"""Interfaces for waeup.csvfile.
"""
from zope.interface import Interface
from zope import schema

class ICSVFile(Interface):
    """A wrapper for a CSV file.
    """
    required_fields = schema.List(
        title = u'Required header fields.',
        value_type = schema.TextLine(
            title = u'Field name',
            )
        )
    
    path = schema.TextLine(
        title = u'Filesystem path to wrapped file.'
        )

    def getData():
        """Get a dict of data contained in the CSV file.
        """
        
    def getHeaderFields():
        """Get a list of (supported) header fields.
        """
    
class ICSVDataReceiver(Interface):
    """A receiver for CSV data.
    """
    def setData(data):
        """Set data.
        """

class ICSVDataConnector(Interface):
    """A connector brings together a CSVDataSource and a CSVDataReceiver.
    """