PersistentKeyValueStore

Documentation for eth_defi.token_analysis.sqlite_cache.PersistentKeyValueStore Python class.

class PersistentKeyValueStore

A simple key-value cache for sqlite3.

Designed to cache JSON blobs from integrated API services like TokenSniffer.

Based on https://stackoverflow.com/questions/47237807/use-sqlite-as-a-keyvalue-store

Methods summary

__init__(filename[, autocommit])
clear()
close()
copy()
fromkeys([value])	Create a new dictionary with keys from iterable and values set to value.
get(key[, default])	Return the value for key if key is in the dictionary, else default.
items()
iteritems()
iterkeys()
itervalues()
keys()
pop(k[,d])	If the key is not found, return the default if given; otherwise, raise a KeyError.
popitem()	Remove and return a (key, value) pair as a 2-tuple.
setdefault(key[, default])	Insert key with a value of default if key is not in the dictionary.
update([E, ]**F)	If E is present and has a .keys() method, then does: for k in E: D[k] = E[k] If E is present and lacks a .keys() method, then does: for k, v in E: D[k] = v In either case, this is followed by: for k in F: D[k] = F[k]
values()

__init__(filename, autocommit=True)

Parameters

filename (pathlib.Path) –

keys() → a set-like object providing a view on D's keys

values() → an object providing a view on D's values

items() → a set-like object providing a view on D's items

get(key, default=None)

Return the value for key if key is in the dictionary, else default.