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a0305fb97d
The specification: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.1.md#oasObject requires that if the 'servers' array is not provided or empty, its default value is an array of a single Server Object with 'url' of '/'.
76 lines
2 KiB
Python
76 lines
2 KiB
Python
from functools import lru_cache
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from six import iteritems
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class Server(object):
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def __init__(self, url, variables=None):
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self.url = url
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self.variables = variables and dict(variables) or {}
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@property
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def default_url(self):
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return self.get_url()
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@property
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def default_variables(self):
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defaults = {}
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for name, variable in iteritems(self.variables):
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defaults[name] = variable.default
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return defaults
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def get_url(self, **variables):
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if not variables:
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variables = self.default_variables
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return self.url.format(**variables)
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class ServerVariable(object):
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def __init__(self, name, default, enum=None):
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self.name = name
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self.default = default
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self.enum = enum and list(enum) or []
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class ServersGenerator(object):
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def __init__(self, dereferencer):
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self.dereferencer = dereferencer
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def generate(self, servers_spec):
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servers_deref = self.dereferencer.dereference(servers_spec)
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if not servers_deref:
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yield Server('/')
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return
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for server_spec in servers_deref:
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url = server_spec['url']
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variables_spec = server_spec.get('variables', {})
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variables = None
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if variables_spec:
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variables = self.variables_generator.generate(variables_spec)
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yield Server(url, variables=variables)
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@property
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@lru_cache()
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def variables_generator(self):
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return ServerVariablesGenerator(self.dereferencer)
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class ServerVariablesGenerator(object):
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def __init__(self, dereferencer):
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self.dereferencer = dereferencer
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def generate(self, variables_spec):
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variables_deref = self.dereferencer.dereference(variables_spec)
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for variable_name, variable_spec in iteritems(variables_deref):
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default = variable_spec['default']
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enum = variable_spec.get('enum')
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variable = ServerVariable(variable_name, default, enum=enum)
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yield variable_name, variable
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