<commit_before>"""
Hosts the table tiers, user relations should be derived from.
"""

import re
import abc
from datajoint.relation import Relation
from .autopopulate import AutoPopulate
from . import DataJointError


class Manual(Relation):
    """
    Inherit from this class if the table's values are entered manually.
    """

    @property
    def table_name(self):
        """
        :returns: the table name of the table formatted for mysql.
        """
        return from_camel_case(self.__class__.__name__)


class Lookup(Relation):
    """
    Inherit from this class if the table's values are for lookup. This is
    currently equivalent to defining the table as Manual and serves semantic
    purposes only.
    """

    @property
    def table_name(self):
        """
        :returns: the table name of the table formatted for mysql.
        """
        return '#' + from_camel_case(self.__class__.__name__)

    def prepare(self):
        """
        Checks whether the instance has a property called `content` and inserts its elements.
        """
        if hasattr(self, 'content'):
            for row in self.content:
                self.insert1(row, ignore_errors=True)


class Imported(Relation, AutoPopulate):
    """
    Inherit from this class if the table's values are imported from external data sources.<commit_msg>content -> contents<commit_after>"""
Hosts the table tiers, user relations should be derived from.
"""

import re
import abc
from datajoint.relation import Relation
from .autopopulate import AutoPopulate
from . import DataJointError


class Manual(Relation):
    """
    Inherit from this class if the table's values are entered manually.
    """

    @property
    def table_name(self):
        """
        :returns: the table name of the table formatted for mysql.
        """
        return from_camel_case(self.__class__.__name__)


class Lookup(Relation):
    """
    Inherit from this class if the table's values are for lookup. This is
    currently equivalent to defining the table as Manual and serves semantic
    purposes only.
    """

    @property
    def table_name(self):
        """
        :returns: the table name of the table formatted for mysql.
        """
        return '#' + from_camel_case(self.__class__.__name__)

    def prepare(self):
        """
        Checks whether the instance has a property called `content` and inserts its elements.
        """
        if hasattr(self, 'contents'):
            for row in self.contents:
                self.insert1(row, ignore_errors=True)


class Imported(Relation, AutoPopulate):
    """
    Inherit from this class if the table's values are imported from external data sources.
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