Mercurial > getan > getan

annotate getan/controller.py @ 199:3fa4ab9146dd

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Implement three phase user input handling First the state is able to filter keys. Afterwards the MainLoop widget is allowed to act on keypress. At last the state is allowed to react on keys.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 05 Apr 2013 19:29:33 +0200
parents 9f85ffa0a2f6
children 2987c6991005
rev   line source
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1 # -*- coding: utf-8 -*-
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2 #
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3 # (c) 2010 by Ingo Weinzierl <ingo.weinzierl@intevation.de>
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4 # (c) 2011 by Björn Ricks <bjoern.ricks@intevation.de>
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5 #
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6 # A python worklog-alike to log what you have 'getan' (done).
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7 #
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8 # This is Free Software licensed under the terms of GPLv3 or later.
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9 # For details see LICENSE coming with the source of 'getan'.
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10 #
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11
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12 import logging
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13 import urwid
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14
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15 from datetime import datetime
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16
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17 from getan.view import GetanView
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18 from getan.states import PausedProjectsState
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19 from getan.utils import format_time
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20 from getan.config import Config
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21
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22 logger = logging.getLogger()
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23
136
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24 class GetanController(object):
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25
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26 def __init__(self, backend, pv_class, ev_class):
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27 self.ev_class = ev_class
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28 self.pv_class = pv_class
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29
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30 self.config = Config()
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31
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32 self.backend = backend
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33 projects, entries = self.load_projects()
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34 self.projects = projects
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35 self.running = []
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36
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37 self.project_view = pv_class(self, self.projects)
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38 self.entries_view = ev_class(entries)
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39
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40 self.view = GetanView(self, self.project_view, self.entries_view)
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41 self.state = PausedProjectsState(self, self.project_view)
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42
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43 def main(self):
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44 self.loop = urwid.MainLoop(self.view.get_frame(),
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45 self.view.get_palette(),
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46 screen=urwid.raw_display.Screen(),
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47 input_filter=self.input_filter)
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48 self.loop.run()
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49
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50 def input_filter(self, input, raw_input):
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51 if 'window resize' in input:
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52 self.view.loop.screen_size = None
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53 self.view.loop.draw_screen()
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54 else:
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55 input = self.state.input_filter(input, raw_input)
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56 self.loop.process_input(input)
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57 self.state.handle_input(input)
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58
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59 def load_projects(self):
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60 projects = self.backend.load_projects()
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61 if projects:
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62 entries = self.backend.load_entries(projects[0].id)
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63 else:
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64 entries = []
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65 return (projects, entries)
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66
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67 def update_entries(self, project):
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68 logger.debug("GetanController: update entries.")
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69 if project:
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70 entries = self.backend.load_entries(project.id)
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71 else:
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72 entries = []
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73 self.entries_view.set_rows(entries)
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74 self.view.update_view()
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75
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76 def move_selected_entries(self, project):
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77 old_project = None
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78 entries = []
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79 try:
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80 while self.entries_view.selection:
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81 node = self.entries_view.selection.pop()
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82 if node.selected:
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83 node.select()
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84 entries.append(node.item)
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85 logger.info("GetanController: move entry '%s' (id = %d, "\
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86 "project id = %d) to project '%s'"
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87 % (node.item.desc, node.item.id,
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88 node.item.project_id, project.desc))
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89
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90 if not old_project:
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91 old_project = self.project_by_id(node.item.project_id)
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92 finally:
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93 self.backend.move_entries(entries, project.id)
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94 if not old_project:
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95 return
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96 project.entries = self.backend.load_entries(project.id)
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97 old_project.entries = self.backend.load_entries(old_project.id)
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98 self.update_entries(old_project)
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99 self.project_view.update_all()
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100
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101 def delete_entries(self, entry_nodes):
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102 if not entry_nodes:
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103 return
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104 proj = self.project_by_id(entry_nodes[0].project_id)
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105 entries = entry_nodes
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106 self.backend.delete_entries(entries)
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107 proj.entries = self.backend.load_entries(proj.id)
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108 self.update_entries(proj)
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109 self.project_view.update()
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110
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111 def update_project_list(self):
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112 self.project_view.update()
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113 self.view.update_view()
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114
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115 def project_by_key(self, key):
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116 for proj in self.projects:
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117 if proj.key == key:
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118 return proj
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119 return None
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120
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121 def project_by_id(self, id):
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122 for proj in self.projects:
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123 if proj.id == id:
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124 return proj
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125 return None
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126
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127 def find_projects_by_key(self, key):
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128 projects = []
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129 for proj in self.projects:
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130 if proj.key.startswith(key):
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131 projects.append(proj)
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132 return projects
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133
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134 def start_project(self, project):
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135 if not project:
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136 return
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137 self.running.append(project)
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138 project.start = datetime.now()
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139 logger.info("Start project '%s' at %s."
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140 % (project.desc, format_time(datetime.now())))
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141 self.view.set_footer_text(" Running on '%s'" % project.desc, 'running')
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142 logger.debug('All running projects: %r' % self.running)
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143
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144 def stop_project(self, desc='-no description-', display=True):
135
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145 if not self.running:
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146 return
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147 project = self.running.pop()
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148 if not project:
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149 return
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150 logger.info("Stop project '%s' at %s."
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151 % (project.desc, format_time(datetime.now())))
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152 project.stop = datetime.now()
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153 self.backend.insert_project_entry(project, datetime.now(), desc)
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154 if display:
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155 self.update_entries(project)
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156 self.update_project_list()
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157 logger.debug('Still running projects: %r' % self.running)
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158
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159 def add_project(self, key, description):
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160 if not key or not description:
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161 return
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162 self.backend.insert_project(key, description)
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163 self.update_projects()
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164 self.update_project_list()
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165
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166 def update_entry(self, entry):
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167 self.backend.update_entry(entry)
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168
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169 def shutdown(self):
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170 for project in self.running:
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171 self.stop_project(display=False)
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172
175
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173 def update_project(self, project):
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174 self.backend.update_project(project)
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175 self.update_projects()
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176 self.update_project_list()
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177
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178 def update_projects(self):
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179 projects, entries = self.load_projects()
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180 self.projects = projects
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181 self.project_view.load_rows(projects)
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182
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183 def get_config(self):
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184 return self.config
194
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185
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186 def exit(self):
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187 logger.info("GetanController: exit.")
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188 raise urwid.ExitMainLoop()
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