46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
from __future__ import absolute_import
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from __future__ import unicode_literals
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VERSION_EXPLANATION = (
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'You might be seeing this error because you\'re using the wrong Compose file version. '
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'Either specify a supported version ("2.0", "2.1", "3.0") and place your '
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'service definitions under the `services` key, or omit the `version` key '
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'and place your service definitions at the root of the file to use '
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'version 1.\nFor more on the Compose file format versions, see '
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'https://docs.docker.com/compose/compose-file/')
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class ConfigurationError(Exception):
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def __init__(self, msg):
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self.msg = msg
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def __str__(self):
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return self.msg
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class DependencyError(ConfigurationError):
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pass
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class CircularReference(ConfigurationError):
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def __init__(self, trail):
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self.trail = trail
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@property
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def msg(self):
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lines = [
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"{} in {}".format(service_name, filename)
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for (filename, service_name) in self.trail
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]
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return "Circular reference:\n {}".format("\n extends ".join(lines))
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class ComposeFileNotFound(ConfigurationError):
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def __init__(self, supported_filenames):
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super(ComposeFileNotFound, self).__init__("""
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Can't find a suitable configuration file in this directory or any
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parent. Are you in the right directory?
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Supported filenames: %s
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""" % ", ".join(supported_filenames))
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