mirror of
https://git.yoctoproject.org/poky
synced 2026-05-30 00:20:08 +00:00
Initial population
git-svn-id: https://svn.o-hand.com/repos/poky@2 311d38ba-8fff-0310-9ca6-ca027cbcb966
This commit is contained in:
Richard Purdie
@@ -0,0 +1,199 @@
|
||||
#!/usr/bin/env python
|
||||
# ex:ts=4:sw=4:sts=4:et
|
||||
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
|
||||
"""class for handling configuration data files
|
||||
|
||||
Reads a .conf file and obtains its metadata
|
||||
|
||||
Copyright (C) 2003, 2004 Chris Larson
|
||||
Copyright (C) 2003, 2004 Phil Blundell
|
||||
|
||||
This program 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.
|
||||
|
||||
This program 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
|
||||
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
||||
Place, Suite 330, Boston, MA 02111-1307 USA."""
|
||||
|
||||
import re, bb.data, os, sys
|
||||
from bb import debug, fatal
|
||||
from bb.parse import ParseError
|
||||
|
||||
#__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}]+)\s*(?P<colon>:)?(?P<ques>\?)?=\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
|
||||
__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}/]+)(\[(?P<flag>[a-zA-Z0-9\-_+.]+)\])?\s*((?P<colon>:=)|(?P<ques>\?=)|(?P<append>\+=)|(?P<prepend>=\+)|(?P<predot>=\.)|(?P<postdot>\.=)|=)\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
|
||||
__include_regexp__ = re.compile( r"include\s+(.+)" )
|
||||
|
||||
def init(data):
|
||||
if not bb.data.getVar('TOPDIR', data):
|
||||
bb.data.setVar('TOPDIR', os.getcwd(), data)
|
||||
if not bb.data.getVar('BBPATH', data):
|
||||
bb.data.setVar('BBPATH', os.path.join(sys.prefix, 'share', 'bitbake'), data)
|
||||
|
||||
def supports(fn, d):
|
||||
return localpath(fn, d)[-5:] == ".conf"
|
||||
|
||||
def localpath(fn, d):
|
||||
if os.path.exists(fn):
|
||||
return fn
|
||||
|
||||
localfn = None
|
||||
try:
|
||||
localfn = bb.fetch.localpath(fn, d)
|
||||
except bb.MalformedUrl:
|
||||
pass
|
||||
|
||||
if not localfn:
|
||||
localfn = fn
|
||||
return localfn
|
||||
|
||||
def obtain(fn, data = bb.data.init()):
|
||||
import sys, bb
|
||||
fn = bb.data.expand(fn, data)
|
||||
localfn = bb.data.expand(localpath(fn, data), data)
|
||||
|
||||
if localfn != fn:
|
||||
dldir = bb.data.getVar('DL_DIR', data, 1)
|
||||
if not dldir:
|
||||
debug(1, "obtain: DL_DIR not defined")
|
||||
return localfn
|
||||
bb.mkdirhier(dldir)
|
||||
try:
|
||||
bb.fetch.init([fn])
|
||||
except bb.fetch.NoMethodError:
|
||||
(type, value, traceback) = sys.exc_info()
|
||||
debug(1, "obtain: no method: %s" % value)
|
||||
return localfn
|
||||
|
||||
try:
|
||||
bb.fetch.go(data)
|
||||
except bb.fetch.MissingParameterError:
|
||||
(type, value, traceback) = sys.exc_info()
|
||||
debug(1, "obtain: missing parameters: %s" % value)
|
||||
return localfn
|
||||
except bb.fetch.FetchError:
|
||||
(type, value, traceback) = sys.exc_info()
|
||||
debug(1, "obtain: failed: %s" % value)
|
||||
return localfn
|
||||
return localfn
|
||||
|
||||
|
||||
def include(oldfn, fn, data = bb.data.init()):
|
||||
if oldfn == fn: # prevent infinate recursion
|
||||
return None
|
||||
|
||||
import bb
|
||||
fn = bb.data.expand(fn, data)
|
||||
oldfn = bb.data.expand(oldfn, data)
|
||||
|
||||
from bb.parse import handle
|
||||
try:
|
||||
ret = handle(fn, data, 1)
|
||||
except IOError:
|
||||
debug(2, "CONF file '%s' not found" % fn)
|
||||
|
||||
def handle(fn, data = bb.data.init(), include = 0):
|
||||
if include:
|
||||
inc_string = "including"
|
||||
else:
|
||||
inc_string = "reading"
|
||||
init(data)
|
||||
|
||||
if include == 0:
|
||||
bb.data.inheritFromOS(data)
|
||||
oldfile = None
|
||||
else:
|
||||
oldfile = bb.data.getVar('FILE', data)
|
||||
|
||||
fn = obtain(fn, data)
|
||||
bbpath = []
|
||||
if not os.path.isabs(fn):
|
||||
f = None
|
||||
vbbpath = bb.data.getVar("BBPATH", data)
|
||||
if vbbpath:
|
||||
bbpath += vbbpath.split(":")
|
||||
for p in bbpath:
|
||||
currname = os.path.join(bb.data.expand(p, data), fn)
|
||||
if os.access(currname, os.R_OK):
|
||||
f = open(currname, 'r')
|
||||
abs_fn = currname
|
||||
debug(1, "CONF %s %s" % (inc_string, currname))
|
||||
break
|
||||
if f is None:
|
||||
raise IOError("file not found")
|
||||
else:
|
||||
f = open(fn,'r')
|
||||
debug(1, "CONF %s %s" % (inc_string,fn))
|
||||
abs_fn = fn
|
||||
|
||||
if include:
|
||||
bb.parse.mark_dependency(data, abs_fn)
|
||||
|
||||
lineno = 0
|
||||
bb.data.setVar('FILE', fn, data)
|
||||
while 1:
|
||||
lineno = lineno + 1
|
||||
s = f.readline()
|
||||
if not s: break
|
||||
w = s.strip()
|
||||
if not w: continue # skip empty lines
|
||||
s = s.rstrip()
|
||||
if s[0] == '#': continue # skip comments
|
||||
while s[-1] == '\\':
|
||||
s2 = f.readline()[:-1].strip()
|
||||
lineno = lineno + 1
|
||||
s = s[:-1] + s2
|
||||
feeder(lineno, s, fn, data)
|
||||
|
||||
if oldfile:
|
||||
bb.data.setVar('FILE', oldfile, data)
|
||||
return data
|
||||
|
||||
def feeder(lineno, s, fn, data = bb.data.init()):
|
||||
m = __config_regexp__.match(s)
|
||||
if m:
|
||||
groupd = m.groupdict()
|
||||
key = groupd["var"]
|
||||
if "exp" in groupd and groupd["exp"] != None:
|
||||
bb.data.setVarFlag(key, "export", 1, data)
|
||||
if "ques" in groupd and groupd["ques"] != None:
|
||||
val = bb.data.getVar(key, data)
|
||||
if val == None:
|
||||
val = groupd["value"]
|
||||
elif "colon" in groupd and groupd["colon"] != None:
|
||||
val = bb.data.expand(groupd["value"], data)
|
||||
elif "append" in groupd and groupd["append"] != None:
|
||||
val = "%s %s" % ((bb.data.getVar(key, data) or ""), groupd["value"])
|
||||
elif "prepend" in groupd and groupd["prepend"] != None:
|
||||
val = "%s %s" % (groupd["value"], (bb.data.getVar(key, data) or ""))
|
||||
elif "postdot" in groupd and groupd["postdot"] != None:
|
||||
val = "%s%s" % ((bb.data.getVar(key, data) or ""), groupd["value"])
|
||||
elif "predot" in groupd and groupd["predot"] != None:
|
||||
val = "%s%s" % (groupd["value"], (bb.data.getVar(key, data) or ""))
|
||||
else:
|
||||
val = groupd["value"]
|
||||
if 'flag' in groupd and groupd['flag'] != None:
|
||||
# bb.note("setVarFlag(%s, %s, %s, data)" % (key, groupd['flag'], val))
|
||||
bb.data.setVarFlag(key, groupd['flag'], val, data)
|
||||
else:
|
||||
bb.data.setVar(key, val, data)
|
||||
return
|
||||
|
||||
m = __include_regexp__.match(s)
|
||||
if m:
|
||||
s = bb.data.expand(m.group(1), data)
|
||||
# debug(2, "CONF %s:%d: including %s" % (fn, lineno, s))
|
||||
include(fn, s, data)
|
||||
return
|
||||
|
||||
raise ParseError("%s:%d: unparsed line: '%s'" % (fn, lineno, s));
|
||||
|
||||
# Add us to the handlers list
|
||||
from bb.parse import handlers
|
||||
handlers.append({'supports': supports, 'handle': handle, 'init': init})
|
||||
del handlers
|
||||
Reference in New Issue
Block a user