NutShell Variables

System variables

Variable	Description	Example
PRODUCT	Product id, eg.	“my.test.product”
TIMESTAMP	Numeric time or “LATEST”<br> or “LATEST” or “TIMESTAMP”	“201708121600”
-- YEAR	Year (4 digits)	“2017”
– MONTH	Month (2 digits)	“08”
– DAY	Day (2 digits)	“12”
– HOUR	Hour (2 digits)	“16”
– MINUTE	Minute (2 digits)	“00”
PARAMETERS	Product specific variables	{“SIZE”: “300”, “NAME”: “X”}
– <KEY>	Name of a variable	“300”
– <KEY>	Name of a variable	“X”
– …	…	…
EXTENSION	File format, including compression	“txt.gz”
FORMAT	File format	“txt”
COMPRESSION	File compression	“gz”

In code, nutshell.product.Info provides parsing of above parameters.

Part of the variables come from Configuration files read by nutshell.nutshell.ProductServer .

Variable parsing scheme

Parsing can be tested interactively:

>>> import nutshell.product
>>> p = nutshell.product.Info("201708121600_my.test.product_SIZE=300.pgm.gz")