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#
# Stuff for dealing with configuration files.
#
#
# This code is part of the LWN git data miner.
#
# Copyright 2007-10 LWN.net
# Copyright 2007-10 Jonathan Corbet <corbet@lwn.net>
#
# This file may be distributed under the terms of the GNU General
# Public License, version 2.
#
import sys, re, datetime, os.path
import database
#
# Read a line and strip out junk.
#
def ReadConfigLine (file):
line = file.readline ()
if not line:
return None
line = line.split('#')[0] # Get rid of any comments
line = line.strip () # and extra white space
if len (line) == 0: # we got rid of everything
return ReadConfigLine (file)
return line
#
# Give up and die.
#
def croak (message):
sys.stderr.write (message + '\n')
sys.exit (1)
#
# Read a list of email aliases.
#
def ReadEmailAliases (name):
try:
file = open (name, 'r')
except IOError:
croak ('Unable to open email alias file %s' % (name))
line = ReadConfigLine (file)
while line:
m = re.match ('^("[^"]+"|\S+)\s+(.+)$', line)
if not m or len (m.groups ()) != 2:
croak ('Funky email alias line "%s"' % (line))
if m and m.group (2).find ('@') <= 0:
croak ('Non-addresses in email alias "%s"' % (line))
database.AddEmailAlias (m.group (1).replace ('"', ''), m.group (2))
line = ReadConfigLine (file)
file.close ()
#
# The Email/Employer map
#
EMMpat = re.compile (r'^([^\s]+)\s+([^<]+)\s*(<\s*(\d+-\d+-\d+)\s*)?$')
def ReadEmailEmployers (name):
try:
file = open (name, 'r')
except IOError:
croak ('Unable to open email/employer file %s' % (name))
line = ReadConfigLine (file)
while line:
m = EMMpat.match (line)
if not m:
croak ('Funky email/employer line "%s"' % (line))
email = m.group (1)
company = m.group (2).strip ()
enddate = ParseDate (m.group (4))
database.AddEmailEmployerMapping (email, company, enddate)
line = ReadConfigLine (file)
file.close ()
def ParseDate (cdate):
if not cdate:
return None
sdate = cdate.split ('-')
return datetime.date (int (sdate[0]), int (sdate[1]), int (sdate[2]))
def ReadGroupMap (fname, employer):
try:
file = open (fname, 'r')
except IOError:
croak ('Unable to open group map file %s' % (fname))
line = ReadConfigLine (file)
while line:
database.AddEmailEmployerMapping (line, employer)
line = ReadConfigLine (file)
file.close ()
#
# Read an overall config file.
#
def ConfigFile (name, confdir):
try:
file = open (name, 'r')
except IOError:
croak ('Unable to open config file %s' % (name))
line = ReadConfigLine (file)
while line:
sline = line.split (None, 2)
if len (sline) < 2:
croak ('Funky config line: "%s"' % (line))
if sline[0] == 'EmailAliases':
ReadEmailAliases (os.path.join (confdir, sline[1]))
elif sline[0] == 'EmailMap':
ReadEmailEmployers (os.path.join (confdir, sline[1]))
elif sline[0] == 'GroupMap':
if len (sline) != 3:
croak ('Funky group map line "%s"' % (line))
ReadGroupMap (os.path.join (confdir, sline[1]), sline[2])
else:
croak ('Unrecognized config line: "%s"' % (line))
line = ReadConfigLine (file)
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