Moved eix stuff to its own module. Also make all the parsing stuff being functions -- will be easier to deal with for the LazyElements

1 files changed, 0 insertions, 146 deletions

diff --git a/portato/eix.py b/portato/eix.py
deleted file mode 100644
index 5262bf2..0000000
--- a/portato/eix.py
+++ /dev/null
@@ -1,146 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# File: portato/eix.py
-# This file is part of the Portato-Project, a graphical portage-frontend.
-#
-# Copyright (C) 2006-2009 René 'Necoro' Neumann
-# This is free software.  You may redistribute copies of it under the terms of
-# the GNU General Public License version 2.
-# There is NO WARRANTY, to the extent permitted by law.
-#
-# Written by René 'Necoro' Neumann <necoro@necoro.net>
-
-from __future__ import absolute_import, with_statement
-
-import os
-import struct
-from functools import wraps
-
-from .helper import debug
-
-class EixError (Exception):
-    message = "Unknown error."
-
-    def __str__ (self):
-        return self.message
-
-class EndOfFileException (EixError):
-
-    def __init__ (self, filename):
-        self.message = "End of file reached though it was not expected: '%s'" % filename
-
-class EixReaderClosed (EixError):
-    message = "EixReader is already closed."
-
-class UnsupportedVersionError (EixError):
-
-    def __init__ (self, version):
-        self.message = "Version '%s' is not supported." % version
-
-class EixReader (object):
-    supported_versions = (28, )
-
-    def __init__ (self, filename):
-        self.filename = filename
-        self.file = open(filename, "r")
-        self.closed = 0
-        
-        try:
-            self.version = self.number()
-
-            if self.version not in self.supported_versions:
-                raise UnsupportedVersionError(self.version)
-
-            debug("Started EixReader for version %s.", self.version)
-        except:
-            self.close()
-            raise
-
-    def check_closed (f):
-        @wraps(f)
-        def wrapper (self, *args, **kwargs):
-            if self.closed:
-                raise EixReaderClosed
-
-            return f(self, *args, **kwargs)
-        return wrapper
-
-    @check_closed
-    def number (self):
-        n = self._get_bytes(1)
-
-        if n < 0xFF:
-            value = n
-        else:
-            count = 0
-
-            while (n == 0xFF):
-                count += 1
-                n = self._get_bytes(1)
-
-            if n == 0:
-                n = 0xFF # 0xFF is encoded as 0xFF 0x00
-                count -= 1
-            
-            value = n << (count*8)
-
-            if count > 0:
-                rest = self._get_bytes(count, expect_list = True)
-
-                for i, r in enumerate(rest):
-                    value += r << ((count - i - 1)*8)
-            
-        return value
-
-    @check_closed
-    def vector (self, get_type, skip = False):
-        nelems = self.number()
-        
-        if skip:
-            for i in range(nelems):
-                get_type(skip = True)
-        else:
-            return (get_type() for i in range(nelems))
-
-    @check_closed
-    def string (self, skip = False):
-        nelems = self.number()
-
-        if skip:
-            self.file.seek(nelems, os.SEEK_CUR)
-        else:
-            s = self.file.read(nelems)
-
-            if len(s) != nelems:
-                raise EndOfFileException, self.filename
-
-            return s
-
-    @check_closed
-    def overlay (self, skip = False):
-        if skip:
-            self.file.seek(self.number(), os.SEEK_CUR) # path
-            self.file.seek(self.number(), os.SEEK_CUR) # label
-        else:
-            return (self.string(), self.string())
-
-    def _get_bytes (self, length, expect_list = False):
-        s = self.file.read(length)
-
-        if len(s) != length:
-            raise EndOfFileException, self.filename
-
-        if length == 1 and not expect_list:
-            return ord(s) # is faster than unpack and we have a scalar
-        else:
-            return struct.unpack("%sB" % length, s)
-
-    @check_closed
-    def close (self):
-        if self.closed:
-            raise EixReaderClosed
-        
-        self.file.close()
-        self.closed = 1
-        
-        debug("EixReader closed.")