An approach to achieve full package independence.

The only thing person has to do to add package is to add it to mothra/settings/INSTALLED_APPS.
following files are automatically added with definitions from equal naming modules from packages.
- library.py
- visualization_views.py
- interaction_views.py
- urls.py

workflows/interaction_views.py

+import sys
 from django.shortcuts import render
 from decision_support.interaction import *
-from latino.interaction_views import *
+
+from workflows import packageLibImporter
+def setattr_local(name, value, package):
+    setattr(sys.modules[__name__], name, value)
+packageLibImporter.importAllPackagesLib("interaction_views",setattr_local)
 
 def test_interaction(request,input_dict,output_dict,widget):
     return render(request, 'interactions/test_interaction.html',{'widget':widget})

workflows/latino/urls.py

 from django.conf.urls.defaults import patterns, include, url
 
-urlpatterns_latino = patterns('',
+urlpatterns = patterns('',
     url(r'^get-adc-index/widget(?P<widget_id>[0-9]+)/nx/Index.html$', 'workflows.latino.views.get_adc_index', name='get adc index'),
     url(r'^get-adc-index/widget(?P<widget_id>[0-9]+)/(?P<narrow_doc>n?)x/Index.html$', 'workflows.latino.views.get_adc_index', name='get adc index'),
     url(r'^get-adc-index/widget(?P<widget_id>[0-9]+)/(?P<narrow_doc>n?)x/Index(?P<document_id_from>[0-9]+)-(?P<document_id_to>[0-9]+).html$', 'workflows.latino.views.get_adc_index', name='get adc index'),

workflows/library.py

@@ -2,8 +2,13 @@ from workflows.security import safeOpen
 import nlp
 import cPickle
 import json
+import sys
 from decision_support.library import *
-from latino.library import *
+
+from workflows import packageLibImporter
+def setattr_local(name, value, package):
+    setattr(sys.modules[__name__], name, value)
+packageLibImporter.importAllPackagesLib("library",setattr_local)
 
 def test_interaction(input_dict):
     return input_dict

workflows/packageLibImporter.py

+from mothra.settings import INSTALLED_APPS
+
+appName = 'workflows'
+import workflows.library
+
+def getAllInstalledAps():
+    return [name[len(appName)+1:] for name in INSTALLED_APPS if name.startswith(appName+'.') and len(name)>len(appName)+1]
+
+def importAllPackagesLib(libName, localSetattr):
+    for pck in getAllInstalledAps():
+        importPackageLib(pck, libName, localSetattr)
+
+def importPackageLib(packageName, libName, localSetattr):
+    dynamicImportAllGlobals(appName+"."+packageName + "." + libName, packageName, localSetattr)
+
+def dynamicImportAllGlobals(name, package, localSetattr):
+    try:
+        m = __import__(name, globals(), locals(), ['*'])
+    except:
+        return
+    all_names = [name for name in dir(m) if name[0]!='_']
+    g = globals()
+    for name in all_names:
+        #g[name] = m.__dict__.get(name)
+        #print name
+        localSetattr(name, m.__dict__.get(name), package)
+

workflows/urls.py

 from django.conf.urls.defaults import patterns, include, url
-from latino.urls import urlpatterns_latino
 
-urlpatterns = patterns('',
+packageUrls = {}
+from workflows import packageLibImporter
+def set_package_url(name, value, package):
+    if name == 'urlpatterns':
+        packageUrls[package] = value
+packageLibImporter.importAllPackagesLib("urls",set_package_url)
 
+urlpatterns = patterns('',)
+
+for pck in  packageUrls:
+    urlpatterns += patterns('',url(r'^'+pck+'/', include(packageUrls[pck])),)
+
+urlpatterns += patterns('',
     url(r'^$', 'workflows.views.index', name='the index'),
     url(r'^new-workflow/$', 'workflows.views.new_workflow', name='new workflow'),
     url(r'^add-widget/$', 'workflows.views.add_widget', name='add widget'),
@@ -59,6 +69,4 @@ urlpatterns = patterns('',
     url(r'^reset-workflow/', 'workflows.views.reset_workflow', name='reset workflow'),
 
     url(r'^export-package/(?P<packages>.+)/$', 'workflows.views.export_package', name='export_package'),
-
-    url(r'^latino/', include(urlpatterns_latino)),
 )
\ No newline at end of file

workflows/visualization_views.py

+import sys
 from django.shortcuts import render
 from django.http import Http404, HttpResponse
 import nlp
 from decision_support.visualization import *
-from latino.visualization_views import *
+
+from workflows import packageLibImporter
+def setattr_local(name, value, package):
+    setattr(sys.modules[__name__], name, value)
+packageLibImporter.importAllPackagesLib("visualization_views",setattr_local)
 
 def odt_to_tab(request,input_dict,output_dict,widget):
     import Orange