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105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
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# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
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"""Reporter foundation for coverage.py."""
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import os
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import warnings
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from coverage.files import prep_patterns, FnmatchMatcher
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from coverage.misc import CoverageException, NoSource, NotPython, isolate_module
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os = isolate_module(os)
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class Reporter(object):
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"""A base class for all reporters."""
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def __init__(self, coverage, config):
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"""Create a reporter.
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`coverage` is the coverage instance. `config` is an instance of
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CoverageConfig, for controlling all sorts of behavior.
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"""
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self.coverage = coverage
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self.config = config
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# The directory into which to place the report, used by some derived
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# classes.
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self.directory = None
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# Our method find_file_reporters used to set an attribute that other
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# code could read. That's been refactored away, but some third parties
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# were using that attribute. We'll continue to support it in a noisy
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# way for now.
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self._file_reporters = []
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@property
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def file_reporters(self):
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"""Keep .file_reporters working for private-grabbing tools."""
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warnings.warn(
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"Report.file_reporters will no longer be available in Coverage.py 4.2",
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DeprecationWarning,
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)
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return self._file_reporters
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def find_file_reporters(self, morfs):
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"""Find the FileReporters we'll report on.
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`morfs` is a list of modules or file names.
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Returns a list of FileReporters.
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"""
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reporters = self.coverage._get_file_reporters(morfs)
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if self.config.report_include:
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matcher = FnmatchMatcher(prep_patterns(self.config.report_include))
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reporters = [fr for fr in reporters if matcher.match(fr.filename)]
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if self.config.report_omit:
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matcher = FnmatchMatcher(prep_patterns(self.config.report_omit))
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reporters = [fr for fr in reporters if not matcher.match(fr.filename)]
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self._file_reporters = sorted(reporters)
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return self._file_reporters
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def report_files(self, report_fn, morfs, directory=None):
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"""Run a reporting function on a number of morfs.
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`report_fn` is called for each relative morf in `morfs`. It is called
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as::
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report_fn(file_reporter, analysis)
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where `file_reporter` is the `FileReporter` for the morf, and
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`analysis` is the `Analysis` for the morf.
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"""
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file_reporters = self.find_file_reporters(morfs)
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if not file_reporters:
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raise CoverageException("No data to report.")
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self.directory = directory
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if self.directory and not os.path.exists(self.directory):
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os.makedirs(self.directory)
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for fr in file_reporters:
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try:
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report_fn(fr, self.coverage._analyze(fr))
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except NoSource:
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if not self.config.ignore_errors:
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raise
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except NotPython:
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# Only report errors for .py files, and only if we didn't
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# explicitly suppress those errors.
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# NotPython is only raised by PythonFileReporter, which has a
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# should_be_python() method.
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if fr.should_be_python():
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if self.config.ignore_errors:
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self.coverage._warn("Could not parse Python file {0}".format(fr.filename))
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else:
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raise
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