221 lines
8.2 KiB
Python
221 lines
8.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2018 Andy Stewart
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#
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# Author: Andy Stewart <lazycat.manatee@gmail.com>
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from PyQt5.QtCore import QUrl, QTimer, QPointF, Qt
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from PyQt5.QtGui import QColor
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from PyQt5.QtWidgets import QApplication
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from core.browser import BrowserBuffer
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from core.utils import PostGui, get_free_port, interactive
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import os
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import subprocess
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import signal
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import threading
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import getpass
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import json
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from urllib import request
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from http.server import SimpleHTTPRequestHandler
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from socketserver import TCPServer
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class AppBuffer(BrowserBuffer):
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def __init__(self, buffer_id, url, config_dir, arguments, emacs_var_dict, module_path):
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BrowserBuffer.__init__(self, buffer_id, url, config_dir, arguments, emacs_var_dict, module_path, False)
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# Get free port.
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self.port = get_free_port()
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self.http_url = "http://127.0.0.1:{0}".format(get_free_port())
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self.url = url
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arguments_dict = json.loads(arguments)
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self.command = arguments_dict["command"]
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self.start_directory = arguments_dict["directory"]
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self.current_directory = self.start_directory
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self.executing_command = ""
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self.index_file = "{0}/index.html".format(self.http_url)
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self.server_js = os.path.join(os.path.dirname(__file__), "server.js")
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self.buffer_widget.titleChanged.connect(self.change_title)
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http_thread = threading.Thread(target=self.run_http_server, args=())
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http_thread.start()
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self.search_term = ""
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# Start server process.
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args = ["node", self.server_js, str(self.port), self.start_directory, self.command]
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self.background_process = subprocess.Popen(
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args,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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shell=False)
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self.open_terminal_page()
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QTimer.singleShot(250, self.focus_widget)
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self.build_all_methods(self)
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self.timer=QTimer()
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self.timer.start(250)
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self.timer.timeout.connect(self.checking_status)
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def run_http_server(self):
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class Handler(SimpleHTTPRequestHandler):
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def __init__(self, *args, **kwargs):
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# directory=os.path.dirname(__file__), This argument add in python3.7 after
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super().__init__(*args, **kwargs)
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def translate_path(self, path):
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# On python3.7 before version, http server don't support setting directory
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# default use the project path.
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path = super().translate_path(path)
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return os.path.dirname(__file__) + path[len(os.getcwd()):]
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with TCPServer(("127.0.0.1", int(self.http_url.split(":")[-1])), Handler) as h:
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h.serve_forever()
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@PostGui()
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def open_terminal_page(self):
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theme = "light"
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if self.emacs_var_dict["eaf-terminal-dark-mode"] == "true" or \
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(self.emacs_var_dict["eaf-terminal-dark-mode"] == "follow" and self.emacs_var_dict["eaf-emacs-theme-mode"] == "dark"):
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theme = "dark"
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with request.urlopen(self.index_file) as f:
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html = f.read().decode("utf-8").replace("%1", str(self.port)).replace("%2", self.http_url).replace("%3", theme).replace("%4", self.emacs_var_dict["eaf-terminal-font-size"]).replace("%5", self.current_directory).replace("%6", self.emacs_var_dict["eaf-terminal-font-family"])
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self.buffer_widget.setHtml(html)
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def checking_status(self):
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changed_directory = str(self.buffer_widget.execute_js("title"))
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changed_executing_command = str(self.buffer_widget.execute_js("executing_command"))
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if len(changed_executing_command) > 30:
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changed_executing_command = changed_executing_command[:30]
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if changed_executing_command != self.executing_command and changed_executing_command != "":
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self.change_title(changed_executing_command)
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self.executing_command = changed_executing_command
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elif changed_executing_command == "" and self.executing_command != "" or not changed_directory == self.current_directory:
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self.change_title(changed_directory)
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if not changed_directory == self.current_directory:
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self.eval_in_emacs.emit('eaf--change-default-directory', [changed_directory])
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self.current_directory = changed_directory
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if self.executing_command != "":
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self.executing_command = ""
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if subprocess.Popen.poll(self.background_process) is not None:
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self.destroy_buffer()
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def destroy_buffer(self):
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self.close_buffer()
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self.timer.stop()
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@interactive
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def copy_text(self):
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text = self.buffer_widget.execute_js("get_selection();")
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if text == "":
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self.message_to_emacs.emit("Nothing selected")
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else:
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self.set_clipboard_text(text)
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self.message_to_emacs.emit("Copy text")
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@interactive
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def yank_text(self):
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text = self.get_clipboard_text()
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self.buffer_widget.eval_js("paste(`{}`);".format(text))
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@interactive
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def scroll_other_buffer(self, scroll_direction, scroll_type):
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if scroll_type == "page":
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if scroll_direction == "up":
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self.scroll_up_page()
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else:
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self.scroll_down_page()
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else:
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if scroll_direction == "up":
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self.scroll_up()
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else:
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self.scroll_down()
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@interactive
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def scroll_up(self):
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self.buffer_widget.eval_js("scroll_line(1);")
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@interactive
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def scroll_down(self):
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self.buffer_widget.eval_js("scroll_line(-1);")
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@interactive
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def scroll_up_page(self):
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self.buffer_widget.eval_js("scroll_page(1);")
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@interactive
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def scroll_down_page(self):
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self.buffer_widget.eval_js("scroll_page(-1);")
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@interactive
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def scroll_to_begin(self):
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self.buffer_widget.eval_js("scroll_to_begin();")
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@interactive
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def scroll_to_bottom(self):
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self.buffer_widget.eval_js("scroll_to_bottom();")
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def select_all(self):
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self.buffer_widget.eval_js("select_all();")
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def clear_selection(self):
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self.buffer_widget.eval_js("clear_selection();")
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def clear(self):
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self.buffer_widget.eval_js("clear();")
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def _search_text(self, text, is_backward = False):
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if self.search_term != text:
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self.search_term = text
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if is_backward:
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# self.web_page.findText(self.search_term, self.web_page.FindBackward)
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self.buffer_widget.eval_js("find_next('{}')".format(text))
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else:
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# self.web_page.findText(self.search_term)
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self.buffer_widget.eval_js("find_prev('{}')".format(text))
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@interactive
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def search_text_forward(self):
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if self.search_term == "":
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self.send_input_message("Forward Search Text: ", "search_text_forward")
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else:
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self._search_text(self.search_term)
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@interactive
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def search_text_backward(self):
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if self.search_term == "":
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self.send_input_message("Backward Search Text: ", "search_text_backward")
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else:
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self._search_text(self.search_term, True)
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@interactive
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def action_quit(self):
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if self.search_term != "":
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self._search_text("")
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def handle_input_response(self, callback_tag, result_content):
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if callback_tag == "search_text_forward":
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self._search_text(str(result_content))
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elif callback_tag == "search_text_backward":
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self._search_text(str(result_content), True)
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