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mirror of https://github.com/triqs/dft_tools synced 2024-11-01 03:33:50 +01:00
dft_tools/pytriqs/gf/local/tools.py
Olivier Parcollet 3a31077d51 gf : new wrapper
2014-05-11 21:47:52 +02:00

37 lines
1.1 KiB
Python

from types import SliceType
import descriptor_base
class LazyCTX:
def __init__ (self, G):
self.G = G
def _is_compatible_for_ops(self, g):
m1,m2 = self.G.mesh, g.mesh
return m1 is m2 or m1 == m2
def __eq__ (self, y):
return isinstance(y, self.__class__) and self._is_compatible_for_ops(y.G)
def __call__ (self, x):
if not isinstance(x, descriptor_base.Base): return x
tmp = self.G.copy()
x(tmp)
return tmp
def get_indices_in_dict( d):
if not ( ('indicesL' in d and 'indicesR' in d) or 'indices' in d) : return ()
indicesL = list ( d.pop('indicesL',()) or d.pop('indices',()) )
indicesR = list ( d.pop('indicesR',()) or indicesL )
# Now check the indices
ty = set([type(x) for x in indicesL]+[type(x) for x in indicesR])
assert len(ty) !=0, "No indices found !"
assert len(ty)==1, " All indices must have the same type %s"%ty
# If the indices are not string, make them string anyway
indicesL = [ str(x) for x in indicesL ]
indicesR = [ str(x) for x in indicesR ]
return indicesL, indicesR