Industrial Organization and Non-profit Economics

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<type 'exceptions.IOError'>

Python 2.7.13: /usr/bin/python Sun Aug 7 18:24:06 2022

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/var/www/sites/tools/export/export.py in ()

105         t.encode("utf-8"))

106

=>  107     tmp = urllib.urlopen(q)

108

109     resp = eval( urllib.urlopen(q).read() )

tmp undefined, urllib = <module 'urllib' from '/usr/lib/python2.7/urllib.pyc'>, urllib.urlopen = <function urlopen>, q = 'https://dial.uclouvain.be/solr/repository/select...de%20p%C3%A9riodique%20%28Journal%20article%29%22'

/usr/lib/python2.7/urllib.py in urlopen(url='https://dial.uclouvain.be/solr/repository/select...de%20p%C3%A9riodique%20%28Journal%20article%29%22', data=None, proxies=None, context=None)

85         opener = _urlopener

86     if data is None:

=>   87         return opener.open(url)

88     else:

89         return opener.open(url, data)

opener = <urllib.FancyURLopener instance>, opener.open = <bound method FancyURLopener.open of <urllib.FancyURLopener instance>>, url = 'https://dial.uclouvain.be/solr/repository/select...de%20p%C3%A9riodique%20%28Journal%20article%29%22'

/usr/lib/python2.7/urllib.py in open(self=<urllib.FancyURLopener instance>, fullurl='https://dial.uclouvain.be/solr/repository/select...de%20p%C3%A9riodique%20%28Journal%20article%29%22', data=None)

211         try:

212             if data is None:

=>  213                 return getattr(self, name)(url)

214             else:

215                 return getattr(self, name)(url, data)

builtin getattr = <built-in function getattr>, self = <urllib.FancyURLopener instance>, name = 'open_https', url = '//dial.uclouvain.be/solr/repository/select?&star...de%20p%C3%A9riodique%20%28Journal%20article%29%22'

/usr/lib/python2.7/urllib.py in open_https(self=<urllib.FancyURLopener instance>, url='//dial.uclouvain.be/solr/repository/select?&star...de%20p%C3%A9riodique%20%28Journal%20article%29%22', data=None)

441             if realhost: h.putheader('Host', realhost)

442             for args in self.addheaders: h.putheader(*args)

=>  443             h.endheaders(data)

444             errcode, errmsg, headers = h.getreply()

445             fp = h.getfile()

h = <httplib.HTTPS instance>, h.endheaders = <bound method HTTPSConnection.endheaders of <httplib.HTTPSConnection instance>>, data = None

/usr/lib/python2.7/httplib.py in endheaders(self=<httplib.HTTPSConnection instance>, message_body=None)

1036         else:

1037             raise CannotSendHeader()

=> 1038         self._send_output(message_body)

1039

1040     def request(self, method, url, body=None, headers={}):

self = <httplib.HTTPSConnection instance>, self._send_output = <bound method HTTPSConnection._send_output of <httplib.HTTPSConnection instance>>, message_body = None

/usr/lib/python2.7/httplib.py in _send_output(self=<httplib.HTTPSConnection instance>, message_body=None)

880             msg += message_body

881             message_body = None

=>  882         self.send(msg)

883         if message_body is not None:

884             #message_body was not a string (i.e. it is a file) and

self = <httplib.HTTPSConnection instance>, self.send = <bound method HTTPSConnection.send of <httplib.HTTPSConnection instance>>, msg = 'GET /solr/repository/select?&start=0&rows=999999...\r\nUser-Agent: Python-urllib/1.17\r\nAccept: */*\r\n\r\n'

/usr/lib/python2.7/httplib.py in send(self=<httplib.HTTPSConnection instance>, data='GET /solr/repository/select?&start=0&rows=999999...\r\nUser-Agent: Python-urllib/1.17\r\nAccept: */*\r\n\r\n')

842         if self.sock is None:

843             if self.auto_open:

=>  844                 self.connect()

845             else:

846                 raise NotConnected()

self = <httplib.HTTPSConnection instance>, self.connect = <bound method HTTPSConnection.connect of <httplib.HTTPSConnection instance>>

/usr/lib/python2.7/httplib.py in connect(self=<httplib.HTTPSConnection instance>)

1261

1262             self.sock = self._context.wrap_socket(self.sock,

=> 1263                                                   server_hostname=server_hostname)

1264

1265     __all__.append("HTTPSConnection")

server_hostname = 'dial.uclouvain.be'

/usr/lib/python2.7/ssl.py in wrap_socket(self=<ssl.SSLContext object>, sock=<socket._socketobject object>, server_side=False, do_handshake_on_connect=True, suppress_ragged_eofs=True, server_hostname='dial.uclouvain.be')

361                          suppress_ragged_eofs=suppress_ragged_eofs,

362                          server_hostname=server_hostname,

=>  363                          _context=self)

364

365     def set_npn_protocols(self, npn_protocols):

_context undefined, self = <ssl.SSLContext object>

/usr/lib/python2.7/ssl.py in __init__(self=<ssl.SSLSocket object>, sock=<socket._socketobject object>, keyfile=None, certfile=None, server_side=False, cert_reqs=0, ssl_version=2, ca_certs=None, do_handshake_on_connect=True, family=2, type=1, proto=0, fileno=None, suppress_ragged_eofs=True, npn_protocols=None, ciphers=None, server_hostname='dial.uclouvain.be', _context=<ssl.SSLContext object>)

609                         # non-blocking

610                         raise ValueError("do_handshake_on_connect should not be specified for non-blocking sockets")

=>  611                     self.do_handshake()

612

613             except (OSError, ValueError):

self = <ssl.SSLSocket object>, self.do_handshake = <bound method SSLSocket.do_handshake of <ssl.SSLSocket object>>

/usr/lib/python2.7/ssl.py in do_handshake(self=<ssl.SSLSocket object>, block=False)

838             if timeout == 0.0 and block:

839                 self.settimeout(None)

=>  840             self._sslobj.do_handshake()

841         finally:

842             self.settimeout(timeout)

self = <ssl.SSLSocket object>, self._sslobj = <_ssl._SSLSocket object>, self._sslobj.do_handshake = <built-in method do_handshake of _ssl._SSLSocket object>

<type 'exceptions.IOError'>: [Errno socket error] [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)
      args = ('socket error', SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)'))
      errno = 'socket error'
      filename = None
      message = ''
      strerror = SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)')