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#!/usr/bin/env python
"""
Build call-back mechanism for f2py2e.
Copyright 2000 Pearu Peterson all rights reserved,
Pearu Peterson <pearu@ioc.ee>
Permission to use, modify, and distribute this software is given under the
terms of the NumPy License.
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
$Date: 2005/07/20 11:27:58 $
Pearu Peterson
"""
__version__ = "$Revision: 1.53 $"[10:-1]
import __version__
f2py_version = __version__.version
import pprint
import sys
import types
errmess=sys.stderr.write
outmess=sys.stdout.write
show=pprint.pprint
from auxfuncs import *
import capi_maps
import cfuncs
################## Rules for callback function ##############
cb_routine_rules={
'cbtypedefs':'typedef #rctype#(*#name#_typedef)(#optargs_td##args_td##strarglens_td##noargs#);',
'body':"""
#begintitle#
PyObject *#name#_capi = NULL;/*was Py_None*/
PyTupleObject *#name#_args_capi = NULL;
int #name#_nofargs = 0;
jmp_buf #name#_jmpbuf;
/*typedef #rctype#(*#name#_typedef)(#optargs_td##args_td##strarglens_td##noargs#);*/
#static# #rctype# #callbackname# (#optargs##args##strarglens##noargs#) {
\tPyTupleObject *capi_arglist = #name#_args_capi;
\tPyObject *capi_return = NULL;
\tPyObject *capi_tmp = NULL;
\tint capi_j,capi_i = 0;
\tint capi_longjmp_ok = 1;
#decl#
#ifdef F2PY_REPORT_ATEXIT
f2py_cb_start_clock();
#endif
\tCFUNCSMESS(\"cb:Call-back function #name# (maxnofargs=#maxnofargs#(-#nofoptargs#))\\n\");
\tCFUNCSMESSPY(\"cb:#name#_capi=\",#name#_capi);
\tif (#name#_capi==NULL) {
\t\tcapi_longjmp_ok = 0;
\t\t#name#_capi = PyObject_GetAttrString(#modulename#_module,\"#argname#\");
\t}
\tif (#name#_capi==NULL) {
\t\tPyErr_SetString(#modulename#_error,\"cb: Callback #argname# not defined (as an argument or module #modulename# attribute).\\n\");
\t\tgoto capi_fail;
\t}
\tif (PyCObject_Check(#name#_capi)) {
\t#name#_typedef #name#_cptr;
\t#name#_cptr = PyCObject_AsVoidPtr(#name#_capi);
\t#returncptr#(*#name#_cptr)(#optargs_nm##args_nm##strarglens_nm#);
\t#return#
\t}
\tif (capi_arglist==NULL) {
\t\tcapi_longjmp_ok = 0;
\t\tcapi_tmp = PyObject_GetAttrString(#modulename#_module,\"#argname#_extra_args\");
\t\tif (capi_tmp) {
\t\t\tcapi_arglist = (PyTupleObject *)PySequence_Tuple(capi_tmp);
\t\t\tif (capi_arglist==NULL) {
\t\t\t\tPyErr_SetString(#modulename#_error,\"Failed to convert #modulename#.#argname#_extra_args to tuple.\\n\");
\t\t\t\tgoto capi_fail;
\t\t\t}
\t\t} else {
\t\t\tPyErr_Clear();
\t\t\tcapi_arglist = (PyTupleObject *)Py_BuildValue(\"()\");
\t\t}
\t}
\tif (capi_arglist == NULL) {
\t\tPyErr_SetString(#modulename#_error,\"Callback #argname# argument list is not set.\\n\");
\t\tgoto capi_fail;
\t}
#setdims#
#pyobjfrom#
\tCFUNCSMESSPY(\"cb:capi_arglist=\",capi_arglist);
\tCFUNCSMESS(\"cb:Call-back calling Python function #argname#.\\n\");
#ifdef F2PY_REPORT_ATEXIT
f2py_cb_start_call_clock();
#endif
\tcapi_return = PyObject_CallObject(#name#_capi,(PyObject *)capi_arglist);
#ifdef F2PY_REPORT_ATEXIT
f2py_cb_stop_call_clock();
#endif
\tCFUNCSMESSPY(\"cb:capi_return=\",capi_return);
\tif (capi_return == NULL) {
\t\tfprintf(stderr,\"capi_return is NULL\\n\");
\t\tgoto capi_fail;
\t}
\tif (capi_return == Py_None) {
\t\tPy_DECREF(capi_return);
\t\tcapi_return = Py_BuildValue(\"()\");
\t}
\telse if (!PyTuple_Check(capi_return)) {
\t\tcapi_return = Py_BuildValue(\"(N)\",capi_return);
\t}
\tcapi_j = PyTuple_Size(capi_return);
\tcapi_i = 0;
#frompyobj#
\tCFUNCSMESS(\"cb:#name#:successful\\n\");
\tPy_DECREF(capi_return);
#ifdef F2PY_REPORT_ATEXIT
f2py_cb_stop_clock();
#endif
\tgoto capi_return_pt;
capi_fail:
\tfprintf(stderr,\"Call-back #name# failed.\\n\");
\tPy_XDECREF(capi_return);
\tif (capi_longjmp_ok)
\t\tlongjmp(#name#_jmpbuf,-1);
capi_return_pt:
\t;
#return#
}
#endtitle#
""",
'need':['setjmp.h','CFUNCSMESS'],
'maxnofargs':'#maxnofargs#',
'nofoptargs':'#nofoptargs#',
'docstr':"""\
\tdef #argname#(#docsignature#): return #docreturn#\\n\\
#docstrsigns#""",
'latexdocstr':"""
{{}\\verb@def #argname#(#latexdocsignature#): return #docreturn#@{}}
#routnote#
#latexdocstrsigns#""",
'docstrshort':'def #argname#(#docsignature#): return #docreturn#'
}
cb_rout_rules=[
{# Init
'separatorsfor':{'decl':'\n',
'args':',','optargs':'','pyobjfrom':'\n','freemem':'\n',
'args_td':',','optargs_td':'',
'args_nm':',','optargs_nm':'',
'frompyobj':'\n','setdims':'\n',
'docstrsigns':'\\n"\n"',
'latexdocstrsigns':'\n',
'latexdocstrreq':'\n','latexdocstropt':'\n',
'latexdocstrout':'\n','latexdocstrcbs':'\n',
},
'decl':'/*decl*/','pyobjfrom':'/*pyobjfrom*/','frompyobj':'/*frompyobj*/',
'args':[],'optargs':'','return':'','strarglens':'','freemem':'/*freemem*/',
'args_td':[],'optargs_td':'','strarglens_td':'',
'args_nm':[],'optargs_nm':'','strarglens_nm':'',
'noargs':'',
'setdims':'/*setdims*/',
'docstrsigns':'','latexdocstrsigns':'',
'docstrreq':'\tRequired arguments:',
'docstropt':'\tOptional arguments:',
'docstrout':'\tReturn objects:',
'docstrcbs':'\tCall-back functions:',
'docreturn':'','docsign':'','docsignopt':'',
'latexdocstrreq':'\\noindent Required arguments:',
'latexdocstropt':'\\noindent Optional arguments:',
'latexdocstrout':'\\noindent Return objects:',
'latexdocstrcbs':'\\noindent Call-back functions:',
'routnote':{hasnote:'--- #note#',l_not(hasnote):''},
},{ # Function
'decl':'\t#ctype# return_value;',
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting return_value->");'},
'\tif (capi_j>capi_i)\n\t\tGETSCALARFROMPYTUPLE(capi_return,capi_i++,&return_value,#ctype#,"#ctype#_from_pyobj failed in converting return_value of call-back function #name# to C #ctype#\\n");',
{debugcapi:'\tfprintf(stderr,"#showvalueformat#.\\n",return_value);'}
],
'need':['#ctype#_from_pyobj',{debugcapi:'CFUNCSMESS'},'GETSCALARFROMPYTUPLE'],
'return':'\treturn return_value;',
'_check':l_and(isfunction,l_not(isstringfunction),l_not(iscomplexfunction))
},
{# String function
'pyobjfrom':{debugcapi:'\tfprintf(stderr,"debug-capi:cb:#name#:%d:\\n",return_value_len);'},
'args':'#ctype# return_value,int return_value_len',
'args_nm':'return_value,&return_value_len',
'args_td':'#ctype# ,int',
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting return_value->\\"");'},
"""\tif (capi_j>capi_i)
\t\tGETSTRFROMPYTUPLE(capi_return,capi_i++,return_value,return_value_len);""",
{debugcapi:'\tfprintf(stderr,"#showvalueformat#\\".\\n",return_value);'}
],
'need':['#ctype#_from_pyobj',{debugcapi:'CFUNCSMESS'},
'string.h','GETSTRFROMPYTUPLE'],
'return':'return;',
'_check':isstringfunction
},
{# Complex function
'optargs':"""
#ifndef F2PY_CB_RETURNCOMPLEX
#ctype# *return_value
#endif
""",
'optargs_nm':"""
#ifndef F2PY_CB_RETURNCOMPLEX
return_value
#endif
""",
'optargs_td':"""
#ifndef F2PY_CB_RETURNCOMPLEX
#ctype# *
#endif
""",
'decl':"""
#ifdef F2PY_CB_RETURNCOMPLEX
\t#ctype# return_value;
#endif
""",
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting return_value->");'},
"""\
\tif (capi_j>capi_i)
#ifdef F2PY_CB_RETURNCOMPLEX
\t\tGETSCALARFROMPYTUPLE(capi_return,capi_i++,&return_value,#ctype#,\"#ctype#_from_pyobj failed in converting return_value of call-back function #name# to C #ctype#\\n\");
#else
\t\tGETSCALARFROMPYTUPLE(capi_return,capi_i++,return_value,#ctype#,\"#ctype#_from_pyobj failed in converting return_value of call-back function #name# to C #ctype#\\n\");
#endif
""",
{debugcapi:"""
#ifdef F2PY_CB_RETURNCOMPLEX
\tfprintf(stderr,\"#showvalueformat#.\\n\",(return_value).r,(return_value).i);
#else
\tfprintf(stderr,\"#showvalueformat#.\\n\",(*return_value).r,(*return_value).i);
#endif
"""}
],
'return':"""
#ifdef F2PY_CB_RETURNCOMPLEX
\treturn return_value;
#else
\treturn;
#endif
""",
'need':['#ctype#_from_pyobj',{debugcapi:'CFUNCSMESS'},
'string.h','GETSCALARFROMPYTUPLE','#ctype#'],
'_check':iscomplexfunction
},
{'docstrout':'\t\t#pydocsignout#',
'latexdocstrout':['\\item[]{{}\\verb@#pydocsignout#@{}}',
{hasnote:'--- #note#'}],
'docreturn':'#rname#,',
'_check':isfunction},
{'_check':issubroutine,'return':'return;'}
]
cb_arg_rules=[
{ # Doc
'docstropt':{l_and(isoptional,isintent_nothide):'\t\t#pydocsign#'},
'docstrreq':{l_and(isrequired,isintent_nothide):'\t\t#pydocsign#'},
'docstrout':{isintent_out:'\t\t#pydocsignout#'},
'latexdocstropt':{l_and(isoptional,isintent_nothide):['\\item[]{{}\\verb@#pydocsign#@{}}',
{hasnote:'--- #note#'}]},
'latexdocstrreq':{l_and(isrequired,isintent_nothide):['\\item[]{{}\\verb@#pydocsign#@{}}',
{hasnote:'--- #note#'}]},
'latexdocstrout':{isintent_out:['\\item[]{{}\\verb@#pydocsignout#@{}}',
{l_and(hasnote,isintent_hide):'--- #note#',
l_and(hasnote,isintent_nothide):'--- See above.'}]},
'docsign':{l_and(isrequired,isintent_nothide):'#varname#,'},
'docsignopt':{l_and(isoptional,isintent_nothide):'#varname#,'},
'depend':''
},
{
'args':{
l_and (isscalar,isintent_c):'#ctype# #varname_i#',
l_and (isscalar,l_not(isintent_c)):'#ctype# *#varname_i#_cb_capi',
isarray:'#ctype# *#varname_i#',
isstring:'#ctype# #varname_i#'
},
'args_nm':{
l_and (isscalar,isintent_c):'#varname_i#',
l_and (isscalar,l_not(isintent_c)):'#varname_i#_cb_capi',
isarray:'#varname_i#',
isstring:'#varname_i#'
},
'args_td':{
l_and (isscalar,isintent_c):'#ctype#',
l_and (isscalar,l_not(isintent_c)):'#ctype# *',
isarray:'#ctype# *',
isstring:'#ctype#'
},
'strarglens':{isstring:',int #varname_i#_cb_len'}, # untested with multiple args
'strarglens_td':{isstring:',int'}, # untested with multiple args
'strarglens_nm':{isstring:',#varname_i#_cb_len'}, # untested with multiple args
},
{ # Scalars
'decl':{l_not(isintent_c):'\t#ctype# #varname_i#=(*#varname_i#_cb_capi);'},
'error': {l_and(isintent_c,isintent_out,
throw_error('intent(c,out) is forbidden for callback scalar arguments')):\
''},
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting #varname#->");'},
{isintent_out:'\tif (capi_j>capi_i)\n\t\tGETSCALARFROMPYTUPLE(capi_return,capi_i++,#varname_i#_cb_capi,#ctype#,"#ctype#_from_pyobj failed in converting argument #varname# of call-back function #name# to C #ctype#\\n");'},
{l_and(debugcapi,l_and(l_not(iscomplex),isintent_c)):'\tfprintf(stderr,"#showvalueformat#.\\n",#varname_i#);'},
{l_and(debugcapi,l_and(l_not(iscomplex),l_not(isintent_c))):'\tfprintf(stderr,"#showvalueformat#.\\n",*#varname_i#_cb_capi);'},
{l_and(debugcapi,l_and(iscomplex,isintent_c)):'\tfprintf(stderr,"#showvalueformat#.\\n",(#varname_i#).r,(#varname_i#).i);'},
{l_and(debugcapi,l_and(iscomplex,l_not(isintent_c))):'\tfprintf(stderr,"#showvalueformat#.\\n",(*#varname_i#_cb_capi).r,(*#varname_i#_cb_capi).i);'},
],
'need':[{isintent_out:['#ctype#_from_pyobj','GETSCALARFROMPYTUPLE']},
{debugcapi:'CFUNCSMESS'}],
'_check':isscalar
},{
'pyobjfrom':[{isintent_in:"""\
\tif (#name#_nofargs>capi_i)
\t\tif (PyTuple_SetItem((PyObject *)capi_arglist,capi_i++,pyobj_from_#ctype#1(#varname_i#)))
\t\t\tgoto capi_fail;"""},
{isintent_inout:"""\
\tif (#name#_nofargs>capi_i)
\t\tif (PyTuple_SetItem((PyObject *)capi_arglist,capi_i++,pyarr_from_p_#ctype#1(#varname_i#_cb_capi)))
\t\t\tgoto capi_fail;"""}],
'need':[{isintent_in:'pyobj_from_#ctype#1'},
{isintent_inout:'pyarr_from_p_#ctype#1'},
{iscomplex:'#ctype#'}],
'_check':l_and(isscalar,isintent_nothide),
'_optional':''
},{# String
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting #varname#->\\"");'},
"""\tif (capi_j>capi_i)
\t\tGETSTRFROMPYTUPLE(capi_return,capi_i++,#varname_i#,#varname_i#_cb_len);""",
{debugcapi:'\tfprintf(stderr,"#showvalueformat#\\":%d:.\\n",#varname_i#,#varname_i#_cb_len);'},
],
'need':['#ctype#','GETSTRFROMPYTUPLE',
{debugcapi:'CFUNCSMESS'},'string.h'],
'_check':l_and(isstring,isintent_out)
},{
'pyobjfrom':[{debugcapi:'\tfprintf(stderr,"debug-capi:cb:#varname#=\\"#showvalueformat#\\":%d:\\n",#varname_i#,#varname_i#_cb_len);'},
{isintent_in:"""\
\tif (#name#_nofargs>capi_i)
\t\tif (PyTuple_SetItem((PyObject *)capi_arglist,capi_i++,pyobj_from_#ctype#1(#varname_i#)))
\t\t\tgoto capi_fail;"""},
{isintent_inout:"""\
\tif (#name#_nofargs>capi_i) {
\t\tint #varname_i#_cb_dims[] = {#varname_i#_cb_len};
\t\tif (PyTuple_SetItem((PyObject *)capi_arglist,capi_i++,pyarr_from_p_#ctype#1(#varname_i#,#varname_i#_cb_dims)))
\t\t\tgoto capi_fail;
\t}"""}],
'need':[{isintent_in:'pyobj_from_#ctype#1'},
{isintent_inout:'pyarr_from_p_#ctype#1'}],
'_check':l_and(isstring,isintent_nothide),
'_optional':''
},
# Array ...
{
'decl':'\tnpy_intp #varname_i#_Dims[#rank#] = {#rank*[-1]#};',
'setdims':'\t#cbsetdims#;',
'_check':isarray,
'_depend':''
},
{
'pyobjfrom':[{debugcapi:'\tfprintf(stderr,"debug-capi:cb:#varname#\\n");'},
{isintent_c:"""\
\tif (#name#_nofargs>capi_i) {
\t\tPyArrayObject *tmp_arr = (PyArrayObject *)PyArray_New(&PyArray_Type,#rank#,#varname_i#_Dims,#atype#,NULL,(char*)#varname_i#,0,NPY_CARRAY,NULL); /*XXX: Hmm, what will destroy this array??? */
""",
l_not(isintent_c):"""\
\tif (#name#_nofargs>capi_i) {
\t\tPyArrayObject *tmp_arr = (PyArrayObject *)PyArray_New(&PyArray_Type,#rank#,#varname_i#_Dims,#atype#,NULL,(char*)#varname_i#,0,NPY_FARRAY,NULL); /*XXX: Hmm, what will destroy this array??? */
""",
},
"""
\t\tif (tmp_arr==NULL)
\t\t\tgoto capi_fail;
\t\tif (PyTuple_SetItem((PyObject *)capi_arglist,capi_i++,(PyObject *)tmp_arr))
\t\t\tgoto capi_fail;
}"""],
'_check':l_and(isarray,isintent_nothide,l_or(isintent_in,isintent_inout)),
'_optional':'',
},{
'frompyobj':[{debugcapi:'\tCFUNCSMESS("cb:Getting #varname#->");'},
"""\tif (capi_j>capi_i) {
\t\tPyArrayObject *rv_cb_arr = NULL;
\t\tif ((capi_tmp = PyTuple_GetItem(capi_return,capi_i++))==NULL) goto capi_fail;
\t\trv_cb_arr = array_from_pyobj(#atype#,#varname_i#_Dims,#rank#,F2PY_INTENT_IN""",
{isintent_c:'|F2PY_INTENT_C'},
""",capi_tmp);
\t\tif (rv_cb_arr == NULL) {
\t\t\tfprintf(stderr,\"rv_cb_arr is NULL\\n\");
\t\t\tgoto capi_fail;
\t\t}
\t\tMEMCOPY(#varname_i#,rv_cb_arr->data,PyArray_NBYTES(rv_cb_arr));
\t\tif (capi_tmp != (PyObject *)rv_cb_arr) {
\t\t\tPy_DECREF(rv_cb_arr);
\t\t}
\t}""",
{debugcapi:'\tfprintf(stderr,"<-.\\n");'},
],
'need':['MEMCOPY',{iscomplexarray:'#ctype#'}],
'_check':l_and(isarray,isintent_out)
},{
'docreturn':'#varname#,',
'_check':isintent_out
}
]
################## Build call-back module #############
cb_map={}
def buildcallbacks(m):
global cb_map
cb_map[m['name']]=[]
for bi in m['body']:
if bi['block']=='interface':
for b in bi['body']:
if b:
buildcallback(b,m['name'])
else:
errmess('warning: empty body for %s\n' % (m['name']))
def buildcallback(rout,um):
global cb_map
outmess('\tConstructing call-back function "cb_%s_in_%s"\n'%(rout['name'],um))
args,depargs=getargs(rout)
capi_maps.depargs=depargs
var=rout['vars']
vrd=capi_maps.cb_routsign2map(rout,um)
rd=dictappend({},vrd)
cb_map[um].append([rout['name'],rd['name']])
for r in cb_rout_rules:
if ('_check' in r and r['_check'](rout)) or ('_check' not in r):
ar=applyrules(r,vrd,rout)
rd=dictappend(rd,ar)
savevrd={}
for i,a in enumerate(args):
vrd=capi_maps.cb_sign2map(a,var[a], index=i)
savevrd[a]=vrd
for r in cb_arg_rules:
if '_depend' in r:
continue
if '_optional' in r and isoptional(var[a]):
continue
if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
ar=applyrules(r,vrd,var[a])
rd=dictappend(rd,ar)
if '_break' in r:
break
for a in args:
vrd=savevrd[a]
for r in cb_arg_rules:
if '_depend' in r:
continue
if ('_optional' not in r) or ('_optional' in r and isrequired(var[a])):
continue
if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
ar=applyrules(r,vrd,var[a])
rd=dictappend(rd,ar)
if '_break' in r:
break
for a in depargs:
vrd=savevrd[a]
for r in cb_arg_rules:
if '_depend' not in r:
continue
if '_optional' in r:
continue
if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
ar=applyrules(r,vrd,var[a])
rd=dictappend(rd,ar)
if '_break' in r:
break
if 'args' in rd and 'optargs' in rd:
if type(rd['optargs'])==type([]):
rd['optargs']=rd['optargs']+["""
#ifndef F2PY_CB_RETURNCOMPLEX
,
#endif
"""]
rd['optargs_nm']=rd['optargs_nm']+["""
#ifndef F2PY_CB_RETURNCOMPLEX
,
#endif
"""]
rd['optargs_td']=rd['optargs_td']+["""
#ifndef F2PY_CB_RETURNCOMPLEX
,
#endif
"""]
if type(rd['docreturn'])==types.ListType:
rd['docreturn']=stripcomma(replace('#docreturn#',{'docreturn':rd['docreturn']}))
optargs=stripcomma(replace('#docsignopt#',
{'docsignopt':rd['docsignopt']}
))
if optargs=='':
rd['docsignature']=stripcomma(replace('#docsign#',{'docsign':rd['docsign']}))
else:
rd['docsignature']=replace('#docsign#[#docsignopt#]',
{'docsign':rd['docsign'],
'docsignopt':optargs,
})
rd['latexdocsignature']=rd['docsignature'].replace('_','\\_')
rd['latexdocsignature']=rd['latexdocsignature'].replace(',',', ')
rd['docstrsigns']=[]
rd['latexdocstrsigns']=[]
for k in ['docstrreq','docstropt','docstrout','docstrcbs']:
if k in rd and type(rd[k])==types.ListType:
rd['docstrsigns']=rd['docstrsigns']+rd[k]
k='latex'+k
if k in rd and type(rd[k])==types.ListType:
rd['latexdocstrsigns']=rd['latexdocstrsigns']+rd[k][0:1]+\
['\\begin{description}']+rd[k][1:]+\
['\\end{description}']
if 'args' not in rd:
rd['args']=''
rd['args_td']=''
rd['args_nm']=''
if not (rd.get('args') or rd.get('optargs') or rd.get('strarglens')):
rd['noargs'] = 'void'
ar=applyrules(cb_routine_rules,rd)
cfuncs.callbacks[rd['name']]=ar['body']
if type(ar['need'])==types.StringType:
ar['need']=[ar['need']]
if 'need' in rd:
for t in cfuncs.typedefs.keys():
if t in rd['need']:
ar['need'].append(t)
cfuncs.typedefs_generated[rd['name']+'_typedef'] = ar['cbtypedefs']
ar['need'].append(rd['name']+'_typedef')
cfuncs.needs[rd['name']]=ar['need']
capi_maps.lcb2_map[rd['name']]={'maxnofargs':ar['maxnofargs'],
'nofoptargs':ar['nofoptargs'],
'docstr':ar['docstr'],
'latexdocstr':ar['latexdocstr'],
'argname':rd['argname']
}
outmess('\t %s\n'%(ar['docstrshort']))
#print ar['body']
return
################## Build call-back function #############
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