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#!/usr/bin/env python3
# Copyright 2015 The PDFium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import common
import pngdiffer
class Suppressor:
def __init__(self, finder, features, js_disabled, xfa_disabled):
self.has_v8 = not js_disabled and 'V8' in features
self.has_xfa = not js_disabled and not xfa_disabled and 'XFA' in features
self.has_skia = 'SKIA' in features
self.suppression_set = self._LoadSuppressedSet('SUPPRESSIONS', finder)
self.image_suppression_set = self._LoadSuppressedSet(
'SUPPRESSIONS_IMAGE_DIFF', finder)
self.exact_matching_suppression_set = self._LoadSuppressedSet(
'SUPPRESSIONS_EXACT_MATCHING', finder)
def _LoadSuppressedSet(self, suppressions_filename, finder):
v8_option = "v8" if self.has_v8 else "nov8"
xfa_option = "xfa" if self.has_xfa else "noxfa"
rendering_option = "skia" if self.has_skia else "agg"
with open(os.path.join(finder.TestingDir(), suppressions_filename)) as f:
return set(
self._FilterSuppressions(common.os_name(), v8_option,
xfa_option, rendering_option,
self._ExtractSuppressions(f)))
def _ExtractSuppressions(self, f):
return [
y.split(' ') for y in [x.split('#')[0].strip()
for x in f.readlines()] if y
]
def _FilterSuppressions(self, os_name, js, xfa, rendering_option,
unfiltered_list):
return [
x[0]
for x in unfiltered_list
if self._MatchSuppression(x, os_name, js, xfa, rendering_option)
]
def _MatchSuppression(self, item, os_name, js, xfa, rendering_option):
os_column = item[1].split(",")
js_column = item[2].split(",")
xfa_column = item[3].split(",")
rendering_option_column = item[4].split(",")
return (('*' in os_column or os_name in os_column) and
('*' in js_column or js in js_column) and
('*' in xfa_column or xfa in xfa_column) and
('*' in rendering_option_column or
rendering_option in rendering_option_column))
def IsResultSuppressed(self, input_filename):
if input_filename in self.suppression_set:
print("%s result is suppressed" % input_filename)
return True
return False
def IsExecutionSuppressed(self, input_filepath):
if "xfa_specific" in input_filepath and not self.has_xfa:
print("%s execution is suppressed" % input_filepath)
return True
return False
def IsImageDiffSuppressed(self, input_filename):
if input_filename in self.image_suppression_set:
print("%s image diff comparison is suppressed" % input_filename)
return True
return False
def GetImageMatchingAlgorithm(self, input_filename):
if input_filename in self.exact_matching_suppression_set:
print(f"{input_filename} image diff comparison is fuzzy")
return pngdiffer.FUZZY_MATCHING
return pngdiffer.EXACT_MATCHING
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