Mercurial > libervia-backend
annotate sat/bridge/bridge_constructor/constructors/embedded/constructor.py @ 3078:95c94d94872d
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author | Goffi <goffi@goffi.org> |
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date | Mon, 18 Nov 2019 22:34:13 +0100 |
parents | ab2696e34d29 |
children | 9d0df638c8b4 |
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3028 | 1 #!/usr/bin/env python3 |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SàT: a XMPP client |
2771 | 5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org) |
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6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
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11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
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16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
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20 from sat.bridge.bridge_constructor import base_constructor |
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21 |
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22 # from textwraps import dedent |
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23 |
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24 |
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25 class EmbeddedConstructor(base_constructor.Constructor): |
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26 NAME = "embedded" |
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27 CORE_TEMPLATE = "embedded_template.py" |
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28 CORE_DEST = "embedded.py" |
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29 CORE_FORMATS = { |
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30 "methods": """\ |
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31 def {name}(self, {args}{args_comma}callback=None, errback=None): |
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32 {ret_routine} |
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33 """, |
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34 "signals": """\ |
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35 def {name}(self, {args}): |
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36 try: |
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37 cb = self._signals_cbs["{category}"]["{name}"] |
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38 except KeyError: |
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39 log.warning(u"ignoring signal {name}: no callback registered") |
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40 else: |
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41 cb({args_result}) |
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42 """, |
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43 } |
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44 FRONTEND_TEMPLATE = "embedded_frontend_template.py" |
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45 FRONTEND_DEST = CORE_DEST |
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46 FRONTEND_FORMATS = {} |
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47 |
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48 def core_completion_method(self, completion, function, default, arg_doc, async_): |
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49 completion.update( |
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50 { |
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51 "debug": "" |
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52 if not self.args.debug |
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53 else 'log.debug ("%s")\n%s' % (completion["name"], 8 * " "), |
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54 "args_result": self.getArguments(function["sig_in"], name=arg_doc), |
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55 "args_comma": ", " if function["sig_in"] else "", |
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56 } |
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57 ) |
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58 |
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59 if async_: |
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60 completion["cb_or_lambda"] = ( |
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61 "callback" if function["sig_out"] else "lambda __: callback()" |
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62 ) |
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63 completion[ |
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64 "ret_routine" |
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65 ] = """\ |
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66 d = self._methods_cbs["{name}"]({args_result}) |
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67 if callback is not None: |
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68 d.addCallback({cb_or_lambda}) |
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69 if errback is None: |
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70 d.addErrback(lambda failure_: log.error(failure_)) |
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71 else: |
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72 d.addErrback(errback) |
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73 return d |
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74 """.format( |
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75 **completion |
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76 ) |
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77 else: |
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78 completion["ret_or_nothing"] = "ret" if function["sig_out"] else "" |
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79 completion[ |
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80 "ret_routine" |
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81 ] = """\ |
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82 try: |
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83 ret = self._methods_cbs["{name}"]({args_result}) |
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84 except Exception as e: |
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85 if errback is not None: |
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86 errback(e) |
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87 else: |
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88 raise e |
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89 else: |
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90 if callback is None: |
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91 return ret |
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92 else: |
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93 callback({ret_or_nothing})""".format( |
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94 **completion |
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95 ) |
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96 |
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97 def core_completion_signal(self, completion, function, default, arg_doc, async_): |
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98 completion.update( |
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99 {"args_result": self.getArguments(function["sig_in"], name=arg_doc)} |
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100 ) |