Lichen

Annotated tests/getattr.py

843:d305986d05c8
494:87a9ae235e7a
2018-07-05 Paul Boddie file changeset files shortlog Employed sets for attributes and providers referenced by accesses. This causes various attributes to be identified definitively in the access plans and instruction sequences.
paul@360 1 
class C:
paul@360 2 
    def __init__(self):
paul@360 3 
        self.x = 1
paul@360 4 
        self.y = 2
paul@360 5 
        self.z = 3
paul@360 6 
 
 paul@360      7 
class D:
 
 paul@360      8 
    def __init__(self):
 
 paul@360      9 
        self.x = 4
 
 paul@360     10 
        self.y = 5
 
 paul@360     11 
        self.z = 6
 
 paul@360     12 
 
 paul@360     13 
c = C()
 
 paul@360     14 
d = D()
 
 paul@360     15 
 
 paul@360     16 
attrnames = ["a", "b", "c", "x", "y", "z"]
 
 paul@360     17 
 
 paul@360     18 
print ". c d"
 
 paul@360     19 
 
 paul@360     20 
for attrname in attrnames:
 
 paul@360     21 
    print attrname, hasattr(c, attrname) and "1" or "0", hasattr(d, attrname) and "1" or "0"
 
 paul@360     22 
 
 paul@360     23 
print
 
 paul@360     24 
print ". c d"
 
 paul@360     25 
 
 paul@360     26 
for attrname in attrnames:
 
 paul@360     27 
    print attrname,
 
 paul@360     28 
    try:
 
 paul@360     29 
        v = getattr(c, attrname)
 
 paul@494     30 
        print v,
 
 paul@360     31 
    except AttributeError:
 
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        print "?",
 
 paul@360     33 
 
 paul@360     34 
    try:
 
 paul@360     35 
        v = getattr(d, attrname)
 
 paul@494     36 
        print v
 
 paul@360     37 
    except AttributeError:
 
 paul@494     38 
        print "?"
 
 paul@468     39 
 
 paul@468     40 
try:
 
 paul@468     41 
    setattr(c, "x", 7)
 
 paul@468     42 
except NotImplementedError, exc:
 
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    print 'setattr(c, "x", 7): not implemented:', exc.name