fixed possible unicode errors on repo get function

rhodecode/model/__init__.py

@@ -43,6 +43,7 b''
 
 import logging
 from rhodecode.model import meta
+from rhodecode.lib.utils2 import safe_str
 
 log = logging.getLogger(__name__)
 
@@ -86,7 +87,7 b' class BaseModel(object):'
 
         if isinstance(instance, cls):
             return instance
-        elif isinstance(instance, (int, long)) or str(instance).isdigit():
+        elif isinstance(instance, (int, long)) or safe_str(instance).isdigit():
             return cls.get(instance)
         else:
             if instance:

rhodecode/model/scm.py

@@ -186,7 +186,7 b' class ScmModel(BaseModel):'
         cls = Repository
         if isinstance(instance, cls):
             return instance
-        elif isinstance(instance, int) or str(instance).isdigit():
+        elif isinstance(instance, int) or safe_str(instance).isdigit():
             return cls.get(instance)
         elif isinstance(instance, basestring):
             return cls.get_by_repo_name(instance)
@@ -592,4 +592,4 b' class ScmModel(BaseModel):'
                 f.write(tmpl)
             os.chmod(_hook_file, 0755)
         else:
-            log.debug('skipping writing hook file')
  No newline at end of file
+            log.debug('skipping writing hook file')