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switch to shutil.copy rather than os.system(cp)

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This commit is contained in:
Dave Hatton 2012-07-04 12:26:25 +01:00
parent bea2939deb
commit 9d85a55434
1 changed files with 12 additions and 5 deletions
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17
library/copy
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@ -21,6 +21,7 @@
import sys import sys
import os import os
import shlex import shlex
import shutil
import syslog import syslog
# =========================================== # ===========================================
@ -42,11 +43,11 @@ def md5_sum(f):
return md5sum return md5sum
if len(sys.argv) == 1: if len(sys.argv) == 1:
exit_kv(rc=1, failed=1, msg="incorrect number of arguments given") exit_kv(rc=1, failed=1, msg="incorrect number of arguments given")
argfile = sys.argv[1] argfile = sys.argv[1]
if not os.path.exists(argfile): if not os.path.exists(argfile):
exit_kv(rc=1, failed=1, msg="file %s does not exist" % (argfile)) exit_kv(rc=1, failed=1, msg="file %s does not exist" % (argfile))
args = open(argfile, 'r').read() args = open(argfile, 'r').read()
items = shlex.split(args) items = shlex.split(args)
@ -69,7 +70,7 @@ if dest:
md5sum_src = None md5sum_src = None
# raise an error if there is no src file # raise an error if there is no src file
if not os.path.exists(src): if not os.path.exists(src):
exit_kv(rc=1, failed=1, msg="Source %s failed to transfer" % (src)) exit_kv(rc=1, failed=1, msg="Source %s failed to transfer" % (src))
if not os.access(src, os.R_OK): if not os.access(src, os.R_OK):
exit_kv(rc=1, failed=1, msg="Source %s not readable" % (src)) exit_kv(rc=1, failed=1, msg="Source %s not readable" % (src))
md5sum_src = md5_sum(src) md5sum_src = md5_sum(src)
@ -85,10 +86,16 @@ if os.path.exists(dest):
md5sum_dest = md5_sum(dest) md5sum_dest = md5_sum(dest)
else: else:
if not os.access(os.path.dirname(dest), os.W_OK): if not os.access(os.path.dirname(dest), os.W_OK):
exit_kv(rc=1, failed=1, msg="Destination %s not writable" % (dest)) exit_kv(rc=1, failed=1, msg="Destination %s not writable" % (os.path.dirname(dest)))
if md5sum_src != md5sum_dest: if md5sum_src != md5sum_dest:
os.system("cp %s %s" % (src, dest)) # was os.system("cp %s %s" % (src, dest))
try:
shutil.copyfile(src, dest)
except shutil.Error:
exit_kv(rc=1, failed=1, msg="failed to copy: %s and %s are the same" % (src, dest))
except IOError:
exit_kv(rc=1, failed=1, msg="failed to copy: %s to %s" % (src, dest))
changed = True changed = True
else: else:
changed = False changed = False