view roundup/cgi/PageTemplates/MultiMapping.py @ 7744:6985f0ff3df3

doc: document lib, fix formating/example Add lib as an optional directory in a template. Make config_ini.ini example an actual code block using the file from the jinja2 template. Format the TEMPLATE-INFO.txt example as plain text (it was highlighting words like 'in' and 'with'). Also move the whole example under the bullet item, it was outside of the list. Reformat the input text to be less than 80 characters.
author John Rouillard <rouilj@ieee.org>
date Mon, 26 Feb 2024 11:23:36 -0500
parents 23b8e6067f7c
children
line wrap: on
line source

import operator

class MultiMapping:
    def __init__(self, *stores):
        self.stores = list(stores)
    def __getitem__(self, key):
        for store in self.stores:
            if key in store:
                return store[key]
        raise KeyError(key)
    _marker = []
    def get(self, key, default=_marker):
        for store in self.stores:
            if key in store:
                return store[key]
        if default is self._marker:
            raise KeyError(key)
        return default
    def __len__(self):
        return sum([len(x) for x in self.stores])
    def push(self, store):
        self.stores.append(store)
    def pop(self):
        return self.stores.pop()
    def items(self):
        l = []
        for store in self.stores:
            l = l + list(store.items())
        return l

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