annotate getan.py @ 90:04dbf4c9f297

Handle KeyboardInterrupt and shutdown getan carefully afterwards
author Björn Ricks <bjoern.ricks@intevation.de>
date Mon, 30 May 2011 18:13:34 +0200
parents f0e4637ad4e4
children 99639833968d
rev   line source
23
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3 #
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4 # (c) 2010 by Ingo Weinzierl <ingo.weinzierl@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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12 import logging
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13 import sys
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14 from datetime import datetime
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15 from optparse import OptionParser
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17 import getan.config as config
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18 from getan.backend import *
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19 from getan.view import *
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20 from getan.utils import format_time
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22 logger = logging.getLogger()
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24 class GetanController:
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25 def __init__(self, backend, pv_class, ev_class):
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26 self.ev_class = ev_class
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27 self.pv_class = pv_class
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29 self.projects = backend.load_projects()
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30 if self.projects:
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31 entries = backend.load_entries(self.projects[0].id)
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32 else:
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33 entries = []
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34 self.running = []
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36 self.backend = backend
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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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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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43 def main(self):
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44 self.view.run()
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46 def unhandled_keypress(self, key):
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47 self.state = self.state.keypress(key)
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49 def input_filter(self, input, raw_input):
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50 if 'window resize' in input:
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51 self.view.loop.screen_size = None
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52 self.view.loop.draw_screen()
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53 else:
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54 self.state = self.state.keypress(input)
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56 def update_entries(self, project):
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57 logger.debug("GetanController: update entries.")
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58 if project: entries = self.backend.load_entries(project.id)
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59 else: entries = []
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60 self.entries_view.set_rows(entries)
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61 self.view.update_view()
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63 def move_selected_entries(self, project):
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64 old_project = None
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65 entries = []
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66 try:
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67 while self.entries_view.selection:
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68 node = self.entries_view.selection.pop()
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69 if node.selected: node.select()
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70 entries.append(node.item)
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71 logger.info("GetanController: move entry '%s' (id = %d, "\
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72 "project id = %d) to project '%s'"
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73 % (node.item.desc, node.item.id,
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74 node.item.project_id, project.desc))
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75
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76 if not old_project:
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77 old_project = self.project_by_id(node.item.project_id)
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78 finally:
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79 self.backend.move_entries(entries, project.id)
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80 if not old_project: return
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81 project.entries = self.backend.load_entries(project.id)
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82 old_project.entries = self.backend.load_entries(old_project.id)
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83 self.update_entries(old_project)
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84 self.project_view.update_all()
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86 def delete_entries(self, entry_nodes):
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87 if not entry_nodes: return
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88 proj = None
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89 entries = []
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90 try:
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91 while self.entries_view.selection:
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92 node = self.entries_view.selection.pop()
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93 if node.selected: node.select()
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94 entries.append(node.item)
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95 logger.info("GetanController: delete entry '%s' (id = %d, "\
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96 "project id = %d)"
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97 % (node.item.desc, node.item.id,
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98 node.item.project_id))
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99
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100 if proj is None:
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101 proj = self.project_by_id(node.item.project_id)
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102 finally:
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103 self.backend.delete_entries(entries)
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104 proj.entries = self.backend.load_entries(proj.id)
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105 self.update_entries(proj)
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106 self.project_view.update()
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107
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108 def update_project_list(self):
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109 self.project_view.update()
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110 self.view.update_view()
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111
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112 def exit(self):
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113 self.view.exit()
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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 start_project(self, project):
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128 if not project: return
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129 self.running.append(project)
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130 project.start = datetime.now()
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131 logger.info("Start project '%s' at %s."
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132 % (project.desc, format_time(datetime.now())))
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133 self.view.set_footer_text(" Running on '%s'" % project.desc, 'running')
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134 logger.debug('All running projects: %r' % self.running)
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135
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136 def stop_project(self, desc='-no description-', display=True):
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137 if not self.running: return
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138 project = self.running.pop()
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139 if not project: return
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140 logger.info("Stop project '%s' at %s."
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141 % (project.desc, format_time(datetime.now())))
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142 project.stop = datetime.now()
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143 self.backend.insert_project_entry(project, datetime.now(), desc)
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144 if display:
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145 self.update_entries(project)
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146 self.update_project_list()
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147 logger.debug('Still running projects: %r' % self.running)
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148
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149 def add_project(self, key, description):
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150 if not key or not description:
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151 return
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152 self.backend.insert_project(key, description)
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153 self.update_project_list()
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154
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155 def update_entry(self, entry):
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156 self.backend.update_entry(entry)
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157
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158 def shutdown(self):
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159 for project in self.running:
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160 self.stop_project(display=False)
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161
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162
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163 def main():
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164
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165 usage = "usage: %prog [options] [databasefile (default: " + \
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166 DEFAULT_DATABASE + ")]"
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167 parser = OptionParser(usage=usage)
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168 parser.add_option("-d", "--debug", action="store_true", dest="debug",
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169 help="Set verbosity to debug")
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170 parser.add_option("-l", "--logfile", dest="logfile", metavar="FILE",
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171 help="Write log information to FILE [default: %default]",
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172 default="getan.log")
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173 (options, args) = parser.parse_args()
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174 logargs = dict()
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175 if options.debug:
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176 logargs["level"] = logging.DEBUG
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177 if options.logfile:
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178 logargs["filename"] = options.logfile
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179 config.initialize(**logargs)
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180 global logger
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181
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182 if len(args) > 0:
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183 backend = Backend(args[0])
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184 logging.info("Use database '%s'." % args[0])
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185 else:
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186 backend = Backend()
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187 logging.info("Use database '%s'." % DEFAULT_DATABASE)
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188
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189 controller = GetanController(backend, ProjectList, EntryList)
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190
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191 try:
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192 controller.main()
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193 except KeyboardInterrupt:
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194 pass
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195 finally:
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196 controller.shutdown()
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197
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198
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199 if __name__ == '__main__':
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200 main()
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