630 lines
17 KiB
Python
Executable File
630 lines
17 KiB
Python
Executable File
import sys
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from string import Template
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class argument:
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def __init__(self, fields):
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self.ty = fields[0]
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self.nm = fields[1]
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self.flags = ""
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self.init = None
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if len(fields) > 2:
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if fields[2][0] == '/':
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self.flags = fields[2][1:].split(",")
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else:
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self.init = fields[2]
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api = []
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for l in open("%s/api" % sys.argv[1]):
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if l[0] == '#':
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continue
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l = l.rstrip()
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if (not l.startswith(' ')) and ('/' in l):
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(l, flags) = l.split('/')
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else:
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flags = ""
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f = l.split()
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if len(f) != 0:
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if l[0] != ' ':
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if len(f) > 1:
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ty = f[1]
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else:
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ty = None
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api.append((f[0], [], ty, flags))
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else:
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api[-1][1].append(argument(f))
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# Validation: check that any optional arguments are last
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had_error = False
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for (f, args, ty, flags) in api:
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has_init = [(a.init != None) for a in args if not 'O' in a.flags]
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if True in has_init and not all(has_init[has_init.index(True):]):
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print 'Error in definition for "%s", optional arguments must be last' % f
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had_error = True
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if had_error:
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sys.exit(1)
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def cname(n):
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if n.startswith("CV"):
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return '_' + n
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elif n[0].isdigit():
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return '_' + n
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else:
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return n
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# RHS is how the aggregate gets expanded in the C call
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aggregate = {
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'pts_npts_contours' : '!.pts,!.npts,!.contours',
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'cvarr_count' : '!.cvarr,!.count',
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'cvarr_plane_count' : '!.cvarr,!.count',
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'floats' : '!.f',
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'ints' : '!.i',
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'ints0' : '!.i',
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'CvPoints' : '!.p,!.count',
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'CvPoint2D32fs' : '!.p,!.count',
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'CvPoint3D32fs' : '!.p,!.count',
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'cvarrseq' : '!.seq',
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'CvArrs' : '!.ims',
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'IplImages' : '!.ims',
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'intpair' : '!.pairs,!.count',
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'cvpoint2d32f_count' : '!.points,&!.count'
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}
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conversion_types = [
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'char',
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'CvArr',
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'CvArrSeq',
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'CvBox2D', # '((ff)(ff)f)',
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'CvBox2D*',
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'CvCapture*',
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'CvStereoBMState*',
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'CvStereoGCState*',
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'CvKalman*',
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'CvVideoWriter*',
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'CvContourTree*',
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'CvFont',
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'CvFont*',
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'CvHaarClassifierCascade*',
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'CvHistogram',
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'CvMat',
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'CvMatND',
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'CvMemStorage',
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'CvMoments',
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'CvMoments*',
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'CvNextEdgeType',
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'CvPoint',
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'CvPoint*',
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'CvPoint2D32f', # '(ff)',
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'CvPoint2D32f*',
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'CvPoint3D32f*',
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'CvPoint2D64f',
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'CvPOSITObject*',
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'CvRect',
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'CvRect*',
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'CvRNG*',
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'CvScalar',
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'CvSeq',
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'CvSeqOfCvConvexityDefect',
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'CvSize',
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'CvSlice',
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'CvStarDetectorParams',
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'CvSubdiv2D*',
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'CvSubdiv2DEdge',
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'CvTermCriteria',
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'generic',
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'IplConvKernel*',
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'IplImage',
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'PyObject*',
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'PyCallableObject*'
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]
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def safename(s):
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return s.replace('*', 'PTR').replace('[', '_').replace(']', '_')
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def has_optional(al):
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""" return true if any argument is optional """
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return any([a.init for a in al])
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def gen(name, args, ty, flags):
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yield ""
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if has_optional(args):
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yield "static PyObject *pycv%s(PyObject *self, PyObject *args, PyObject *kw)" % cname(name)
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else:
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yield "static PyObject *pycv%s(PyObject *self, PyObject *args)" % cname(name)
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if 'doconly' in flags:
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yield ";"
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else:
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yield "{"
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destinations = []
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for a in args:
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remap = {
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'CvArr' : 'CvArr*',
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'CvMat' : 'CvMat*',
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'CvMatND' : 'CvMatND*',
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'IplImage' : 'IplImage*',
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'CvMemStorage' : 'CvMemStorage*',
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'CvHistogram':'CvHistogram*',
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'CvSeq':'CvSeq*',
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'CvHaarClassifierCascade' : 'CvHaarClassifierCascade*'
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}
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ctype = remap.get(a.ty, a.ty)
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if a.init:
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init = " = %s" % a.init
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else:
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init = ''
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yield " %s %s%s;" % (ctype, a.nm, init)
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if 'O' in a.flags:
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continue
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if a.ty in (conversion_types + aggregate.keys()):
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yield ' PyObject *pyobj_%s = NULL;' % (a.nm)
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destinations.append('&pyobj_%s' % (a.nm))
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elif a.ty in [ 'CvPoint2D32f' ]:
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destinations.append('&%s.x, &%s.y' % (a.nm, a.nm))
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elif a.ty in [ 'CvTermCriteria' ]:
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destinations.append('&%s.type, &%s.max_iter, &%s.epsilon' % ((a.nm,)*3))
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elif a.ty in [ 'CvSURFParams' ]:
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destinations.append('&%s.extended, &%s.hessianThreshold, &%s.nOctaves, &%s.nOctaveLayers' % ((a.nm,)*4))
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elif a.nm in [ 'CvBox2D' ]:
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s = ", ".join([('&' + a.nm +'.' + fld) for fld in [ 'center.x', 'center.y', 'size.width', 'size.height', 'angle' ] ])
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destinations.append(s)
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else:
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destinations.append('&%s' % a.nm)
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fmap = {
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'CvSURFParams' : '(idii)',
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'double' : 'd',
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'float' : 'f',
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'int' : 'i',
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'int64' : 'L',
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'char*' : 's',
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}
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for k in (conversion_types + aggregate.keys()):
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fmap[k] = 'O'
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in_args = [ a for a in args if not 'O' in a.flags ]
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fmt0 = "".join([ fmap[a.ty] for a in in_args if not a.init])
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fmt1 = "".join([ fmap[a.ty] for a in in_args if a.init])
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yield ''
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if len(fmt0 + fmt1) > 0:
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if len(fmt1) > 0:
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yield ' const char *keywords[] = { %s };' % (", ".join([ '"%s"' % arg.nm for arg in args if not 'O' in arg.flags ] + ['NULL']))
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yield ' if (!PyArg_ParseTupleAndKeywords(args, kw, "%s|%s", %s))' % (fmt0, fmt1, ", ".join(['(char**)keywords'] + destinations))
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if '(' in (fmt0 + fmt1):
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print "Tuple with kwargs is not allowed, function", name
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sys.exit(1)
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else:
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yield ' if (!PyArg_ParseTuple(args, "%s", %s))' % (fmt0, ", ".join(destinations))
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yield ' return NULL;'
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# Do the conversions:
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for a in args:
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joinwith = [f[2:] for f in a.flags if f.startswith("J:")]
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if len(joinwith) > 0:
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yield 'preShareData(%s, &%s);' % (joinwith[0], a.nm)
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if 'O' in a.flags:
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continue
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if a.ty in (conversion_types + aggregate.keys()):
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if a.init:
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pred = '(pyobj_%s != NULL) && ' % a.nm
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else:
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pred = ''
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yield ' if (%s!convert_to_%s(pyobj_%s, &%s, "%s")) return NULL;' % (pred, safename(a.ty), a.nm, a.nm, a.nm)
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yield '#ifdef CVPY_VALIDATE_%s' % name
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yield 'CVPY_VALIDATE_%s();' % name
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yield '#endif'
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def invokename(a):
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if 'K' in a.flags:
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prefix = "(const CvArr **)"
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elif 'O' in a.flags and not 'A' in a.flags:
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prefix = "&"
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else:
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prefix = ""
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if a.ty in aggregate:
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return prefix + aggregate[a.ty].replace('!', a.nm)
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else:
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return prefix + a.nm
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def funcname(s):
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# The name by which the function is called, in C
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if s.startswith("CV"):
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return s
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else:
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return "cv" + s
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tocall = '%s(%s)' % (funcname(name), ", ".join(invokename(a) for a in args))
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if 'stub' in flags:
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yield ' return stub%s(%s);' % (name, ", ".join(invokename(a) for a in args))
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elif ty == None:
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yield ' ERRWRAP(%s);' % tocall
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yield ' Py_RETURN_NONE;'
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else:
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Rtypes = [
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'int',
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'int64',
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'double',
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'CvCapture*',
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'CvVideoWriter*',
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'CvPOSITObject*',
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'CvScalar',
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'CvSize',
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'CvRect',
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'CvSeq*',
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'CvBox2D',
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'CvSeqOfCvAvgComp*',
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'CvSeqOfCvConvexityDefect*',
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'CvSeqOfCvStarKeypoint*',
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'CvSeqOfCvSURFPoint*',
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'CvSeqOfCvSURFDescriptor*',
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'CvContourTree*',
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'IplConvKernel*',
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'IplImage*',
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'CvMat*',
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'constCvMat*',
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'ROCvMat*',
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'CvMatND*',
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'CvPoint2D32f_4',
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'CvRNG',
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'CvSubdiv2D*',
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'CvSubdiv2DPoint*',
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'CvSubdiv2DEdge',
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'ROIplImage*',
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'CvStereoBMState*',
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'CvStereoGCState*',
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'CvKalman*',
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'float',
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'generic',
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'unsigned' ]
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if ty in Rtypes:
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yield ' %s r;' % (ty)
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yield ' ERRWRAP(r = %s);' % (tocall)
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yield ' return FROM_%s(r);' % safename(ty)
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else:
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all_returns = ty.split(",")
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return_value_from_call = len(set(Rtypes) & set(all_returns)) != 0
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if return_value_from_call:
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yield ' %s r;' % list(set(Rtypes) & set(all_returns))[0]
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yield ' ERRWRAP(r = %s);' % (tocall)
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else:
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yield ' ERRWRAP(%s);' % (tocall)
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typed = dict([ (a.nm,a.ty) for a in args])
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for i in range(len(all_returns)):
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if all_returns[i] in Rtypes:
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typed['r'] = all_returns[i]
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all_returns[i] = "r"
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if len(all_returns) == 1:
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af = dict([ (a.nm,a.flags) for a in args])
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joinwith = [f[2:] for f in af.get(all_returns[0], []) if f.startswith("J:")]
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if len(joinwith) > 0:
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yield ' return shareData(pyobj_%s, %s, %s);' % (joinwith[0], joinwith[0], all_returns[0])
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else:
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yield ' return FROM_%s(%s);' % (safename(typed[all_returns[0]]), all_returns[0])
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else:
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yield ' return Py_BuildValue("%s", %s);' % ("N" * len(all_returns), ", ".join(["FROM_%s(%s)" % (safename(typed[n]), n) for n in all_returns]))
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yield '}'
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gen_c = [ open("generated%d.i" % i, "w") for i in range(5) ]
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print "Generated %d functions" % len(api)
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for nm,args,ty,flags in sorted(api):
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# Figure out docstring into ds_*
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ds_args = []
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mandatory = [a.nm for a in args if not ('O' in a.flags) and not a.init]
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optional = [a.nm for a in args if not ('O' in a.flags) and a.init]
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ds_args = ", ".join(mandatory)
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def o2s(o):
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if o == []:
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return ""
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else:
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return ' [, %s%s]' % (o[0], o2s(o[1:]))
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ds_args += o2s(optional)
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ds = "%s(%s) -> %s" % (nm, ds_args, str(ty))
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#print ds
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if has_optional(args):
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entry = '{"%%s", (PyCFunction)pycv%s, METH_KEYWORDS, "%s"},' % (cname(nm), ds)
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else:
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entry = '{"%%s", pycv%s, METH_VARARGS, "%s"},' % (cname(nm), ds)
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print >>gen_c[1], entry % (nm)
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if nm.startswith('CV_'):
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print >>gen_c[1], entry % (nm[3:])
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for l in gen(nm,args,ty,flags):
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print >>gen_c[0], l
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for l in open("%s/defs" % sys.argv[1]):
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print >>gen_c[2], "PUBLISH(%s);" % l.split()[1]
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########################################################################
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# Generated objects.
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########################################################################
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# gen_c[3] is the code, gen_c[4] initializers
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gensimple = Template("""
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/*
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${cvtype} is the OpenCV C struct
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${ourname}_t is the Python object
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*/
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struct ${ourname}_t {
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PyObject_HEAD
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${cvtype} v;
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};
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static PyObject *${ourname}_repr(PyObject *self)
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{
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${ourname}_t *p = (${ourname}_t*)self;
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char str[1000];
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sprintf(str, "<${ourname} %p>", p);
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return PyString_FromString(str);
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}
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${getset_funcs}
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static PyGetSetDef ${ourname}_getseters[] = {
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${getset_inits}
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{NULL} /* Sentinel */
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};
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static PyTypeObject ${ourname}_Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0, /*size*/
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MODULESTR".${ourname}", /*name*/
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sizeof(${ourname}_t), /*basicsize*/
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};
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static void ${ourname}_specials(void)
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{
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${ourname}_Type.tp_repr = ${ourname}_repr;
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${ourname}_Type.tp_getset = ${ourname}_getseters;
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}
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static PyObject *FROM_${cvtype}(${cvtype} r)
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{
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${ourname}_t *m = PyObject_NEW(${ourname}_t, &${ourname}_Type);
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m->v = r;
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return (PyObject*)m;
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}
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static int convert_to_${cvtype}PTR(PyObject *o, ${cvtype}** dst, const char *name = "no_name")
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{
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${allownull}
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if (PyType_IsSubtype(o->ob_type, &${ourname}_Type)) {
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*dst = &(((${ourname}_t*)o)->v);
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return 1;
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} else {
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(*dst) = (${cvtype}*)NULL;
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return failmsg("Expected ${cvtype} for argument '%s'", name);
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}
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}
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""")
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genptr = Template("""
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/*
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${cvtype} is the OpenCV C struct
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${ourname}_t is the Python object
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*/
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struct ${ourname}_t {
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PyObject_HEAD
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${cvtype} *v;
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};
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static void ${ourname}_dealloc(PyObject *self)
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{
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${ourname}_t *p = (${ourname}_t*)self;
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cvRelease${ourname}(&p->v);
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PyObject_Del(self);
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}
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static PyObject *${ourname}_repr(PyObject *self)
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{
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${ourname}_t *p = (${ourname}_t*)self;
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char str[1000];
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sprintf(str, "<${ourname} %p>", p);
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return PyString_FromString(str);
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}
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${getset_funcs}
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static PyGetSetDef ${ourname}_getseters[] = {
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${getset_inits}
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{NULL} /* Sentinel */
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};
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static PyTypeObject ${ourname}_Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0, /*size*/
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MODULESTR".${ourname}", /*name*/
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sizeof(${ourname}_t), /*basicsize*/
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};
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static void ${ourname}_specials(void)
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{
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${ourname}_Type.tp_dealloc = ${ourname}_dealloc;
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${ourname}_Type.tp_repr = ${ourname}_repr;
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${ourname}_Type.tp_getset = ${ourname}_getseters;
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}
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static PyObject *FROM_${cvtype}PTR(${cvtype} *r)
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{
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${ourname}_t *m = PyObject_NEW(${ourname}_t, &${ourname}_Type);
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m->v = r;
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return (PyObject*)m;
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}
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static int convert_to_${cvtype}PTR(PyObject *o, ${cvtype}** dst, const char *name = "no_name")
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{
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${allownull}
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if (PyType_IsSubtype(o->ob_type, &${ourname}_Type)) {
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*dst = ((${ourname}_t*)o)->v;
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return 1;
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} else {
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(*dst) = (${cvtype}*)NULL;
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return failmsg("Expected ${cvtype} for argument '%s'", name);
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}
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}
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""")
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getset_func_template = Template("""
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static PyObject *${ourname}_get_${member}(${ourname}_t *p, void *closure)
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{
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return ${rconverter}(p->v${accessor}${member});
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}
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static int ${ourname}_set_${member}(${ourname}_t *p, PyObject *value, void *closure)
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{
|
|
if (value == NULL) {
|
|
PyErr_SetString(PyExc_TypeError, "Cannot delete the ${member} attribute");
|
|
return -1;
|
|
}
|
|
|
|
if (! ${checker}(value)) {
|
|
PyErr_SetString(PyExc_TypeError, "The ${member} attribute value must be a ${typename}");
|
|
return -1;
|
|
}
|
|
|
|
p->v${accessor}${member} = ${converter}(value);
|
|
return 0;
|
|
}
|
|
|
|
""")
|
|
|
|
getset_init_template = Template("""
|
|
{(char*)"${member}", (getter)${ourname}_get_${member}, (setter)${ourname}_set_${member}, (char*)"${member}", NULL},
|
|
""")
|
|
|
|
objects = [
|
|
( 'IplConvKernel', ['allownull'], {
|
|
"nCols" : 'i',
|
|
"nRows" : 'i',
|
|
"anchorX" : 'i',
|
|
"anchorY" : 'i',
|
|
}),
|
|
( 'CvCapture', [], {}),
|
|
( 'CvHaarClassifierCascade', [], {}),
|
|
( 'CvPOSITObject', [], {}),
|
|
( 'CvVideoWriter', [], {}),
|
|
( 'CvStereoBMState', [], {
|
|
"preFilterType" : 'i',
|
|
"preFilterSize" : 'i',
|
|
"preFilterCap" : 'i',
|
|
"SADWindowSize" : 'i',
|
|
"minDisparity" : 'i',
|
|
"numberOfDisparities" : 'i',
|
|
"textureThreshold" : 'i',
|
|
"uniquenessRatio" : 'i',
|
|
"speckleWindowSize" : 'i',
|
|
"speckleRange" : 'i',
|
|
}),
|
|
( 'CvStereoGCState', [], {
|
|
"Ithreshold" : 'i',
|
|
"interactionRadius" : 'i',
|
|
"K" : 'f',
|
|
"lambda" : 'f',
|
|
"lambda1" : 'f',
|
|
"lambda2" : 'f',
|
|
"occlusionCost" : 'i',
|
|
"minDisparity" : 'i',
|
|
"numberOfDisparities" : 'i',
|
|
"maxIters" : 'i',
|
|
}),
|
|
( 'CvKalman', [], {
|
|
"MP" : 'i',
|
|
"DP" : 'i',
|
|
"CP" : 'i',
|
|
"state_pre" : 'mr',
|
|
"state_post" : 'mr',
|
|
"transition_matrix" : 'mr',
|
|
"control_matrix" : 'mr',
|
|
"measurement_matrix" : 'mr',
|
|
"control_matrix" : 'mr',
|
|
"process_noise_cov" : 'mr',
|
|
"measurement_noise_cov" : 'mr',
|
|
"error_cov_pre" : 'mr',
|
|
"gain" : 'mr',
|
|
"error_cov_post" : 'mr',
|
|
}),
|
|
( 'CvMoments', ['copy'], {
|
|
"m00" : 'f',
|
|
"m10" : 'f',
|
|
"m01" : 'f',
|
|
"m20" : 'f',
|
|
"m11" : 'f',
|
|
"m02" : 'f',
|
|
"m30" : 'f',
|
|
"m21" : 'f',
|
|
"m12" : 'f',
|
|
"m03" : 'f',
|
|
"mu20" : 'f',
|
|
"mu11" : 'f',
|
|
"mu02" : 'f',
|
|
"mu30" : 'f',
|
|
"mu21" : 'f',
|
|
"mu12" : 'f',
|
|
"mu03" : 'f',
|
|
"inv_sqrt_m00" : 'f',
|
|
}),
|
|
]
|
|
|
|
checkers = {
|
|
'i' : 'PyNumber_Check',
|
|
'f' : 'PyNumber_Check',
|
|
'm' : 'is_cvmat',
|
|
'mr' : 'is_cvmat'
|
|
}
|
|
# Python -> C
|
|
converters = {
|
|
'i' : 'PyInt_AsLong',
|
|
'f' : 'PyFloat_AsDouble',
|
|
'm' : 'PyCvMat_AsCvMat',
|
|
'mr' : 'PyCvMat_AsCvMat'
|
|
}
|
|
# C -> Python
|
|
rconverters = {
|
|
'i' : 'PyInt_FromLong',
|
|
'f' : 'PyFloat_FromDouble',
|
|
'm' : 'FROM_CvMat',
|
|
'mr' : 'FROM_ROCvMatPTR'
|
|
}
|
|
# Human-readable type names
|
|
typenames = {
|
|
'i' : 'integer',
|
|
'f' : 'float',
|
|
'm' : 'list of CvMat',
|
|
'mr' : 'list of CvMat',
|
|
}
|
|
|
|
for (t, flags, members) in objects:
|
|
map = {'cvtype' : t,
|
|
'ourname' : t.replace('Cv', '')}
|
|
# gsf is all the generated code for the member accessors
|
|
if 'copy' in flags:
|
|
a = '.'
|
|
else:
|
|
a = '->'
|
|
gsf = "".join([getset_func_template.substitute(map, accessor = a, member = m, checker = checkers[t], converter = converters[t], rconverter = rconverters[t], typename = typenames[t]) for (m, t) in members.items()])
|
|
# gsi is the generated code for the initializer for each accessor
|
|
gsi = "".join([getset_init_template.substitute(map, member = m) for (m, t) in members.items()])
|
|
# s is the template that pulls everything together
|
|
if 'allownull' in flags:
|
|
nullcode = """if (o == Py_None) { *dst = (%s*)NULL; return 1; }""" % map['cvtype']
|
|
else:
|
|
nullcode = ""
|
|
if 'copy' in flags:
|
|
print >>gen_c[3], gensimple.substitute(map, getset_funcs = gsf, getset_inits = gsi, allownull = nullcode)
|
|
else:
|
|
print >>gen_c[3], genptr.substitute(map, getset_funcs = gsf, getset_inits = gsi, allownull = nullcode)
|
|
print >>gen_c[4], "MKTYPE(%s);" % map['ourname']
|
|
|
|
for f in gen_c:
|
|
f.close()
|