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import shutil |
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from subprocess import Popen, PIPE |
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from coalib.bears.LocalBear import LocalBear |
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from coalib.results.Diff import Diff |
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from coalib.results.RESULT_SEVERITY import RESULT_SEVERITY |
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from coalib.results.Result import Result |
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class CorrectionBasedBear(LocalBear): |
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SEVERITY = RESULT_SEVERITY.NORMAL |
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GET_REPLACEMENT = (lambda self, file, cli_options: |
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self.__run_process(file, cli_options)) |
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def __run_process(self, file, cli_options): |
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process = Popen(self.BINARY + ' ' + cli_options, |
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shell=True, |
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stdin=PIPE, |
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stdout=PIPE, |
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stderr=PIPE, |
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universal_newlines=True) |
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process.stdin.writelines(file) |
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process.stdin.close() |
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process.wait() |
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corrected = process.stdout.readlines() |
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errors = process.stderr.readlines() |
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process.stdout.close() |
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process.stderr.close() |
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return corrected, errors |
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@staticmethod |
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def __yield_diffs(file, new_file): |
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if new_file != file: |
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wholediff = Diff.from_string_arrays(file, new_file) |
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for diff in wholediff.split_diff(): |
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yield diff |
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def __print_errors(self, errors): |
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for line in filter(lambda error: bool(error.strip()), errors): |
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self.warn(line) |
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def retrieve_results(self, filename, file, **kwargs): |
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""" |
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Yields results using the self.GET_REPLACEMENT function. |
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:param filename: The filename, just pass it over as you got it! |
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:param file: The file, just pass it over as you got it! |
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:param kwargs: Any keyword arguments that will be passed to the |
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GET_REPLACEMENT function. Please provide cli_options |
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if you don't override the default. |
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""" |
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new_file, errors = self.GET_REPLACEMENT(file=file, **kwargs) |
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self.__print_errors(errors) |
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for diff in self.__yield_diffs(file, new_file): |
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yield Result( |
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self, |
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self.RESULT_MESSAGE, |
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affected_code=(diff.range(filename),), |
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diffs={filename: diff}, |
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severity=self.SEVERITY) |
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@classmethod |
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def check_prerequisites(cls): |
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try: |
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if shutil.which(cls.BINARY) is None: |
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return repr(cls.BINARY) + " is not installed." |
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else: |
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return True |
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except AttributeError: |
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# Happens when `BINARY` does not exist in `cls`. |
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return True |
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coala-analyzer /
coala
