/usr/lib/python2.7/dist-packages/wsmeext/flask.py is in python-wsme 0.9.2-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | from __future__ import absolute_import
import functools
import logging
import sys
import inspect
import wsme
import wsme.api
import wsme.rest.json
import wsme.rest.xml
import wsme.rest.args
from wsme.utils import is_valid_code
import flask
log = logging.getLogger(__name__)
TYPES = {
'application/json': wsme.rest.json,
'application/xml': wsme.rest.xml,
'text/xml': wsme.rest.xml
}
def get_dataformat():
if 'Accept' in flask.request.headers:
for t in TYPES:
if t in flask.request.headers['Accept']:
return TYPES[t]
# Look for the wanted data format in the request.
req_dataformat = getattr(flask.request, 'response_type', None)
if req_dataformat in TYPES:
return TYPES[req_dataformat]
log.info('''Could not determine what format is wanted by the
caller, falling back to json''')
return wsme.rest.json
def signature(*args, **kw):
sig = wsme.signature(*args, **kw)
def decorator(f):
args = inspect.getargspec(f)[0]
ismethod = args and args[0] == 'self'
sig(f)
funcdef = wsme.api.FunctionDefinition.get(f)
funcdef.resolve_types(wsme.types.registry)
@functools.wraps(f)
def wrapper(*args, **kwargs):
if ismethod:
self, args = args[0], args[1:]
args, kwargs = wsme.rest.args.get_args(
funcdef, args, kwargs,
flask.request.args, flask.request.form,
flask.request.data,
flask.request.mimetype
)
if funcdef.pass_request:
kwargs[funcdef.pass_request] = flask.request
dataformat = get_dataformat()
try:
if ismethod:
args = [self] + list(args)
result = f(*args, **kwargs)
# NOTE: Support setting of status_code with default 20
status_code = funcdef.status_code
if isinstance(result, wsme.api.Response):
status_code = result.status_code
result = result.obj
res = flask.make_response(
dataformat.encode_result(
result,
funcdef.return_type
)
)
res.mimetype = dataformat.content_type
res.status_code = status_code
except:
try:
exception_info = sys.exc_info()
orig_exception = exception_info[1]
orig_code = getattr(orig_exception, 'code', None)
data = wsme.api.format_exception(exception_info)
finally:
del exception_info
res = flask.make_response(dataformat.encode_error(None, data))
if data['faultcode'] == 'client':
res.status_code = 400
elif orig_code and is_valid_code(orig_code):
res.status_code = orig_code
else:
res.status_code = 500
return res
wrapper.wsme_func = f
return wrapper
return decorator
|