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community.general/library/copy
Michael DeHaan ba4e36a9a9 Rename 'ensure' to 'state' because I think it's a bit cleaner and doesn't imply
all modules take a common parameter name.  But more or less we still work idempotently
in modules.
2012-02-26 22:31:42 -05:00

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Python

#!/usr/bin/python
import sys
import os
import shlex
try:
import json
except ImportError:
import simplejson as json
# ===========================================
# convert arguments of form a=b c=d
# to a dictionary
# FIXME: make more idiomatic
args = " ".join(sys.argv[1:])
items = shlex.split(args)
params = {}
for x in items:
(k, v) = x.split("=")
params[k] = v
src = params['src']
dest = params['dest']
# raise an error if there is no src file
if not os.path.exists(src):
print json.dumps({
"failed" : 1,
"msg" : "Source %s failed to transfer" % src
})
sys.exit(1)
md5sum = None
changed = False
if os.path.exists(dest):
md5sum = os.popen("md5sum %s" % dest).read().split()[0]
os.system("cp %s %s" % (src, dest))
md5sum2 = os.popen("md5sum %s" % dest).read().split()[0]
if md5sum != md5sum2:
changed = True
# mission accomplished
print json.dumps({
"md5sum" : md5sum2,
"changed" : changed
})