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Hellas.Pella module¶

mostly dict list and file related functions and classes named after the ancient city of Pella

exception Hellas.Pella.ErrorFileTooBig[source]¶: Bases: Hellas.Sparta.Error

Hellas.Pella.file_to_base64(path_or_obj, max_mb=None)[source]¶

converts contents of a file to base64 encoding

Parameters:	path_or_obj (str_or_object) – fool pathname string for a file or a file like object that supports read max_mb (int) – maximum number in MegaBytes to accept lon2 (float) – longitude of second place (decimal degrees)
Raises:	ErrorFileTooBig – if file contents > max_mb (see `ErrorFileTooBig`) IOError – if file path can’t be found (Also possible other exceptions depending on file_object)

Hellas.Pella.dict_copy(a_dict, exclude_keys_lst=[], exclude_values_lst=[])[source]¶

a SALLOW copy of a dict that excludes items in exclude_keys_lst and exclude_values_lst useful for copying locals() etc..

Parameters:	a_dict (dict) – dictionary to be copied exclude_keys_lst (list) – a list or tuple of keys to exclude exclude_values_lst (list) – a list or tuple of values to exclude

Warning

remember it is NOT a deep copy

Hellas.Pella.dict_clip(a_dict, inlude_keys_lst=[])[source]¶: returns a new dict with keys not in included in inlude_keys_lst clipped off

Hellas.Pella.list_pp(ll, separator='|', header_line=True, autonumber=True)[source]¶: pretty print list of lists ll

Hellas.Pella.signal_terminate(on_terminate)[source]¶: a common case program termination signal

class Hellas.Pella.Base62[source]¶

Bases: object

unsigned integer coder class codes to and from base 62, useful for compressing integer values

Warning

any encoded values can only be decoded by this class

Example:	>>> b62 = Base62() >>> vl = 2 ** 24 16777216 >>> b62.encode(vl) '18OWG' >>> b62.decode('18OWG') 16777216

symbols = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'¶