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import logging
import unittest, os
from nose.plugins import Plugin
import sys
from coverage.testplugin import CoverageTestWrapper, options as coverage_opts
log = logging.getLogger(__name__)
class Coverage(Plugin):
"""
Activate a coverage report using Ned Batchelder's coverage module.
"""
name = "coverage_new"
score = 1
status = {}
def options(self, parser, env):
"""
Add options to command line.
"""
Plugin.options(self, parser, env)
for opt in coverage_opts:
parser.add_option(opt)
def configure(self, options, config):
"""
Configure plugin.
"""
try:
self.status.pop('active')
except KeyError:
pass
Plugin.configure(self, options, config)
if self.enabled:
try:
import coverage
except ImportError:
log.error("Coverage not available: "
"unable to import coverage module")
self.enabled = False
return
self.config = config
self.status['active'] = True
self.options = options
def begin(self):
"""
Begin recording coverage information.
"""
log.debug("Coverage begin")
# Load the runner and start it up
self.coverage = CoverageTestWrapper(self.options)
self.coverage.start()
def report(self, stream):
"""
Output code coverage report.
"""
log.debug("Coverage report")
stream.write("Processing Coverage...")
# finish up with coverage
self.coverage.finish(stream)
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