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-rw-r--r--python/mozbuild/mozpack/copier.py2
-rw-r--r--python/mozbuild/mozpack/mozjar.py103
-rw-r--r--python/mozbuild/mozpack/packager/l10n.py6
-rw-r--r--python/mozbuild/mozpack/packager/unpack.py5
4 files changed, 93 insertions, 23 deletions
diff --git a/python/mozbuild/mozpack/copier.py b/python/mozbuild/mozpack/copier.py
index 386930fe7..15c550e7b 100644
--- a/python/mozbuild/mozpack/copier.py
+++ b/python/mozbuild/mozpack/copier.py
@@ -535,7 +535,7 @@ class Jarrer(FileRegistry, BaseFile):
dest = Dest(dest)
assert isinstance(dest, Dest)
- from mozpack.mozjar import JarWriter, JarReader
+ from mozpack.mozjar import JarWriter, JarReader, JAR_BROTLI
try:
old_jar = JarReader(fileobj=dest)
except Exception:
diff --git a/python/mozbuild/mozpack/mozjar.py b/python/mozbuild/mozpack/mozjar.py
index a1ada8594..2010a7f13 100644
--- a/python/mozbuild/mozpack/mozjar.py
+++ b/python/mozbuild/mozpack/mozjar.py
@@ -6,6 +6,7 @@ from __future__ import absolute_import
from io import BytesIO
import struct
+import subprocess
import zlib
import os
from zipfile import (
@@ -15,9 +16,11 @@ from zipfile import (
from collections import OrderedDict
from urlparse import urlparse, ParseResult
import mozpack.path as mozpath
+from mozbuild.util import memoize
JAR_STORED = ZIP_STORED
JAR_DEFLATED = ZIP_DEFLATED
+JAR_BROTLI = 0x81
MAX_WBITS = 15
@@ -262,13 +265,14 @@ class JarFileReader(object):
corresponding to the file in the jar archive, data a buffer containing
the file data.
'''
- assert header['compression'] in [JAR_DEFLATED, JAR_STORED]
+ assert header['compression'] in [JAR_DEFLATED, JAR_STORED, JAR_BROTLI]
self._data = data
# Copy some local file header fields.
for name in ['filename', 'compressed_size',
'uncompressed_size', 'crc32']:
setattr(self, name, header[name])
- self.compressed = header['compression'] == JAR_DEFLATED
+ self.compressed = header['compression'] != JAR_STORED
+ self.compress = header['compression']
def read(self, length=-1):
'''
@@ -317,7 +321,11 @@ class JarFileReader(object):
if hasattr(self, '_uncompressed_data'):
return self._uncompressed_data
data = self.compressed_data
- if self.compressed:
+ if self.compress == JAR_STORED:
+ data = data.tobytes()
+ elif self.compress == JAR_BROTLI:
+ data = Brotli.decompress(data.tobytes())
+ elif self.compress == JAR_DEFLATED:
data = zlib.decompress(data.tobytes(), -MAX_WBITS)
else:
data = data.tobytes()
@@ -361,6 +369,13 @@ class JarReader(object):
del self._data
@property
+ def compression(self):
+ entries = self.entries
+ if not entries:
+ return JAR_STORED
+ return max(f['compression'] for f in entries.itervalues())
+
+ @property
def entries(self):
'''
Return an ordered dict of central directory entries, indexed by
@@ -473,6 +488,8 @@ class JarWriter(object):
self._data = fileobj
else:
self._data = open(file, 'wb')
+ if compress is True:
+ compress = JAR_DEFLATED
self._compress = compress
self._compress_level = compress_level
self._contents = OrderedDict()
@@ -574,12 +591,13 @@ class JarWriter(object):
'''
Add a new member to the jar archive, with the given name and the given
data.
- The compress option indicates if the given data should be compressed
- (True), not compressed (False), or compressed according to the default
- defined when creating the JarWriter (None).
- When the data should be compressed (True or None with self.compress ==
- True), it is only really compressed if the compressed size is smaller
- than the uncompressed size.
+ The compress option indicates how the given data should be compressed
+ (one of JAR_STORED, JAR_DEFLATE or JAR_BROTLI), or compressed according
+ to the default defined when creating the JarWriter (None). True and
+ False are allowed values for backwards compatibility, mapping,
+ respectively, to JAR_DEFLATE and JAR_STORED.
+ When the data should be compressed, it is only really compressed if
+ the compressed size is smaller than the uncompressed size.
The mode option gives the unix permissions that should be stored
for the jar entry.
If a duplicated member is found skip_duplicates will prevent raising
@@ -594,8 +612,12 @@ class JarWriter(object):
raise JarWriterError("File %s already in JarWriter" % name)
if compress is None:
compress = self._compress
- if (isinstance(data, JarFileReader) and data.compressed == compress) \
- or (isinstance(data, Deflater) and data.compress == compress):
+ if compress is True:
+ compress = JAR_DEFLATED
+ if compress is False:
+ compress = JAR_STORED
+ if (isinstance(data, (JarFileReader, Deflater)) and \
+ data.compress == compress):
deflater = data
else:
deflater = Deflater(compress, compress_level=self._compress_level)
@@ -619,7 +641,7 @@ class JarWriter(object):
if deflater.compressed:
entry['min_version'] = 20 # Version 2.0 supports deflated streams
entry['general_flag'] = 2 # Max compression
- entry['compression'] = JAR_DEFLATED
+ entry['compression'] = deflater.compress
else:
entry['min_version'] = 10 # Version 1.0 for stored streams
entry['general_flag'] = 0
@@ -659,14 +681,21 @@ class Deflater(object):
'''
def __init__(self, compress=True, compress_level=9):
'''
- Initialize a Deflater. The compress argument determines whether to
- try to compress at all.
+ Initialize a Deflater. The compress argument determines how to
+ compress.
'''
self._data = BytesIO()
+ if compress is True:
+ compress = JAR_DEFLATED
+ elif compress is False:
+ compress = JAR_STORED
self.compress = compress
- if compress:
- self._deflater = zlib.compressobj(compress_level, zlib.DEFLATED,
- -MAX_WBITS)
+ if compress in (JAR_DEFLATED, JAR_BROTLI):
+ if compress == JAR_DEFLATED:
+ self._deflater = zlib.compressobj(
+ compress_level, zlib.DEFLATED, -MAX_WBITS)
+ else:
+ self._deflater = BrotliCompress()
self._deflated = BytesIO()
else:
self._deflater = None
@@ -759,6 +788,46 @@ class Deflater(object):
return self._data.getvalue()
+class Brotli(object):
+ @staticmethod
+ @memoize
+ def brotli_tool():
+ from buildconfig import topobjdir, substs
+ return os.path.join(topobjdir, 'dist', 'host', 'bin',
+ 'brotli' + substs.get('BIN_SUFFIX', ''))
+
+ @staticmethod
+ def run_brotli_tool(args, input):
+ proc = subprocess.Popen([Brotli.brotli_tool()] + args,
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE)
+ (stdout, _) = proc.communicate(input)
+ ret = proc.wait()
+ if ret != 0:
+ raise Exception("Brotli compression failed")
+ return stdout
+
+ @staticmethod
+ def compress(data):
+ return Brotli.run_brotli_tool(['--lgwin=17'], data)
+
+ @staticmethod
+ def decompress(data):
+ return Brotli.run_brotli_tool(['--decompress'], data)
+
+
+class BrotliCompress(object):
+ def __init__(self):
+ self._buf = BytesIO()
+
+ def compress(self, data):
+ self._buf.write(data)
+ return b''
+
+ def flush(self):
+ return Brotli.compress(self._buf.getvalue())
+
+
class JarLog(dict):
'''
Helper to read the file Gecko generates when setting MOZ_JAR_LOG_FILE.
diff --git a/python/mozbuild/mozpack/packager/l10n.py b/python/mozbuild/mozpack/packager/l10n.py
index 758064f59..e3e05fc89 100644
--- a/python/mozbuild/mozpack/packager/l10n.py
+++ b/python/mozbuild/mozpack/packager/l10n.py
@@ -37,6 +37,7 @@ from mozpack.chrome.manifest import (
Manifest,
)
from mozpack.errors import errors
+from mozpack.mozjar import JAR_DEFLATED
from mozpack.packager.unpack import UnpackFinder
from createprecomplete import generate_precomplete
@@ -241,16 +242,17 @@ def repack(source, l10n, extra_l10n={}, non_resources=[], non_chrome=set()):
finders[base] = UnpackFinder(path)
l10n_finder = ComposedFinder(finders)
copier = FileCopier()
+ compress = min(app_finder.compressed, JAR_DEFLATED)
if app_finder.kind == 'flat':
formatter = FlatFormatter(copier)
elif app_finder.kind == 'jar':
formatter = JarFormatter(copier,
optimize=app_finder.optimizedjars,
- compress=app_finder.compressed)
+ compress=compress)
elif app_finder.kind == 'omni':
formatter = OmniJarFormatter(copier, app_finder.omnijar,
optimize=app_finder.optimizedjars,
- compress=app_finder.compressed,
+ compress=compress,
non_resources=non_resources)
with errors.accumulate():
diff --git a/python/mozbuild/mozpack/packager/unpack.py b/python/mozbuild/mozpack/packager/unpack.py
index fa2b474e7..515705c0d 100644
--- a/python/mozbuild/mozpack/packager/unpack.py
+++ b/python/mozbuild/mozpack/packager/unpack.py
@@ -54,7 +54,7 @@ class UnpackFinder(BaseFinder):
self.omnijar = None
self.jarlogs = {}
self.optimizedjars = False
- self.compressed = True
+ self.compressed = False
jars = set()
@@ -146,8 +146,7 @@ class UnpackFinder(BaseFinder):
jar = JarReader(fileobj=file.open())
if jar.is_optimized:
self.optimizedjars = True
- if not any(f.compressed for f in jar):
- self.compressed = False
+ self.compressed = max(self.compressed, jar.compression)
if jar.last_preloaded:
jarlog = jar.entries.keys()
self.jarlogs[path] = jarlog[:jarlog.index(jar.last_preloaded) + 1]
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 08:11:10 +0000