persoconf/commands/package.py

102 lines
3.6 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os.path
import time
import tarfile
from metafile import Metafile, MalformedMetafileError
# --------------------------------------
def init(parser):
parser.add_argument( "apps" ,
type=str ,
nargs="*" ,
default=[] ,
help="The apps to package ; defaults to all " \
"apps" )
parser.add_argument( "--pkgtype", "-t" ,
type=str ,
nargs="?" ,
default="tgz" ,
choices = [ "tgz" ] ,
help="The type of package to use" )
parser.add_argument( "--pkgname", "-p" ,
type=str ,
nargs="?" ,
default="persoconf." + (time.strftime("%Y%m%d")) ,
help="The name of the package to create" )
# --------------------------------------
def run(args, persoconf, logger):
pkgname = args.pkgname
# If no app is given: package all apps
if args.apps == []:
logger.info("Packaging all apps")
args.apps = persoconf.list_apps(logger=logger)
# Some apps were specified, so we list them with their files
appmetas = []
for app in args.apps :
# Load app META file
try:
appmetas.append(
Metafile(json_path = os.path.join(
persoconf.path ,
app ,
persoconf.metafile)
)
)
except FileNotFoundError:
logger.warning( "Metafile %s does not exist for app %s; ignoring"
% (persoconf.metafile, app) )
continue
except MalformedMetafileError:
logger.warning( "Malformed metafile %s in app %s; ignoring"
% (persoconf.metafile, app) )
continue
# TODO check that the app exists
# Adds the app name if there is only one packaged
if len(appmetas) == 1:
pkgname += ("." + appmetas[0].name)
# Switch according to the pkgtype
if args.pkgtype == "tgz":
pkgname += ".tgz"
# Create a tar containing the files in the right place
pkg = tarfile.open(pkgname, "w:gz")
for appmeta in appmetas:
for f in appmeta.files:
filename = persoconf.path +"/"+ appmeta.name +"/"+ f
filedest = appmeta.files[f]["dest"]
# Remove possible 'home'. The final targz should be extracted
# at $HOME.
if filedest.startswith("~/"):
filedest = filedest[2:]
# TODO save and restore owners and permissions
try:
pkg.add(filename, arcname=filedest)
logger.info("Adding %s to package" % f)
except Exception as e:
logger.warning( "Failed to add %s to tar package %s: %s"
% (f, pkgname, str(e)) )
pkg.close()