Viewing file:  hotfix.py (3.37 KB) -rw-r--r--
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import inspect
class NoSuchHotfix(Exception):
"""
Man you must be pretty stupid.
"""
_alreadyInstalled = set()
def require(packageName, fixName):
if (packageName, fixName) in _alreadyInstalled:
return
if (packageName, fixName) == ('twisted', 'filepath_copyTo'):
from twisted.python import filepath
if filepath.FilePath('a') != filepath.FilePath('a'):
from epsilon.hotfixes import filepath_copyTo
filepath_copyTo.install()
elif (packageName, fixName) == ('twisted', 'timeoutmixin_calllater'):
from twisted.protocols import policies
if not hasattr(policies.TimeoutMixin, 'callLater'):
from epsilon.hotfixes import timeoutmixin_calllater
timeoutmixin_calllater.install()
elif (packageName, fixName) == ('twisted', 'delayedcall_seconds'):
from twisted.internet import base
args = inspect.getargs(base.DelayedCall.__init__.func_code)[0]
if 'seconds' not in args:
from epsilon.hotfixes import delayedcall_seconds
delayedcall_seconds.install()
elif (packageName, fixName) == ('twisted', 'deferredgenerator_tfailure'):
from twisted.internet import defer
result = []
def test():
d = defer.waitForDeferred(defer.succeed(1))
yield d
result.append(d.getResult())
defer.deferredGenerator(test)()
if result == [1]:
from epsilon.hotfixes import deferredgenerator_tfailure
deferredgenerator_tfailure.install()
else:
assert result == [None]
elif (packageName, fixName) == ("twisted", "proto_helpers_stringtransport"):
from twisted.test.proto_helpers import StringTransport
st = StringTransport()
try:
st.write(u'foo')
except TypeError, e:
pass
else:
from epsilon.hotfixes import proto_helpers_stringtransport
proto_helpers_stringtransport.install()
elif (packageName, fixName) == ("twisted", "internet_task_Clock"):
from twisted.internet.task import Clock
from twisted.internet import base
from twisted import version
from epsilon.hotfixes import internet_task_clock
if internet_task_clock.clockIsBroken():
internet_task_clock.install()
elif (packageName, fixName) == ("twisted", "trial_assertwarns"):
from twisted.trial.unittest import TestCase
if not hasattr(TestCase, "failUnlessWarns"):
from epsilon.hotfixes import trial_assertwarns
trial_assertwarns.install()
elif (packageName, fixName) == ("twisted", "plugin_package_paths"):
try:
from twisted.plugin import pluginPackagePaths
except ImportError:
from epsilon.hotfixes import plugin_package_paths
plugin_package_paths.install()
elif (packageName, fixName) == ("twisted", "loopbackasync_reentrancy"):
# This one is really hard to detect reasonably. Invoking the code
# involves triggering the reactor, which it would be good to avoid.
from twisted import version
if (version.major, version.minor) < (8, 2):
from epsilon.hotfixes import loopbackasync_reentrancy
loopbackasync_reentrancy.install()
else:
raise NoSuchHotfix(packageName, fixName)
_alreadyInstalled.add((packageName, fixName))
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