diff options
Diffstat (limited to 'portage_with_autodep/pym/portage/util/_info_files.py')
| -rw-r--r-- | portage_with_autodep/pym/portage/util/_info_files.py | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/portage_with_autodep/pym/portage/util/_info_files.py b/portage_with_autodep/pym/portage/util/_info_files.py new file mode 100644 index 0000000..fabf74b --- /dev/null +++ b/portage_with_autodep/pym/portage/util/_info_files.py @@ -0,0 +1,138 @@ +# Copyright 1999-2012 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +import errno +import logging +import re +import stat +import subprocess + +import portage +from portage import os + +def chk_updated_info_files(root, infodirs, prev_mtimes): + + if os.path.exists("/usr/bin/install-info"): + out = portage.output.EOutput() + regen_infodirs = [] + for z in infodirs: + if z == '': + continue + inforoot = portage.util.normalize_path(root + z) + if os.path.isdir(inforoot) and \ + not [x for x in os.listdir(inforoot) \ + if x.startswith('.keepinfodir')]: + infomtime = os.stat(inforoot)[stat.ST_MTIME] + if inforoot not in prev_mtimes or \ + prev_mtimes[inforoot] != infomtime: + regen_infodirs.append(inforoot) + + if not regen_infodirs: + portage.util.writemsg_stdout("\n") + if portage.util.noiselimit >= 0: + out.einfo("GNU info directory index is up-to-date.") + else: + portage.util.writemsg_stdout("\n") + if portage.util.noiselimit >= 0: + out.einfo("Regenerating GNU info directory index...") + + dir_extensions = ("", ".gz", ".bz2") + icount = 0 + badcount = 0 + errmsg = "" + for inforoot in regen_infodirs: + if inforoot == '': + continue + + if not os.path.isdir(inforoot) or \ + not os.access(inforoot, os.W_OK): + continue + + file_list = os.listdir(inforoot) + file_list.sort() + dir_file = os.path.join(inforoot, "dir") + moved_old_dir = False + processed_count = 0 + for x in file_list: + if x.startswith(".") or \ + os.path.isdir(os.path.join(inforoot, x)): + continue + if x.startswith("dir"): + skip = False + for ext in dir_extensions: + if x == "dir" + ext or \ + x == "dir" + ext + ".old": + skip = True + break + if skip: + continue + if processed_count == 0: + for ext in dir_extensions: + try: + os.rename(dir_file + ext, dir_file + ext + ".old") + moved_old_dir = True + except EnvironmentError as e: + if e.errno != errno.ENOENT: + raise + del e + processed_count += 1 + try: + proc = subprocess.Popen( + ['/usr/bin/install-info', + '--dir-file=%s' % os.path.join(inforoot, "dir"), + os.path.join(inforoot, x)], + env=dict(os.environ, LANG="C", LANGUAGE="C"), + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + except OSError: + myso = None + else: + myso = portage._unicode_decode( + proc.communicate()[0]).rstrip("\n") + proc.wait() + existsstr = "already exists, for file `" + if myso: + if re.search(existsstr, myso): + # Already exists... Don't increment the count for this. + pass + elif myso[:44] == "install-info: warning: no info dir entry in ": + # This info file doesn't contain a DIR-header: install-info produces this + # (harmless) warning (the --quiet switch doesn't seem to work). + # Don't increment the count for this. + pass + else: + badcount += 1 + errmsg += myso + "\n" + icount += 1 + + if moved_old_dir and not os.path.exists(dir_file): + # We didn't generate a new dir file, so put the old file + # back where it was originally found. + for ext in dir_extensions: + try: + os.rename(dir_file + ext + ".old", dir_file + ext) + except EnvironmentError as e: + if e.errno != errno.ENOENT: + raise + del e + + # Clean dir.old cruft so that they don't prevent + # unmerge of otherwise empty directories. + for ext in dir_extensions: + try: + os.unlink(dir_file + ext + ".old") + except EnvironmentError as e: + if e.errno != errno.ENOENT: + raise + del e + + #update mtime so we can potentially avoid regenerating. + prev_mtimes[inforoot] = os.stat(inforoot)[stat.ST_MTIME] + + if badcount: + out.eerror("Processed %d info files; %d errors." % \ + (icount, badcount)) + portage.util.writemsg_level(errmsg, + level=logging.ERROR, noiselevel=-1) + else: + if icount > 0 and portage.util.noiselimit >= 0: + out.einfo("Processed %d info files." % (icount,)) |