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CacheRepresenter

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This commit is contained in:
mdipierro
2015-07-20 02:17:59 -05:00
parent 8420020c21
commit d2347dec41
1 changed files with 22 additions and 16 deletions
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gluon/sqlhtml.py
+22 -16
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@@ -71,6 +71,26 @@ def represent(field, value, record):
else:
raise RuntimeError("field representation must take 1 or 2 args")
class CacheRepresenter(object):
def __init__(self):
self.cache = {}
def __call__(self, field, value, row):
cache = self.cache
if field not in cache:
cache[field] = {}
try:
nvalue = cache[field][value]
except KeyError:
try:
nvalue = field.represent(value, row)
except KeyError:
try:
nvalue = field.represent(value, row[field.tablename])
except KeyError:
nvalue = None
if isinstance(field, _repr_ref):
cache[field][value] = nvalue
return nvalue
def safe_int(x):
try:
@@ -2668,7 +2688,7 @@ class SQLFORM(FORM):
htmltable = TABLE(COLGROUP(*cols), THEAD(head))
tbody = TBODY()
numrec = 0
repr_cache = {}
repr_cache = CacheRepresenter()
for row in rows:
trcols = []
id = row[field_id]
@@ -2688,21 +2708,7 @@ class SQLFORM(FORM):
maxlength = maxtextlengths.get(str(field), maxtextlength)
if field.represent:
if field.type.startswith('reference'):
if field not in repr_cache:
repr_cache[field] = {}
try:
nvalue = repr_cache[field][value]
except KeyError:
try:
nvalue = field.represent(value, row)
except KeyError:
try:
nvalue = field.represent(
value, row[field.tablename])
except KeyError:
nvalue = None
if isinstance(field, _repr_ref):
repr_cache[field][value] = nvalue
nvalue = repr_cache(field, value, row)
else:
try:
nvalue = field.represent(value, row)