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Purpose
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``oragrant`` prints all existing grants in an Oracle database schema. It can also be used to execute these grant statements directly.


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Options
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``oragrant`` supports the following options:

``connectstring``
   An Oracle connectstring.

``-v``, ``--verbose`` (``false``, ``no``, ``0``, ``true``, ``yes`` or ``1``)
   Produces output (on stderr) while the database is read or written.

``-c``, ``--color`` (``yes``, ``no`` or ``auto``)
   Should the output (when the ``-v`` option is used) be colored? If ``auto`` is specified (the default) then the output is colored if stderr is a terminal.

``-x``, ``--execute`` (connectstring)
   When the ``-x`` argument is given the SQL script isn't printed on stdout, but executed in the database specfied as the ``-x`` argument.

``-k``, ``--keepjunk`` (``false``, ``no``, ``0``, ``true``, ``yes`` or ``1``)
   If true (the default), database objects that have ``$`` or ``SYS_EXPORT_SCHEMA_`` in their name will be skipped (otherwise these objects will be included in the output).

``-i``, ``--ignore`` (``false``, ``no``, ``0``, ``true``, ``yes`` or ``1``)
   If true, any exception that occurs while the database is read or written will be ignored.

``-m``, ``--mapgrantee`` (Python expression: ``list`` or ``dict``)
   A Python ``dict`` or ``list`` literal which will be evaluated. If the grantee is not in this list (or dictionary) no grant statement will be returned. If it's a dictionary and the grantee exists as a key, the privilege will be granted to the user specified as the value instead of the original one. The default is to grant all privileges to the original grantee.

``--format`` (``sql`` or ``pysql``)
   If ``--execute`` is not given, this determines the output format: Plain SQL, or PySQL which can be piped into ``ll.pysql``.

``--include`` (regexp)
   Only include objects in the output if their name contains the regular expression.

``--exclude`` (regexp)
   Exclude objects from the output if their name contains the regular expression.


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Example
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Grant all privileges that ``alice`` has in the schema ``user@db`` to ``bob`` in ``user2@db2``:

   $ oragrant user/pwd@db -x user2/pwd2@db2 -m '{"alice": "bob"}' -v


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def ``main``​(``args``=``None``):
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