pydoop.jc — Pydoop Script Configuration Access

Provides a wrapper for the JobConf object.

class pydoop.jc.jc_wrapper(jc)

Simple JobConf wrapper to cache type-converted items.

jc_wrapper[k]

Use the [] operator to get the original conf string value for property k.

Parameters:k – name of the property. Raises KeyError:  if the requested property doesn’t exist.

get(k, default=None)

Return the original conf string, if k exists in the configuration. Else return the value of the argument default.

Parameters:

• k – name of the property.
• default – value to return if the requested property doesn’t exist.

get_boolean(k, default=False)

Fetch the property named k and convert it to a bool.

The values ‘t’, ‘true’, and ‘1’ (upper or lower case) are accepted for True. Similarly, ‘f’, ‘false’ and ‘0’ are accepted for False.

Parameters:

• k – name of the property.
• default – value to return if the requested property doesn’t exist.

Raises ValueError:  

if the value can’t be converted to a bool.

get_float(k, default=0.0)

Fetch the property named k and convert it to a float.

Parameters:

• k – name of the property.
• default – value to return if the requested property doesn’t exist.

Raises ValueError:  

if the value can’t be converted to a float.

get_int(k, default=0)

Fetch the property named k and convert it to an int.

Parameters:

• k – name of the property.
• default – value to return if the requested property doesn’t exist.

Raises ValueError:  

if the value can’t be converted to an int.

has_key(k)

Test for the presence of the property k in the configuration.

Parameters:k – name of the property.