sharp-binary-only: remove unused libs/utils for Zaurus
[openembedded.git] / classes / emit_data.bbclass
blob127af4a44ce16b393c16baa8d534b0a7df01a583
1 # Emit the datastore to a file, and if it was previously emitted, display the
2 # differences to the user.
4 EMIT_DIR = "${TMPDIR}/emit-data"
5 EMIT_BLACKLIST += "BUILDSTART DATE TIME DATETIME \
6                    __* _  PWD \
7                    DISPLAY XDG_SESSION_COOKIE \
8                    SSH_AUTH_SOCK SSH_TTY SSH_CLIENT SSH_CONNECTION \
9                    SESSION_MANAGER DESKTOP_SESSION COLORTERM TERM \
10                    XAUTHORITY GTK_RC_FILES DBUS_SESSION_BUS_ADDRESS \
11                    GREP_OPTIONS \
12                    GNOME_KEYRING GNOME_KEYRING_PID"
14 def diff_datadict(d, old_data, data):
15     from itertools import chain
16     from difflib import Differ
17     from fnmatch import fnmatchcase
19     blacklist = d.getVar("EMIT_BLACKLIST", True).split()
21     keys = sorted(set(chain(old_data.iterkeys(), data.iterkeys())))
22     keys = [key for key in keys
23             if not any(fnmatchcase(key, pat) for pat in blacklist)]
25     old = ["%s: %s\n" % (key, old_data.get(key)) for key in keys]
26     new = ["%s: %s\n" % (key, data.get(key)) for key in keys]
27     return Differ().compare(old, new)
30 python do_emit_data () {
31     import pickle
33     data = dict((key, repr(d.getVar(key, False))) for key in d.keys())
34     outfile = os.path.join(d.getVar("EMIT_DIR", True), d.getVar("PF", True))
35     bb.mkdirhier(os.path.dirname(outfile))
36     if os.path.exists(outfile):
37         f = open(outfile, "rb")
38         old_data = pickle.load(f)
39         f.close()
41         diff = diff_datadict(d, old_data, data)
42         differences = [line for line in diff if not line.startswith(" ")]
43         if differences:
44             bb.note(bb.data.expand("${PF}: data has changed:", d))
45             for line in differences:
46                 bb.note(line.rstrip())
48     pickle.dump(data, open(outfile, "wb"))
50 do_emit_data[nostamp] = "1"
51 addtask emit_data
53 do_emit_data_all[recrdeptask] = "do_emit_data"
54 do_emit_data_all[nostamp] = "1"
55 addtask emit_data_all after do_emit_data