def __init__(self, config, hash_key=""):
"""
Initialize an EastwindPackage for install/dump
config: path to config file
"""
self.config = EastwindSet(os.path.expanduser(config))
if hash_key == "":
self.hash = utils.hash_name(self.config.name)
else:
self.hash = hash_key
self.base_path = utils.app_path(os.path.join("package", self.hash, ""))
self.config_manager = EastwindConfigManager(self.base_path)
self.pkg_manager = EastwindPkgManager()
class EastwindPackage:
""" Handles a eastwind package """
def __init__(self, config, hash_key=""):
"""
Initialize an EastwindPackage for install/dump
config: path to config file
"""
self.config = EastwindSet(os.path.expanduser(config))
if hash_key == "":
self.hash = utils.hash_name(self.config.name)
else:
self.hash = hash_key
self.base_path = utils.app_path(os.path.join("package", self.hash, ""))
self.config_manager = EastwindConfigManager(self.base_path)
self.pkg_manager = EastwindPkgManager()
@classmethod
def extract(self, pkg_path):
"""
Extracting an EastwindPackage and turn it to a instance
pkg_path: path to EastwindPackage, will expanded to user path
"""
self.pkg_name = os.path.basename(pkg_path)
tar = tarfile.open(os.path.expanduser(pkg_path), "r:gz")
hash_name = utils.hash_name(pkg_path)
dest_dir = utils.app_path(os.path.join("package", hash_name))
tar.extractall(dest_dir)
tar.close()
config_file = os.path.join(dest_dir, "control")
return EastwindPackage(config_file, hash_name)
def unpack(self):
""" Execute the actions in the package """
action_friendly = {
"source": "Add external sources",
"install": "Install",
"remove": "Remove",
"update": "Update package list",
"upgrade": "Upgrade installed packages",
"config": "Add new configuration",
"exec": "Execute external command",
"download": "Download files",
}
print "Package name: %s" % self.pkg_name
print "The following actions are going to be executed:"
for action in self.config.actions:
print "%s: %s" % (action_friendly[action.type], action.arg)
print "Do you want to proceed? [y/N]",
try:
res = raw_input()
except KeyboardInterrupt:
res = "n"
if "n" in res.lower():
print "Aborted."
return
total = len(self.config.actions)
for index, action in enumerate(self.config.actions):
utils.slog("INFO", "Executing %d of %d actions ..." % (index + 1, total))
print "%s: %s" % (action.type, action.arg)
self.__react(action.type, action.arg)
def pack(self, pkg_path):
"""
Dump a EastwindPackage to a single package
pkg_path: path to the target .eastwind file
"""
for action in self.config.actions:
if action.type == "config":
self.config_manager.backup(action.arg)
self.config.dump(os.path.join(self.base_path, "control"))
self.config_manager.dump()
tar = tarfile.open(os.path.expanduser(pkg_path), "w:gz")
for item in os.listdir(self.base_path):
tar.add(os.path.join(self.base_path, item), item)
tar.close()
def __react(self, action, arg):
"""
React to different operations
action: atomic action name, ex: source, install ...
args: argument(s) for each atomic actions
"""
if action == "source":
self.pkg_manager.add_external_sources([arg])
elif action == "install":
self.pkg_manager.install([arg])
elif action == "remove":
self.pkg_manager.remove()
elif action == "update":
self.pkg_manager.update()
elif action == "upgrade":
self.pkg_manager.upgrade()
elif action == "config":
self.config_manager.recover(arg)
elif action == "exec":
subprocess.Popen(arg, shell=True).wait()
elif action == "download":
pass
else:
raise ValueError