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Merge PDF

SNIPPET_TEXT:

1. #!/usr/bin/python
2. # -*- coding: utf-8 -*-
3. #########################################################################
4. # File Name: test2.py
5. # Author: debian
6. # mail: debian@debian-virtualbox
7. # Created Time: 2024-05-03 08:19:06
8. #########################################################################
9.  
10.  
11. import gi
12. gi.require_version("Gtk", "3.0")
13. from gi.repository import Gtk, Gdk
14. import os
15. import sys
16. import subprocess
17.  
18. class PDFMergeWindow(Gtk.Window):
19.     def __init__(self):
20.         Gtk.Window.__init__(self, title="PDF Merge")
21.         self.set_border_width(10)
22.         self.set_default_size(300, 200)
23.  
24.         # Layout Grid
25.        grid = Gtk.Grid()
26.         grid.set_column_spacing(10)
27.         grid.set_row_spacing(10)
28.         self.add(grid)
29.  
30.         # Listbox for file paths
31.        self.listbox = Gtk.ListBox()
32.         self.listbox.set_selection_mode(Gtk.SelectionMode.NONE)
33.         scroll = Gtk.ScrolledWindow()
34.         scroll.set_vexpand(True)
35.         scroll.add(self.listbox)
36.         grid.attach(scroll, 0, 0, 3, 1)
37.  
38.         # Buttons
39.        button_add = Gtk.Button(label="Add PDFs")
40.         button_add.connect("clicked", self.on_add_files_clicked)
41.         grid.attach(button_add, 0, 1, 1, 1)
42.  
43.         button_merge = Gtk.Button(label="Merge PDFs")
44.         button_merge.connect("clicked", self.on_merge_files_clicked)
45.         grid.attach(button_merge, 1, 1, 1, 1)
46.  
47.         button_exit = Gtk.Button(label="Exit")
48.         button_exit.connect("clicked", lambda x: Gtk.main_quit())
49.         grid.attach(button_exit, 2, 1, 1, 1)
50.  
51.         # Initialize with command line PDF files if provided
52.        if len(sys.argv) > 1:
53.             for filename in sys.argv[1:]:
54.                 self.add_file_to_list(filename)
55.  
56.     def on_add_files_clicked(self, widget):
57.         dialog = Gtk.FileChooserDialog(title="Select PDF files", parent=self,
58.                                        action=Gtk.FileChooserAction.OPEN)
59.         dialog.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
60.                            Gtk.STOCK_OPEN, Gtk.ResponseType.OK)
61.         dialog.set_select_multiple(True)
62.         filter_pdf = Gtk.FileFilter()
63.         filter_pdf.set_name("PDF files")
64.         filter_pdf.add_mime_type("application/pdf")
65.         dialog.add_filter(filter_pdf)
66.  
67.         response = dialog.run()
68.         if response == Gtk.ResponseType.OK:
69.             for filename in dialog.get_filenames():
70.                 self.add_file_to_list(filename)
71.         dialog.destroy()
72.  
73.     def add_file_to_list(self, filename):
74.         label = Gtk.Label(label=filename)
75.         label.set_xalign(0)  # Set the label left-aligned
76.        row = Gtk.ListBoxRow()
77.         row.add(label)
78.         self.listbox.add(row)
79.         self.listbox.show_all()
80.  
81.     def on_merge_files_clicked(self, widget):
82.         files = [row.get_child().get_label() for row in self.listbox.get_children()]
83.         if not files:
84.             self.show_dialog("Error", "No files selected to merge.")
85.             return
86.        
87.         dialog = Gtk.FileChooserDialog(title="Save merged PDF as...", parent=self,
88.                                        action=Gtk.FileChooserAction.SAVE)
89.         dialog.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
90.                            Gtk.STOCK_SAVE, Gtk.ResponseType.OK)
91.         dialog.set_current_name("merged_output.pdf")
92.         filter_pdf = Gtk.FileFilter()
93.         filter_pdf.set_name("PDF files")
94.         filter_pdf.add_mime_type("application/pdf")
95.         dialog.add_filter(filter_pdf)
96.  
97.         response = dialog.run()
98.         if response == Gtk.ResponseType.OK:
99.             output_file = dialog.get_filename()
100.             if os.path.exists(output_file):
101.                 overwrite_response = self.show_dialog("Confirm", "File already exists. Overwrite?", dialog_type="yes/no")
102.                 if overwrite_response == Gtk.ResponseType.NO:
103.                     dialog.destroy()
104.                     return
105.             self.merge_pdfs(files, output_file)
106.         dialog.destroy()
107.  
108.     def merge_pdfs(self, files, output_file):
109.         try:
110.             subprocess.run(['pdfunite'] + files + [output_file], check=True)
111.             self.show_dialog("Success", f"PDFs merged successfully into {output_file}")
112.         except subprocess.CalledProcessError as e:
113.             self.show_dialog("Error", "Failed to merge PDFs: " + str(e))
114.  
115.     def show_dialog(self, title, message, dialog_type="ok"):
116.         dialog_type_map = {
117.             "ok": Gtk.ButtonsType.OK,
118.             "yes/no": Gtk.ButtonsType.YES_NO
119.         }
120.         dialog = Gtk.MessageDialog(transient_for=self, flags=0,
121.                                    message_type=Gtk.MessageType.INFO,
122.                                    text=title)
123.         dialog.format_secondary_text(message)
124.         dialog.add_buttons(Gtk.STOCK_OK, Gtk.ResponseType.OK) if dialog_type == "ok" else dialog.add_buttons(Gtk.STOCK_YES, Gtk.ResponseType.YES, Gtk.STOCK_NO, Gtk.ResponseType.NO)
125.         response = dialog.run()
126.         dialog.destroy()
127.         return response
128.  
129. win = PDFMergeWindow()
130. win.connect("destroy", Gtk.main_quit)
131. win.show_all()
132. Gtk.main()

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