ó
šßÈ[c @` sÜ d Z d d l m Z m Z m Z m Z d d l Z d d l Z d d l Z d d l m
Z
d d l m Z d d l
m Z d d l m Z m Z d
d l m Z d d l m Z d d
l m Z d e f d „ ƒ YZ d S( u)
Handles the CDS string format for units
i ( t absolute_importt divisiont print_functiont unicode_literalsNi ( t six( t zipi ( t Base( t coret utilsi ( t is_effectively_unity( t
classproperty( t did_you_meant CDSc B` sé e Z d Z d Z e d
e ƒ d „ ƒ Z e d
e ƒ d „ ƒ Z e d
e ƒ d
„ ƒ Z e d „ ƒ Z
e d „ ƒ Z e d „ ƒ Z
e d „ ƒ Z e e d „ ƒ Z e e d „ ƒ Z e d „ ƒ Z e d „ ƒ Z e d „ ƒ Z RS( ua
Support the `Centre de Données astronomiques de Strasbourg
`_ `Standards for Astronomical
Catalogues 2.0 `_
format, and the `complete set of supported units
`_. This format is used
by VOTable up to version 1.2.
u PRODUCTu DIVISIONu
OPEN_PARENu CLOSE_PARENu Xu SIGNu UINTu UFLOATu UNITt lazyc C` s
| j ƒ S( N( t _generate_unit_names( t cls( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt _units6 s c C` s
| j ƒ S( N( t _make_parser( R ( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt _parser: s c C` s
| j ƒ S( N( t _make_lexer( R ( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt _lexer> s c C` si d d l m } d d l m } i } x< | j j ƒ D]+ \ } } t | | j ƒ r6 | | | `_, which is not
terribly precise. The exact grammar is here is based on the
YACC grammar in the `unity library
`_.
i ( t yaccc S` sY d d l m } t | ƒ d k rA | | d | d ƒ | d | j | j | ƒ ƒ q
| j d j | j | ƒ t | ƒ ƒ ƒ q
Wd j | ƒ S( Ni u {0}{1}u .( t appendRd R/ R% t join( R R t outt baset power( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt _format_unit_list< s c C` sv t j | | j ƒ } t | t j ƒ rN| j d k rM t | j d ƒ rM d S| j d k re d } n„ t j | j ƒ \ } } g } | d k rŸ | j
| ƒ n | rÚ | j d ƒ sÁ d | } n | j
d j | ƒ ƒ n d
j
| ƒ } t t | j | j ƒ ƒ } t | ƒ d k rr| j d t j d ƒ d
t ƒ | | j | ƒ 7} qrn$ t | t j ƒ rr| j | ƒ } n | S( Nu
dimensionlessg Y@u %i u u 1u -u +u 10{0}u xi R t reverse( u u 1( R t decompose_to_known_unitsRd R R t
CompositeUnitt
physical_typeR t scalet split_mantissa_exponentRe t
startswithR/ Rf t listR t basest powersRH t sortt operatort
itemgetterR8 Rj t NamedUnit( R R^ Rb t mR] t partst pairs( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt to_stringG s.
( u PRODUCTu DIVISIONu
OPEN_PARENu CLOSE_PARENu Xu SIGNu UINTu UFLOATu UNIT( t __name__t
__module__t __doc__R7 R
R8 R R R t staticmethodR t classmethodR R R, R[ RY Ra Rd Rj R| ( ( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyR s0
7†
( R t
__future__R R R R Rv R: R! t externR t extern.six.movesR Rh R R R R R R
t
utils.miscR R ( ( ( s7 lib/python2.7/site-packages/astropy/units/format/cds.pyt s "