sugar3.util module

Various utility functions

class sugar3.util.LRU(count, pairs=[])

Bases: object

Implementation of a length-limited O(1) LRU queue. Built for and used by PyPE: http://pype.sourceforge.net Copyright 2003 Josiah Carlson.

iteritems()

iterkeys()

itervalues()

keys()

class sugar3.util.Node(prev, me)

Bases: object

me

next

prev

class sugar3.util.TempFilePath(path=None)

Bases: str

sugar3.util.format_size(size)

sugar3.util.is_hex(s)

sugar3.util.printable_hash(in_hash)

Convert binary hash data into printable characters.

sugar3.util.set_proc_title(title)

Sets the process title so ps and top show more descriptive names. This does not modify argv[0] and only the first 15 characters will be shown.

title – the title you wish to change the process

title to

Returns True on success. We don’t raise exceptions because if something goes wrong here it is not a big deal as this is intended as a nice thing to have for debugging

sugar3.util.sha_data(data)

sha1 hash some bytes.

sugar3.util.timestamp_to_elapsed_string(timestamp, max_levels=2)

sugar3.util.unique_id(data='')

Generate a likely-unique ID for whatever purpose

data – suffix appended to working data before hashing

Returns a 40-character string with hexidecimal digits representing an SHA hash of the time, a random digit within a constrained range and the data passed.

Note: these are not crypotographically secure or

globally unique identifiers. While they are likely to be unique-enough, no attempt is made to make perfectly unique values.

sugar3.util.validate_activity_id(actid)

Validate an activity ID.