diff options
Diffstat (limited to 'lib/bb/parse/parse_py/ConfHandler.py')
| -rw-r--r-- | lib/bb/parse/parse_py/ConfHandler.py | 95 |
1 files changed, 45 insertions, 50 deletions
diff --git a/lib/bb/parse/parse_py/ConfHandler.py b/lib/bb/parse/parse_py/ConfHandler.py index 9d3ebe16f..7826dee7d 100644 --- a/lib/bb/parse/parse_py/ConfHandler.py +++ b/lib/bb/parse/parse_py/ConfHandler.py @@ -1,6 +1,3 @@ -#!/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 @@ -11,18 +8,8 @@ # 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 version 2 as -# published by the Free Software Foundation. +# SPDX-License-Identifier: GPL-2.0-only # -# 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., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. import errno import re @@ -33,8 +20,8 @@ from bb.parse import ParseError, resolve_file, ast, logger, handle __config_regexp__ = re.compile( r""" ^ (?P<exp>export\s+)? - (?P<var>[a-zA-Z0-9\-_+.${}/~]+?) - (\[(?P<flag>[a-zA-Z0-9\-_+.]+)\])? + (?P<var>[a-zA-Z0-9\-_+.${}/~:]+?) + (\[(?P<flag>[a-zA-Z0-9\-_+.][a-zA-Z0-9\-_+.@]*)\])? \s* ( (?P<colon>:=) | @@ -58,13 +45,11 @@ __include_regexp__ = re.compile( r"include\s+(.+)" ) __require_regexp__ = re.compile( r"require\s+(.+)" ) __export_regexp__ = re.compile( r"export\s+([a-zA-Z0-9\-_+.${}/~]+)$" ) __unset_regexp__ = re.compile( r"unset\s+([a-zA-Z0-9\-_+.${}/~]+)$" ) -__unset_flag_regexp__ = re.compile( r"unset\s+([a-zA-Z0-9\-_+.${}/~]+)\[([a-zA-Z0-9\-_+.]+)\]$" ) +__unset_flag_regexp__ = re.compile( r"unset\s+([a-zA-Z0-9\-_+.${}/~]+)\[([a-zA-Z0-9\-_+.][a-zA-Z0-9\-_+.@]+)\]$" ) +__addpylib_regexp__ = re.compile(r"addpylib\s+(.+)\s+(.+)" ) def init(data): - topdir = data.getVar('TOPDIR', False) - if not topdir: - data.setVar('TOPDIR', os.getcwd()) - + return def supports(fn, d): return fn[-5:] == ".conf" @@ -108,7 +93,7 @@ def include_single_file(parentfn, fn, lineno, data, error_out): if exc.errno == errno.ENOENT: if error_out: raise ParseError("Could not %s file %s" % (error_out, fn), parentfn, lineno) - logger.debug(2, "CONF file '%s' not found", fn) + logger.debug2("CONF file '%s' not found", fn) else: if error_out: raise ParseError("Could not %s file %s: %s" % (error_out, fn, exc.strerror), parentfn, lineno) @@ -118,12 +103,12 @@ def include_single_file(parentfn, fn, lineno, data, error_out): # We have an issue where a UI might want to enforce particular settings such as # an empty DISTRO variable. If configuration files do something like assigning # a weak default, it turns out to be very difficult to filter out these changes, -# particularly when the weak default might appear half way though parsing a chain +# particularly when the weak default might appear half way though parsing a chain # of configuration files. We therefore let the UIs hook into configuration file # parsing. This turns out to be a hard problem to solve any other way. confFilters = [] -def handle(fn, data, include): +def handle(fn, data, include, baseconfig=False): init(data) if include == 0: @@ -132,30 +117,35 @@ def handle(fn, data, include): oldfile = data.getVar('FILE', False) abs_fn = resolve_file(fn, data) - f = open(abs_fn, 'r') - - statements = ast.StatementGroup() - lineno = 0 - while True: - lineno = lineno + 1 - s = f.readline() - if not s: - break - w = s.strip() - # skip empty lines - if not w: - continue - s = s.rstrip() - while s[-1] == '\\': - s2 = f.readline().strip() + with open(abs_fn, 'r') as f: + + statements = ast.StatementGroup() + lineno = 0 + while True: lineno = lineno + 1 - if (not s2 or s2 and s2[0] != "#") and s[0] == "#" : - bb.fatal("There is a confusing multiline, partially commented expression on line %s of file %s (%s).\nPlease clarify whether this is all a comment or should be parsed." % (lineno, fn, s)) - s = s[:-1] + s2 - # skip comments - if s[0] == '#': - continue - feeder(lineno, s, abs_fn, statements) + s = f.readline() + if not s: + break + origlineno = lineno + origline = s + w = s.strip() + # skip empty lines + if not w: + continue + s = s.rstrip() + while s[-1] == '\\': + line = f.readline() + origline += line + s2 = line.rstrip() + lineno = lineno + 1 + if (not s2 or s2 and s2[0] != "#") and s[0] == "#" : + bb.fatal("There is a confusing multiline, partially commented expression starting on line %s of file %s:\n%s\nPlease clarify whether this is all a comment or should be parsed." % (origlineno, fn, origline)) + + s = s[:-1] + s2 + # skip comments + if s[0] == '#': + continue + feeder(lineno, s, abs_fn, statements, baseconfig=baseconfig) # DONE WITH PARSING... time to evaluate data.setVar('FILE', abs_fn) @@ -163,14 +153,14 @@ def handle(fn, data, include): if oldfile: data.setVar('FILE', oldfile) - f.close() - for f in confFilters: f(fn, data) return data -def feeder(lineno, s, fn, statements): +# baseconfig is set for the bblayers/layer.conf cookerdata config parsing +# The function is also used by BBHandler, conffile would be False +def feeder(lineno, s, fn, statements, baseconfig=False, conffile=True): m = __config_regexp__.match(s) if m: groupd = m.groupdict() @@ -202,6 +192,11 @@ def feeder(lineno, s, fn, statements): ast.handleUnsetFlag(statements, fn, lineno, m) return + m = __addpylib_regexp__.match(s) + if baseconfig and conffile and m: + ast.handlePyLib(statements, fn, lineno, m) + return + raise ParseError("unparsed line: '%s'" % s, fn, lineno); # Add us to the handlers list |