VisionEgg.PyroApps.EPhysServer

63 - def __init__(self, presentation, server_modules ):

64 Pyro.core.ObjBase.__init__(self) 65 self.stimdict = {} 66 self.stimkey = server_modules[0].get_meta_controller_stimkey() # first stimulus will be this 67 self.quit_status = False 68 self.exec_demoscript_flag = False 69 self.presentation = presentation 70 # target for stimulus onset calibration 71 self.onset_cal_bg = VisionEgg.MoreStimuli.Target2D(color=(0.0,0.0,0.0,1.0), 72 position=(30.0,30.0), 73 anchor='center', 74 size=(50.0,50.0)) 75 self.onset_cal_fg = VisionEgg.MoreStimuli.Target2D(on=0, 76 color=(1.0,1.0,1.0,1.0), 77 position=(30.0,30.0), 78 anchor='center', 79 size=(50.0,50.0)) 80 self.presentation.add_controller(self.onset_cal_fg,'on',VisionEgg.FlowControl.ConstantController(during_go_value=1, 81 between_go_value=0)) 82 # get screen (hack) 83 self.onset_cal_screen = self.presentation.parameters.viewports[0].parameters.screen 84 self.onset_cal_viewport = VisionEgg.Core.Viewport(screen=self.onset_cal_screen, 85 stimuli=[self.onset_cal_bg, 86 self.onset_cal_fg] 87 ) 88 89 for server_module in server_modules: 90 stimkey = server_module.get_meta_controller_stimkey() 91 klass = server_module.get_meta_controller_class() 92 make_stimuli = server_module.make_stimuli 93 self.stimdict[stimkey] = (klass, make_stimuli)

94

95 - def __del__(self):

96 self.presentation.remove_controller(self.onset_cal_fg,'on') 97 Pyro.core.ObjBase.__del__(self)

98

99 - def get_quit_status(self):

100 return self.quit_status

101

102 - def set_quit_status(self,quit_status):

103 self.quit_status = quit_status 104 self.presentation.parameters.quit = quit_status

105

106 - def first_connection(self):

107 # break out of initial run_forever loop 108 self.presentation.parameters.quit = True

109

110 - def set_stim_onset_cal(self, on):

111 if on: 112 if self.onset_cal_viewport not in self.presentation.parameters.viewports: 113 self.presentation.parameters.viewports.append(self.onset_cal_viewport) 114 else: 115 if self.onset_cal_viewport in self.presentation.parameters.viewports: 116 self.presentation.parameters.viewports.remove(self.onset_cal_viewport)

117

118 - def set_stim_onset_cal_location(self, center, size):

119 self.onset_cal_bg.parameters.position = center 120 self.onset_cal_fg.parameters.position = center 121 self.onset_cal_bg.parameters.size = size 122 self.onset_cal_fg.parameters.size = size[0]-2,size[1]-2

123

124 - def get_stim_onset_cal_location(self):

125 x,y = self.onset_cal_bg.parameters.position 126 width,height = self.onset_cal_bg.parameters.size 127 return x,y,width,height

128

129 - def set_gamma_ramp(self, red, blue, green):

130 return pygame.display.set_gamma_ramp(red,green,blue)

131

132 - def is_in_go_loop(self):

133 return self.presentation.is_in_go_loop()

134

135 - def were_frames_dropped_in_last_go_loop(self):

136 return self.presentation.were_frames_dropped_in_last_go_loop()

137

138 - def get_last_go_loop_start_time_absolute_sec(self):

139 return self.presentation.get_last_go_loop_start_time_absolute_sec()

140

141 - def set_override_t_abs_sec(self, value_sec_string):

142 value_sec = float(value_sec_string) # Pyro loses precision 143 self.presentation.parameters.override_t_abs_sec = value_sec

144

145 - def get_next_stimulus_meta_controller(self):

146 if self.stimkey: 147 klass, make_stimuli = self.stimdict[self.stimkey] 148 stimuli = make_stimuli() 149 return self.stimkey, klass, stimuli 150 else: 151 raise RuntimeError("No stimkey")

152

153 - def get_stimkey(self):

154 return self.stimkey

155

156 - def set_next_stimkey(self,stimkey):

157 self.stimkey = stimkey

158

159 - def get_cwd(self):

160 return os.path.abspath(os.curdir)

161

162 - def save_image_sequence(self,fps=12.0,filename_base="im",filename_suffix=".tif",save_dir="."):

163 try: 164 self.presentation.export_movie_go(frames_per_sec=fps, 165 filename_base=filename_base, 166 filename_suffix=filename_suffix, 167 path=save_dir 168 ) 169 except Exception,x: 170 # do this because Pyro doesn't (by default) print a traceback 171 import traceback 172 traceback.print_exc() 173 raise

174

175 - def build_AST(self, source):

176 AST = parser.suite(source) 177 self.AST = AST

178

179 - def exec_AST(self, screen, dropin_meta_params):

180 181 if dropin_meta_params.vars_list is not None: 182 for var in dropin_meta_params.vars_list: 183 self.AST = AST_ext.modify_AST(self.AST, var[0], var[1]) 184 185 code_module = self.AST.compile() 186 exec code_module in locals() 187 self.script_dropped_frames = p.were_frames_dropped_in_last_go_loop() 188 self.presentation.last_go_loop_start_time_absolute_sec = p.last_go_loop_start_time_absolute_sec # evil hack... 189 self.exec_demoscript_flag = False

190

191 - def run_demoscript(self):

192 self.exec_demoscript_flag = True

Source Code for Module VisionEgg.PyroApps.EPhysServer