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author | Dave Cobbley <david.j.cobbley@linux.intel.com> | 2018-08-14 20:05:37 +0300 |
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committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-08-23 04:26:31 +0300 |
commit | eb8dc40360f0cfef56fb6947cc817a547d6d9bc6 (patch) | |
tree | de291a73dc37168da6370e2cf16c347d1eba9df8 /poky/bitbake/lib/bb/parse/__init__.py | |
parent | 9c3cf826d853102535ead04cebc2d6023eff3032 (diff) | |
download | openbmc-eb8dc40360f0cfef56fb6947cc817a547d6d9bc6.tar.xz |
[Subtree] Removing import-layers directory
As part of the move to subtrees, need to bring all the import layers
content to the top level.
Change-Id: I4a163d10898cbc6e11c27f776f60e1a470049d8f
Signed-off-by: Dave Cobbley <david.j.cobbley@linux.intel.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Diffstat (limited to 'poky/bitbake/lib/bb/parse/__init__.py')
-rw-r--r-- | poky/bitbake/lib/bb/parse/__init__.py | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/poky/bitbake/lib/bb/parse/__init__.py b/poky/bitbake/lib/bb/parse/__init__.py new file mode 100644 index 000000000..5397d57a5 --- /dev/null +++ b/poky/bitbake/lib/bb/parse/__init__.py @@ -0,0 +1,175 @@ +""" +BitBake Parsers + +File parsers for the BitBake build tools. + +""" + + +# 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. +# +# 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. +# +# Based on functions from the base bb module, Copyright 2003 Holger Schurig + +handlers = [] + +import errno +import logging +import os +import stat +import bb +import bb.utils +import bb.siggen + +logger = logging.getLogger("BitBake.Parsing") + +class ParseError(Exception): + """Exception raised when parsing fails""" + def __init__(self, msg, filename, lineno=0): + self.msg = msg + self.filename = filename + self.lineno = lineno + Exception.__init__(self, msg, filename, lineno) + + def __str__(self): + if self.lineno: + return "ParseError at %s:%d: %s" % (self.filename, self.lineno, self.msg) + else: + return "ParseError in %s: %s" % (self.filename, self.msg) + +class SkipRecipe(Exception): + """Exception raised to skip this recipe""" + +class SkipPackage(SkipRecipe): + """Exception raised to skip this recipe (use SkipRecipe in new code)""" + +__mtime_cache = {} +def cached_mtime(f): + if f not in __mtime_cache: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + return __mtime_cache[f] + +def cached_mtime_noerror(f): + if f not in __mtime_cache: + try: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + except OSError: + return 0 + return __mtime_cache[f] + +def update_mtime(f): + try: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + except OSError: + if f in __mtime_cache: + del __mtime_cache[f] + return 0 + return __mtime_cache[f] + +def update_cache(f): + if f in __mtime_cache: + logger.debug(1, "Updating mtime cache for %s" % f) + update_mtime(f) + +def clear_cache(): + global __mtime_cache + __mtime_cache = {} + +def mark_dependency(d, f): + if f.startswith('./'): + f = "%s/%s" % (os.getcwd(), f[2:]) + deps = (d.getVar('__depends', False) or []) + s = (f, cached_mtime_noerror(f)) + if s not in deps: + deps.append(s) + d.setVar('__depends', deps) + +def check_dependency(d, f): + s = (f, cached_mtime_noerror(f)) + deps = (d.getVar('__depends', False) or []) + return s in deps + +def supports(fn, data): + """Returns true if we have a handler for this file, false otherwise""" + for h in handlers: + if h['supports'](fn, data): + return 1 + return 0 + +def handle(fn, data, include = 0): + """Call the handler that is appropriate for this file""" + for h in handlers: + if h['supports'](fn, data): + with data.inchistory.include(fn): + return h['handle'](fn, data, include) + raise ParseError("not a BitBake file", fn) + +def init(fn, data): + for h in handlers: + if h['supports'](fn): + return h['init'](data) + +def init_parser(d): + bb.parse.siggen = bb.siggen.init(d) + +def resolve_file(fn, d): + if not os.path.isabs(fn): + bbpath = d.getVar("BBPATH") + newfn, attempts = bb.utils.which(bbpath, fn, history=True) + for af in attempts: + mark_dependency(d, af) + if not newfn: + raise IOError(errno.ENOENT, "file %s not found in %s" % (fn, bbpath)) + fn = newfn + else: + mark_dependency(d, fn) + + if not os.path.isfile(fn): + raise IOError(errno.ENOENT, "file %s not found" % fn) + + return fn + +# Used by OpenEmbedded metadata +__pkgsplit_cache__={} +def vars_from_file(mypkg, d): + if not mypkg or not mypkg.endswith((".bb", ".bbappend")): + return (None, None, None) + if mypkg in __pkgsplit_cache__: + return __pkgsplit_cache__[mypkg] + + myfile = os.path.splitext(os.path.basename(mypkg)) + parts = myfile[0].split('_') + __pkgsplit_cache__[mypkg] = parts + if len(parts) > 3: + raise ParseError("Unable to generate default variables from filename (too many underscores)", mypkg) + exp = 3 - len(parts) + tmplist = [] + while exp != 0: + exp -= 1 + tmplist.append(None) + parts.extend(tmplist) + return parts + +def get_file_depends(d): + '''Return the dependent files''' + dep_files = [] + depends = d.getVar('__base_depends', False) or [] + depends = depends + (d.getVar('__depends', False) or []) + for (fn, _) in depends: + dep_files.append(os.path.abspath(fn)) + return " ".join(dep_files) + +from bb.parse.parse_py import __version__, ConfHandler, BBHandler |