Mercurial > libervia-backend
annotate libervia/cli/call_simple.py @ 4295:7d98d894933c
frontends (tools/aio): Fix excessive use of CPU:
Use a short delay instead of `loop.call_soonloop.call_soon` when work as been done, as
this was resulting in an excessive use of CPU.
author | Goffi <goffi@goffi.org> |
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date | Fri, 06 Sep 2024 17:38:31 +0200 |
parents | 0d7bb4df2343 |
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1 #!/usr/bin/env python3 |
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2 |
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3 # Libervia CLI |
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4 # Copyright (C) 2009-2024 Jérôme Poisson (goffi@goffi.org) |
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5 |
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6 # This program is free software: you can redistribute it and/or modify |
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7 # it under the terms of the GNU Affero General Public License as published by |
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8 # the Free Software Foundation, either version 3 of the License, or |
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9 # (at your option) any later version. |
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10 |
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11 # This program is distributed in the hope that it will be useful, |
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 # GNU Affero General Public License for more details. |
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15 |
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16 # You should have received a copy of the GNU Affero General Public License |
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 import asyncio |
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20 from functools import partial |
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21 import os |
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22 |
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23 from prompt_toolkit.input import create_input |
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24 from prompt_toolkit.keys import Keys |
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25 from rich.align import Align |
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26 from rich.columns import Columns |
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27 from rich.console import group |
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28 from rich.live import Live |
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29 from rich.panel import Panel |
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30 from rich.text import Text |
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31 |
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32 from libervia.frontends.tools import aio |
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33 from libervia.frontends.tools.webrtc import CallData, WebRTCCall |
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34 |
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35 |
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36 aio.install_glib_asyncio_iteration() |
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37 |
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38 |
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39 class BaseAVTUI: |
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40 def __init__(self, host, webrtc=None, align: str = "left"): |
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41 self.host = host |
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42 self.webrtc = webrtc |
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43 self.align = align |
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44 self.input = create_input() |
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45 self.done = asyncio.Event() |
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46 self.target_size: tuple[int, int] | None = None |
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47 |
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48 @staticmethod |
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49 def parse_output_opts(parent) -> dict: |
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50 """Parse output options. |
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51 |
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52 This method should be called in a loop checking all output options. |
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53 It will set the relevant attributes. |
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54 @return: keyword argument to use to instanciate WebRTCCall |
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55 """ |
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56 kwargs = {} |
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57 for oo in parent.args.output_opts: |
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58 if oo.startswith("size="): |
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59 try: |
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60 width_s, height_s = oo[5:].lower().strip().split("x", 1) |
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61 width, height = int(width_s), int(height_s) |
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62 except ValueError: |
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63 parent.parser.error( |
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64 "Invalid size; it must be in the form widthxheight " |
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65 "(e.g., 640x360)." |
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66 ) |
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67 else: |
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68 kwargs["target_size"] = (width, height) |
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69 return kwargs |
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70 |
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71 def styled_shortcut_key(self, word: str, key: str | None = None) -> Text: |
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72 """Return a word with the specified key or the first letter underlined.""" |
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73 if key is None: |
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74 key = word[0] |
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75 index = word.find(key) |
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76 before, keyword, after = word[:index], word[index], word[index + 1 :] |
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77 return Text(before) + Text(keyword, style="shortcut") + Text(after) |
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78 |
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79 def get_micro_display(self): |
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80 assert self.webrtc is not None |
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81 if self.webrtc.audio_muted: |
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82 return Panel(Text("🔇 ") + self.styled_shortcut_key("Muted"), expand=False) |
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83 else: |
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84 return Panel( |
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85 Text("🎤 ") + self.styled_shortcut_key("Unmuted", "m"), expand=False |
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86 ) |
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87 |
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88 def get_video_display(self): |
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89 assert self.webrtc is not None |
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90 if self.webrtc.video_muted: |
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91 return Panel( |
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92 Text("❌ ") + self.styled_shortcut_key("Video Off"), expand=False |
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93 ) |
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94 else: |
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95 return Panel(Text("🎥 ") + self.styled_shortcut_key("Video On"), expand=False) |
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96 |
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97 def get_phone_display(self): |
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98 return Panel(Text("📞 ") + self.styled_shortcut_key("Hang up"), expand=False) |
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99 |
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100 @group() |
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101 def generate_control_bar(self): |
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102 """Return the full interface display.""" |
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103 assert self.webrtc is not None |
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104 yield Align( |
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105 Columns( |
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106 [ |
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107 Text(), |
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108 self.get_micro_display(), |
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109 self.get_video_display(), |
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110 self.get_phone_display(), |
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111 ], |
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112 expand=False, |
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113 title="Calling [bold center]{}[/]".format(self.webrtc.callee), |
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114 ), |
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115 align=self.align, |
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116 ) |
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117 |
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118 def keys_ready(self, live=None): |
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119 assert self.webrtc is not None |
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120 for key_press in self.input.read_keys(): |
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121 char = key_press.key.lower() |
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122 if char == "m": |
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123 # audio mute |
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124 self.webrtc.audio_muted = not self.webrtc.audio_muted |
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125 if live is not None: |
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126 live.update(self.generate_control_bar(), refresh=True) |
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127 elif char == "v": |
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128 # video mute |
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129 self.webrtc.video_muted = not self.webrtc.video_muted |
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130 if live is not None: |
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131 live.update(self.generate_control_bar(), refresh=True) |
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132 elif char == "h" or key_press.key == Keys.ControlC: |
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133 # Hang up |
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134 self.done.set() |
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135 elif char == "d": |
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136 # generate dot file for debugging. Only available if |
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137 # ``GST_DEBUG_DUMP_DOT_DIR`` is set. Filename is "pipeline.dot" with a |
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138 # timestamp. |
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139 if os.getenv("GST_DEBUG_DUMP_DOT_DIR"): |
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140 self.webrtc.generate_dot_file() |
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141 self.host.disp("Dot file generated.") |
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142 |
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143 |
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144 class AVCallUI(BaseAVTUI): |
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145 def __init__(self, host, webrtc): |
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146 super().__init__(host, webrtc) |
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147 |
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148 async def start(self): |
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149 assert self.webrtc is not None |
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150 with Live( |
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151 self.generate_control_bar(), console=self.host.console, auto_refresh=False |
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152 ) as live: |
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153 with self.input.raw_mode(): |
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154 with self.input.attach(partial(self.keys_ready, live)): |
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155 await self.done.wait() |
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156 |
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157 await self.webrtc.end_call() |
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158 await self.host.a_quit() |
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159 |
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160 @classmethod |
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161 async def run(cls, parent, call_data: CallData) -> None: |
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162 kwargs = cls.parse_output_opts(parent) |
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163 merge_pip = False if "split" in parent.args.output_opts else None |
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164 |
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165 webrtc_call = await WebRTCCall.make_webrtc_call( |
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166 parent.host.bridge, |
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167 parent.profile, |
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168 call_data, |
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169 merge_pip=merge_pip, |
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170 # we want to be sure that call is ended if user presses `Ctrl + c` or anything |
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171 # else stops the session. |
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172 on_call_setup_cb=lambda sid, profile: parent.host.add_on_quit_callback( |
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173 parent.host.bridge.call_end, sid, "", profile |
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174 ), |
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175 on_call_ended_cb=lambda sid, profile: parent.host.a_quit(), |
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176 **kwargs, |
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177 ) |
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178 if not parent.args.no_ui: |
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179 ui = cls(parent.host, webrtc_call.webrtc) |
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180 await ui.start() |