magic-removal: Moved django.core.db.backends to django.db.backends

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1632 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/ado_mssql/introspection.py

@@ -0,0 +1,10 @@
+def get_table_list(cursor):
+    raise NotImplementedError
+
+def get_table_description(cursor, table_name):
+    raise NotImplementedError
+
+def get_relations(cursor, table_name):
+    raise NotImplementedError
+
+DATA_TYPES_REVERSE = {}

django/db/backends/ado_mssql/wrapper.py

@@ -109,15 +109,6 @@ def get_limit_offset_sql(limit, offset=None):
 def get_random_function_sql():
     return "RAND()"
 
-def get_table_list(cursor):
-    raise NotImplementedError
-
-def get_table_description(cursor, table_name):
-    raise NotImplementedError
-
-def get_relations(cursor, table_name):
-    raise NotImplementedError
-
 OPERATOR_MAPPING = {
     'exact': '= %s',
     'iexact': 'LIKE %s',
@@ -161,4 +152,3 @@ DATA_TYPES = {
     'USStateField':      'varchar(2)',
 }
 
-DATA_TYPES_REVERSE = {}

django/db/backends/mysql/introspection.py

@@ -0,0 +1,34 @@
+from MySQLdb.constants import FIELD_TYPE
+
+def get_table_list(cursor):
+    "Returns a list of table names in the current database."
+    cursor.execute("SHOW TABLES")
+    return [row[0] for row in cursor.fetchall()]
+
+def get_table_description(cursor, table_name):
+    "Returns a description of the table, with the DB-API cursor.description interface."
+    cursor.execute("SELECT * FROM %s LIMIT 1" % table_name)
+    return cursor.description
+
+def get_relations(cursor, table_name):
+    raise NotImplementedError
+
+DATA_TYPES_REVERSE = {
+    FIELD_TYPE.BLOB: 'TextField',
+    FIELD_TYPE.CHAR: 'CharField',
+    FIELD_TYPE.DECIMAL: 'FloatField',
+    FIELD_TYPE.DATE: 'DateField',
+    FIELD_TYPE.DATETIME: 'DateTimeField',
+    FIELD_TYPE.DOUBLE: 'FloatField',
+    FIELD_TYPE.FLOAT: 'FloatField',
+    FIELD_TYPE.INT24: 'IntegerField',
+    FIELD_TYPE.LONG: 'IntegerField',
+    FIELD_TYPE.LONGLONG: 'IntegerField',
+    FIELD_TYPE.SHORT: 'IntegerField',
+    FIELD_TYPE.STRING: 'TextField',
+    FIELD_TYPE.TIMESTAMP: 'DateTimeField',
+    FIELD_TYPE.TINY_BLOB: 'TextField',
+    FIELD_TYPE.MEDIUM_BLOB: 'TextField',
+    FIELD_TYPE.LONG_BLOB: 'TextField',
+    FIELD_TYPE.VAR_STRING: 'CharField',
+}

django/db/backends/mysql/wrapper.py

@@ -119,19 +119,6 @@ def get_limit_offset_sql(limit, offset=None):
 def get_random_function_sql():
     return "RAND()"
 
-def get_table_list(cursor):
-    "Returns a list of table names in the current database."
-    cursor.execute("SHOW TABLES")
-    return [row[0] for row in cursor.fetchall()]
-
-def get_table_description(cursor, table_name):
-    "Returns a description of the table, with the DB-API cursor.description interface."
-    cursor.execute("SELECT * FROM %s LIMIT 1" % table_name)
-    return cursor.description
-
-def get_relations(cursor, table_name):
-    raise NotImplementedError
-
 OPERATOR_MAPPING = {
     'exact': '= %s',
     'iexact': 'LIKE %s',
@@ -178,23 +165,3 @@ DATA_TYPES = {
     'URLField':          'varchar(200)',
     'USStateField':      'varchar(2)',
 }
-
-DATA_TYPES_REVERSE = {
-    FIELD_TYPE.BLOB: 'TextField',
-    FIELD_TYPE.CHAR: 'CharField',
-    FIELD_TYPE.DECIMAL: 'FloatField',
-    FIELD_TYPE.DATE: 'DateField',
-    FIELD_TYPE.DATETIME: 'DateTimeField',
-    FIELD_TYPE.DOUBLE: 'FloatField',
-    FIELD_TYPE.FLOAT: 'FloatField',
-    FIELD_TYPE.INT24: 'IntegerField',
-    FIELD_TYPE.LONG: 'IntegerField',
-    FIELD_TYPE.LONGLONG: 'IntegerField',
-    FIELD_TYPE.SHORT: 'IntegerField',
-    FIELD_TYPE.STRING: 'TextField',
-    FIELD_TYPE.TIMESTAMP: 'DateTimeField',
-    FIELD_TYPE.TINY_BLOB: 'TextField',
-    FIELD_TYPE.MEDIUM_BLOB: 'TextField',
-    FIELD_TYPE.LONG_BLOB: 'TextField',
-    FIELD_TYPE.VAR_STRING: 'CharField',
-}

django/db/backends/postgresql/introspection.py

@@ -0,0 +1,52 @@
+def get_table_list(cursor):
+    "Returns a list of table names in the current database."
+    cursor.execute("""
+        SELECT c.relname
+        FROM pg_catalog.pg_class c
+        LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+        WHERE c.relkind IN ('r', 'v', '')
+            AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
+            AND pg_catalog.pg_table_is_visible(c.oid)""")
+    return [row[0] for row in cursor.fetchall()]
+
+def get_table_description(cursor, table_name):
+    "Returns a description of the table, with the DB-API cursor.description interface."
+    cursor.execute("SELECT * FROM %s LIMIT 1" % table_name)
+    return cursor.description
+
+def get_relations(cursor, table_name):
+    """
+    Returns a dictionary of {field_index: (field_index_other_table, other_table)}
+    representing all relationships to the given table. Indexes are 0-based.
+    """
+    cursor.execute("""
+        SELECT con.conkey, con.confkey, c2.relname
+        FROM pg_constraint con, pg_class c1, pg_class c2
+        WHERE c1.oid = con.conrelid
+            AND c2.oid = con.confrelid
+            AND c1.relname = %s
+            AND con.contype = 'f'""", [table_name])
+    relations = {}
+    for row in cursor.fetchall():
+        try:
+            # row[0] and row[1] are like "{2}", so strip the curly braces.
+            relations[int(row[0][1:-1]) - 1] = (int(row[1][1:-1]) - 1, row[2])
+        except ValueError:
+            continue
+    return relations
+
+# Maps type codes to Django Field types.
+DATA_TYPES_REVERSE = {
+    16: 'BooleanField',
+    21: 'SmallIntegerField',
+    23: 'IntegerField',
+    25: 'TextField',
+    869: 'IPAddressField',
+    1043: 'CharField',
+    1082: 'DateField',
+    1083: 'TimeField',
+    1114: 'DateTimeField',
+    1184: 'DateTimeField',
+    1266: 'TimeField',
+    1700: 'FloatField',
+}

django/db/backends/postgresql/wrapper.py

@@ -89,43 +89,6 @@ def get_limit_offset_sql(limit, offset=None):
 def get_random_function_sql():
     return "RANDOM()"
 
-def get_table_list(cursor):
-    "Returns a list of table names in the current database."
-    cursor.execute("""
-        SELECT c.relname
-        FROM pg_catalog.pg_class c
-        LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
-        WHERE c.relkind IN ('r', 'v', '')
-            AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
-            AND pg_catalog.pg_table_is_visible(c.oid)""")
-    return [row[0] for row in cursor.fetchall()]
-
-def get_table_description(cursor, table_name):
-    "Returns a description of the table, with the DB-API cursor.description interface."
-    cursor.execute("SELECT * FROM %s LIMIT 1" % table_name)
-    return cursor.description
-
-def get_relations(cursor, table_name):
-    """
-    Returns a dictionary of {field_index: (field_index_other_table, other_table)}
-    representing all relationships to the given table. Indexes are 0-based.
-    """
-    cursor.execute("""
-        SELECT con.conkey, con.confkey, c2.relname
-        FROM pg_constraint con, pg_class c1, pg_class c2
-        WHERE c1.oid = con.conrelid
-            AND c2.oid = con.confrelid
-            AND c1.relname = %s
-            AND con.contype = 'f'""", [table_name])
-    relations = {}
-    for row in cursor.fetchall():
-        try:
-            # row[0] and row[1] are like "{2}", so strip the curly braces.
-            relations[int(row[0][1:-1]) - 1] = (int(row[1][1:-1]) - 1, row[2])
-        except ValueError:
-            continue
-    return relations
-
 # Register these custom typecasts, because Django expects dates/times to be
 # in Python's native (standard-library) datetime/time format, whereas psycopg
 # use mx.DateTime by default.
@@ -183,19 +146,3 @@ DATA_TYPES = {
     'URLField':          'varchar(200)',
     'USStateField':      'varchar(2)',
 }
-
-# Maps type codes to Django Field types.
-DATA_TYPES_REVERSE = {
-    16: 'BooleanField',
-    21: 'SmallIntegerField',
-    23: 'IntegerField',
-    25: 'TextField',
-    869: 'IPAddressField',
-    1043: 'CharField',
-    1082: 'DateField',
-    1083: 'TimeField',
-    1114: 'DateTimeField',
-    1184: 'DateTimeField',
-    1266: 'TimeField',
-    1700: 'FloatField',
-}

django/db/backends/sqlite3/introspection.py

@@ -0,0 +1,44 @@
+def get_table_list(cursor):
+    cursor.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name")
+    return [row[0] for row in cursor.fetchall()]
+
+def get_table_description(cursor, table_name):
+    cursor.execute("PRAGMA table_info(%s)" % table_name)
+    return [(row[1], row[2], None, None) for row in cursor.fetchall()]
+
+def get_relations(cursor, table_name):
+    raise NotImplementedError
+
+# Maps SQL types to Django Field types. Some of the SQL types have multiple
+# entries here because SQLite allows for anything and doesn't normalize the
+# field type; it uses whatever was given.
+BASE_DATA_TYPES_REVERSE = {
+    'bool': 'BooleanField',
+    'boolean': 'BooleanField',
+    'smallint': 'SmallIntegerField',
+    'smallinteger': 'SmallIntegerField',
+    'int': 'IntegerField',
+    'integer': 'IntegerField',
+    'text': 'TextField',
+    'char': 'CharField',
+    'date': 'DateField',
+    'datetime': 'DateTimeField',
+    'time': 'TimeField',
+}
+
+# This light wrapper "fakes" a dictionary interface, because some SQLite data
+# types include variables in them -- e.g. "varchar(30)" -- and can't be matched
+# as a simple dictionary lookup.
+class FlexibleFieldLookupDict:
+    def __getitem__(self, key):
+        key = key.lower()
+        try:
+            return BASE_DATA_TYPES_REVERSE[key]
+        except KeyError:
+            import re
+            m = re.search(r'^\s*(?:var)?char\s*\(\s*(\d+)\s*\)\s*$', key)
+            if m:
+                return ('CharField', {'maxlength': m.group(1)})
+            raise KeyError
+
+DATA_TYPES_REVERSE = FlexibleFieldLookupDict()

django/db/backends/sqlite3/wrapper.py

@@ -123,17 +123,6 @@ def _sqlite_date_trunc(lookup_type, dt):
     elif lookup_type == 'day':
         return "%i-%02i-%02i 00:00:00" % (dt.year, dt.month, dt.day)
 
-def get_table_list(cursor):
-    cursor.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name")
-    return [row[0] for row in cursor.fetchall()]
-
-def get_table_description(cursor, table_name):
-    cursor.execute("PRAGMA table_info(%s)" % table_name)
-    return [(row[1], row[2], None, None) for row in cursor.fetchall()]
-
-def get_relations(cursor, table_name):
-    raise NotImplementedError
-
 # Operators and fields ########################################################
 
 # SQLite requires LIKE statements to include an ESCAPE clause if the value
@@ -184,37 +173,3 @@ DATA_TYPES = {
     'URLField':                     'varchar(200)',
     'USStateField':                 'varchar(2)',
 }
-
-# Maps SQL types to Django Field types. Some of the SQL types have multiple
-# entries here because SQLite allows for anything and doesn't normalize the
-# field type; it uses whatever was given.
-BASE_DATA_TYPES_REVERSE = {
-    'bool': 'BooleanField',
-    'boolean': 'BooleanField',
-    'smallint': 'SmallIntegerField',
-    'smallinteger': 'SmallIntegerField',
-    'int': 'IntegerField',
-    'integer': 'IntegerField',
-    'text': 'TextField',
-    'char': 'CharField',
-    'date': 'DateField',
-    'datetime': 'DateTimeField',
-    'time': 'TimeField',
-}
-
-# This light wrapper "fakes" a dictionary interface, because some SQLite data
-# types include variables in them -- e.g. "varchar(30)" -- and can't be matched
-# as a simple dictionary lookup.
-class FlexibleFieldLookupDict:
-    def __getitem__(self, key):
-        key = key.lower()
-        try:
-            return BASE_DATA_TYPES_REVERSE[key]
-        except KeyError:
-            import re
-            m = re.search(r'^\s*(?:var)?char\s*\(\s*(\d+)\s*\)\s*$', key)
-            if m:
-                return ('CharField', {'maxlength': m.group(1)})
-            raise KeyError
-
-DATA_TYPES_REVERSE = FlexibleFieldLookupDict()