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author | Anthony G. Basile <blueness@gentoo.org> | 2012-12-23 21:18:28 -0500 |
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committer | Anthony G. Basile <blueness@gentoo.org> | 2012-12-23 21:18:28 -0500 |
commit | 94a5e3365b3d6f3658e090838004e9a3bf9ab148 (patch) | |
tree | 8c12812adc389cd4369d43c2e4daeaaf3342f082 | |
parent | misc/link_maps{,_portage}: compare reading /var/db/pkg directly and via portage (diff) | |
download | elfix-94a5e3365b3d6f3658e090838004e9a3bf9ab148.tar.gz elfix-94a5e3365b3d6f3658e090838004e9a3bf9ab148.tar.bz2 elfix-94a5e3365b3d6f3658e090838004e9a3bf9ab148.zip |
misc/alt-revdep-pax: read NEEDED.ELF.2 via portage
-rwxr-xr-x | misc/alt-revdep-pax | 67 |
1 files changed, 25 insertions, 42 deletions
diff --git a/misc/alt-revdep-pax b/misc/alt-revdep-pax index f35a9ea..69086af 100755 --- a/misc/alt-revdep-pax +++ b/misc/alt-revdep-pax @@ -31,6 +31,7 @@ import os import sys import re import pax +import portage """ python2/3 compat input """ @@ -51,32 +52,20 @@ Here the sonames were obtained from the ELF object by scanelf -nm """ def get_object_needed(): - """ - import portage vardb = portage.db[portage.root]["vartree"].dbapi - vardb.aux_get('sys-apps/coreutils-8.20', ['NEEDED.ELF.2']) - vardb.cpv_all() # list of all packages - """ - - var_db_pkg = '/var/db/pkg' object_needed = {} - for cat in os.listdir(var_db_pkg): - catdir = '%s/%s' % (var_db_pkg, cat) - for pkg in os.listdir(catdir): - pkgdir = '%s/%s' % (catdir, pkg) - need = '%s/%s' % (pkgdir, 'NEEDED.ELF.2') - try: - g = open(need, 'r') - needs = g.readlines() - for line in needs: - line = line.strip() - link = re.split(';', line) - elf = link[1] - sonames = re.split(',', link[4]) - object_needed[elf] = sonames - except IOError: - continue #File probably doesn't exist, which is okay + + for pkg in vardb.cpv_all(): + needs = vardb.aux_get(pkg, ['NEEDED.ELF.2'])[0].strip() + if not needs: #skip empty lines + continue + lines = re.split('\n', needs) + for line in lines: + link = re.split(';', line) + elf = link[1] + sonames = re.split(',', link[4]) + object_needed[elf] = sonames return object_needed @@ -92,29 +81,23 @@ and its inverse which has structure """ def get_libraries(): - var_db_pkg = '/var/db/pkg' + vardb = portage.db[portage.root]["vartree"].dbapi library2soname = {} soname2library = {} - for cat in os.listdir(var_db_pkg): - catdir = '%s/%s' % (var_db_pkg, cat) - for pkg in os.listdir(catdir): - pkgdir = '%s/%s' % (catdir, pkg) - need = '%s/%s' % (pkgdir, 'NEEDED.ELF.2') - try: - g = open(need, 'r') - needs = g.readlines() - for line in needs: - line = line.strip() - link = re.split(';', line) - elf = link[1] - soname = link[2] - if soname: #no soname => executable - library2soname[elf] = soname - soname2library[soname] = elf - except IOError: - continue #File probably doesn't exist, which is okay + for pkg in vardb.cpv_all(): + needs = vardb.aux_get(pkg, ['NEEDED.ELF.2'])[0].strip() + if not needs: #skip empty lines + continue + lines = re.split('\n', needs) + for line in lines: + link = re.split(';', line) + elf = link[1] + soname = link[2] + if soname: #no soname => executable + library2soname[elf] = soname + soname2library[soname] = elf return ( library2soname, soname2library ) |