Author: adrian
Date: 2008-09-08 21:13:58 -0500 (Mon, 08 Sep 2008)
New Revision: 8989

Modified:
   django/trunk/django/db/backends/__init__.py
   django/trunk/django/db/backends/mysql/client.py
   django/trunk/django/db/backends/oracle/client.py
   django/trunk/django/db/backends/postgresql/client.py
   django/trunk/django/db/backends/sqlite3/client.py
Log:
db: Gave each DatabaseClient class an 'executable_name' attribute (e.g., 'psql' 
or 'mysql'), so that we can use it to make a more helpful error message. Refs 
#8978

Modified: django/trunk/django/db/backends/__init__.py
===================================================================
--- django/trunk/django/db/backends/__init__.py 2008-09-09 01:56:01 UTC (rev 
8988)
+++ django/trunk/django/db/backends/__init__.py 2008-09-09 02:13:58 UTC (rev 
8989)
@@ -439,9 +439,13 @@
 
 class BaseDatabaseClient(object):
     """
-    This class encapsualtes all backend-specific methods for opening a
-    client shell
+    This class encapsulates all backend-specific methods for opening a
+    client shell.
     """
+    # This should be a string representing the name of the executable
+    # (e.g., "psql"). Subclasses must override this.
+    executable_name = None
+
     def runshell(self):
         raise NotImplementedError()
 

Modified: django/trunk/django/db/backends/mysql/client.py
===================================================================
--- django/trunk/django/db/backends/mysql/client.py     2008-09-09 01:56:01 UTC 
(rev 8988)
+++ django/trunk/django/db/backends/mysql/client.py     2008-09-09 02:13:58 UTC 
(rev 8989)
@@ -3,6 +3,8 @@
 import os
 
 class DatabaseClient(BaseDatabaseClient):
+    executable_name = 'mysql'
+
     def runshell(self):
         args = ['']
         db = settings.DATABASE_OPTIONS.get('db', settings.DATABASE_NAME)
@@ -11,7 +13,7 @@
         host = settings.DATABASE_OPTIONS.get('host', settings.DATABASE_HOST)
         port = settings.DATABASE_OPTIONS.get('port', settings.DATABASE_PORT)
         defaults_file = settings.DATABASE_OPTIONS.get('read_default_file')
-        # Seems to be no good way to set sql_mode with CLI
+        # Seems to be no good way to set sql_mode with CLI.
     
         if defaults_file:
             args += ["--defaults-file=%s" % defaults_file]
@@ -26,4 +28,4 @@
         if db:
             args += [db]
 
-        os.execvp('mysql', args)
+        os.execvp(self.executable_name, args)

Modified: django/trunk/django/db/backends/oracle/client.py
===================================================================
--- django/trunk/django/db/backends/oracle/client.py    2008-09-09 01:56:01 UTC 
(rev 8988)
+++ django/trunk/django/db/backends/oracle/client.py    2008-09-09 02:13:58 UTC 
(rev 8989)
@@ -3,11 +3,13 @@
 import os
 
 class DatabaseClient(BaseDatabaseClient):
+    executable_name = 'sqlplus'
+
     def runshell(self):
         dsn = settings.DATABASE_USER
         if settings.DATABASE_PASSWORD:
             dsn += "/%s" % settings.DATABASE_PASSWORD
         if settings.DATABASE_NAME:
             dsn += "@%s" % settings.DATABASE_NAME
-        args = ["sqlplus", "-L", dsn]
-        os.execvp("sqlplus", args)
+        args = [self.executable_name, "-L", dsn]
+        os.execvp(self.executable_name, args)

Modified: django/trunk/django/db/backends/postgresql/client.py
===================================================================
--- django/trunk/django/db/backends/postgresql/client.py        2008-09-09 
01:56:01 UTC (rev 8988)
+++ django/trunk/django/db/backends/postgresql/client.py        2008-09-09 
02:13:58 UTC (rev 8989)
@@ -3,8 +3,10 @@
 import os
 
 class DatabaseClient(BaseDatabaseClient):
+    executable_name = 'psql'
+
     def runshell(self):
-        args = ['psql']
+        args = [self.executable_name]
         if settings.DATABASE_USER:
             args += ["-U", settings.DATABASE_USER]
         if settings.DATABASE_PASSWORD:
@@ -14,4 +16,4 @@
         if settings.DATABASE_PORT:
             args.extend(["-p", str(settings.DATABASE_PORT)])
         args += [settings.DATABASE_NAME]
-        os.execvp('psql', args)
+        os.execvp(self.executable_name, args)

Modified: django/trunk/django/db/backends/sqlite3/client.py
===================================================================
--- django/trunk/django/db/backends/sqlite3/client.py   2008-09-09 01:56:01 UTC 
(rev 8988)
+++ django/trunk/django/db/backends/sqlite3/client.py   2008-09-09 02:13:58 UTC 
(rev 8989)
@@ -3,6 +3,8 @@
 import os
 
 class DatabaseClient(BaseDatabaseClient):
+    executable_name = 'sqlite3'
+
     def runshell(self):
         args = ['', settings.DATABASE_NAME]
-        os.execvp('sqlite3', args)
+        os.execvp(self.executable_name, args)


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