Handling of missing required dependency during dependency check

cps/__init__.py

@@ -129,7 +129,7 @@ def create_app():
         web_server.stop(True)
         sys.exit(7)
     for res in dependency_check() + dependency_check(True):
-        log.info('*** "{}" version does not fit the requirements. Should: {}, Found: {}, please consider updating. ***'
+        log.info('*** "{}" version does not fit the requirements. Should: {}, Found: {}, please consider installing required version ***'
             .format(res['name'],
                  res['target'],
                  res['found']))

cps/about.py

@@ -117,7 +117,6 @@ else:
         Jinja2=jinja2.__version__,
         pySqlite = sqlite3.version,
         SQLite = sqlite3.sqlite_version,
-        Unidecode=unidecode_version,
     )
     _VERSIONS.update(ret)
     _VERSIONS.update(uploader.get_versions(False))

cps/dep_check.py

@@ -38,11 +38,7 @@ def load_dependencys(optional=False):
                         except ImportNotFound:
                             if optional:
                                 continue
-                            '''else:
+                            dep_version = "not installed"
-                                return [{'name':res.group(1),
-                                        'target': "available",
-                                        'found': "Not available"
-                                        }]'''
                         deps.append([dep_version, res.group(1), res.group(2), res.group(3), res.group(4), res.group(5)])
     return deps
 
@@ -51,12 +47,19 @@ def dependency_check(optional=False):
     d = list()
     deps = load_dependencys(optional)
     for dep in deps:
-        dep_version_int = [int(x) for x in dep[0].split('.')]
-        low_check = [int(x) for x in dep[3].split('.')]
         try:
+            dep_version_int = [int(x) for x in dep[0].split('.')]
+            low_check = [int(x) for x in dep[3].split('.')]
             high_check = [int(x) for x in dep[5].split('.')]
         except AttributeError:
             high_check = None
+        except ValueError:
+            d.append({'name': dep[1],
+                     'target': "available",
+                     'found': "Not available"
+                     })
+            continue
+
         if dep[2].strip() == "==":
             if dep_version_int != low_check:
                 d.append({'name': dep[1],