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#!/usr/bin/python
from RepSys import Error, config
import getpass
import sys
import os
import re
import logging
#import commands
log = logging.getLogger("repsys")
# Our own version of commands' getstatusoutput(). We have a commands
# module directory, so we can't import Python's standard module
def commands_getstatusoutput(cmd):
"""Return (status, output) of executing cmd in a shell."""
import os
pipe = os.popen('{ ' + cmd + '; } 2>&1', 'r')
text = pipe.read()
sts = pipe.close()
if sts is None: sts = 0
if text[-1:] == '\n': text = text[:-1]
return sts, text
def execcmd(*cmd, **kwargs):
cmdstr = " ".join(cmd)
if kwargs.get("show"):
status = os.system(cmdstr)
output = ""
else:
status, output = commands_getstatusoutput("LANG=C LANGUAGE=C LC_ALL=C "+cmdstr)
if status != 0 and not kwargs.get("noerror"):
raise Error, "command failed: %s\n%s\n" % (cmdstr, output)
if config.getbool("global", "verbose", 0):
print cmdstr
sys.stdout.write(output)
return status, output
def get_auth(username=None, password=None):
set_username = 1
set_password = 1
if not username:
username = config.get("auth", "username")
if not username:
username = raw_input("username: ")
else:
set_username = 0
if not password:
password = config.get("auth", "password")
if not password:
password = getpass.getpass("password: ")
else:
set_password = 0
if set_username:
config.set("auth", "username", username)
if set_password:
config.set("auth", "password", password)
return username, password
def mapurl(url):
"""Maps a url following the regexp provided by the option url-map in
repsys.conf
"""
urlmap = config.get("global", "url-map")
newurl = url
if urlmap:
try:
expr_, replace = urlmap.split()[:2]
except ValueError:
log.error("invalid url-map: %s", urlmap)
else:
try:
newurl = re.sub(expr_, replace, url)
except re.error, errmsg:
log.error("error in URL mapping regexp: %s", errmsg)
return newurl
def get_helper(name):
"""Tries to find the path of a helper script
It first looks if the helper has been explicitly defined in
configuration, if not, falls back to the default helper path, which can
also be defined in configuration file(s).
"""
helperdir = config.get("helper", "prefix", "/usr/share/repsys")
hpath = config.get("helper", name, None) or \
os.path.join(helperdir, name)
if not os.path.isfile(hpath):
log.warn("providing unexistent helper: %s", hpath)
return hpath
# vim:et:ts=4:sw=4
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