# Automatic source code provision (AGPL compliance)
+import os
import sys
import fnmatch
+import stat
+import subprocess
+import tempfile
class SourceShipmentPreparer():
def __init__(s, destdir):
s.output_name = 'srcbomb.tar.gz'
# defaults, caller can modify after creation
s.src_filter = s.src_filter_glob
- s.src_filter_globs = ['/usr/local/*', '!/usr*', '!/etc/*']
+ s.src_package_globs = ['!/usr/local/*', '/usr*']
+ s.src_filter_globs = ['!/etc/*']
s.src_likeparent = s.src_likeparent_git
+ s.report_from_packages = s.report_from_packages_debian
s.cwd = os.getcwd()
- s.excludes = ['*~', '*.bak', '*.tmp', '#*#']
+ s.find_rune_base = "find -type f -perm -004 \! -path '*/tmp/*'"
+ s.excludes = ['*~', '*.bak', '*.tmp', '#*#',
+ '[0-9][0-9][0-9][0-9]-src.cpio']
s.rune_shell = ['/bin/bash', '-ec']
- s.rune_cpio = r''''
+ s.show_pathnames = True
+ s.rune_cpio = r'''
set -o pipefail
(
%s
s.rune_portmanteau = r'''
outfile=$1; shift
rm -f "$outfile"
- GZIP=-9 tar zcf "$outfile" "$@"'
+ GZIP=-1 tar zcf "$outfile" "$@"
'''
s.manifest_name='0000-MANIFEST.txt'
# private
s._destdir = destdir
- s._outcounter = 1
+ s._outcounter = 0
s._manifest = []
+ s._dirmap = { }
+ s._package_files = { } # map filename => infol
- def src_filter_glob(s, src): # default s.src_filter
- for pat in s.src_filter_globs:
+ def thing_matches_globs(s, thing, globs):
+ for pat in globs:
negate = pat.startswith('!')
if negate: pat = pat[1:]
- if fnmatch.fnmatch(src, pat):
+ if fnmatch.fnmatch(thing, pat):
return not negate
return negate
+ def src_filter_glob(s, src): # default s.src_filter
+ return s.thing_matches_globs(src, s.src_filter_globs)
+
def src_likeparent_git(s, src):
try:
- stat(os.path.join(d, '.git/.'))
+ os.stat(os.path.join(src, '.git/.'))
except FileNotFoundError:
return False
else:
search = os.path.realpath(search)
def ascend():
+ nonlocal search
xinfo.append(os.path.basename(search))
search = os.path.dirname(search)
try:
- stab = lstat(search)
+ stab = os.lstat(search)
except FileNotFoundError:
return
if stat.S_ISREG(stab.st_mode):
while not os.path.ismount(search):
if s.src_likeparent(search):
xinfo.reverse()
- infol.append(os.path.join(*xinfo))
+ if len(xinfo): infol.append('want=' + os.path.join(*xinfo))
return search
ascend()
# no .git found anywhere
- return d
+ return src
- def src_prenormaliser(s, d): # callers may monkey-patch away
+ def path_prenormaliser(s, d, infol): # callers may monkey-patch away
return os.path.join(s.cwd, os.path.abspath(d))
- def src_find_rune(s, d):
- script = 'find -type f -perm +004'
- for excl in s.excludes:
+ def srcdir_find_rune(s, d):
+ script = s.find_rune_base
+ for excl in s.excludes + [s.output_name, s.manifest_name]:
assert("'" not in excl)
script += r" \! -name '%s'" % excl
script += ' -print0'
+ return script
+
+ def manifest_append(s, name, infol):
+ s._manifest.append({ 'file':name, 'info':' '.join(infol) })
+
+ def manifest_append_absentfile(s, name, infol):
+ s._manifest.append({ 'file_print':name, 'info':' '.join(infol) })
def new_output_name(s, nametail, infol):
- name = '%04d-%s' % (s._outcounter++, nametail)
- s._manifest.append((name, infol.join(' '))
+ s._outcounter += 1
+ name = '%04d-%s' % (s._outcounter, nametail)
+ s.manifest_append(name, infol)
return name
def open_output_fh(s, name, mode):
return open(os.path.join(s._destdir, name), mode)
- def new_output_fh(s, nametail, infol):
- name = new_output_name(s, nametail, infol)
- return open_output_fh(name, 'wb')
+ def src_dir(s, d, infol):
+ try: name = s._dirmap[d]
+ except KeyError: pass
+ else:
+ s.manifest_append(name, infol)
+ return
- def mk_from_dir(s, d):
- find_rune = s.src_find_rune(s, d)
+ if s.show_pathnames: infol.append(d)
+ find_rune = s.srcdir_find_rune(d)
total_rune = s.rune_cpio % find_rune
- fh = new_output_fh('src.cpio')
+
+ name = s.new_output_name('src.cpio', infol)
+ s._dirmap[d] = name
+ fh = s.open_output_fh(name, 'wb')
+
subprocess.run(s.rune_shell + [total_rune],
- cwd=s._destdir,
+ cwd=d,
stdin=subprocess.DEVNULL,
stdout=fh,
- restore_signals=True)
+ restore_signals=True,
+ check=True)
fh.close()
- def mk_from_src(s, d, infol):
- d = s.src_prenormaliser(d, infol)
+ def src_indir(s, d, infol):
+ d = s.path_prenormaliser(d, infol)
if not s.src_filter(d): return
+
d = s.src_parentfinder(d, infol)
- s.mk_from_dir(d, infol)
+ if d is None: return
+ s.src_dir(d, infol)
+
+ def report_from_packages_debian(s, files):
+ dpkg_S_in = tempfile.TemporaryFile(mode='w+')
+ for (file, infols) in files.items():
+ assert('\n' not in file)
+ dpkg_S_in.write(file)
+ dpkg_S_in.write('\0')
+ dpkg_S_in.seek(0)
+ cmdl = ['xargs','-0r','dpkg','-S','--']
+ dpkg_S = subprocess.Popen(cmdl,
+ cwd='/',
+ stdin=dpkg_S_in,
+ stdout=subprocess.PIPE,
+ stderr=sys.stderr,
+ close_fds=False)
+ dpkg_show_in = tempfile.TemporaryFile(mode='w+')
+ pkginfos = { }
+ for l in dpkg_S.stdout:
+ l = l.strip(b'\n').decode('utf-8')
+ (pkgs, fname) = l.split(': ',1)
+ pks = pkgs.split(', ')
+ for pk in pks:
+ pkginfos.setdefault(pk,{'files':[]})['files'].append(fname)
+ print(pk, file=dpkg_show_in)
+ assert(dpkg_S.wait() == 0)
+ dpkg_show_in.seek(0)
+ cmdl = ['xargs','-r','dpkg-query',
+ r'-f${binary:Package}\t${Package}\t${Architecture}\t${Version}\t${source:Package}\t${source:Version}\n',
+ '--show','--']
+ dpkg_show = subprocess.Popen(cmdl,
+ cwd='/',
+ stdin=dpkg_show_in,
+ stdout=subprocess.PIPE,
+ stderr=sys.stderr,
+ close_fds=False)
+ for l in dpkg_show.stdout:
+ l = l.strip(b'\n').decode('utf-8')
+ (pk,p,a,v,sp,sv) = l.split('\t')
+ pkginfos[pk]['binary'] = p
+ pkginfos[pk]['arch'] = a
+ pkginfos[pk]['version'] = v
+ pkginfos[pk]['source'] = sp
+ pkginfos[pk]['sourceversion'] = sv
+ assert(dpkg_show.wait() == 0)
+ for pk in sorted(pkginfos.keys()):
+ pi = pkginfos[pk]
+ debfname = '%s_%s_%s.deb' % (pi['binary'], pi['version'], pi['arch'])
+ dscfname = '%s_%s.dsc' % (pi['source'], pi['sourceversion'])
+ s.manifest_append_absentfile(dscfname, [debfname])
+ for fname in pi['files']:
+ infol = files[fname]
+ if s.show_pathnames: infol = infol + ['loaded='+fname]
+ s.manifest_append_absentfile(' \t' + debfname, infol)
+
+ def thing_ought_packaged(s, fname):
+ return s.thing_matches_globs(fname, s.src_package_globs)
- def mk_from_srcs(s, dirs=sys.path):
- s.mk_from_src(sys.argv[0], ['argv[0]'])
+ def src_file_packaged(s, fname, infol):
+ s._package_files.setdefault(fname,[]).extend(infol)
+
+ def src_file(s, fname, infol):
+ def fngens():
+ yield (infol, fname)
+ infol_copy = infol.copy()
+ yield (infol_copy, s.path_prenormaliser(fname, infol_copy))
+ yield (infol, os.path.realpath(fname))
+
+ for (tinfol, tfname) in fngens():
+ if s.thing_ought_packaged(tfname):
+ s.src_file_packaged(tfname, tinfol)
+ return
+
+ s.src_indir(fname, infol)
+
+ def src_argv0(s, program, infol):
+ s.src_file(program, infol)
+
+ def src_syspath(s, fname, infol):
+ if s.thing_ought_packaged(fname): return
+ s.src_indir(fname, infol)
+
+ def src_module(s, m, infol):
+ try: fname = m.__file__
+ except AttributeError: return
+ infol.append('module='+m.__name__)
+
+ if s.thing_ought_packaged(fname):
+ s.src_file_packaged(fname, infol)
+ else:
+ s.src_indir(fname, infol)
+
+ def srcs_allitems(s, dirs=sys.path):
+ s.src_argv0(sys.argv[0], ['argv[0]'])
for d in sys.path:
- s.mk_from_src(d, ['sys.path'])
+ s.src_syspath(d, ['sys.path'])
+ for m in sys.modules.values():
+ s.src_module(m, ['sys.modules'])
+ s.report_from_packages(s._package_files)
- def mk_portmanteau(s):]
+ def mk_portmanteau(s):
cmdl = s.rune_shell + [ s.rune_portmanteau, 'x',
s.output_name, s.manifest_name ]
- mfh = open_output_fh(s.manifest_name,'w')
- for (name, info) in s._manifest:
- cmdl.append(name)
- print('%s\t%s\n' % (name,info), file=mfh)
+ mfh = s.open_output_fh(s.manifest_name,'w')
+ for me in s._manifest:
+ try: fname = me['file']
+ except KeyError: fname = me.get('file_print','')
+ else: cmdl.append(fname)
+ print('%s\t%s' % (fname, me['info']), file=mfh)
mfh.close()
- subprocess.run(s.rune_shell + cmdl,
- cmd=s._destdir,
+ subprocess.run(cmdl,
+ cwd=s._destdir,
stdin=subprocess.DEVNULL,
stdout=sys.stderr,
- restore_signals=True)
+ restore_signals=True,
+ check=True)
def generate(s):
- s.mk_from_srcdirs()
+ s.srcs_allitems()
s.mk_portmanteau()
~ian / hippotat.git / blobdiff