Mercurial > libervia-web

annotate libervia/server/tasks/implicit/task_js_modules.py @ 1321:eb85ef26cb4a

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server: use `bulma` theme as default for default site: `default` theme is not used for now as real default, because dev work is focusing on bulma theme, and the default one may be broken. This should (or may not) change in the future.
author Goffi <goffi@goffi.org>
date Sat, 01 Aug 2020 16:56:04 +0200
parents 10748aa888a9
children 2f6dac783c8e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/ur/bin/env python3
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2
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3 import json
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4 from pathlib import Path
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5 from sat.core.i18n import _
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6 from sat.core.log import getLogger
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7 from sat.core import exceptions
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8 from libervia.server.constants import Const as C
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9 from libervia.server.tasks import task
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10
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11
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12 log = getLogger(__name__)
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13
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14
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15 class Task(task.Task):
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16
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17 async def prepare(self):
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18 if "js" not in self.resource.browser_modules:
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19 raise exceptions.CancelError(f"No JS module needed")
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20
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21 async def start(self):
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22 js_data = self.resource.browser_modules['js']
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23 package = js_data.get('package', {})
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24 package_path = self.build_path / 'package.json'
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25 with package_path.open('w') as f:
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26 json.dump(package, f)
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27
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10748aa888a9 tasks (js_modules, sass): check for `yarnpkg` before `yarn`, as it is the name used in Debian
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28 cmd = self.findCommand('yarnpkg', 'yarn', 'npm')
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29 await self.runCommand(cmd, 'install', path=str(self.build_path))
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30
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31 try:
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32 brython_map = js_data['brython_map']
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33 except KeyError:
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34 pass
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35 else:
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36 log.info(_("creating JS modules mapping for Brython"))
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37 js_modules_path = self.build_path / 'js_modules'
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38 js_modules_path.mkdir(exist_ok=True)
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39 init_path = js_modules_path / '__init__.py'
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40 init_path.touch()
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41
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42 for module_name, module_data in brython_map.items():
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43 log.debug(f"generating mapping for {module_name}")
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44 if ' ' in module_name:
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45 raise ValueError(
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46 f"module {module_name!r} has space(s), it must not!")
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47 module_path = js_modules_path / f"{module_name}.py"
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48 if isinstance(module_data, str):
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49 module_data = {'path': module_data}
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50 try:
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51 js_path = module_data.pop('path')
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52 except KeyError:
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53 raise ValueError(
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54 f'module data for {module_name} must have a "path" key')
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55 module_data['path'] = Path('node_modules') / js_path.strip(' /')
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56 export = module_data.get('export') or [module_name]
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57 export_objects = '\n'.join(f'{e} = window.{e}' for e in export)
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58 extra_kwargs = {"build_dir": C.BUILD_DIR}
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59
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60 with module_path.open('w') as f:
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61 f.write(f"""\
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62 #!/usr/bin/env python3
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63 from browser import window, load
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64 {module_data.get('extra_import', '')}
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65
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66 load("{Path('/').joinpath(C.BUILD_DIR, module_data['path'])}")
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67 {export_objects}
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68 {module_data.get('extra_init', '').format(**extra_kwargs)}
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69 """)