Python sqlalchemy 模块,ext() 实例源码
我们从Python开源项目中,提取了以下2个代码示例,用于说明如何使用sqlalchemy.ext()。
def accumulate_size_by_extension(files):
d = {}
for (ext, size) in files:
acc = d.get(ext, AccumulatedSize(ext, 0, 0))
d[ext] = AccumulatedSize(acc.extension, acc.size + size, acc.files + 1)
yield from d.values()
def main(directory):
total_files, extensions = 0, set()
for accumulated in accumulate_size_by_extension(get_files_info(directory)):
total_files += accumulated.files
extensions |= {accumulated}
for (ext, size, files) in sorted(extensions, key=lambda acc: acc.files, reverse=True):
yield render_row(ext, get_his(files, total_files))