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# -*- coding: utf-8 -*-
# vi:ts=4:et
import tempfile
import sys, socket
import time as _time
import functools
import unittest
py3 = sys.version_info[0] == 3
# python 2/3 compatibility
if py3:
from io import StringIO, BytesIO
# borrowed from six
def b(s):
'''Byte literal'''
return s.encode("latin-1")
def u(s):
'''Text literal'''
return s
text_type = str
binary_type = bytes
long_int = int
else:
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
BytesIO = StringIO
# pyflakes workaround
# https://github.com/kevinw/pyflakes/issues/13
# https://bugs.launchpad.net/pyflakes/+bug/1308508/comments/3
if False:
unicode = object
# borrowed from six
def b(s):
'''Byte literal'''
return s
# Workaround for standalone backslash
def u(s):
'''Text literal'''
return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape")
text_type = unicode
binary_type = str
if False:
# pacify pyflakes
long = int
long_int = long
def version_less_than_spec(version_tuple, spec_tuple):
# spec_tuple may have 2 elements, expect version_tuple to have 3 elements
assert len(version_tuple) >= len(spec_tuple)
for i in range(len(spec_tuple)):
if version_tuple[i] < spec_tuple[i]:
return True
if version_tuple[i] > spec_tuple[i]:
return False
return False
def pycurl_version_less_than(*spec):
import pycurl
version = [int(part) for part in pycurl.version_info()[1].split('-')[0].split('.')]
return version_less_than_spec(version, spec)
def only_python2(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if sys.version_info[0] >= 3:
raise unittest.SkipTest('python >= 3')
return fn(*args, **kwargs)
return decorated
def only_python3(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if sys.version_info[0] < 3:
raise unittest.SkipTest('python < 3')
return fn(*args, **kwargs)
return decorated
def min_python(major, minor):
def decorator(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if sys.version_info[0:2] < (major, minor):
raise unittest.SkipTest('python < %d.%d' % (major, minor))
return fn(*args, **kwargs)
return decorated
return decorator
def min_libcurl(major, minor, patch):
def decorator(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if pycurl_version_less_than(major, minor, patch):
raise unittest.SkipTest('libcurl < %d.%d.%d' % (major, minor, patch))
return fn(*args, **kwargs)
return decorated
return decorator
def removed_in_libcurl(major, minor, patch):
def decorator(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if not pycurl_version_less_than(major, minor, patch):
raise unittest.SkipTest('libcurl >= %d.%d.%d' % (major, minor, patch))
return fn(*args, **kwargs)
return decorated
return decorator
def only_ssl(fn):
import pycurl
@functools.wraps(fn)
def decorated(*args, **kwargs):
# easier to check that pycurl supports https, although
# theoretically it is not the same test.
# pycurl.version_info()[8] is a tuple of protocols supported by libcurl
if 'https' not in pycurl.version_info()[8]:
raise unittest.SkipTest('libcurl does not support ssl')
return fn(*args, **kwargs)
return decorated
def only_telnet(fn):
import pycurl
@functools.wraps(fn)
def decorated(*args, **kwargs):
# pycurl.version_info()[8] is a tuple of protocols supported by libcurl
if 'telnet' not in pycurl.version_info()[8]:
raise unittest.SkipTest('libcurl does not support telnet')
return fn(*args, **kwargs)
return decorated
def only_ssl_backends(*backends):
def decorator(fn):
import pycurl
@functools.wraps(fn)
def decorated(*args, **kwargs):
# easier to check that pycurl supports https, although
# theoretically it is not the same test.
# pycurl.version_info()[8] is a tuple of protocols supported by libcurl
if 'https' not in pycurl.version_info()[8]:
raise unittest.SkipTest('libcurl does not support ssl')
# XXX move to pycurl library
if 'OpenSSL/' in pycurl.version:
current_backend = 'openssl'
elif 'GnuTLS/' in pycurl.version:
current_backend = 'gnutls'
elif 'NSS/' in pycurl.version:
current_backend = 'nss'
elif 'SecureTransport' in pycurl.version:
current_backend = 'secure-transport'
else:
current_backend = 'none'
if current_backend not in backends:
raise unittest.SkipTest('SSL backend is %s' % current_backend)
return fn(*args, **kwargs)
return decorated
return decorator
def only_ipv6(fn):
import pycurl
@functools.wraps(fn)
def decorated(*args, **kwargs):
if not pycurl.version_info()[4] & pycurl.VERSION_IPV6:
raise unittest.SkipTest('libcurl does not support ipv6')
return fn(*args, **kwargs)
return decorated
def only_unix(fn):
@functools.wraps(fn)
def decorated(*args, **kwargs):
if sys.platform == 'win32':
raise unittest.SkipTest('Unix only')
return fn(*args, **kwargs)
return decorated
def guard_unknown_libcurl_option(fn):
'''Converts curl error 48, CURLE_UNKNOWN_OPTION, into a SkipTest
exception. This is meant to be used with tests exercising libcurl
features that depend on external libraries, such as libssh2/gssapi,
where libcurl does not provide a way of detecting whether the
required libraries were compiled against.'''
import pycurl
@functools.wraps(fn)
def decorated(*args, **kwargs):
try:
return fn(*args, **kwargs)
except pycurl.error:
exc = sys.exc_info()[1]
# E_UNKNOWN_OPTION is available as of libcurl 7.21.5
if hasattr(pycurl, 'E_UNKNOWN_OPTION') and exc.args[0] == pycurl.E_UNKNOWN_OPTION:
raise unittest.SkipTest('CURLE_UNKNOWN_OPTION, skipping test')
return decorated
try:
create_connection = socket.create_connection
except AttributeError:
# python 2.5
def create_connection(netloc, timeout=None):
# XXX ipv4 only
s = socket.socket()
if timeout is not None:
s.settimeout(timeout)
s.connect(netloc)
return s
def wait_for_network_service(netloc, check_interval, num_attempts):
ok = False
for i in range(num_attempts):
try:
conn = create_connection(netloc, check_interval)
except socket.error:
#e = sys.exc_info()[1]
_time.sleep(check_interval)
else:
conn.close()
ok = True
break
return ok
def DefaultCurl():
import pycurl
curl = pycurl.Curl()
curl.setopt(curl.FORBID_REUSE, True)
return curl
def DefaultCurlLocalhost(port):
'''This is a default curl with localhost -> 127.0.0.1 name mapping
on windows systems, because they don't have it in the hosts file.
'''
curl = DefaultCurl()
if sys.platform == 'win32':
curl.setopt(curl.RESOLVE, ['localhost:%d:127.0.0.1' % port])
return curl
def with_real_write_file(fn):
@functools.wraps(fn)
def wrapper(*args):
with tempfile.NamedTemporaryFile() as f:
return fn(*(list(args) + [f.file]))
return wrapper
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