     return r.text
+
+def isbn2bibtex(isbn):
+    """Return a bibtex string of metadata from a DOI"""
+
+    url = 'http://www.ottobib.com/isbn/{}/bibtex'.format(isbn)
+    r = requests.get(url)
+    soup = BeautifulSoup(r.text)
+    citation = soup.find("textarea").text
+
+    return citation
+

pubs/commands/add_cmd.py

@@ -15,15 +15,14 @@ def parser(subparsers):
     parser.add_argument('bibfile', nargs='?', default = None,
                         help='bibtex file')
     parser.add_argument('-D', '--doi', help='doi number to retrieve the bibtex entry, if it is not provided', default=None)
+    parser.add_argument('-I', '--isbn', help='isbn number to retrieve the bibtex entry, if it is not provided', default=None)
     parser.add_argument('-d', '--docfile', help='pdf or ps file', default=None)
     parser.add_argument('-t', '--tags', help='tags associated to the paper, separated by commas',
                         default=None)
     parser.add_argument('-k', '--citekey', help='citekey associated with the paper;\nif not provided, one will be generated automatically.',
                         default=None)
-    parser.add_argument('-c', '--copy', action='store_true', default=True,
+    parser.add_argument('-L', '--link', action='store_false', dest='copy', default=True,
-            help="copy document files into library directory (default)")
+            help="don't copy document files, just create a link.")
-    parser.add_argument('-C', '--nocopy', action='store_false', dest='copy',
-            help="don't copy document files (opposite of -c)")
     return parser
 
 
@@ -71,13 +70,21 @@ def command(args):
 
     # get bibtex entry
     if bibfile is None:
-        if args.doi is None:
+        if args.doi is None and args.isbn is None:
             bibdata = bibdata_from_editor(ui, rp)
         else:
+            if args.doi is not None:
                 bibdata_raw = apis.doi2bibtex(args.doi)
                 bibdata = rp.databroker.verify(bibdata_raw)
                 if bibdata is None:
-                ui.error('invalid doi {} or unable to retrieve bibfile.'.format(args.doi))
+                    ui.error('invalid doi {} or unable to retrieve bibfile from it.'.format(args.doi))
+                    if args.isbn is None:
+                        ui.exit(1)
+            if args.isbn is not None:
+                bibdata_raw = apis.isbn2bibtex(args.isbn)
+                bibdata = rp.databroker.verify(bibdata_raw)
+                if bibdata is None:
+                    ui.error('invalid isbn {} or unable to retrieve bibfile from it.'.format(args.isbn))
                     ui.exit(1)
                 # TODO distinguish between cases, offer to open the error page in a webbrowser.
                 # TODO offer to confirm/change citekey

pubs/commands/import_cmd.py

@@ -16,10 +16,8 @@ def parser(subparsers):
             help='import paper(s) to the repository')
     parser.add_argument('bibpath',
             help='path to bibtex, bibtexml or bibyaml file (or directory)')
-    parser.add_argument('-c', '--copy', action='store_true', default=None,
+    parser.add_argument('-L', '--link', action='store_false', dest='copy', default=True,
-            help="copy document files into library directory (default)")
+            help="don't copy document files, just create a link.")
-    parser.add_argument('-C', '--nocopy', action='store_false', dest='copy',
-            help="don't copy document files (opposite of -c)")
     parser.add_argument('keys', nargs='*',
             help="one or several keys to import from the file")
     return parser

pubs/paper.py

@@ -38,6 +38,9 @@ class Paper(object):
         if self.citekey is None:
             self.citekey = bibstruct.extract_citekey(self.bibdata)
             bibstruct.check_citekey(self.citekey)
+        else:
+            def_citekey = bibstruct.extract_citekey(self.bibdata)
+            self.bibdata = {citekey: self.bibdata[def_citekey]}
 
     def __eq__(self, other):
         return (isinstance(self, Paper) and type(other) is type(self)

pubs/utils.py

@@ -1,6 +1,7 @@
 # Function here may belong somewhere else. In the mean time...
 
 from . import color
+from . import pretty
 
 def resolve_citekey(repo, citekey, ui=None, exit_on_fail=True):
     """Check that a citekey exists, or autocompletes it if not ambiguous."""
@@ -18,8 +19,12 @@ def resolve_citekey(repo, citekey, ui=None, exit_on_fail=True):
             citekey = citekeys[0]
     elif citekey not in citekeys:
         if ui is not None:
-            ui.error("be more specific; provided citekey '{}' matches multiples citekeys: {}".format(
+            citekeys = sorted(citekeys)
-                     citekey, ', '.join(color.dye(citekey, color.citekey) for citekey in citekeys)))
+            ui.error("be more specific; provided citekey '{}' matches multiples citekeys:".format(
+                     citekey))
+            for c in citekeys:
+                p = repo.pull_paper(c)
+                ui.print_(u'    {}'.format(pretty.paper_oneliner(p)))
             if exit_on_fail:
                 ui.exit()
     return citekey