本文整理汇总了Python中builder.Builder.prune方法的典型用法代码示例。如果您正苦于以下问题：Python Builder.prune方法的具体用法？Python Builder.prune怎么用？Python Builder.prune使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类builder.Builder的用法示例。
在下文中一共展示了Builder.prune方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: update_cache
# 需要导入模块: from builder import Builder [as 别名]
# 或者: from builder.Builder import prune [as 别名]
def update_cache(cx, suite, prefix, when, rows):
# Sort everything into separate modes.
modes = { }
for row in rows:
modeid = int(row[4])
if not modeid in cx.modemap:
continue
if modeid in modes:
line = modes[modeid]
else:
line = []
modes[modeid] = line
line.append(row)
# Build our actual datasets.
lines = [ ]
builder = Builder()
for modeid in modes:
rows = modes[modeid]
points = []
for row in rows:
score = float(row[3])
if score:
cset = row[2]
else:
cset = None
builder.addPoint(points,
int(row[1]),
cset,
None,
score,
row[5],
row[6])
line = { 'modeid': modeid,
'data': points
}
lines.append(line)
builder.prune()
builder.finish(lines)
# Open the old cache.
cache = open_cache(suite, prefix)
# Build a reverse mode mapping for the cache.
cache_modes = { }
for i, oldline in enumerate(cache['lines']):
cache_modes[int(oldline['modeid'])] = oldline
# Updating fails if there are items before the last time in the cache.
if len(cache['timelist']) and len(builder.timelist):
last_time = cache['timelist'][-1]
i = 0
while i < len(builder.timelist) and builder.timelist[i] < last_time:
return False
if i:
builder.timelist = builder.timelist[i:]
for line in lines:
line['data'] = line['data'][i:]
# For any of our lines that are not in the cache, prepend null points so
# the line width matches the existing lines.
for line in lines:
if line['modeid'] in cache_modes:
continue
data = { 'data': [None] * len(cache['timelist']),
'modeid': line['modeid']
}
cache['lines'].append(data)
cache_modes[line['modeid']] = data
# Now we can merge our data into the existing graph.
for line in lines:
oldline = cache_modes[line['modeid']]
oldline['data'].extend(line['data'])
# For any lines which are in the cache, but not in our pulled data, extend
# them to have null datapoints for our timelist.
for oldline in cache['lines']:
modeid = int(oldline['modeid'])
if modeid in modes:
continue
oldline['data'].extend([None] * len(builder.timelist))
# Finally we can extend the cache timelist.
cache['timelist'].extend(builder.timelist)
# Sanity check.
for line in cache['lines']:
if len(line['data']) != len(cache['timelist']):
print(str(len(line['data'])) + ' != ' + str(len(cache['timelist'])))
raise Exception('computed datapoints wrong')
# Now save the results.
save_cache(prefix, cache)
return True