fix the last commit about missing gene names

(commit 7143e9d0 on #139)

ippisite/ippidb/models.py

@@ -251,7 +251,10 @@ class Protein(AutoFillableModel):
 
         gene_names = info["gene_names"]
         # put whatever name it find
-        self.gene_name = gene_names[0]["name"]
+        try:
+            self.gene_name = gene_names[0]["name"]
+        except IndexError:
+            pass
         # then try to find the primary, if present
         for gene_name in gene_names:
             if gene_name["type"] == "primary":
@@ -283,7 +286,7 @@ class Protein(AutoFillableModel):
         return len(self.entry_name) > 0
 
     def __str__(self):
-        return "{} ({})".format(self.uniprot_id, self.recommended_name_long)
+        return "{} ({})".format(self.uniprot_id, self.recommended_name_long or self.short_name)
 
 
 class Domain(AutoFillableModel):

ippisite/ippidb/tests.py

@@ -17,7 +17,7 @@ from .models import (
     create_tanimoto,
     update_compound_cached_properties,
 )
-from .models import DrugBankCompound
+from .models import DrugBankCompound, Protein
 from .utils import FingerPrinter, mol2smi, smi2mol, smi2inchi, smi2inchikey
 
 
@@ -433,7 +433,7 @@ class TestGetDoiInfo(TestCase):
 
 
 class TestGetPfamInfo(TestCase):
-    def test_create_protein(self):
+    def test_get_pfam_info(self):
         target = {"id": "bZIP_1", "description": "bZIP transcription factor"}
         resp = ws.get_pfam_info("PF00170")
         self.assertEqual(resp, target)
@@ -461,8 +461,22 @@ class TestGetGooglePatentInfo(TestCase):
         )
 
 
+class TestProtein(TestCase):
+    def test_create_protein_no_gene_name(self):
+        # this test ensures that we can save a protein with no gene name
+        # in the DB
+        p = Protein()
+        p.uniprot_id= 'P00784'
+        try:
+            p.save()
+        except Exception as exc:
+            self.fail("exception {exc} raised while saving protein P00784")
+
+
+
+
 class TestGetPubMEDIdInfo(TestCase):
-    def test_create_protein(self):
+    def test_get_pubmed_info(self):
         target = {
             "title": "Gene List significance at-a-glance with" " GeneValorization.",
             "journal_name": "Bioinformatics (Oxford, England)",