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import difflib |
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from pyprint.ConsolePrinter import ConsolePrinter |
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from coalib.results.Diff import ConflictError |
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from coalib.results.Result import Result |
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from coalib.results.result_actions.ResultAction import ResultAction |
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def format_line(line, real_nr="", sign="|", mod_nr="", symbol="", ): |
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return "|{:>4}{}{:>4}|{:1}{}".format(real_nr, |
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sign, |
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mod_nr, |
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symbol, |
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line.rstrip("\n")) |
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def print_beautified_diff(difflines, printer): |
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current_line_added = None |
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current_line_subtracted = None |
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for line in difflines: |
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if line.startswith("@@"): |
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values = line[line.find("-"):line.rfind(" ")] |
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subtracted, added = tuple(values.split(" ")) |
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current_line_added = int(added.split(",")[0][1:]) |
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current_line_subtracted = int(subtracted.split(",")[0][1:]) |
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elif line.startswith("---"): |
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printer.print(format_line(line[4:], real_nr="----"), color="red") |
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elif line.startswith("+++"): |
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printer.print(format_line(line[4:], mod_nr="++++"), |
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color="green") |
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elif line.startswith("+"): |
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printer.print(format_line(line[1:], |
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mod_nr=current_line_added, |
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symbol="+"), |
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color="green") |
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current_line_added += 1 |
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elif line.startswith("-"): |
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printer.print(format_line(line[1:], |
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real_nr=current_line_subtracted, |
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symbol="-"), |
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color="red") |
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current_line_subtracted += 1 |
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else: |
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printer.print(format_line(line[1:], |
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real_nr=current_line_subtracted, |
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mod_nr=current_line_added, |
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symbol=" ")) |
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current_line_subtracted += 1 |
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current_line_added += 1 |
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class ShowPatchAction(ResultAction): |
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success_message = "Displayed patch successfully." |
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@staticmethod |
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def is_applicable(result, original_file_dict, file_diff_dict): |
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if not isinstance(result, Result) or not result.diffs: |
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return False |
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try: |
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for filename in result.diffs: |
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if filename in file_diff_dict: |
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result.diffs[filename].__add__(file_diff_dict[filename]) |
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return True |
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except ConflictError: |
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return False |
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def apply(self, |
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result, |
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original_file_dict, |
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file_diff_dict, |
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colored: bool=True): |
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''' |
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Print a diff of the patch that would be applied. |
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:param colored: Wether or not to use colored output. |
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''' |
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printer = ConsolePrinter(colored) |
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for filename, this_diff in sorted(result.diffs.items()): |
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original_file = original_file_dict[filename] |
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try: |
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current_file = file_diff_dict[filename].modified |
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new_file = (file_diff_dict[filename] + this_diff).modified |
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except KeyError: |
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current_file = original_file |
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new_file = this_diff.modified |
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91
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print_beautified_diff(difflib.unified_diff(current_file, |
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new_file, |
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fromfile=filename, |
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tofile=filename), |
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printer) |
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return file_diff_dict |
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coala-analyzer /
coala
