Connectors

**minifold connectors and functions**
File	Connector	Function	Overview
`csv.py`	`CsvConnector`	N/A	Wrap a CSV file.
`dblp.py`	`DblpConnector`	N/A	Wrap a DBLP server.
`download.py`	`DownloadConnector`	`download`	Download a web page.
`entries_connector.py`	`EntriesConnector`	N/A	Wrap a list of homogeneous python dicts.
`google_scholar.py`	`GoogleScholarConnector`	N/A	Wrap Google Scholar.
`hal.py`	`HalConnector`	N/A	Wrap a HAL server.
`html_table.py`	`HtmlTableConnector`	`html_table`	Wrap an table stored in an HTML file (e.g. LibreOffice Calc export) according to a list of column names.
`ldap.py`	`LdapConnector`	N/A	Wrap a LDAP server. The `DN` is resolved according to the `FROM` clause of the Query.
`mongo.py`	`MongoConnector`	N/A	Wrap a Mongo database.
`twitter.py`	`TwitterConnector`	N/A	Wrap Twitter.

Operators

**minifold operators**
File	Connector	Function	SQL equivalent	Overview
`group_by.py`	`GroupByConnector`	`group_by`	`GROUP BY`	Group entries according to a subset of attributes in a dict.
`join_if.py`	`JoinIfConnector`	`join_if`	`{LEFT,RIGHT} OUTER JOIN`	Merge list of dictionnaries based on matching (key,value) attributes. Implements standard SQL joins.
`lambdas.py`	`LambdasConnector`	`lambdas`	`VIEW`	Generate additional (key,value) in each entry, based on its content.
`natural_join.py`	`NaturalJoinConnector`	`natural_join`	`NATURAL JOIN`	Merge list of dictionnaries based on matching (key,value) attributes.
`rename.py`	`RenameConnector`	`rename`	`AS`	Rename queries and entries to make the bridge between two ontologies.
`select.py`	`SelectConnector`	`select`	`SELECT`	Keep only a subset of the entries' attributes.
`sort_by.py`	`SortByConnector`	`sort_by`	`SORT BY`	Sort entries based on a tuple of attributes. Entries are sorted according to lexicographical order.
`unique.py`	`UniqueConnector`	`unique`	`DISTINCT`	Remove duplicated entries according to a subset of their attributes.
`unnest.py`	`UnnestConnector`	`unnest`	`unnest`	Translate an entry containing a list into a list of entries (one entry per list entry)
`where.py`	`WhereConnector`	`where`	`WHERE`	Filters entries according to a given lambda function.

**minifold cache connectors**
File	Connector	Overview
`cache.py`	`JsonCacheConnector`	Cache a stream of records using a local json file.
`cache.py`	`PickleCacheConnector`	Cache a stream of records using a local pickle file.
`cached.py`	`JsonCachedConnector`	Wrap a json-based cache stored on the local storage.
`cached.py`	`PickleCachedConnector`	Wrap a pickle-based cache stored on the local storage.