I hope that the main django devs will reconsider the merits of using
DSNs in env to set db connections and accept part of the patch in
#1810.
I'm -1 on mandating the use of a particular env var to hold the dsn,
and on the automated slurp into DATABASE_* values, but I think that
parse_dsn() should be part of the core django distribution.
Uri-style DSNs are in wide enough use that they are a defacto standard.
And there are very real gains in app portability and security from
keeping database connection info out of your app code. Not to mention
that when django grows support for connecting to multiple databases
(#1142), specifing those connections via DSNs will be a whole lot
easier (made up example):
DATABASES = {
'foo': 'sqlite3://:memory:',
'bar': 'postgres://me:[EMAIL PROTECTED]:5219/db'
...
}
As opposed to:
DATABASES = {
'foo': { 'DATABASE_ENGINE': 'sqlite3',
'DATABASE_NAME': ':memory:' },
'bar': { 'DATABASE_ENGINE': 'postgres',
'DATABASE_NAME': 'db',
'DATABASE_USER': 'me',
'DATABASE_PASSWORD': 'me',
'DATABASE_HOST': 'there',
'DATABASE_PORT': 5219
}
}
The objections to parse_dsn() seem to boil down to "we already have a
way to specify connection info" and "DSNs are harder to read", neither
of which I find convincing. DSNs are just uris, which I would hope
everyone undertaking to develop a web app can read. And I don't think
there's any harm in supporting an additional feature that is a standard
in the rest of the web development world, and adds real value for many
users (myself included -- I am not about to put my production db
password into a subversion repository that everyone in the company can
read).
JP
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