stable/freqtrade/__init__.py

""" FreqTrade bot """
__version__ = '2019.9'

if __version__ == 'develop':

    try:
        import subprocess
        __version__ = 'develop-' + subprocess.check_output(
            ['git', 'log', '--format="%h"', '-n 1'],
            stderr=subprocess.DEVNULL).decode("utf-8").rstrip().strip('"')
    except Exception:
        # git not available, ignore
        pass


class DependencyException(Exception):
    """
    Indicates that an assumed dependency is not met.
    This could happen when there is currently not enough money on the account.
    """


class OperationalException(Exception):
    """
    Requires manual intervention and will usually stop the bot.
    This happens when an exchange returns an unexpected error during runtime
    or given configuration is invalid.
    """


class InvalidOrderException(Exception):
    """
    This is returned when the order is not valid. Example:
    If stoploss on exchange order is hit, then trying to cancel the order
    should return this exception.
    """


class TemporaryError(Exception):
    """
    Temporary network or exchange related error.
    This could happen when an exchange is congested, unavailable, or the user
    has networking problems. Usually resolves itself after a time.
    """