def wrapper(*args):
cache_key = cache_key_templ.format(":".join(args)).replace(
"/", "%")
container_id = utils.plash_call("map", cache_key)
if not container_id:
container_id = func(*args)
utils.plash_call("map", cache_key, container_id)
return hint("image", container_id)
def from_github(user_repo_pair, file='plashfile'):
"build and use a file (default 'plashfile') from github repo"
from urllib.request import urlopen
url = 'https://raw.githubusercontent.com/{}/master/{}'.format(
user_repo_pair, file)
with utils.catch_and_die([Exception], debug=url):
resp = urlopen(url)
plashstr = resp.read().decode()
return utils.plash_call('build', '--eval-stdin', input=plashstr)
def eval_github(user_repo_pair, file="plashfile"):
"eval a file (default 'plashfile') from a github repo"
from urllib.request import urlopen
url = "https://raw.githubusercontent.com/{}/master/{}".format(
user_repo_pair, file)
with utils.catch_and_die([Exception], debug=url):
resp = urlopen(url)
plashstr = resp.read().decode()
return utils.plash_call("eval", "--eval-stdin", input=plashstr)
def eval_file(file):
"evaluate file content as expressions"
fname = os.path.realpath(os.path.expanduser(file))
with open(fname) as f:
inscript = f.read()
sh = utils.plash_call("eval", "--eval-stdin", strip=False, input=inscript)
# we remove an possibly existing newline
# because else this macros would add one
if sh.endswith("\n"):
return sh[:-1]
return sh
def from_map(map_key):
'use resolved map as image'
image_id = utils.plash_call('map', map_key)
if not image_id:
raise MapDoesNotExist('map {} not found'.format(repr(map_key)))
return hint('image', image_id)
def from_url(url):
'import image from an url'
return utils.plash_call('import-url', url)
def from_lxc(image):
'use images from images.linuxcontainers.org'
return utils.plash_call('import-lxc', image)
def from_docker(image):
'use image from local docker'
utils.plash_call('import-docker', image)
def eval_string(stri):
"evaluate expressions passed as string"
import shlex
tokens = shlex.split(stri)
return utils.plash_call("eval", *tokens, strip=False)
def eval_stdin():
"evaluate expressions read from stdin"
tokens = [i.rstrip("\n") for i in sys.stdin.readlines()]
return utils.plash_call("eval", *tokens, strip=False)
def from_github(user_repo_pair, file="plashfile"):
"build and use a file (default 'plashfile') from a github repo"
return utils.plash_call("build", "--eval-github", user_repo_pair, file)
def from_map(map_key):
"use resolved map as image"
image_id = utils.plash_call("map", map_key)
if not image_id:
raise MapDoesNotExist("map {} not found".format(repr(map_key)))
return hint("image", image_id)
def from_url(url):
"import image from an url"
return utils.plash_call("import-url", url)
def from_lxc(image):
"use images from images.linuxcontainers.org"
return utils.plash_call("import-lxc", image)
def from_docker(image):
"use image from local docker"
return utils.plash_call("import-docker", image)
def eval_string(stri):
'evaluate expressions passed as string'
import shlex
tokens = shlex.split(stri)
return utils.plash_call('eval', input='\n'.join(tokens), strip=False)
