1 # Automatic source code provision (AGPL compliance)
10 class SourceShipmentPreparer():
11 def __init__(s, destdir):
12 # caller may modify, and should read after calling generate()
13 s.output_name = 'srcbomb.tar.gz'
14 # defaults, caller can modify after creation
15 s.src_filter = s.src_filter_glob
16 s.src_package_globs = ['!/usr/local/*', '/usr*']
17 s.src_filter_globs = ['!/etc/*']
18 s.src_likeparent = s.src_likeparent_git
19 s.src_direxcludes = s.src_direxcludes_git
20 s.report_from_packages = s.report_from_packages_debian
22 s.find_rune_base = "find -type f -perm -004 \! -path '*/tmp/*'"
23 s.ignores = ['*~', '*.bak', '*.tmp', '#*#', '__pycache__',
24 '[0-9][0-9][0-9][0-9]-src.cpio']
25 s.rune_shell = ['/bin/bash', '-ec']
26 s.show_pathnames = True
31 # ^ by default, is find ... -print0
33 cpio -Hustar -o --quiet -0 -R 1000:1000 || \
34 cpio -Hustar -o --quiet -0
37 s.rune_portmanteau = r'''
40 GZIP=-1 tar zcf "$outfile" "$@"
42 s.manifest_name='0000-MANIFEST.txt'
48 s._package_files = { } # map filename => infol
50 def thing_matches_globs(s, thing, globs):
52 negate = pat.startswith('!')
53 if negate: pat = pat[1:]
54 if fnmatch.fnmatch(thing, pat):
58 def src_filter_glob(s, src): # default s.src_filter
59 return s.thing_matches_globs(src, s.src_filter_globs)
61 def src_direxcludes_git(s, d):
63 excl = open(os.path.join(d, '.gitignore'))
64 except FileNotFoundError:
69 if l.startswith('#'): next
74 def src_likeparent_git(s, src):
76 os.stat(os.path.join(src, '.git/.'))
77 except FileNotFoundError:
82 def src_parentfinder(s, src, infol): # callers may monkey-patch away
83 for deref in (False,True):
88 search = os.path.realpath(search)
92 xinfo.append(os.path.basename(search))
93 search = os.path.dirname(search)
96 stab = os.lstat(search)
97 except FileNotFoundError:
99 if stat.S_ISREG(stab.st_mode):
102 while not os.path.ismount(search):
103 if s.src_likeparent(search):
105 if len(xinfo): infol.append('want=' + os.path.join(*xinfo))
110 # no .git found anywhere
113 def path_prenormaliser(s, d, infol): # callers may monkey-patch away
114 return os.path.join(s.cwd, os.path.abspath(d))
116 def srcdir_find_rune(s, d):
117 script = s.find_rune_base
118 ignores = s.ignores + [s.output_name, s.manifest_name]
119 ignores += s.src_direxcludes(d)
121 assert("'" not in excl)
122 script += r" \! -name '%s'" % excl
123 script += r" \! -path '*/%s/*'" % excl
127 def manifest_append(s, name, infol):
128 s._manifest.append({ 'file':name, 'info':' '.join(infol) })
130 def manifest_append_absentfile(s, name, infol):
131 s._manifest.append({ 'file_print':name, 'info':' '.join(infol) })
133 def new_output_name(s, nametail, infol):
135 name = '%04d-%s' % (s._outcounter, nametail)
136 s.manifest_append(name, infol)
139 def open_output_fh(s, name, mode):
140 return open(os.path.join(s._destdir, name), mode)
142 def src_dir(s, d, infol):
143 try: name = s._dirmap[d]
144 except KeyError: pass
146 s.manifest_append(name, infol)
149 if s.show_pathnames: infol.append(d)
150 find_rune = s.srcdir_find_rune(d)
151 total_rune = s.rune_cpio % find_rune
153 name = s.new_output_name('src.cpio', infol)
155 fh = s.open_output_fh(name, 'wb')
157 subprocess.run(s.rune_shell + [total_rune],
159 stdin=subprocess.DEVNULL,
161 restore_signals=True,
165 def src_indir(s, d, infol):
166 d = s.path_prenormaliser(d, infol)
167 if not s.src_filter(d): return
169 d = s.src_parentfinder(d, infol)
173 def report_from_packages_debian(s, files):
174 dpkg_S_in = tempfile.TemporaryFile(mode='w+')
175 for (file, infols) in files.items():
176 assert('\n' not in file)
177 dpkg_S_in.write(file)
178 dpkg_S_in.write('\0')
180 cmdl = ['xargs','-0r','dpkg','-S','--']
181 dpkg_S = subprocess.Popen(cmdl,
184 stdout=subprocess.PIPE,
187 dpkg_show_in = tempfile.TemporaryFile(mode='w+')
189 for l in dpkg_S.stdout:
190 l = l.strip(b'\n').decode('utf-8')
191 (pkgs, fname) = l.split(': ',1)
192 pks = pkgs.split(', ')
194 pkginfos.setdefault(pk,{'files':[]})['files'].append(fname)
195 print(pk, file=dpkg_show_in)
196 assert(dpkg_S.wait() == 0)
198 cmdl = ['xargs','-r','dpkg-query',
199 r'-f${binary:Package}\t${Package}\t${Architecture}\t${Version}\t${source:Package}\t${source:Version}\n',
201 dpkg_show = subprocess.Popen(cmdl,
204 stdout=subprocess.PIPE,
207 for l in dpkg_show.stdout:
208 l = l.strip(b'\n').decode('utf-8')
209 (pk,p,a,v,sp,sv) = l.split('\t')
210 pkginfos[pk]['binary'] = p
211 pkginfos[pk]['arch'] = a
212 pkginfos[pk]['version'] = v
213 pkginfos[pk]['source'] = sp
214 pkginfos[pk]['sourceversion'] = sv
215 assert(dpkg_show.wait() == 0)
216 for pk in sorted(pkginfos.keys()):
218 debfname = '%s_%s_%s.deb' % (pi['binary'], pi['version'], pi['arch'])
219 dscfname = '%s_%s.dsc' % (pi['source'], pi['sourceversion'])
220 s.manifest_append_absentfile(dscfname, [debfname])
221 for fname in pi['files']:
223 if s.show_pathnames: infol = infol + ['loaded='+fname]
224 s.manifest_append_absentfile(' \t' + debfname, infol)
226 def thing_ought_packaged(s, fname):
227 return s.thing_matches_globs(fname, s.src_package_globs)
229 def src_file_packaged(s, fname, infol):
230 s._package_files.setdefault(fname,[]).extend(infol)
232 def src_file(s, fname, infol):
235 infol_copy = infol.copy()
236 yield (infol_copy, s.path_prenormaliser(fname, infol_copy))
237 yield (infol, os.path.realpath(fname))
239 for (tinfol, tfname) in fngens():
240 if s.thing_ought_packaged(tfname):
241 s.src_file_packaged(tfname, tinfol)
244 s.src_indir(fname, infol)
246 def src_argv0(s, program, infol):
247 s.src_file(program, infol)
249 def src_syspath(s, fname, infol):
250 if s.thing_ought_packaged(fname): return
251 s.src_indir(fname, infol)
253 def src_module(s, m, infol):
254 try: fname = m.__file__
255 except AttributeError: return
256 infol.append('module='+m.__name__)
258 if s.thing_ought_packaged(fname):
259 s.src_file_packaged(fname, infol)
261 s.src_indir(fname, infol)
263 def srcs_allitems(s, dirs=sys.path):
264 s.src_argv0(sys.argv[0], ['argv[0]'])
266 s.src_syspath(d, ['sys.path'])
267 for m in sys.modules.values():
268 s.src_module(m, ['sys.modules'])
269 s.report_from_packages(s._package_files)
271 def mk_portmanteau(s):
272 cmdl = s.rune_shell + [ s.rune_portmanteau, 'x',
273 s.output_name, s.manifest_name ]
274 mfh = s.open_output_fh(s.manifest_name,'w')
275 for me in s._manifest:
276 try: fname = me['file']
277 except KeyError: fname = me.get('file_print','')
278 else: cmdl.append(fname)
279 print('%s\t%s' % (fname, me['info']), file=mfh)
283 stdin=subprocess.DEVNULL,
285 restore_signals=True,