__init__.py
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from ctypes import *
import os
def _string_args(n):
s = []
for i in range(n):
s.append(c_char_p)
return s
def _var_string_args(n):
s = [c_int, POINTER(c_char_p)]
s.extend(_string_args(n))
return s
def _handle_string_func(func):
def call_func(*args):
howlong = func('', 0, *args)
msg = 'x'*(howlong-1)
func(msg, howlong, *args)
return msg
return call_func
def init_brpy(br_loc='/usr/local/lib'):
"""Initializes all function inputs and outputs for the br ctypes lib object"""
lib_path = os.environ.get('LD_LIBRARY_PATH')
paths = [br_loc]
if lib_path:
paths.extend(lib_path.split(':'))
found = False
for p in paths:
dylib = '%s/%s.%s' % (p, 'libopenbr', 'dylib')
so = '%s/%s.%s' % (p, 'libopenbr', 'so')
if os.path.exists(dylib):
br = cdll.LoadLibrary(dylib)
found = True
break
elif os.path.exists(so):
br = cdll.LoadLibrary(so)
found = True
break
if not found:
raise ValueError('Neither .so nor .dylib libopenbr found in %s' % br_loc)
plot_args = _var_string_args(1) + [c_bool]
br.br_about.restype = c_char_p
br.br_cat.argtypes = _var_string_args(1)
br.br_cluster.argtypes = [c_int, POINTER(c_char_p), c_float, c_char_p]
br.br_combine_masks.argtypes = _var_string_args(2)
br.br_compare.argtypes = _string_args(3)
br.br_compare_n.argtypes = [c_int, POINTER(c_char_p)] + _string_args(2)
br.br_pairwise_compare.argtypes = _string_args(3)
br.br_convert.argtypes = _string_args(3)
br.br_enroll.argtypes = _string_args(2)
br.br_enroll_n.argtypes = _var_string_args(1)
br.br_eval.argtypes = _string_args(3)
br.br_eval.restype = c_float
br.br_eval_classification.argtypes = _string_args(4)
br.br_eval_clustering.argtypes = _string_args(3)
br.br_eval_detection.argtypes = _string_args(3)
br.br_eval_detection.restype = c_float
br.br_eval_landmarking.argtypes = _string_args(3) + [c_int, c_int]
br.br_eval_landmarking.restype = c_float
br.br_eval_regression.argtypes = _string_args(4)
br.br_fuse.argtypes = _var_string_args(3)
br.br_initialize.argtypes = _var_string_args(1)
br.br_is_classifier.argtypes = [c_char_p]
br.br_is_classifier.restype = c_bool
br.br_make_mask.argtypes = _string_args(3)
br.br_make_pairwise_mask.argtypes = _string_args(3)
br.br_most_recent_message.argtypes = [c_char_p, c_int]
br.br_most_recent_message.restype = c_int
func = br.br_most_recent_message.__call__
br.br_most_recent_message = _handle_string_func(func)
br.br_objects.argtypes = [c_char_p, c_int] + _string_args(2) + [c_bool]
br.br_objects.restype = c_int
func2 = br.br_objects.__call__
br.br_objects = _handle_string_func(func2)
br.br_plot.argtypes = plot_args
br.br_plot.restype = c_bool
br.br_plot_detection.argtypes = plot_args
br.br_plot_detection.restype = c_bool
br.br_plot_landmarking.argtypes = plot_args
br.br_plot_landmarking.restype = c_bool
br.br_plot_metadata.argtypes = plot_args
br.br_plot_metadata.restype = c_bool
br.br_progress.restype = c_float
br.br_read_pipe.argtypes = [c_char_p, POINTER(c_int), POINTER(POINTER(c_char_p))]
br.br_scratch_path.argtypes = [c_char_p, c_int]
br.br_scratch_path.restype = c_int
func3 = br.br_scratch_path.__call__
br.br_scratch_path = _handle_string_func(func3)
br.br_sdk_path.restype = c_char_p
br.br_get_header.argtypes = [c_char_p, POINTER(c_char_p), POINTER(c_char_p)]
br.br_set_header.argtypes = _string_args(3)
br.br_set_property.argtypes = _string_args(2)
br.br_time_remaining.restype = c_int
br.br_train.argtypes = _string_args(2)
br.br_train_n.argtypes = _var_string_args(1)
br.br_version.restype = c_char_p
br.br_slave_process.argtypes = [c_char_p]
br.br_load_img.argtypes = [c_char_p, c_int]
br.br_load_img.restype = c_void_p
br.br_unload_img.argtypes = [c_void_p]
br.br_unload_img.restype = POINTER(c_ubyte)
br.br_template_list_from_buffer.argtypes = [c_char_p, c_int]
br.br_template_list_from_buffer.restype = c_void_p
br.br_free_template.argtypes = [c_void_p]
br.br_free_template_list.argtypes = [c_void_p]
br.br_free_output.argtypes = [c_void_p]
br.br_img_rows.argtypes = [c_void_p]
br.br_img_rows.restype = c_int
br.br_img_cols.argtypes = [c_void_p]
br.br_img_cols.restype = c_int
br.br_img_channels.argtypes = [c_void_p]
br.br_img_channels.restype = c_int
br.br_img_is_empty.argtypes = [c_void_p]
br.br_img_is_empty.restype = c_bool
br.br_get_filename.argtypes = [c_char_p, c_int, c_void_p]
br.br_get_filename.restype = c_int
func4 = br.br_get_filename.__call__
br.br_get_filename = _handle_string_func(func4)
br.br_set_filename.argtypes = [c_void_p, c_char_p]
br.br_get_metadata_string.argtypes = [c_char_p, c_int, c_void_p, c_char_p]
br.br_get_metadata_string.restype = c_int
func5 = br.br_get_metadata_string.__call__
br.br_get_metadata_string = _handle_string_func(func5)
br.br_enroll_template.argtypes = [c_void_p]
br.br_enroll_template.restype = c_void_p
br.br_enroll_template_list.argtypes = [c_void_p]
br.br_enroll_template_list.restype = c_void_p
br.br_compare_template_lists.argtypes = [c_void_p, c_void_p]
br.br_compare_template_lists.restype = c_void_p
br.br_get_matrix_output_at.argtypes = [c_void_p, c_int, c_int]
br.br_get_matrix_output_at.restype = c_float
br.br_get_template.argtypes = [c_void_p, c_int]
br.br_get_template.restype = c_void_p
br.br_num_templates.argtypes = [c_void_p]
br.br_num_templates.restype = c_int
br.br_make_gallery.argtypes = [c_char_p]
br.br_make_gallery.restype = c_void_p
br.br_load_from_gallery.argtypes = [c_void_p]
br.br_load_from_gallery.restype = c_void_p
br.br_add_template_to_gallery.argtypes = [c_void_p, c_void_p]
br.br_add_template_list_to_gallery.argtypes = [c_void_p, c_void_p]
br.br_close_gallery.argtypes = [c_void_p]
return br