Example #1
0
 def with_fallback(path1, path2, source=None):
     if are_same_binaries(path1, path2):
         return []
     try:
         inside_differences = original_function(path1, path2, source)
         # no differences detected inside? let's at least do a binary diff
         if len(inside_differences) == 0:
             difference = compare_binary_files(path1, path2, source=source)[0]
             difference.comment = (difference.comment or '') + \
                 "No differences found inside, yet data differs"
         else:
             difference = Difference(None, path1, path2, source=source)
             difference.add_details(inside_differences)
     except subprocess.CalledProcessError as e:
         difference = compare_binary_files(path1, path2, source=source)[0]
         output = re.sub(r'^', '    ', e.output, flags=re.MULTILINE)
         cmd = ' '.join(e.cmd)
         difference.comment = (difference.comment or '') + \
             "Command `%s` exited with %d. Output:\n%s" \
             % (cmd, e.returncode, output)
     except RequiredToolNotFound as e:
         difference = compare_binary_files(path1, path2, source=source)[0]
         difference.comment = (difference.comment or '') + \
             "'%s' not available in path. Falling back to binary comparison." % e.command
         package = e.get_package()
         if package:
             difference.comment += "\nInstall '%s' to get a better output." % package
     return [difference]
Example #2
0
 def with_fallback(path1, path2, source=None):
     if are_same_binaries(path1, path2):
         return []
     try:
         inside_differences = original_function(path1, path2, source)
         # no differences detected inside? let's at least do a binary diff
         if len(inside_differences) == 0:
             difference = compare_binary_files(path1, path2,
                                               source=source)[0]
             difference.comment = (difference.comment or '') + \
                 "No differences found inside, yet data differs"
         else:
             difference = Difference(None, path1, path2, source=source)
             difference.add_details(inside_differences)
     except subprocess.CalledProcessError as e:
         difference = compare_binary_files(path1, path2, source=source)[0]
         output = re.sub(r'^', '    ', e.output, flags=re.MULTILINE)
         cmd = ' '.join(e.cmd)
         difference.comment = (difference.comment or '') + \
             "Command `%s` exited with %d. Output:\n%s" \
             % (cmd, e.returncode, output)
     except RequiredToolNotFound as e:
         difference = compare_binary_files(path1, path2, source=source)[0]
         difference.comment = (difference.comment or '') + \
             "'%s' not available in path. Falling back to binary comparison." % e.command
         package = e.get_package()
         if package:
             difference.comment += "\nInstall '%s' to get a better output." % package
     return [difference]
Example #3
0
 def compare_rpm_files(path1, path2, source=None):
     logger.info("Python rpm module not found.")
     difference = compare_binary_files(path1, path2, source)
     if difference:
         difference.comment = (difference.comment or '') + \
             '\nUnable to find Python rpm module. Falling back to binary comparison.'
     return difference
Example #4
0
def compare_text_files(path1, path2, encoding=None, source=None):
    if encoding is None:
        encoding = 'utf-8'
    try:
        file1 = codecs.open(path1, 'r', encoding=encoding)
        file2 = codecs.open(path2, 'r', encoding=encoding)
        return Difference.from_file(file1, file2, path1, path2, source)
    except (LookupError, UnicodeDecodeError):
        # unknown or misdetected encoding
        return compare_binary_files(path1, path2, source)
Example #5
0
def compare_unknown(path1, path2, source=None):
    logger.debug("compare unknown path: %s and %s", path1, path2)
    mime_type1 = guess_mime_type(path1)
    mime_type2 = guess_mime_type(path2)
    logger.debug("mime_type1: %s | mime_type2: %s", mime_type1, mime_type2)
    if mime_type1.startswith('text/') and mime_type2.startswith('text/'):
        encodings1 = re.findall(r'; charset=([^ ]+)', mime_type1)
        encodings2 = re.findall(r'; charset=([^ ]+)', mime_type2)
        if len(encodings1) > 0 and encodings1 == encodings2:
            encoding = encodings1[0]
        else:
            encoding = None
        return compare_text_files(path1, path2, encoding, source)
    return compare_binary_files(path1, path2, source)
Example #6
0
def compare_unknown(path1, path2, source=None):
    logger.debug("compare unknown path: %s and %s", path1, path2)
    mime_type1 = guess_mime_type(path1)
    mime_type2 = guess_mime_type(path2)
    logger.debug("mime_type1: %s | mime_type2: %s", mime_type1, mime_type2)
    if mime_type1.startswith('text/') and mime_type2.startswith('text/'):
        encodings1 = re.findall(r'; charset=([^ ]+)', mime_type1)
        encodings2 = re.findall(r'; charset=([^ ]+)', mime_type2)
        if len(encodings1) > 0 and encodings1 == encodings2:
            encoding = encodings1[0]
        else:
            encoding = None
        return compare_text_files(path1, path2, encoding, source)
    return compare_binary_files(path1, path2, source)
Example #7
0
def test_compare_without_xxd(xxd_not_found):
    difference = compare_binary_files(TEST_FILE1_PATH, TEST_FILE2_PATH)
    expected_diff = open(os.path.join(os.path.dirname(__file__), '../data/binary_hexdump_expected_diff')).read()
    assert difference.unified_diff == expected_diff
Example #8
0
def test_no_differences_without_xxd(xxd_not_found):
    difference = compare_binary_files(TEST_FILE1_PATH, TEST_FILE1_PATH)
    assert difference is None
Example #9
0
def test_no_differences_with_xxd():
    difference = compare_binary_files(TEST_FILE1_PATH, TEST_FILE1_PATH)
    assert difference is None