[gentoo-commits] proj/R_overlay:gsoc13/next commit in: roverlay/

["André Erdmann" <dywi@mailerd.de>]

commit:     63c708b21af0b6aea9ffb881f24a98a3e2281209
Author:     André Erdmann <dywi <AT> mailerd <DOT> de>
AuthorDate: Fri Jul  5 16:43:19 2013 +0000
Commit:     André Erdmann <dywi <AT> mailerd <DOT> de>
CommitDate: Fri Jul  5 16:43:19 2013 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/R_overlay.git;a=commit;h=63c708b2

packageinfo: init_selfdep_validate(), versiontuple

versiontuple implements comparision operations (==,!=,<=,<,>=,>).

---
 roverlay/packageinfo.py  |  28 ++++++++--
 roverlay/versiontuple.py | 141 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 5 deletions(-)

diff --git a/roverlay/packageinfo.py b/roverlay/packageinfo.py
index bef9327..1bcf495 100644
--- a/roverlay/packageinfo.py
+++ b/roverlay/packageinfo.py
@@ -18,6 +18,7 @@ import os.path
 import logging
 
 import roverlay.digest
+import roverlay.versiontuple
 import roverlay.db.distmap
 
 from roverlay          import config, strutil
@@ -128,11 +129,11 @@ class PackageInfo ( object ):
       * **initial_info -- passed to update ( **kw )
       """
       self._info    = dict()
-      self.valid    = True
       self.readonly = False
       self.logger   = LOGGER
       self.selfdeps = None
 
+      #self.selfdeps_valid      = UNDEF
       #self.overlay_package_ref = None
       #self._evars              = dict()
       #self._lazy_actions       = list()
@@ -141,13 +142,26 @@ class PackageInfo ( object ):
       self.update ( **initial_info )
    # --- end of __init__ (...) ---
 
+   def init_selfdep_validate ( self ):
+      """Tells this packageinfo to initialize selfdep validation.
+      Returns True on success (=has selfdeps), else False.
+      """
+      self.selfdeps_valid = True
+      if self.selfdeps:
+         for selfdep in self.selfdeps:
+            selfdep.prepare_selfdep_reduction()
+         return True
+      else:
+         return False
+   # --- end of init_selfdep_validate (...) ---
+
    def has_valid_selfdeps ( self ):
       """Returns True if all selfdeps of this package are valid."""
-      v = self.valid
+      v = self.selfdeps_valid
       if v is True and self.selfdeps is not None and not all (
          map ( lambda d: d.deps_satisfiable(), self.selfdeps )
       ):
-         self.valid = False
+         self.selfdeps_valid = False
          return False
       return v
    # --- end of has_valid_selfdeps (...) ---
@@ -528,7 +542,9 @@ class PackageInfo ( object ):
       """
       rev     = self._info['rev'] + 1 if newrev is None else int ( newrev )
       rev_str = ( '-r' + str ( rev ) ) if rev > 0 else ''
-      vstr    = '.'.join ( str ( k ) for k in self ['version'] ) + rev_str
+      vstr    = (
+         '.'.join ( str ( k ) for k in self._info['version'] ) + rev_str
+      )
 
       # preserve destpath directory
       #  (this allows to handle paths like "a/b.tar/pkg.tgz" properly)
@@ -735,7 +751,9 @@ class PackageInfo ( object ):
 
       try:
          version = tuple ( int ( z ) for z in version_str.split ( '.' ) )
-         self._info ['version'] = version
+         self._info ['version'] = (
+            roverlay.versiontuple.IntVersionTuple ( version )
+         )
       except ValueError as ve:
          # version string is malformed, cannot use it
          self.logger.error (

diff --git a/roverlay/versiontuple.py b/roverlay/versiontuple.py
new file mode 100644
index 0000000..2fa78ba
--- /dev/null
+++ b/roverlay/versiontuple.py
@@ -0,0 +1,141 @@
+# R overlay --
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013 André Erdmann <dywi@mailerd.de>
+# Distributed under the terms of the GNU General Public License;
+# either version 2 of the License, or (at your option) any later version.
+
+import sys
+import itertools
+
+if sys.hexversion >= 0x3000000:
+   _zip_longest = itertools.zip_longest
+else:
+   _zip_longest = itertools.izip_longest
+
+
+# integer representation of version comparision
+VMOD_NONE  = 0
+VMOD_UNDEF = 1
+VMOD_NOT   = 2
+VMOD_EQ    = 4
+VMOD_NE    = VMOD_NOT | VMOD_EQ
+VMOD_GT    = 8
+VMOD_GE    = VMOD_EQ | VMOD_GT
+VMOD_LT    = 16
+VMOD_LE    = VMOD_EQ | VMOD_LT
+
+
+def pkgver_decorator ( func ):
+   def wrapped ( p, *args, **kwargs ):
+      return func ( p._info ['version'], *args, **kwargs )
+   # --- end of wrapped (...) ---
+   wrapped.__name__ = func.__name__
+   wrapped.__doc__  = func.__doc__
+   wrapped.__dict__.update ( func.__dict__ )
+   return wrapped
+# --- end of pkgver_decorator (...) ---
+
+
+class VersionTuple ( tuple ):
+
+   def __init__ ( self, *args, **kwargs ):
+      super ( VersionTuple, self ).__init__ ( *args, **kwargs )
+   # --- end of __init__ (...) ---
+
+   def get_comparator ( self, mode ):
+      if not mode or mode & VMOD_UNDEF:
+         return None
+      elif mode & VMOD_EQ:
+         if mode == VMOD_EQ:
+            return self.__eq__
+         elif mode == VMOD_NE:
+            return self.__ne__
+         elif mode == VMOD_LE:
+            return self.__le__
+         elif mode == VMOD_GE:
+            return self.__ge__
+      elif mode == VMOD_LT:
+         return self.__lt__
+      elif mode == VMOD_GT:
+         return self.__gt__
+
+      return None
+   # --- end of get_comparator (...) ---
+
+   def get_package_comparator ( self, mode ):
+      f = self.get_comparator ( mode )
+      return pkgver_decorator ( f ) if f is not None else None
+   # --- end of get_package_comparator (...) ---
+
+   def set_default_compare ( self, mode ):
+      self._default_compare = self.get_comparator ( mode )
+   # --- end of set_default_compare (...) ---
+
+   def compare ( self, other ):
+      self._default_compare ( other )
+   # --- end of compare (...) ---
+
+# --- end of VersionTuple ---
+
+
+class IntVersionTuple ( VersionTuple ):
+
+   def iter_compare ( self, other ):
+      return _zip_longest ( self, other, fillvalue=0 )
+   # --- end of _iter_compare (...) ---
+
+   def __eq__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return all ( a == b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __eq__ (...) ---
+
+   def __ne__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return any ( a != b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __ne__ (...) ---
+
+   def __le__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return all ( a <= b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __le__ (...) ---
+
+   def __ge__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return all ( a >= b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __ge__ (...) ---
+
+   def __lt__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return all ( a < b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __lt__ (...) ---
+
+   def __gt__ ( self, other ):
+      if isinstance ( other, self.__class__ ):
+         return all ( a > b
+            for a, b in _zip_longest ( self, other, fillvalue=0 )
+         )
+      else:
+         return NotImplemented
+   # --- end of __gt__ (...) ---
+
+# --- end of IntVersionTuple ---