PY-22710: Django 2.0 support initial commit

PyPackage represents django and its version, and PyRequirement represents
django version range.

python/helpers/pycharm/django_test_manage.py

@@ -51,7 +51,7 @@ if not settings_file:
   settings_file = 'settings'
 
 import django
-if django.VERSION[0:2] >= (1, 7):
+if django.VERSION >= (1, 7):
     if not settings.configured:
         settings.configure()
     django.setup()

python/helpers/pycharm/django_test_runner.py

@@ -36,7 +36,7 @@ if is_nosetest(settings):
 # Since unittest2 became the standard library's unittest module in Python 2.7,
 # and Django 1.7 drops support for older Python versions, this module isn't useful anymore.
 # It has been deprecated. Use unittest instead.
-if VERSION[1] >= 7:
+if VERSION >= (1,7):
   import unittest
 else:
   from django.utils import unittest
@@ -51,7 +51,7 @@ def get_test_suite_runner():
     return get_runner(TempSettings)
 
 try:
-  if VERSION[1] >= 6:
+  if VERSION >= (1,6):
     from django.test.runner import DiscoverRunner as DjangoSuiteRunner
   else:
     from django.test.simple import DjangoTestSuiteRunner as DjangoSuiteRunner
@@ -251,8 +251,5 @@ def run_tests(test_labels, verbosity=1, interactive=False, extra_tests=[],
   }
   options.update(kwargs)
   TeamcityServiceMessages(sys.stdout).testMatrixEntered()
-  if VERSION[1] > 1:
-    return DjangoTeamcityTestRunner(**options).run_tests(test_labels,
-                                                         extra_tests=extra_tests, **options)
-
-  return run_the_old_way(extra_tests, options, test_labels, verbosity)
+  return DjangoTeamcityTestRunner(**options).run_tests(test_labels,
+                                                       extra_tests=extra_tests, **options)

python/helpers/pydev/tests_pydevd_python/my_django_proj_17/my_django_proj_17/urls.py

@@ -6,6 +6,6 @@ urlpatterns = patterns('',
     # url(r'^$', 'my_django_proj_17.views.home', name='home'),
     # url(r'^blog/', include('blog.urls')),
 
-    url(r'^admin/', include(admin.site.urls)),
+    url(r'^admin/', admin.site.urls),
     url(r'^my_app/', include('my_app.urls')),
 )

python/openapi/src/com/jetbrains/python/packaging/PyRequirement.java

@@ -212,8 +212,11 @@ public class PyRequirement {
     this(name, Collections.emptyList());
   }
 
+  public PyRequirement(@NotNull String name, @NotNull PyRequirementRelation relation, @NotNull String version) {
+    this(name, Collections.singletonList(calculateVersionSpec(version, relation)));
+  }
   public PyRequirement(@NotNull String name, @NotNull String version) {
-    this(name, Collections.singletonList(calculateVersionSpec(version, PyRequirementRelation.EQ)));
+    this(name, PyRequirementRelation.EQ, version);
   }
 
   public PyRequirement(@NotNull String name, @NotNull String version, @NotNull List<String> installOptions) {