Chris B
106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
from __future__ import unicode_literals
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import weakref
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from datetime import date, datetime
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from functools import wraps
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from ..compat import string_types, quote, PY2
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# parts of URL to be omitted
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SKIP_IN_PATH = (None, "", b"", [], ())
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def _escape(value):
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"""
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Escape a single value of a URL string or a query parameter. If it is a list
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or tuple, turn it into a comma-separated string first.
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"""
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# make sequences into comma-separated stings
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if isinstance(value, (list, tuple)):
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value = ",".join(value)
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# dates and datetimes into isoformat
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elif isinstance(value, (date, datetime)):
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value = value.isoformat()
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# make bools into true/false strings
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elif isinstance(value, bool):
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value = str(value).lower()
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# don't decode bytestrings
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elif isinstance(value, bytes):
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return value
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# encode strings to utf-8
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if isinstance(value, string_types):
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if PY2 and isinstance(value, unicode):
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return value.encode("utf-8")
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if not PY2 and isinstance(value, str):
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return value.encode("utf-8")
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return str(value)
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def _make_path(*parts):
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"""
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Create a URL string from parts, omit all `None` values and empty strings.
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Convert lists and tuples to comma separated values.
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"""
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# TODO: maybe only allow some parts to be lists/tuples ?
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return "/" + "/".join(
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# preserve ',' and '*' in url for nicer URLs in logs
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quote(_escape(p), b",*")
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for p in parts
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if p not in SKIP_IN_PATH
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)
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# parameters that apply to all methods
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GLOBAL_PARAMS = ("pretty", "human", "error_trace", "format", "filter_path")
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def query_params(*es_query_params):
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"""
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Decorator that pops all accepted parameters from method's kwargs and puts
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them in the params argument.
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"""
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def _wrapper(func):
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@wraps(func)
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def _wrapped(*args, **kwargs):
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params = {}
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if "params" in kwargs:
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params = kwargs.pop("params").copy()
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for p in es_query_params + GLOBAL_PARAMS:
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if p in kwargs:
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v = kwargs.pop(p)
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if v is not None:
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params[p] = _escape(v)
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# don't treat ignore and request_timeout as other params to avoid escaping
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for p in ("ignore", "request_timeout"):
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if p in kwargs:
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params[p] = kwargs.pop(p)
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return func(*args, params=params, **kwargs)
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return _wrapped
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return _wrapper
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class NamespacedClient(object):
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def __init__(self, client):
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self.client = client
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@property
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def transport(self):
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return self.client.transport
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class AddonClient(NamespacedClient):
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@classmethod
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def infect_client(cls, client):
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addon = cls(weakref.proxy(client))
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setattr(client, cls.namespace, addon)
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return client
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