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python.py
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82 lines (71 loc) · 2.7 KB
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# Note that `DisplayCodec` is deliberately omitted from the documentation,
# as it is considered an implementation detail.
# It may move into a utility function in the future.
from __future__ import unicode_literals
from coreapi.codecs.base import BaseCodec
from coreapi.document import Document, Link, Array, Object, Error, Field
def _to_repr(node):
if isinstance(node, Document):
content = ', '.join([
'%s: %s' % (repr(key), _to_repr(value))
for key, value in node.items()
])
return 'Document(url=%s, title=%s, content={%s})' % (
repr(node.url), repr(node.title), content
)
elif isinstance(node, Error):
content = ', '.join([
'%s: %s' % (repr(key), _to_repr(value))
for key, value in node.items()
])
return 'Error(title=%s, content={%s})' % (
repr(node.title), content
)
elif isinstance(node, Object):
return '{%s}' % ', '.join([
'%s: %s' % (repr(key), _to_repr(value))
for key, value in node.items()
])
elif isinstance(node, Array):
return '[%s]' % ', '.join([
_to_repr(value) for value in node
])
elif isinstance(node, Link):
args = "url=%s" % repr(node.url)
if node.action:
args += ", action=%s" % repr(node.action)
if node.encoding:
args += ", encoding=%s" % repr(node.encoding)
if node.transform:
args += ", transform=%s" % repr(node.transform)
if node.description:
args += ", description=%s" % repr(node.description)
if node.fields:
fields_repr = ', '.join(_to_repr(item) for item in node.fields)
args += ", fields=[%s]" % fields_repr
return "Link(%s)" % args
elif isinstance(node, Field):
args = repr(node.name)
if not node.required and not node.location:
return args
if node.required:
args += ', required=True'
if node.location:
args += ', location=%s' % repr(node.location)
if node.schema:
args += ', schema=%s' % repr(node.schema)
return 'Field(%s)' % args
return repr(node)
class PythonCodec(BaseCodec):
"""
A Python representation of a Document, for use with '__repr__'.
"""
media_type = 'text/python'
def encode(self, document, **options):
# Object and Array only have the class name wrapper if they
# are the outermost element.
if isinstance(document, Object):
return 'Object(%s)' % _to_repr(document)
elif isinstance(document, Array):
return 'Array(%s)' % _to_repr(document)
return _to_repr(document)