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Diffstat (limited to 'portage_with_autodep/pym/portage/_emirrordist/DeletionIterator.py')
-rw-r--r--portage_with_autodep/pym/portage/_emirrordist/DeletionIterator.py83
1 files changed, 83 insertions, 0 deletions
diff --git a/portage_with_autodep/pym/portage/_emirrordist/DeletionIterator.py b/portage_with_autodep/pym/portage/_emirrordist/DeletionIterator.py
new file mode 100644
index 0000000..dff52c0
--- /dev/null
+++ b/portage_with_autodep/pym/portage/_emirrordist/DeletionIterator.py
@@ -0,0 +1,83 @@
+# Copyright 2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import logging
+import stat
+
+from portage import os
+from .DeletionTask import DeletionTask
+
+class DeletionIterator(object):
+
+ def __init__(self, config):
+ self._config = config
+
+ def __iter__(self):
+ distdir = self._config.options.distfiles
+ file_owners = self._config.file_owners
+ whitelist = self._config.whitelist
+ distfiles_local = self._config.options.distfiles_local
+ deletion_db = self._config.deletion_db
+ deletion_delay = self._config.options.deletion_delay
+ start_time = self._config.start_time
+ distfiles_set = set(os.listdir(self._config.options.distfiles))
+ for filename in distfiles_set:
+ try:
+ st = os.stat(os.path.join(distdir, filename))
+ except OSError as e:
+ logging.error("stat failed on '%s' in distfiles: %s\n" %
+ (filename, e))
+ continue
+ if not stat.S_ISREG(st.st_mode):
+ continue
+ elif filename in file_owners:
+ if deletion_db is not None:
+ try:
+ del deletion_db[filename]
+ except KeyError:
+ pass
+ elif whitelist is not None and filename in whitelist:
+ if deletion_db is not None:
+ try:
+ del deletion_db[filename]
+ except KeyError:
+ pass
+ elif distfiles_local is not None and \
+ os.path.exists(os.path.join(distfiles_local, filename)):
+ if deletion_db is not None:
+ try:
+ del deletion_db[filename]
+ except KeyError:
+ pass
+ else:
+ self._config.scheduled_deletion_count += 1
+
+ if deletion_db is None or deletion_delay is None:
+
+ yield DeletionTask(background=True,
+ distfile=filename,
+ config=self._config)
+
+ else:
+ deletion_entry = deletion_db.get(filename)
+
+ if deletion_entry is None:
+ logging.debug("add '%s' to deletion db" % filename)
+ deletion_db[filename] = start_time
+
+ elif deletion_entry + deletion_delay <= start_time:
+
+ yield DeletionTask(background=True,
+ distfile=filename,
+ config=self._config)
+
+ if deletion_db is not None:
+ for filename in list(deletion_db):
+ if filename not in distfiles_set:
+ try:
+ del deletion_db[filename]
+ except KeyError:
+ pass
+ else:
+ logging.debug("drop '%s' from deletion db" %
+ filename)