Merge pull request #5 from davidslusser/docs

fixed bug causing OperationalError on migrate

Author: davidslusser

docs/source/version_history.rst

@@ -8,7 +8,9 @@ Version History
    :header: "Release", "Details"
    :widths: 20, 100
 
-   "0.0.3", "bug fixes and project structure updates"
+   "0.0.5", "fixed bug causing OperationalError on migrate"
+   "0.0.4", "project structure updates"
+   "0.0.3", "bug fixes and code cleanup"
    "0.0.2", "added documentation"
    "0.0.1", "initial release"
 

src/signalcontrol/__init__.py

@@ -7,7 +7,7 @@
 """
 
 __title__ = 'django-signalcontrol'
-__version__ = '0.0.4'
+__version__ = '0.0.5'
 __author__ = 'David Slusser'
 __email__ = 'dbslusser@gmail.com'
 __license__ = 'GPL-3.0'

src/signalcontrol/decorators.py

@@ -1,6 +1,7 @@
 import linecache
 import re
 from django.apps import apps
+from django.db.utils import OperationalError
 from django.db.models.signals import (post_save, pre_init, post_init, pre_save, pre_delete, post_delete,
                                       m2m_changed, pre_migrate, post_migrate)
 
@@ -25,9 +26,13 @@ def signal_control(func, **kwargs):
                        signal_name=signal_name, signal_type=signal_type_name)
     default_data = dict(app_name=app_name, model_name=model_name,
                         signal_name=signal_name, signal_type=signal_type_name)
-    control_instance, is_new = SignalControl.objects.get_or_create(**lookup_data, defaults=default_data)
-    if is_new:
-        print("INFO: registering {} in {} with SignalControl".format(signal_name, app_name))
+    try:
+        control_instance, is_new = SignalControl.objects.get_or_create(**lookup_data, defaults=default_data)
+        if is_new:
+            print('INFO: registering {} in {} with SignalControl'.format(signal_name, app_name))
+    except OperationalError:
+        'The SignalControl table does not exist yet so signal entries can not be made'
+        pass
 
     def signal_control_wrapper(*args, **kwargs):
         signal_name_dict = {