blob: 75e80db2b3dac06127ec30a473f277bd8fb52300 [file] [log] [blame]
import hashlib
import operator
import os
import shutil
import stat
import subprocess
import sys
import tempfile
def rel_to_abs(rel_path):
return os.path.join(script_path, rel_path)
java_bin_path = os.getenv('JAVA_HOME', '')
if java_bin_path:
java_bin_path = os.path.join(java_bin_path, 'bin')
main_class = 'org.chromium.devtools.jsdoc.JsDocValidator'
jar_name = 'jsdoc-validator.jar'
hashes_name = 'hashes'
src_dir = 'src'
script_path = os.path.dirname(os.path.abspath(__file__))
closure_jar_relpath = os.path.join('..', 'closure', 'compiler.jar')
src_path = rel_to_abs(src_dir)
hashes_path = rel_to_abs(hashes_name)
def get_file_hash(file, blocksize=65536):
sha = hashlib.sha256()
buf =
while len(buf) > 0:
buf =
return sha.hexdigest()
def traverse(hasher, path):
abs_path = rel_to_abs(path)
info = os.lstat(abs_path)
quoted_name = repr(path.replace('\\', '/'))
if stat.S_ISDIR(info.st_mode) and not os.path.basename(path).startswith('.'):
hasher.update('d ' + quoted_name + '\n')
for entry in sorted(os.listdir(abs_path)):
traverse(hasher, os.path.join(path, entry))
elif stat.S_ISREG(info.st_mode) and path.endswith('.java'):
hasher.update('r ' + quoted_name + ' ')
hasher.update(str(info.st_size) + ' ')
with open(abs_path, 'Ur') as file:
f_hash = get_file_hash(file)
hasher.update(f_hash + '\n')
def get_src_dir_hash(dir):
sha = hashlib.sha256()
traverse(sha, dir)
return sha.hexdigest()
def get_actual_hashes():
hashed_files = [(jar_name, True)]
hashes = {}
for (file_name, binary) in hashed_files:
hash = get_file_hash(open(file_name, 'rb' if binary else 'r'))
hashes[file_name] = hash
except IOError:
hashes[file_name] = '0'
hashes[src_dir] = get_src_dir_hash(src_dir)
return hashes
def get_expected_hashes():
with open(hashes_path, 'r') as file:
return {file_name: hash for (file_name, hash) in [(name.strip(), hash.strip()) for (hash, name) in [line.split(' ', 1) for line in file]]}
return None
def run_and_communicate(command, error_template):
proc = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
if proc.returncode:
print >> sys.stderr, error_template % proc.returncode
def build_artifacts():
print 'Compiling...'
java_files = []
for root, dirs, files in sorted(os.walk(src_path)):
for file_name in files:
if file_name.endswith('.java'):
java_files.append(os.path.join(root, file_name))
bin_path = tempfile.mkdtemp()
manifest_file = tempfile.NamedTemporaryFile(mode='wt', delete=False)
manifest_file.write('Class-Path: %s\n' % closure_jar_relpath)
javac_path = os.path.join(java_bin_path, 'javac')
javac_command = '%s -d %s -cp %s %s' % (javac_path, bin_path, rel_to_abs(closure_jar_relpath), ' '.join(java_files))
run_and_communicate(javac_command, 'Error: javac returned %d')
print 'Building jar...'
artifact_path = rel_to_abs(jar_name)
jar_path = os.path.join(java_bin_path, 'jar')
jar_command = '%s cvfme %s %s %s -C %s .' % (jar_path, artifact_path,, main_class, bin_path)
run_and_communicate(jar_command, 'Error: jar returned %d')
shutil.rmtree(bin_path, True)
def update_hashes():
print 'Updating hashes...'
with open(hashes_path, 'w') as file:
file.writelines(['%s %s\n' % (hash, name) for (name, hash) in get_actual_hashes().iteritems()])
def hashes_modified():
expected_hashes = get_expected_hashes()
if not expected_hashes:
return [('<no expected hashes>', 1, 0)]
actual_hashes = get_actual_hashes()
results = []
for name, expected_hash in expected_hashes.iteritems():
actual_hash = actual_hashes.get(name)
if expected_hash != actual_hash:
results.append((name, expected_hash, actual_hash))
return results
def help():
print 'usage: %s [option]' % os.path.basename(__file__)
print 'Options:'
print '--force-rebuild: Rebuild classes and jar even if there are no source file changes'
print '--no-rebuild: Do not rebuild jar, just update hashes'
def main():
no_rebuild = False
force_rebuild = False
if len(sys.argv) > 1:
if sys.argv[1] == '--help':
no_rebuild = sys.argv[1] == '--no-rebuild'
force_rebuild = sys.argv[1] == '--force-rebuild'
if not hashes_modified() and not force_rebuild:
print 'No modifications found, rebuild not required.'
if not no_rebuild:
print 'Done.'
if __name__ == '__main__':