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Thu, Nov 7, 08:59

general_utils.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2011 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
'''
bibauthorid_general_utils
Bibauthorid utilities used by many parts of the framework
'''
from invenio import bibauthorid_config as bconfig
from datetime import datetime
import sys
PRINT_TS = bconfig.DEBUG_TIMESTAMPS
PRINT_TS_US = bconfig.DEBUG_TIMESTAMPS_UPDATE_STATUS and PRINT_TS
NEWLINE = bconfig.DEBUG_UPDATE_STATUS_THREAD_SAFE
FO = bconfig.DEBUG_LOG_TO_PIDFILE
TERMINATOR = '\r'
if NEWLINE or FO:
TERMINATOR = '\n'
import os
PID = os.getpid
pidfiles = dict()
def override_stdout_config(fileout=False, stdout=True):
global FO
assert fileout^stdout
if fileout:
FO = True
if stdout:
FO = False
def set_stdout():
if FO:
try:
sys.stdout = pidfiles[PID()]
except KeyError:
pidfiles[PID()] = open('/tmp/bibauthorid_log_pid_'+str(PID()),'w')
sys.stdout = pidfiles[PID()]
print 'REDIRECTING TO PIDFILE '
#python2.4 compatibility layer.
try:
any([True])
except:
def any(x):
for element in x:
if element:
return True
return False
bai_any = any
try:
all([True])
except:
def all(x):
for element in x:
if not element:
return False
return True
bai_all = all
#end of python2.4 compatibility. Please remove this horror as soon as all systems will have
#been ported to python2.6+
def __print_func(*args):
set_stdout()
if PRINT_TS:
print datetime.now(),
for arg in args:
print arg,
print ""
sys.stdout.flush()
def __dummy_print(*args):
pass
def __create_conditional_print(cond):
if cond:
return __print_func
else:
return __dummy_print
bibauthor_print = __create_conditional_print(bconfig.DEBUG_OUTPUT)
name_comparison_print = __create_conditional_print(bconfig.DEBUG_NAME_COMPARISON_OUTPUT)
metadata_comparison_print = __create_conditional_print(bconfig.DEBUG_METADATA_COMPARISON_OUTPUT)
wedge_print = __create_conditional_print(bconfig.DEBUG_WEDGE_OUTPUT)
if bconfig.DEBUG_OUTPUT:
status_len = 20
comment_len = 40
def padd(stry, l):
return stry[:l].ljust(l)
def update_status(percent, comment="", print_ts=False):
set_stdout()
filled = int(percent * status_len-2)
bar = "[%s%s] " % ("#" * filled, "-" * (status_len-2 - filled))
percent = ("%.2f%% done" % (percent * 100))
progress = padd(bar + percent, status_len)
comment = padd(comment, comment_len)
if print_ts or PRINT_TS_US:
print datetime.now(),
print 'pid:',PID(),
print progress, comment, TERMINATOR,
sys.stdout.flush()
def update_status_final(comment=""):
set_stdout()
update_status(1., comment, print_ts=PRINT_TS)
print ""
sys.stdout.flush()
else:
def update_status(percent, comment=""):
pass
def update_status_final(comment=""):
pass
def print_tortoise_memory_log(summary, fp):
stry = "PID:\t%s\tPEAK:\t%s,%s\tEST:\t%s\tBIBS:\t%s\n" % (summary['pid'], summary['peak1'], summary['peak2'], summary['est'], summary['bibs'])
fp.write(stry)
def parse_tortoise_memory_log(memfile_path):
f = open(memfile_path)
lines = f.readlines()
f.close()
def line_2_dict(line):
line = line.split('\t')
ret = { 'mem1' : int(line[3].split(",")[0]),
'mem2' : int(line[3].split(",")[1]),
'est' : float(line[5]),
'bibs' : int(line[7])
}
return ret
return map(line_2_dict, lines)
eps = 1e-6
def is_eq(v1, v2):
return v1 + eps > v2 and v2 + eps > v1

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