*Pc@sdZddddgZddlmZddlmZddlmZeje efZ d Z d Z ed e fd YZdefd YZdefdYZeZeZdS(s Distance and Area objects to allow for sensible and convienient calculation and conversions. Authors: Robert Coup, Justin Bronn, Riccardo Di Virgilio Inspired by GeoPy (http://exogen.case.edu/projects/geopy/) and Geoff Biggs' PhD work on dimensioned units for robotics. tAtAreatDtDistancei(tDecimal(ttotal_ordering(tsixtsq_cCs |jtkr|jS|jjS(N(t __class__ttypet__name__(tobj((s3../Django//lib/python/django/contrib/gis/measure.pyt pretty_name/st MeasureBasecBseZdZiZiZiZddZdZdZ e ee Z dZ dZ dZdZdZdZd Zd Zd Zd Zd ZdZdZdZdZdZdZdZdZedZ RS(cKsS|j|\}|_t||j||rOt|tjrO||_ndS(N(t default_unitst _default_unittsetattrt STANDARD_UNITt isinstanceRt string_types(tselft default_unittkwargstvalue((s3../Django//lib/python/django/contrib/gis/measure.pyt__init__:scCst||jS(N(tgetattrR(R((s3../Django//lib/python/django/contrib/gis/measure.pyt _get_standard@scCst||j|dS(N(RR(RR((s3../Django//lib/python/django/contrib/gis/measure.pyt _set_standardCscCs5||jkr!|j|j|Std|dS(NsUnknown unit type: %s(tUNITStstandardtAttributeError(Rtname((s3../Django//lib/python/django/contrib/gis/measure.pyt __getattr__HscCs&dt||jt||jfS(Ns %s(%s=%s)(R RR(R((s3../Django//lib/python/django/contrib/gis/measure.pyt__repr__NscCsdt||j|jfS(Ns%s %s(RR(R((s3../Django//lib/python/django/contrib/gis/measure.pyt__str__RscCs*t||jr"|j|jkStSdS(N(RRRtNotImplemented(Rtother((s3../Django//lib/python/django/contrib/gis/measure.pyt__eq__WscCs*t||jr"|j|jkStSdS(N(RRRR#(RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__lt__]scCs]t||jr<|jd|ji|j|j|j6Stdit|d6dS(NRs&%(class)s must be added with %(class)stclass(RRRRRt TypeErrorR (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__add__escCsIt||jr(|j|j7_|Stdit|d6dS(Ns&%(class)s must be added with %(class)sR'(RRRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__iadd__lscCs]t||jr<|jd|ji|j|j|j6Stdit|d6dS(NRs+%(class)s must be subtracted from %(class)sR'(RRRRRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__sub__sscCsIt||jr(|j|j8_|Stdit|d6dS(Ns+%(class)s must be subtracted from %(class)sR'(RRRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__isub__zscCsWt|tr6|jd|ji|j||j6Stdit|d6dS(NRs(%(class)s must be multiplied with numberR'(Rt NUMERIC_TYPESRRRRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__mul__scCsIt|tr(|jt|9_|Stdit|d6dS(Ns(%(class)s must be multiplied with numberR'(RR-RtfloatR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__imul__scCs||S(N((RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__rmul__scCswt||jr |j|jSt|trV|jd|ji|j||j6Stdit|d6dS(NRs2%(class)s must be divided with number or %(class)sR'(RRRR-RRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt __truediv__s cCst|j||S(N(R R2(RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__div__scCsIt|tr(|jt|:_|Stdit|d6dS(Ns%%(class)s must be divided with numberR'(RR-RR/R(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt __itruediv__scCst|j||S(N(R R4(RR$((s3../Django//lib/python/django/contrib/gis/measure.pyt__idiv__scCs t|jS(N(tboolR(R((s3../Django//lib/python/django/contrib/gis/measure.pyt__bool__scCst|j|S(N(R R7(R((s3../Django//lib/python/django/contrib/gis/measure.pyt __nonzero__scCsAd}|j}x%tj|D]\}}t|tsIt|}n||jkrv||j||7}|}q||jkr|j|}||j||7}|}q|j}||jkr||j||7}|}q||jkr#|j|}||j||7}|}qt d|qW||fS(s| Return the unit value and the default units specified from the given keyword arguments dictionary. gsUnknown unit type: %s( RRt iteritemsRR/RtALIAStlowertLALIASR(RRtvalRtunitRtuR;((s3../Django//lib/python/django/contrib/gis/measure.pyRs,        cCs`|j}||jkr|S||jkr2|S||jkrL|j|Std|dS(s Retrieves the unit attribute name for the given unit string. For example, if the given unit string is 'metre', 'm' would be returned. An exception is raised if an attribute cannot be found. s2Could not find a unit keyword associated with "%s"N(R;RR<t Exception(tclstunit_strR;((s3../Django//lib/python/django/contrib/gis/measure.pyt unit_attnames  N(!R t __module__tNoneRR:RR<RRRtpropertyRR R!R"R%R&R)R*R+R,R.R0R1R2R3R4R5R7R8Rt classmethodRC(((s3../Django//lib/python/django/contrib/gis/measure.pyR 3s8                     cBs/eZdZidd6dd6dd6dd6d d 6d d 6d d6dd6dd6dd6dd6dd6dd6dd6dd6dd 6d!d"6d#d$6d%d&6d'd(6d)d*6d+d6d,d-6d.d/6d0d16d2d36d4d56d6d76d8d96d:d;6d<d=6Zi$dd>6dd?6d"d@6d$dA6d$dB6ddC6ddD6d;dE6d;dF6d/dG6d/dH6d-dI6d=dJ6ddK6d dL6d dM6ddN6ddO6ddP6ddQ6ddR6ddS6ddT6ddU6ddV6ddW6ddX6d dY6d(dZ6d*d[6d1d\6d3d]6d9d^6d9d_6d d`6d7da6ZegejD]\ZZej ef^qZ dbZ RS(ctmg=,Ԛ4@tchaingl4@t chain_benoitgstumgB?tydt centimetertfoottinchest kilometert kilometretmetertmetret micrometert micrometret millimetert millimetretmiletyardsBritish chain (Benoit 1895 B)sBritish chain (Sears 1922)s$British chain (Sears 1922 truncated)sBritish foot (Sears 1922)s British footsBritish yard (Sears 1922)s British yards Clarke's Foots Clarke's linksChain (Benoit)s Chain (Sears)sFoot (International)sGerman legal metresGold Coast foots Indian yards Link (Benoit)s Link (Sears)s Nautical MilesNautical Mile (UK)sUS survey foots U.S. Foots Yard (Indian)s Yard (Sears)cCst||jrAtdt|ji|j|jt|j6St|trw|jd|ji|j||j6Stdit |jd6dS(NRs;%(distance)s must be multiplied with number or %(distance)stdistance( RRRt AREA_PREFIXRRRR-R(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyR.)s ( R RDRRR:tdicttitemstktvR;R<R.(((s3../Django//lib/python/django/contrib/gis/measure.pyRs  7cBseZeejZegejjD]&\ZZ deefe df^q&Zegej jD]"\ZZ edee ff^qhZ ege jD]\ZZ ej e f^qZ dZ dZRS(s%s%sicCsWt|tr6|jd|ji|j||j6Stdit|d6dS(NRs%%(class)s must be divided by a numberR'(RR-RRRRR(R (RR$((s3../Django//lib/python/django/contrib/gis/measure.pyR2=scCst|j||S(N(R R2(RR$((s3../Django//lib/python/django/contrib/gis/measure.pyR3Ds(R RDRuRRRvRRwRxRyR:R;R<R2R3(((s3../Django//lib/python/django/contrib/gis/measure.pyR6s  B>7 N(t__doc__t__all__tdecimalRtdjango.utils.functionalRt django.utilsRt integer_typesR/R-RuR tobjectR RRRR(((s3../Django//lib/python/django/contrib/gis/measure.pyt%s Z