Synnefo » Pithos

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from dbworker import DBWorker

class Public(DBWorker):

    """Paths can be marked as public."""

    def __init__(self, **params):

        DBWorker.__init__(self, **params)

        execute = self.execute

        execute(""" create table if not exists public

                          ( public_id integer primary key autoincrement,

                            path      text not null,

                            active    boolean not null default 1 ) """)

        execute(""" create unique index if not exists idx_public_path

                    on public(path) """)

    def public_set(self, path):

        q = "insert or ignore into public (path) values (?)"

        self.execute(q, (path,))

        q = "update public set active = 1 where path = ?"

        self.execute(q, (path,))

    def public_unset(self, path):

        q = "update public set active = 0 where path = ?"

        self.execute(q, (path,))

    def public_get(self, path):

        q = "select public_id from public where path = ? and active = 1"

        self.execute(q, (path,))

        row = self.fetchone()

        if row:

            return row[0]

        return None

    def public_path(self, public):

        q = "select path from public where public_id = ? and active = 1"

        self.execute(q, (public,))

        row = self.fetchone()

        if row:

            return row[0]

        return None