/
error.pyx
111 lines (88 loc) · 2.93 KB
/
error.pyx
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
109
110
111
"""0MQ Error classes and functions."""
#
# Copyright (c) 2010-2011 Brian E. Granger & Min Ragan-Kelley
#
# This file is part of pyzmq.
#
# pyzmq is free software; you can redistribute it and/or modify it under
# the terms of the Lesser GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# pyzmq is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Lesser GNU General Public License for more details.
#
# You should have received a copy of the Lesser GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
# allow const char*
cdef extern from *:
ctypedef char* const_char_ptr "const char*"
from libzmq cimport zmq_strerror, zmq_errno
from zmq.utils.strtypes import bytes
def strerror(errnum):
"""strerror(errnum)
Return the error string given the error number.
"""
cdef const_char_ptr str_e
# char * will be a bytes object:
with nogil:
str_e = zmq_strerror(errnum)
if str is bytes:
# Python 2: str is bytes, so we already have the right type
return str_e
else:
# Python 3: decode bytes to unicode str
return str_e.decode()
class ZMQBaseError(Exception):
"""Base exception class for 0MQ errors in Python."""
pass
class ZMQError(ZMQBaseError):
"""Wrap an errno style error.
Parameters
----------
error : int
The ZMQ errno or None. If None, then ``zmq_errno()`` is called and
used.
"""
def __init__(self, error=None):
"""Wrap an errno style error.
Parameters
----------
error : int
The ZMQ errno or None. If None, then ``zmq_errno()`` is called and
used.
"""
cdef int errno
if error is None:
with nogil:
errno = zmq_errno()
error = errno
if type(error) == int:
self.strerror = strerror(error)
self.errno = error
else:
self.strerror = str(error)
self.errno = None
def __str__(self):
return self.strerror
class ZMQBindError(ZMQBaseError):
"""An error for ``Socket.bind_to_random_port()``.
See Also
--------
.Socket.bind_to_random_port
"""
pass
class NotDone(ZMQBaseError):
"""Raised when timeout is reached while waiting for 0MQ to finish with a Message
See Also
--------
.MessageTracker.wait : object for tracking when ZeroMQ is done
"""
pass
__all__ = ['strerror', 'ZMQBaseError', 'ZMQBindError', 'ZMQError', 'NotDone']