Got basic webpage working. Need to make base page, static folders

2018-01-20 13:16:20 -08:00
parent 982037efc1
commit 1a375726ae
5625 changed files with 577078 additions and 0 deletions
@@ -0,0 +1,91 @@
+from django.db.models import Index
+
+__all__ = ['BrinIndex', 'GinIndex', 'GistIndex']
+
+
+class MaxLengthMixin:
+    # Allow an index name longer than 30 characters since the suffix is 4
+    # characters (usual limit is 3). Since this index can only be used on
+    # PostgreSQL, the 30 character limit for cross-database compatibility isn't
+    # applicable.
+    max_name_length = 31
+
+
+class BrinIndex(MaxLengthMixin, Index):
+    suffix = 'brin'
+
+    def __init__(self, *, pages_per_range=None, **kwargs):
+        if pages_per_range is not None and pages_per_range <= 0:
+            raise ValueError('pages_per_range must be None or a positive integer')
+        self.pages_per_range = pages_per_range
+        super().__init__(**kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.pages_per_range is not None:
+            kwargs['pages_per_range'] = self.pages_per_range
+        return path, args, kwargs
+
+    def create_sql(self, model, schema_editor, using=''):
+        statement = super().create_sql(model, schema_editor, using=' USING brin')
+        if self.pages_per_range is not None:
+            statement.parts['extra'] = ' WITH (pages_per_range={})'.format(
+                schema_editor.quote_value(self.pages_per_range)
+            ) + statement.parts['extra']
+        return statement
+
+
+class GinIndex(Index):
+    suffix = 'gin'
+
+    def __init__(self, *, fastupdate=None, gin_pending_list_limit=None, **kwargs):
+        self.fastupdate = fastupdate
+        self.gin_pending_list_limit = gin_pending_list_limit
+        super().__init__(**kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fastupdate is not None:
+            kwargs['fastupdate'] = self.fastupdate
+        if self.gin_pending_list_limit is not None:
+            kwargs['gin_pending_list_limit'] = self.gin_pending_list_limit
+        return path, args, kwargs
+
+    def create_sql(self, model, schema_editor, using=''):
+        statement = super().create_sql(model, schema_editor, using=' USING gin')
+        with_params = []
+        if self.gin_pending_list_limit is not None:
+            with_params.append('gin_pending_list_limit = %d' % self.gin_pending_list_limit)
+        if self.fastupdate is not None:
+            with_params.append('fastupdate = {}'.format('on' if self.fastupdate else 'off'))
+        if with_params:
+            statement.parts['extra'] = 'WITH ({}) {}'.format(', '.join(with_params), statement.parts['extra'])
+        return statement
+
+
+class GistIndex(MaxLengthMixin, Index):
+    suffix = 'gist'
+
+    def __init__(self, *, buffering=None, fillfactor=None, **kwargs):
+        self.buffering = buffering
+        self.fillfactor = fillfactor
+        super().__init__(**kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.buffering is not None:
+            kwargs['buffering'] = self.buffering
+        if self.fillfactor is not None:
+            kwargs['fillfactor'] = self.fillfactor
+        return path, args, kwargs
+
+    def create_sql(self, model, schema_editor):
+        statement = super().create_sql(model, schema_editor, using=' USING gist')
+        with_params = []
+        if self.buffering is not None:
+            with_params.append('buffering = {}'.format('on' if self.buffering else 'off'))
+        if self.fillfactor is not None:
+            with_params.append('fillfactor = %s' % self.fillfactor)
+        if with_params:
+            statement.parts['extra'] = 'WITH ({}) {}'.format(', '.join(with_params), statement.parts['extra'])
+        return statement