Files
container.training/bin/common.py
2016-02-29 18:17:06 +00:00

37 lines
934 B
Python
Executable File

import os
import sys
import time
import yaml
def COMPOSE_FILE():
if "COMPOSE_FILE" not in os.environ:
print("The $COMPOSE_FILE environment variable is not set. Aborting.")
exit(1)
return os.environ["COMPOSE_FILE"]
class ComposeFile(object):
def __init__(self, filename=None):
if filename is None:
filename = COMPOSE_FILE()
if not os.path.isfile(filename):
print("File {!r} does not exist. Aborting.".format(filename))
exit(1)
self.data = yaml.load(open(filename))
@property
def services(self):
if self.data.get("version") == "2":
return self.data["services"]
else:
return self.data
def save(self, filename=None):
if filename is None:
filename = COMPOSE_FILE()
with open(filename, "w") as f:
yaml.safe_dump(self.data, f, default_flow_style=False)