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# Copyright (C) 2015 MongoDB Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import SCons
import os
import os.path as ospath
import subprocess
import shutil
import tarfile
import time
import zipfile
import StringIO
from distutils.spawn import find_executable
__distsrc_callbacks = []
class DistSrcFile:
def __init__(self, **kwargs):
[ setattr(self, key, val) for (key, val) in kwargs.items() ]
def __str__(self):
return self.name
class DistSrcArchive:
def __init__(self, archive_type, archive_file, filename, mode):
self.archive_type = archive_type
self.archive_file = archive_file
self.archive_name = filename
self.archive_mode = mode
@staticmethod
def Open(filename):
if filename.endswith("tar"):
return DistSrcTarArchive(
'tar',
tarfile.open(filename, 'r', format=tarfile.PAX_FORMAT),
filename,
'r',
)
elif filename.endswith("zip"):
return DistSrcZipArchive(
'zip',
zipfile.ZipFile(filename, 'a'),
filename,
'a',
)
def close(self):
self.archive_file.close()
class DistSrcTarArchive(DistSrcArchive):
def __iter__(self):
file_list = self.archive_file.getnames()
for name in file_list:
yield name
def __getitem__(self, key):
item_data = self.archive_file.getmember(key)
return DistSrcFile(
name=key,
size=item_data.size,
mtime=item_data.mtime,
mode=item_data.mode,
type=item_data.type,
uid=item_data.uid,
gid=item_data.gid,
uname=item_data.uname,
gname=item_data.uname
)
def append_file_contents(self, filename, file_contents,
mtime=time.time(),
mode=0644,
uname="root",
gname="root"):
file_metadata = tarfile.TarInfo(name=filename)
file_metadata.mtime = mtime
file_metadata.mode = mode
file_metadata.uname = uname
file_metadata.gname = gname
file_metadata.size = len(file_contents)
file_buf = StringIO.StringIO(file_contents)
if self.archive_mode == 'r':
self.archive_file.close()
self.archive_file = tarfile.open(
self.archive_name,
'a',
format=tarfile.PAX_FORMAT,
)
self.archive_mode = 'a'
self.archive_file.addfile(file_metadata, fileobj=file_buf)
def append_file(self, filename, localfile):
self.archive_file.add(localfile, arcname=filename)
class DistSrcZipArchive(DistSrcArchive):
def __iter__(self):
file_list = self.archive_file.namelist()
for name in file_list:
yield name
def __getitem__(self, key):
item_data = self.archive_file.getinfo(key)
fixed_time = item_data.date_time + (0, 0, 0)
is_dir = key.endswith("/")
return DistSrcFile(
name=key,
size=item_data.file_size,
mtime=time.mktime(fixed_time),
mode=0775 if is_dir else 0664,
type=tarfile.DIRTYPE if is_dir else tarfile.REGTYPE,
uid=0,
gid=0,
uname="root",
gname="root"
)
def append_file_contents(self, filename, file_contents,
mtime=time.time(),
mode=0644,
uname="root",
gname="root"):
self.archive_file.writestr(filename, file_contents)
def append_file(self, filename, localfile):
self.archive_file.write(localfile, arcname=filename)
def build_error_action(msg):
def error_stub(target=None, source=None, env=None):
print msg
env.Exit(1)
return [ error_stub ]
def distsrc_action_generator(source, target, env, for_signature):
# This is done in two stages because env.WhereIs doesn't seem to work
# correctly on Windows, but we still want to be able to override the PATH
# using the env.
git_path = env.WhereIs("git")
if not git_path:
git_path = find_executable("git")
if not git_path:
return build_error_action("Could not find git - cannot create distsrc archive")
def run_distsrc_callbacks(target=None, source=None, env=None):
archive_wrapper = DistSrcArchive.Open(str(target[0]))
for fn in __distsrc_callbacks:
fn(env, archive_wrapper)
archive_wrapper.close()
target_ext = str(target[0])[-3:]
if not target_ext in [ 'zip', 'tar' ]:
print "Invalid file format for distsrc. Must be tar or zip file"
env.Exit(1)
git_cmd = "\"%s\" archive --format %s --output %s --prefix ${MONGO_DIST_SRC_PREFIX} HEAD" % (
git_path, target_ext, target[0])
return [
SCons.Action.Action(git_cmd, "Running git archive for $TARGET"),
SCons.Action.Action(run_distsrc_callbacks, "Running distsrc callbacks for $TARGET")
]
def add_callback(env, fn):
__distsrc_callbacks.append(fn)
def generate(env, **kwargs):
env.AddMethod(add_callback, 'AddDistSrcCallback')
env['BUILDERS']['__DISTSRC'] = SCons.Builder.Builder(
generator=distsrc_action_generator,
)
def DistSrc(env, target):
result = env.__DISTSRC(target=target, source=[])
env.AlwaysBuild(result)
env.NoCache(result)
return result
env.AddMethod(DistSrc, 'DistSrc')
def exists(env):
return True
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