utils Module

defines:

• fields_out = build_table_lines(fields, nstart=1, nend=0)
• fields_out = wipe_empty_fields(card)

pyNastran.bdf.cards.utils.build_table_lines(fields, nstart=1, nend=0)

Builds a table of the form:

DESVAR	DVID1	DVID2	DVID3	DVID4	DVID5	DVID6	DVID7
	DVID8	etc.
	UM	VAL1	VAL2	etc.

and pads the rest of the fields with None’s (e.g. at the end of the DVID8 line).

Parameters:

fields: List[int/float/str]

the fields to enter, including DESVAR

nstart: int; default=1

the number of blank fields at the start of the line

nend : int; default=0)

the number of blank fields at the end of the line

Returns:

fields_out : List[str/None]

the values ready for card printing

Note

will be used for DVCREL2, DVMREL2, DVPREL2, RBE1, RBE3, DRESP2, DRESP3 ..

Warning

only works for small field format??? ..

pyNastran.bdf.cards.utils.wipe_empty_fields(card)

Removes any trailing Nones from the card. Also converts empty strings to None. Allows floats & ints.

Parameters:

card : List[str]

the fields on the card as a list

Returns:

short_card : List[str]

the card with no trailing blank fields