remove bsddb

1 files changed, 0 insertions, 370 deletions

diff --git a/Lib/bsddb/dbshelve.py b/Lib/bsddb/dbshelve.py
deleted file mode 100644
index eaddaf98c5..0000000000
--- a/Lib/bsddb/dbshelve.py
+++ /dev/null
@@ -1,370 +0,0 @@
-#!/bin/env python
-#------------------------------------------------------------------------
-#           Copyright (c) 1997-2001 by Total Control Software
-#                         All Rights Reserved
-#------------------------------------------------------------------------
-#
-# Module Name:  dbShelve.py
-#
-# Description:  A reimplementation of the standard shelve.py that
-#               forces the use of cPickle, and DB.
-#
-# Creation Date:    11/3/97 3:39:04PM
-#
-# License:      This is free software.  You may use this software for any
-#               purpose including modification/redistribution, so long as
-#               this header remains intact and that you do not claim any
-#               rights of ownership or authorship of this software.  This
-#               software has been tested, but no warranty is expressed or
-#               implied.
-#
-# 13-Dec-2000:  Updated to be used with the new bsddb3 package.
-#               Added DBShelfCursor class.
-#
-#------------------------------------------------------------------------
-
-"""Manage shelves of pickled objects using bsddb database files for the
-storage.
-"""
-
-#------------------------------------------------------------------------
-
-import pickle
-import sys
-
-import sys
-absolute_import = (sys.version_info[0] >= 3)
-if absolute_import :
-    # Because this syntaxis is not valid before Python 2.5
-    exec("from . import db")
-else :
-    from . import db
-
-#At version 2.3 cPickle switched to using protocol instead of bin
-if sys.version_info[:3] >= (2, 3, 0):
-    HIGHEST_PROTOCOL = pickle.HIGHEST_PROTOCOL
-# In python 2.3.*, "cPickle.dumps" accepts no
-# named parameters. "pickle.dumps" accepts them,
-# so this seems a bug.
-    if sys.version_info[:3] < (2, 4, 0):
-        def _dumps(object, protocol):
-            return pickle.dumps(object, protocol)
-    else :
-        def _dumps(object, protocol):
-            return pickle.dumps(object, protocol=protocol)
-
-else:
-    HIGHEST_PROTOCOL = None
-    def _dumps(object, protocol):
-        return pickle.dumps(object, bin=protocol)
-
-
-if sys.version_info[0:2] <= (2, 5) :
-    try:
-        from UserDict import DictMixin
-    except ImportError:
-        # DictMixin is new in Python 2.3
-        class DictMixin: pass
-    MutableMapping = DictMixin
-else :
-    import collections
-    MutableMapping = collections.MutableMapping
-
-#------------------------------------------------------------------------
-
-
-def open(filename, flags=db.DB_CREATE, mode=0o660, filetype=db.DB_HASH,
-         dbenv=None, dbname=None):
-    """
-    A simple factory function for compatibility with the standard
-    shleve.py module.  It can be used like this, where key is a string
-    and data is a pickleable object:
-
-        from bsddb import dbshelve
-        db = dbshelve.open(filename)
-
-        db[key] = data
-
-        db.close()
-    """
-    if type(flags) == type(''):
-        sflag = flags
-        if sflag == 'r':
-            flags = db.DB_RDONLY
-        elif sflag == 'rw':
-            flags = 0
-        elif sflag == 'w':
-            flags =  db.DB_CREATE
-        elif sflag == 'c':
-            flags =  db.DB_CREATE
-        elif sflag == 'n':
-            flags = db.DB_TRUNCATE | db.DB_CREATE
-        else:
-            raise db.DBError("flags should be one of 'r', 'w', 'c' or 'n' or use the bsddb.db.DB_* flags")
-
-    d = DBShelf(dbenv)
-    d.open(filename, dbname, filetype, flags, mode)
-    return d
-
-#---------------------------------------------------------------------------
-
-class DBShelveError(db.DBError): pass
-
-
-class DBShelf(MutableMapping):
-    """A shelf to hold pickled objects, built upon a bsddb DB object.  It
-    automatically pickles/unpickles data objects going to/from the DB.
-    """
-    def __init__(self, dbenv=None):
-        self.db = db.DB(dbenv)
-        self._closed = True
-        if HIGHEST_PROTOCOL:
-            self.protocol = HIGHEST_PROTOCOL
-        else:
-            self.protocol = 1
-
-
-    def __del__(self):
-        self.close()
-
-
-    def __getattr__(self, name):
-        """Many methods we can just pass through to the DB object.
-        (See below)
-        """
-        return getattr(self.db, name)
-
-
-    #-----------------------------------
-    # Dictionary access methods
-
-    def __len__(self):
-        return len(self.db)
-
-
-    def __getitem__(self, key):
-        data = self.db[key]
-        return pickle.loads(data)
-
-
-    def __setitem__(self, key, value):
-        data = _dumps(value, self.protocol)
-        self.db[key] = data
-
-
-    def __delitem__(self, key):
-        del self.db[key]
-
-
-    def keys(self, txn=None):
-        if txn != None:
-            return self.db.keys(txn)
-        else:
-            return list(self.db.keys())
-
-    if sys.version_info[0:2] >= (2, 6) :
-        def __iter__(self) :
-            return self.db.__iter__()
-
-
-    def open(self, *args, **kwargs):
-        self.db.open(*args, **kwargs)
-        self._closed = False
-
-
-    def close(self, *args, **kwargs):
-        self.db.close(*args, **kwargs)
-        self._closed = True
-
-
-    def __repr__(self):
-        if self._closed:
-            return '<DBShelf @ 0x%x - closed>' % (id(self))
-        else:
-            return repr(dict(iter(self.items())))
-
-
-    def items(self, txn=None):
-        if txn != None:
-            items = self.db.items(txn)
-        else:
-            items = list(self.db.items())
-        newitems = []
-
-        for k, v in items:
-            newitems.append( (k, pickle.loads(v)) )
-        return newitems
-
-    def values(self, txn=None):
-        if txn != None:
-            values = self.db.values(txn)
-        else:
-            values = list(self.db.values())
-
-        return list(map(pickle.loads, values))
-
-    #-----------------------------------
-    # Other methods
-
-    def __append(self, value, txn=None):
-        data = _dumps(value, self.protocol)
-        return self.db.append(data, txn)
-
-    def append(self, value, txn=None):
-        if self.get_type() == db.DB_RECNO:
-            return self.__append(value, txn=txn)
-        raise DBShelveError("append() only supported when dbshelve opened with filetype=dbshelve.db.DB_RECNO")
-
-
-    def associate(self, secondaryDB, callback, flags=0):
-        def _shelf_callback(priKey, priData, realCallback=callback):
-            # Safe in Python 2.x because expresion short circuit
-            if sys.version_info[0] < 3 or isinstance(priData, bytes) :
-                data = pickle.loads(priData)
-            else :
-                data = pickle.loads(bytes(priData, "iso8859-1"))  # 8 bits
-            return realCallback(priKey, data)
-
-        return self.db.associate(secondaryDB, _shelf_callback, flags)
-
-
-    #def get(self, key, default=None, txn=None, flags=0):
-    def get(self, *args, **kw):
-        # We do it with *args and **kw so if the default value wasn't
-        # given nothing is passed to the extension module.  That way
-        # an exception can be raised if set_get_returns_none is turned
-        # off.
-        data = self.db.get(*args, **kw)
-        try:
-            return pickle.loads(data)
-        except (EOFError, TypeError, pickle.UnpicklingError):
-            return data  # we may be getting the default value, or None,
-                         # so it doesn't need unpickled.
-
-    def get_both(self, key, value, txn=None, flags=0):
-        data = _dumps(value, self.protocol)
-        data = self.db.get(key, data, txn, flags)
-        return pickle.loads(data)
-
-
-    def cursor(self, txn=None, flags=0):
-        c = DBShelfCursor(self.db.cursor(txn, flags))
-        c.protocol = self.protocol
-        return c
-
-
-    def put(self, key, value, txn=None, flags=0):
-        data = _dumps(value, self.protocol)
-        return self.db.put(key, data, txn, flags)
-
-
-    def join(self, cursorList, flags=0):
-        raise NotImplementedError
-
-
-    #----------------------------------------------
-    # Methods allowed to pass-through to self.db
-    #
-    #    close,  delete, fd, get_byteswapped, get_type, has_key,
-    #    key_range, open, remove, rename, stat, sync,
-    #    upgrade, verify, and all set_* methods.
-
-
-#---------------------------------------------------------------------------
-
-class DBShelfCursor:
-    """
-    """
-    def __init__(self, cursor):
-        self.dbc = cursor
-
-    def __del__(self):
-        self.close()
-
-
-    def __getattr__(self, name):
-        """Some methods we can just pass through to the cursor object.  (See below)"""
-        return getattr(self.dbc, name)
-
-
-    #----------------------------------------------
-
-    def dup(self, flags=0):
-        c = DBShelfCursor(self.dbc.dup(flags))
-        c.protocol = self.protocol
-        return c
-
-
-    def put(self, key, value, flags=0):
-        data = _dumps(value, self.protocol)
-        return self.dbc.put(key, data, flags)
-
-
-    def get(self, *args):
-        count = len(args)  # a method overloading hack
-        method = getattr(self, 'get_%d' % count)
-        method(*args)
-
-    def get_1(self, flags):
-        rec = self.dbc.get(flags)
-        return self._extract(rec)
-
-    def get_2(self, key, flags):
-        rec = self.dbc.get(key, flags)
-        return self._extract(rec)
-
-    def get_3(self, key, value, flags):
-        data = _dumps(value, self.protocol)
-        rec = self.dbc.get(key, flags)
-        return self._extract(rec)
-
-
-    def current(self, flags=0): return self.get_1(flags|db.DB_CURRENT)
-    def first(self, flags=0): return self.get_1(flags|db.DB_FIRST)
-    def last(self, flags=0): return self.get_1(flags|db.DB_LAST)
-    def next(self, flags=0): return self.get_1(flags|db.DB_NEXT)
-    def prev(self, flags=0): return self.get_1(flags|db.DB_PREV)
-    def consume(self, flags=0): return self.get_1(flags|db.DB_CONSUME)
-    def next_dup(self, flags=0): return self.get_1(flags|db.DB_NEXT_DUP)
-    def next_nodup(self, flags=0): return self.get_1(flags|db.DB_NEXT_NODUP)
-    def prev_nodup(self, flags=0): return self.get_1(flags|db.DB_PREV_NODUP)
-
-
-    def get_both(self, key, value, flags=0):
-        data = _dumps(value, self.protocol)
-        rec = self.dbc.get_both(key, flags)
-        return self._extract(rec)
-
-
-    def set(self, key, flags=0):
-        rec = self.dbc.set(key, flags)
-        return self._extract(rec)
-
-    def set_range(self, key, flags=0):
-        rec = self.dbc.set_range(key, flags)
-        return self._extract(rec)
-
-    def set_recno(self, recno, flags=0):
-        rec = self.dbc.set_recno(recno, flags)
-        return self._extract(rec)
-
-    set_both = get_both
-
-    def _extract(self, rec):
-        if rec is None:
-            return None
-        else:
-            key, data = rec
-            # Safe in Python 2.x because expresion short circuit
-            if sys.version_info[0] < 3 or isinstance(data, bytes) :
-                return key, pickle.loads(data)
-            else :
-                return key, pickle.loads(bytes(data, "iso8859-1"))  # 8 bits
-
-    #----------------------------------------------
-    # Methods allowed to pass-through to self.dbc
-    #
-    # close, count, delete, get_recno, join_item
-
-
-#---------------------------------------------------------------------------