Mercurial > libervia-web
annotate libervia/server/tasks/task.py @ 1347:48e2a8b07c0b
browser: async version of bridge
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 05 Sep 2020 21:59:11 +0200 |
| parents | a46d0e0f383b |
| children | 822bd0139769 |
| rev | line source |
|---|---|
| 1239 | 1 #!/usr/bin/env python3 |
| 2 | |
| 1146 | 3 # Libervia: a Salut à Toi frontend |
| 1237 | 4 # Copyright (C) 2011-2020 Jérôme Poisson <goffi@goffi.org> |
| 1146 | 5 |
| 6 # This program is free software: you can redistribute it and/or modify | |
| 7 # it under the terms of the GNU Affero General Public License as published by | |
| 8 # the Free Software Foundation, either version 3 of the License, or | |
| 9 # (at your option) any later version. | |
| 10 | |
| 11 # This program is distributed in the hope that it will be useful, | |
| 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 # GNU Affero General Public License for more details. | |
| 15 | |
| 16 # You should have received a copy of the GNU Affero General Public License | |
| 17 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 from twisted.python.procutils import which | |
| 1245 | 19 from sat.core.log import getLogger |
| 20 from sat.tools.common import async_process | |
| 1146 | 21 from sat.core import exceptions |
| 22 from sat.core.i18n import _ | |
| 1245 | 23 from typing import Optional |
| 1146 | 24 |
| 25 log = getLogger(__name__) | |
| 26 | |
| 27 | |
| 1245 | 28 class Task: |
| 1146 | 29 """Handle tasks of a Libervia site""" |
| 1245 | 30 # can be "stop" or "continue" |
| 31 ON_ERROR: str = "stop" | |
| 32 LOG_OUTPUT: bool = True | |
| 33 # list of directories to check for restarting this task | |
| 1260 | 34 # Task.onDirEvent will be called if it exists, otherwise |
| 35 # the task will be run and Task.start will be called | |
| 1245 | 36 WATCH_DIRS: Optional[list] = None |
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tasks: `AFTER` attribute to handle tasks order:
Goffi <goffi@goffi.org>
parents:
1260
diff
changeset
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37 # list of task names which must be prepared/started before this one |
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a46d0e0f383b
tasks: `AFTER` attribute to handle tasks order:
Goffi <goffi@goffi.org>
parents:
1260
diff
changeset
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38 AFTER: Optional[list] = None |
| 1146 | 39 |
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tasks: `AFTER` attribute to handle tasks order:
Goffi <goffi@goffi.org>
parents:
1260
diff
changeset
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40 def __init__(self, manager, task_name): |
| 1245 | 41 self.manager = manager |
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
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42 self.name = task_name |
| 1245 | 43 |
| 44 @property | |
| 45 def host(self): | |
| 46 return self.manager.host | |
| 47 | |
| 48 @property | |
| 49 def resource(self): | |
| 50 return self.manager.resource | |
| 1146 | 51 |
| 52 @property | |
| 53 def site_path(self): | |
| 1245 | 54 return self.manager.site_path |
| 1146 | 55 |
| 56 @property | |
| 57 def build_path(self): | |
| 58 """path where generated files will be build for this site""" | |
| 1245 | 59 return self.manager.build_path |
| 1146 | 60 |
| 61 def getConfig(self, key, default=None, value_type=None): | |
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02afab1b15c5
server, pages, tasks: moved getConfig to backend, and added shorcut version in LiberviaPage and TasksManager
Goffi <goffi@goffi.org>
parents:
1146
diff
changeset
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62 return self.host.getConfig(self.resource, key=key, default=default, |
|
02afab1b15c5
server, pages, tasks: moved getConfig to backend, and added shorcut version in LiberviaPage and TasksManager
Goffi <goffi@goffi.org>
parents:
1146
diff
changeset
|
63 value_type=value_type) |
| 1146 | 64 |
| 65 @property | |
| 66 def site_name(self): | |
| 67 return self.resource.site_name | |
| 68 | |
| 69 def findCommand(self, name, *args): | |
| 70 """Find full path of a shell command | |
| 71 | |
| 72 @param name(unicode): name of the command to find | |
| 73 @param *args(unicode): extra names the command may have | |
| 74 @return (unicode): full path of the command | |
| 75 @raise exceptions.NotFound: can't find this command | |
| 76 """ | |
| 77 names = (name,) + args | |
| 78 for n in names: | |
| 79 try: | |
| 1216 | 80 cmd_path = which(n)[0] |
| 1146 | 81 except IndexError: |
| 82 pass | |
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server (tasks): fixed findCommand when first name can't be found
Goffi <goffi@goffi.org>
parents:
1166
diff
changeset
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83 else: |
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170802865156
server (tasks): fixed findCommand when first name can't be found
Goffi <goffi@goffi.org>
parents:
1166
diff
changeset
|
84 return cmd_path |
| 1146 | 85 raise exceptions.NotFound(_( |
| 1216 | 86 "Can't find {name} command, did you install it?").format(name=name)) |
| 1146 | 87 |
| 88 def runCommand(self, command, *args, **kwargs): | |
| 1245 | 89 kwargs['verbose'] = self.LOG_OUTPUT |
| 1146 | 90 return async_process.CommandProtocol.run(command, *args, **kwargs) |