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#!/usr/bin/env python
# Copyright 2015 The PDFium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import datetime
import glob
import os
import re
import subprocess
import sys
def os_name():
if sys.platform.startswith('linux'):
return 'linux'
if sys.platform.startswith('win'):
return 'win'
if sys.platform.startswith('darwin'):
return 'mac'
raise Exception('Confused, can not determine OS, aborting.')
def RunCommand(cmd):
try:
subprocess.check_call(cmd)
return None
except subprocess.CalledProcessError as e:
return e
def RunCommandPropagateErr(cmd, stdout_has_errors=False,
exit_status_on_error=None):
"""Run a command as a subprocess.
Errors in that subprocess are printed out if it returns an error exit code.
Args:
cmd: Command to run as a list of strings.
stdout_has_errors: Whether to print stdout instead of stderr on an error
exit.
exit_status_on_error: If specified, upon an error in the subprocess the
caller script exits immediately with the given status.
"""
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, err = p.communicate()
if p.returncode:
PrintErr('\nError when invoking "%s"' % ' '.join(cmd))
if stdout_has_errors:
PrintErr(output)
PrintErr(err)
if exit_status_on_error is not None:
sys.exit(exit_status_on_error)
return None
return output
# RunCommandExtractHashedFiles returns a tuple: (raised_exception, hashed_files)
# It runs the given command. If it fails it will return an exception and None.
# If it succeeds it will return None and the list of processed files extracted
# from the output of the command. It expects lines in this format:
# MD5:<path_to_image_file>:<md5_hash_in_hex>
# The returned hashed_files is a list of (file_path, MD5-hash) pairs.
def RunCommandExtractHashedFiles(cmd):
try:
output = subprocess.check_output(cmd, universal_newlines=True)
ret = []
for line in output.split('\n'):
line = line.strip()
if line.startswith("MD5:"):
ret.append([x.strip() for x in line.lstrip("MD5:").rsplit(":", 1)])
return None, ret
except subprocess.CalledProcessError as e:
return e, None
class DirectoryFinder:
'''A class for finding directories and paths under either a standalone
checkout or a chromium checkout of PDFium.'''
def __init__(self, build_location):
# |build_location| is typically "out/Debug" or "out/Release".
# Expect |my_dir| to be .../pdfium/testing/tools.
self.my_dir = os.path.dirname(os.path.realpath(__file__))
self.testing_dir = os.path.dirname(self.my_dir)
if (os.path.basename(self.my_dir) != 'tools' or
os.path.basename(self.testing_dir) != 'testing'):
raise Exception('Confused, can not find pdfium root directory, aborting.')
self.pdfium_dir = os.path.dirname(self.testing_dir)
# Find path to build directory. This depends on whether this is a
# standalone build vs. a build as part of a chromium checkout. For
# standalone, we expect a path like .../pdfium/out/Debug, but for
# chromium, we expect a path like .../src/out/Debug two levels
# higher (to skip over the third_party/pdfium path component under
# which chromium sticks pdfium).
self.base_dir = self.pdfium_dir
one_up_dir = os.path.dirname(self.base_dir)
two_up_dir = os.path.dirname(one_up_dir)
if (os.path.basename(two_up_dir) == 'src' and
os.path.basename(one_up_dir) == 'third_party'):
self.base_dir = two_up_dir
self.build_dir = os.path.join(self.base_dir, build_location)
self.os_name = os_name()
def ExecutablePath(self, name):
'''Finds compiled binaries under the build path.'''
result = os.path.join(self.build_dir, name)
if self.os_name == 'win':
result = result + '.exe'
return result
def ScriptPath(self, name):
'''Finds other scripts in the same directory as this one.'''
return os.path.join(self.my_dir, name)
def WorkingDir(self, other_components=''):
'''Places generated files under the build directory, not source dir.'''
result = os.path.join(self.build_dir, 'gen', 'pdfium')
if other_components:
result = os.path.join(result, other_components)
return result
def TestingDir(self, other_components=''):
'''Finds test files somewhere under the testing directory.'''
result = self.testing_dir
if other_components:
result = os.path.join(result, other_components)
return result
def GetBooleanGnArg(arg_name, build_dir, verbose=False):
'''Extract the value of a boolean flag in args.gn'''
cwd = os.getcwd()
os.chdir(build_dir)
gn_args_output = subprocess.check_output(
['gn', 'args', '.', '--list=%s' % arg_name, '--short'])
os.chdir(cwd)
arg_match_output = re.search('%s = (.*)' % arg_name, gn_args_output).group(1)
if verbose:
print >> sys.stderr, "Found '%s' for value of %s" % (arg_match_output, arg_name)
return arg_match_output == 'true'
def PrintWithTime(s):
"""Prints s prepended by a timestamp."""
print '[%s] %s' % (datetime.datetime.now().strftime("%Y%m%d %H:%M:%S"),
s)
def PrintErr(s):
"""Prints s to stderr."""
print >> sys.stderr, s
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