def cmd_sync(args):
"""cmd_sync validate and prepare synchronization operation environment"""
flags = Flags(install=not args.without_install,
update=not args.without_update,
downgrade=not args.without_downgrade,
remove=not args.without_remove)
utility.ensure_directory(DEPSINSTALL_DIR_PATH)
# load currently installed dependencies
installedDeps = InstalledDependencies(load_installed_deps_file())
# make sure all dependencies are installed
check_integrity(installedDeps, DEPSINSTALL_DIR_PATH)
dependencyManager = DependencyManager(installedDeps, DEPSINSTALL_DIR_PATH)
registryClient = get_registry_client()
if not registryClient:
print "registry server is not set, please set it before running ppm"
return
settings = Settings()
if settings.get_current_project():
project_name = settings.get_current_project()
try:
jsonData = registryClient.get_project_details(project_name)
except Exception as e:
print "Error occured while retrieving project {p} details from registry server: {e}".format(p=project_name, e=str(e))
return
elif os.path.exists(REQDEPS_FILE_PATH):
try:
jsonData = utility.load_json_file(REQDEPS_FILE_PATH)
except Exception as e:
print "Error occured while reading {f}: {e}".format(f=os.path.basename(REQDEPS_FILE_PATH), e=str(e))
return
else:
print "unable to fetch dependencies, you have to set a project or create a {d} file".format(d=os.path.basename(REQDEPS_FILE_PATH))
return
requiredDeps = RequiredDependencies(jsonData.get('devdependencies',{}))
repositoryClient = get_repository_client()
# synchronizing dependencies
sync_dependencies(requiredDeps, installedDeps, registryClient, repositoryClient, dependencyManager, flags)
# save newly installed packages as current dependencies
save_installed_deps(installedDeps.get_data())
def load_installed_deps_file():
installedDepsContents = None
if os.path.exists(CURRENTDEPS_FILE_PATH):
installedDepsContents = utility.load_json_file(CURRENTDEPS_FILE_PATH)
return installedDepsContents