214 lines
7.3 KiB
Python
Executable File
214 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python
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# OpenEmbedded pkgdata utility
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#
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# Written by: Paul Eggleton <paul.eggleton@linux.intel.com>
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#
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# Copyright 2012 Intel Corporation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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#
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# Currently only has two functions:
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# 1) glob - mapping of packages to their dev/dbg/doc/locale etc. counterparts.
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# 2) read-value - mapping of packagenames to their location in
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# pkgdata and then returns value of selected variable (e.g. PKGSIZE)
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# Could be extended in future to perform other useful querying functions on the
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# pkgdata though.
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#
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import sys
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import os
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import os.path
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import fnmatch
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import re
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def usage():
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print("syntax: oe-pkgdata-util glob [-d] <pkgdatadir> <vendor-os> <pkglist> \"<globs>\"\n \
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read-value [-d] <pkgdatadir> <vendor-os> <value-name> \"<package-name>_<package_architecture>\"");
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def glob(args):
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if len(args) < 3:
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usage()
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sys.exit(1)
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pkgdata_dir = args[0]
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pkglist_file = args[1]
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globs = args[2].split()
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skipregex = re.compile("-locale-|^locale-base-|-dev$|-doc$|-dbg$|-staticdev$|^kernel-module-")
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mappedpkgs = set()
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with open(pkglist_file, 'r') as f:
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for line in f:
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fields = line.rstrip().split()
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if len(fields) < 2:
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continue
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pkg = fields[0]
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arch = fields[1]
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# Skip packages for which there is no point applying globs
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if skipregex.search(pkg):
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if debug:
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print("%s -> !!" % pkg)
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continue
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# Skip packages that already match the globs, so if e.g. a dev package
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# is already installed and thus in the list, we don't process it any further
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# Most of these will be caught by skipregex already, but just in case...
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already = False
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for g in globs:
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if fnmatch.fnmatchcase(pkg, g):
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already = True
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break
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if already:
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if debug:
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print("%s -> !" % pkg)
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continue
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# Define some functions
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def revpkgdata(pkgn):
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return os.path.join(pkgdata_dir, "runtime-reverse", pkgn)
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def fwdpkgdata(pkgn):
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return os.path.join(pkgdata_dir, "runtime", pkgn)
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def readpn(pkgdata_file):
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pn = ""
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with open(pkgdata_file, 'r') as f:
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for line in f:
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if line.startswith("PN:"):
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pn = line.split(': ')[1].rstrip()
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return pn
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def readrenamed(pkgdata_file):
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renamed = ""
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pn = os.path.basename(pkgdata_file)
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with open(pkgdata_file, 'r') as f:
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for line in f:
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if line.startswith("PKG_%s:" % pn):
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renamed = line.split(': ')[1].rstrip()
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return renamed
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# Main processing loop
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for g in globs:
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mappedpkg = ""
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# First just try substitution (i.e. packagename -> packagename-dev)
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newpkg = g.replace("*", pkg)
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revlink = revpkgdata(newpkg)
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if os.path.exists(revlink):
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mappedpkg = os.path.basename(os.readlink(revlink))
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fwdfile = fwdpkgdata(mappedpkg)
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if os.path.exists(fwdfile):
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mappedpkg = readrenamed(fwdfile)
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if not os.path.exists(fwdfile + ".packaged"):
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mappedpkg = ""
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else:
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revlink = revpkgdata(pkg)
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if os.path.exists(revlink):
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# Check if we can map after undoing the package renaming (by resolving the symlink)
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origpkg = os.path.basename(os.readlink(revlink))
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newpkg = g.replace("*", origpkg)
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fwdfile = fwdpkgdata(newpkg)
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if os.path.exists(fwdfile):
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mappedpkg = readrenamed(fwdfile)
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else:
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# That didn't work, so now get the PN, substitute that, then map in the other direction
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pn = readpn(revlink)
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newpkg = g.replace("*", pn)
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fwdfile = fwdpkgdata(newpkg)
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if os.path.exists(fwdfile):
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mappedpkg = readrenamed(fwdfile)
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if not os.path.exists(fwdfile + ".packaged"):
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mappedpkg = ""
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else:
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# Package doesn't even exist...
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if debug:
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print "%s is not a valid package!" % (pkg)
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break
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if mappedpkg:
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if debug:
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print "%s (%s) -> %s" % (pkg, g, mappedpkg)
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mappedpkgs.add(mappedpkg)
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else:
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if debug:
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print "%s (%s) -> ?" % (pkg, g)
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if debug:
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print "------"
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print("\n".join(mappedpkgs))
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def read_value(args):
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if len(args) < 3:
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usage()
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sys.exit(1)
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pkgdata_dir = args[0]
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var = args[1]
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packages = args[2].split()
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def readvar(pkgdata_file, var):
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val = ""
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with open(pkgdata_file, 'r') as f:
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for line in f:
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if line.startswith(var + ":"):
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val = line.split(': ')[1].rstrip()
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return val
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if debug:
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print "read-value('%s', '%s' '%s'" % (pkgdata_dir, var, packages)
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for package in packages:
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pkg_split = package.split('_')
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pkg_name = pkg_split[0]
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pkg_arch = '_'.join(pkg_split[1:])
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if debug:
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print "package: name: '%s', arch: '%s'" % (pkg_name, pkg_arch)
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revlink = os.path.join(pkgdata_dir, "runtime-reverse", pkg_name)
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if debug:
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print(revlink)
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if os.path.exists(revlink):
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mappedpkg = os.path.basename(os.readlink(revlink))
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qvar = var
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if qvar == "PKGSIZE":
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# append packagename
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qvar = "%s_%s" % (var, mappedpkg)
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print(readvar(revlink, qvar))
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# Too lazy to use getopt
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debug = False
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noopt = False
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args = []
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for arg in sys.argv[1:]:
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if arg == "--":
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noopt = True
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else:
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if not noopt:
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if arg == "-d":
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debug = True
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continue
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args.append(arg)
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if len(args) < 1:
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usage()
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sys.exit(1)
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if args[0] == "glob":
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glob(args[1:])
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elif args[0] == "read-value":
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read_value(args[1:])
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else:
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usage()
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sys.exit(1)
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