diff options
Diffstat (limited to 'sharedprofile.py')
| -rw-r--r-- | sharedprofile.py | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/sharedprofile.py b/sharedprofile.py deleted file mode 100644 index 61441a5..0000000 --- a/sharedprofile.py +++ /dev/null @@ -1,114 +0,0 @@ -'''Adapter module to synchronize sanitized versions of the profile -directory with other activity instances. -''' - -import shutil -import tempfile -import os -import stat -import subprocess -import re - -from sugar import env - -def _copy_dir(src, dst): - ''' recursively copying folder src, the target folder dst exist already ''' - names = os.listdir(src) - for name in names: - srcname = os.path.join(src, name) - dstname = os.path.join(dst, name) - try: - if os.path.isdir(srcname): - if not os.path.exists(dstname): - os.mkdir(dstname) - _copy_dir(srcname, dstname) - else: - shutil.copy2(srcname, dstname) - except (IOError, os.error), why: - print 'Can\'t copy %s to %s: %s' % (`srcname`, `dstname`, str(why)) - -def _chmod_dir(folder): - ''' chmod a folder recursively ''' - names = os.listdir(folder) - for name in names: - name = os.path.join(folder, name) - try: - mode = os.stat(name)[stat.ST_MODE] - os.chmod(name, (mode | stat.S_IWGRP | stat.S_IRGRP)) - if os.path.isdir(name): - _chmod_dir(name) - except (IOError, os.error), why: - print 'Can\'t chmod %s: %s' % (`name`, str(why)) - -def create_local_profile(sar): - ''' create local profile from shared profile''' - - profile_inst = os.path.join(sar, 'instance/profile') - profile_data = os.path.join(sar, 'data/profile') - - # copy old profile data if exist - if not os.path.exists(profile_inst): - os.mkdir(profile_inst) - if os.path.exists(profile_data): - folder = os.readlink(profile_data) - if os.path.exists(folder): - _copy_dir(folder, profile_inst) - -def update_shared_profile(sar): - '''impose appropriate permissions and synchronize - with the shared profile ''' - - profile_inst = os.path.join(sar, 'instance/profile') - profile_data = os.path.join(sar, 'data/profile') - profile_data_tmp = os.path.join(sar, 'data/profile_tmp') - - # copy profile to $STAGING_AREA - staging_area = tempfile.mkdtemp(dir=os.path.join(sar, 'instance')) - _copy_dir(profile_inst, staging_area) - - # change entries to be rw for the group - _chmod_dir(staging_area) - - # create a tempfile in $SAR/data - new_profile = tempfile.mkdtemp(dir=os.path.join(sar, 'data')) - os.chmod(new_profile, 0770) - - # clone the contents of the $STAGING_AREA into $NEW_PROFILE - _copy_dir(staging_area, new_profile) - shutil.rmtree(staging_area) - - # atomically swing symlink $SAR/data/profile to point to $NEW_PROFILE - os.symlink(new_profile, profile_data_tmp) - os.rename(profile_data_tmp, profile_data) - -def _in_use(folder): - ''' check if there are processes running under the uid - owning the folder - ''' - if env.is_emulator(): - # FIXME: must find a way to deal with this in sugar-jhbuild - return True - uid = os.stat(folder)[stat.ST_UID] - fdp = subprocess.Popen(['ps', '--no-headers', '-f', 'U', str(uid)], - stdout=subprocess.PIPE) - data = fdp.stdout.read() - command = '.*(%d).*' % uid - ret = re.compile(command).match(data) - if ret: - return True - return False - -def garbage_collector(sar): - ''' garbage-collection step in order to reclaim the resources used by - old revisions of the profile - ''' - sar_data = os.path.join(sar, 'data') - names = os.listdir(sar_data) - for name in names: - path = os.path.join(sar_data, name) - if os.path.isdir(path) and not os.path.islink(path): - path_profile = os.readlink(os.path.join(sar, 'data/profile')) - if not path_profile == path and not _in_use(path): - shutil.rmtree(path) - - |