Added search bar in Django Admin Users and competitions pages as well as some filters

Dockerfile

@@ -4,7 +4,7 @@ FROM --platform=linux/amd64 python:3.8.3
 RUN curl -sL https://deb.nodesource.com/setup_4.x | bash -
 RUN apt-get update && apt-get install -y npm netcat nodejs python-dev libmemcached-dev
 
-RUN pip install --upgrade pip  # make things faster, hopefully
+#RUN pip install --upgrade pip  # make things faster, hopefully
 COPY codalab/requirements/requirements.txt requirements.txt
 RUN pip install -r requirements.txt
 

codalab/apps/authenz/admin.py

@@ -2,5 +2,9 @@
 
 from .models import ClUser
 
+class UserAdmin(admin.ModelAdmin):
+    search_fields = ['username', 'email']
+    list_filter = ['is_staff', 'is_superuser']
+    list_display = ['username', 'email', 'is_staff', 'is_superuser']
 
-admin.site.register(ClUser)
+admin.site.register(ClUser, UserAdmin)

codalab/apps/web/admin.py

@@ -14,10 +14,12 @@ class ParticipantInlineAdmin(admin.TabularInline):
     model = models.CompetitionParticipant
 
 class CompetitionAdmin(admin.ModelAdmin):
-    inlines = [
-               PhaseInlineAdmin,
-               ParticipantInlineAdmin
-               ]
+    #inlines = [
+               #PhaseInlineAdmin,
+               #ParticipantInlineAdmin
+               #]
+    search_fields = ['title', 'creator__username']
+    list_display = ['title', 'creator']
 admin.site.register(models.Competition, CompetitionAdmin)