Rename pym→lib, for better distutils-r1 interoperability

Closes: https://github.com/gentoo/portage/pull/343

1 files changed, 168 insertions, 0 deletions

diff --git a/lib/_emerge/post_emerge.py b/lib/_emerge/post_emerge.py
new file mode 100644
index 000000000..7e6063c52
--- /dev/null
+++ b/lib/_emerge/post_emerge.py
@@ -0,0 +1,168 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+from __future__ import print_function
+
+import logging
+import textwrap
+
+import portage
+from portage import os
+from portage.emaint.modules.logs.logs import CleanLogs
+from portage.news import count_unread_news, display_news_notifications
+from portage.output import colorize
+from portage.util._dyn_libs.display_preserved_libs import \
+	display_preserved_libs
+from portage.util._info_files import chk_updated_info_files
+
+from .chk_updated_cfg_files import chk_updated_cfg_files
+from .emergelog import emergelog
+from ._flush_elog_mod_echo import _flush_elog_mod_echo
+
+def clean_logs(settings):
+
+	if "clean-logs" not in settings.features:
+		return
+
+	logdir = settings.get("PORT_LOGDIR")
+	if logdir is None or not os.path.isdir(logdir):
+		return
+
+	cleanlogs = CleanLogs()
+	returncode, msgs = cleanlogs.clean(settings=settings)
+	if not returncode:
+		out = portage.output.EOutput()
+		for msg in msgs:
+			out.eerror(msg)
+
+def display_news_notification(root_config, myopts):
+	if "news" not in root_config.settings.features:
+		return False
+	portdb = root_config.trees["porttree"].dbapi
+	vardb = root_config.trees["vartree"].dbapi
+	news_counts = count_unread_news(portdb, vardb)
+	if all(v == 0 for v in news_counts.values()):
+		return False
+	display_news_notifications(news_counts)
+	return True
+
+def show_depclean_suggestion():
+	out = portage.output.EOutput()
+	msg = "After world updates, it is important to remove " + \
+		"obsolete packages with emerge --depclean. Refer " + \
+		"to `man emerge` for more information."
+	for line in textwrap.wrap(msg, 72):
+		out.ewarn(line)
+
+def post_emerge(myaction, myopts, myfiles,
+	target_root, trees, mtimedb, retval):
+	"""
+	Misc. things to run at the end of a merge session.
+
+	Update Info Files
+	Update Config Files
+	Update News Items
+	Commit mtimeDB
+	Display preserved libs warnings
+
+	@param myaction: The action returned from parse_opts()
+	@type myaction: String
+	@param myopts: emerge options
+	@type myopts: dict
+	@param myfiles: emerge arguments
+	@type myfiles: list
+	@param target_root: The target EROOT for myaction
+	@type target_root: String
+	@param trees: A dictionary mapping each ROOT to it's package databases
+	@type trees: dict
+	@param mtimedb: The mtimeDB to store data needed across merge invocations
+	@type mtimedb: MtimeDB class instance
+	@param retval: Emerge's return value
+	@type retval: Int
+	"""
+
+	root_config = trees[target_root]["root_config"]
+	vardbapi = trees[target_root]['vartree'].dbapi
+	settings = vardbapi.settings
+	info_mtimes = mtimedb["info"]
+
+	# Load the most current variables from ${ROOT}/etc/profile.env
+	settings.unlock()
+	settings.reload()
+	settings.regenerate()
+	settings.lock()
+
+	config_protect = portage.util.shlex_split(
+		settings.get("CONFIG_PROTECT", ""))
+	infodirs = settings.get("INFOPATH","").split(":") + \
+		settings.get("INFODIR","").split(":")
+
+	os.chdir("/")
+
+	if retval == os.EX_OK:
+		exit_msg = " *** exiting successfully."
+	else:
+		exit_msg = " *** exiting unsuccessfully with status '%s'." % retval
+	emergelog("notitles" not in settings.features, exit_msg)
+
+	_flush_elog_mod_echo()
+
+	if not vardbapi._pkgs_changed:
+		# GLEP 42 says to display news *after* an emerge --pretend
+		if "--pretend" in myopts:
+			display_news_notification(root_config, myopts)
+		# If vdb state has not changed then there's nothing else to do.
+		return
+
+	vdb_path = os.path.join(root_config.settings['EROOT'], portage.VDB_PATH)
+	portage.util.ensure_dirs(vdb_path)
+	vdb_lock = None
+	if os.access(vdb_path, os.W_OK) and not "--pretend" in myopts:
+		vardbapi.lock()
+		vdb_lock = True
+
+	if vdb_lock:
+		try:
+			if "noinfo" not in settings.features:
+				chk_updated_info_files(target_root,
+					infodirs, info_mtimes)
+			mtimedb.commit()
+		finally:
+			if vdb_lock:
+				vardbapi.unlock()
+
+	# Explicitly load and prune the PreservedLibsRegistry in order
+	# to ensure that we do not display stale data.
+	vardbapi._plib_registry.load()
+
+	if vardbapi._plib_registry.hasEntries():
+		if "--quiet" in myopts:
+			print()
+			print(colorize("WARN", "!!!") + " existing preserved libs found")
+		else:
+			print()
+			print(colorize("WARN", "!!!") + " existing preserved libs:")
+			display_preserved_libs(vardbapi)
+			print("Use " + colorize("GOOD", "emerge @preserved-rebuild") +
+				" to rebuild packages using these libraries")
+
+	chk_updated_cfg_files(settings['EROOT'], config_protect)
+
+	display_news_notification(root_config, myopts)
+
+	postemerge = os.path.join(settings["PORTAGE_CONFIGROOT"],
+		portage.USER_CONFIG_PATH, "bin", "post_emerge")
+	if os.access(postemerge, os.X_OK):
+		hook_retval = portage.process.spawn(
+						[postemerge], env=settings.environ())
+		if hook_retval != os.EX_OK:
+			portage.util.writemsg_level(
+				" %s spawn failed of %s\n" %
+				(colorize("BAD", "*"), postemerge,),
+				level=logging.ERROR, noiselevel=-1)
+
+	clean_logs(settings)
+
+	if "--quiet" not in myopts and \
+		myaction is None and "@world" in myfiles:
+		show_depclean_suggestion()