def run_diffoscope(parsed_args):
if not tlsh and Config.general.fuzzy_threshold != parsed_args.fuzzy_threshold:
logger.warning('Fuzzy-matching is currently disabled as the “tlsh” module is unavailable.')
Config.general.max_diff_block_lines = parsed_args.max_diff_block_lines
Config.general.max_diff_input_lines = parsed_args.max_diff_input_lines
Config.general.max_report_size = parsed_args.max_report_size
Config.general.separate_file_diff_size = parsed_args.separate_file_diff_size
Config.general.fuzzy_threshold = parsed_args.fuzzy_threshold
Config.general.new_file = parsed_args.new_file
if parsed_args.debug:
logger.setLevel(logging.DEBUG)
set_locale()
difference = diffoscope.comparators.compare_root_paths(
parsed_args.file1, parsed_args.file2)
if difference:
# no output desired? print text
if not any((parsed_args.text_output, parsed_args.html_output, parsed_args.html_output_directory)):
parsed_args.text_output = "-"
if parsed_args.html_output:
with make_printer(parsed_args.html_output) as print_func:
output_html(difference, css_url=parsed_args.css_url, print_func=print_func)
if parsed_args.html_output_directory:
output_html_directory(parsed_args.html_output_directory, difference, css_url=parsed_args.css_url, jquery_url=parsed_args.jquery_url)
if parsed_args.text_output:
with make_printer(parsed_args.text_output or '-') as print_func:
output_text(difference, print_func=print_func)
return 1
return 0
def run_diffoscope(parsed_args):
if not tlsh and Config.general.fuzzy_threshold != parsed_args.fuzzy_threshold:
logger.warning('Fuzzy-matching is currently disabled as the “tlsh” module is unavailable.')
Config.general.max_diff_block_lines = parsed_args.max_diff_block_lines
Config.general.max_diff_input_lines = parsed_args.max_diff_input_lines
Config.general.max_report_size = parsed_args.max_report_size
Config.general.separate_file_diff_size = parsed_args.separate_file_diff_size
Config.general.fuzzy_threshold = parsed_args.fuzzy_threshold
Config.general.new_file = parsed_args.new_file
if parsed_args.debug:
logger.setLevel(logging.DEBUG)
set_locale()
difference = diffoscope.comparators.compare_root_paths(
parsed_args.file1, parsed_args.file2)
if difference:
# no output desired? print text
if not any((parsed_args.text_output, parsed_args.html_output, parsed_args.html_output_directory)):
parsed_args.text_output = "-"
if parsed_args.html_output:
with make_printer(parsed_args.html_output) as print_func:
output_html(difference, css_url=parsed_args.css_url, print_func=print_func)
if parsed_args.html_output_directory:
output_html_directory(parsed_args.html_output_directory, difference, css_url=parsed_args.css_url, jquery_url=parsed_args.jquery_url)
if parsed_args.text_output:
with make_printer(parsed_args.text_output or '-') as print_func:
output_text(difference, print_func=print_func)
return 1
return 0
def output_html_directory(directory,
difference,
css_url=None,
jquery_url=None):
"""
Multi-file presenter. Writes to a directory, and puts large diff tables
into files of their own.
This uses jQuery. By default it uses /usr/share/javascript/jquery/jquery.js
(symlinked, so that you can still share the result over HTTP).
You can also pass --jquery URL to diffoscope to use a central jQuery copy.
"""
if not os.path.exists(directory):
os.makedirs(directory)
if not jquery_url:
jquery_symlink = os.path.join(directory, "jquery.js")
if os.path.exists(jquery_symlink):
jquery_url = "./jquery.js"
else:
if os.path.lexists(jquery_symlink):
os.unlink(jquery_symlink)
for path in JQUERY_SYSTEM_LOCATIONS:
if os.path.exists(path):
os.symlink("/usr/share/javascript/jquery/jquery.js",
jquery_symlink)
jquery_url = "./jquery.js"
break
if not jquery_url:
logger.warning(
'--jquery was not specified and jQuery was not found in any known location. Disabling on-demand inline loading.'
)
logger.debug('Locations searched: %s',
', '.join(JQUERY_SYSTEM_LOCATIONS))
if jquery_url == 'disable':
jquery_url = None
with file_printer(directory, "index.html") as print_func:
print_func = create_limited_print_func(print_func,
Config.general.max_report_size)
try:
output_header(css_url, print_func)
output_difference(difference, print_func, css_url, directory, [])
except PrintLimitReached:
logger.debug('print limit reached')
print_func(u"<div class='error'>Max output size reached.</div>",
force=True)
if jquery_url:
print_func(SCRIPTS % {'jquery_url': escape(jquery_url)},
force=True)
output_footer(print_func)
def entries(self, path):
# We pass `-d ''` in order to get a listing with the names we actually
# need to use when extracting files
cmd = ['unsquashfs', '-d', '', '-lls', path]
output = subprocess.check_output(cmd, shell=False).decode('utf-8')
header = True
for line in output.rstrip('\n').split('\n'):
if header:
if line == '':
header = False
continue
if len(line) > 0 and line[0] in SQUASHFS_LS_MAPPING:
yield SQUASHFS_LS_MAPPING[line[0]](self, line)
else:
logger.warning('Unknown squashfs entry: %s', line)
def entries(self, path):
# We pass `-d ''` in order to get a listing with the names we actually
# need to use when extracting files
cmd = ['unsquashfs', '-d', '', '-lls', path]
output = subprocess.check_output(cmd, shell=False).decode('utf-8')
header = True
for line in output.rstrip('\n').split('\n'):
if header:
if line == '':
header = False
continue
if len(line) > 0 and line[0] in SQUASHFS_LS_MAPPING:
try:
cls = SQUASHFS_LS_MAPPING[line[0]]
yield cls, cls.parse(line)
except SquashfsInvalidLineFormat:
logger.warning('Invalid squashfs entry: %s', line)
else:
logger.warning('Unknown squashfs entry: %s', line)
def output_html_directory(directory, difference, css_url=None, jquery_url=None):
"""
Multi-file presenter. Writes to a directory, and puts large diff tables
into files of their own.
This uses jQuery. By default it uses /usr/share/javascript/jquery/jquery.js
(symlinked, so that you can still share the result over HTTP).
You can also pass --jquery URL to diffoscope to use a central jQuery copy.
"""
if not os.path.exists(directory):
os.makedirs(directory)
if not jquery_url:
jquery_symlink = os.path.join(directory, "jquery.js")
if os.path.exists(jquery_symlink):
jquery_url = "./jquery.js"
else:
if os.path.lexists(jquery_symlink):
os.unlink(jquery_symlink)
for path in JQUERY_SYSTEM_LOCATIONS:
if os.path.exists(path):
os.symlink("/usr/share/javascript/jquery/jquery.js", jquery_symlink)
jquery_url = "./jquery.js"
break
if not jquery_url:
logger.warning('--jquery was not specified and jQuery was not found in any known location. Disabling on-demand inline loading.')
logger.debug('Locations searched: %s', ', '.join(JQUERY_SYSTEM_LOCATIONS))
if jquery_url == 'disable':
jquery_url = None
with file_printer(directory, "index.html") as print_func:
print_func = create_limited_print_func(print_func, Config.general.max_report_size)
try:
output_header(css_url, print_func)
output_difference(difference, print_func, css_url, directory, [])
except PrintLimitReached:
logger.debug('print limit reached')
print_func(u"<div class='error'>Max output size reached.</div>",
force=True)
if jquery_url:
print_func(SCRIPTS % {'jquery_url': escape(jquery_url)}, force=True)
output_footer(print_func)
def compare_meta(path1, path2):
logger.debug('compare_meta(%s, %s)', path1, path2)
differences = []
try:
differences.append(Difference.from_command(Stat, path1, path2))
except RequiredToolNotFound:
logger.warning("'stat' not found! Is PATH wrong?")
if os.path.islink(path1) or os.path.islink(path2):
return [d for d in differences if d is not None]
try:
lsattr1 = lsattr(path1)
lsattr2 = lsattr(path2)
differences.append(Difference.from_text(
lsattr1, lsattr2, path1, path2, source="lattr"))
except RequiredToolNotFound:
logger.info("Unable to find 'lsattr'.")
try:
differences.append(Difference.from_command(Getfacl, path1, path2))
except RequiredToolNotFound:
logger.info("Unable to find 'getfacl'.")
return [d for d in differences if d is not None]
