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TreeGopher.py
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import queue
import threading
import pituophis
import PySimpleGUI as sg
import pyperclip
import os
# This is a graphical Gopher client in under 250 lines of code, implemented with Pituophis and PySimpleGUI for an interface. Pyperclip is used for the "Copy URL" feature.
# A tree is used for loading in menus, similar to the likes of WSGopher32 and Cyberdog. Backlinks are cut out, and menus are trimmed of blank selectors. Threaded binary downloads are supported as well.
# Based on the Chat interface example here: https://pysimplegui.trinket.io/demo-programs#/demo-programs/chat-instant-message-front-end
icons = {'1': b'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',
'0': b'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',
'7': b'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',
'h': b'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',
'i': b'iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAJUlEQVQ4jWNgGAWjYBQME8D4//9/TkZGxu+kavz//z83AwODEQAPzAc8kOdqJQAAAABJRU5ErkJggg==',
'3': b'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',
'9': b'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',
'I': b'iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABNklEQVQ4jWNQtnE47NvUdYAcrGLjcJzBr7VrX9W56//Jwb5NXQeINiB314HTwgpKV0VVVG/n7z1ykWQD+GVlTzJAgYiS2j2KDBBWVnlAsgF5Ow+fEZJXuiiipHwzb+/RCyQbQFIghkyYsb/46Nm7ZBkQOWv+XgYGBncRJdUZ5ScvPUaWKzxw4lLlmas/cBqQsmbTEQYGhghoWLFJaOstrDh15WXVuev/wyfO3MPAxJRjkZC2qeLM1b8YBuTtPHyGiZ09hwEVcMmbWS6zTEzdzMDAYAwV0/CsbtyGYkDRoZPXuISEGhiwAz4GBgYRNDHL8Glzd/s2dR1gMAmPOSIgIzeJgYGBEYcBuICvpIbOdQYGBoZdDAwMLCRqhoGJDAwMDC1kamZgYGBoYGBgYFjLwMBQQyZeAwCR3MS3bOe39AAAAABJRU5ErkJggg==',
'g': b'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',
'M': b'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', # mail/newsletter type, example here: gopher://rawtext.club/M/~cmccabe/pubnixhist/nixpub/1991-01-11
'cache': b'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'
}
icons['p'] = icons['I'] # pngs
texttypes = ['0', '1', '7', 'h', 'M']
gophertree = sg.TreeData()
sg.theme('DarkTeal1') # Add a touch of color
context_menu = ['', '&Copy URL']
text_menu = ['', ['&Save...', '&Copy File URL']]
gophermenu_layout = sg.Tree(data=gophertree, headings=[], change_submits=True,
auto_size_columns=True, num_rows=26, col0_width=80, max_col_width=200, key='_TREE_', show_expanded=True, enable_events=True, right_click_menu=context_menu, font='Consolas 10', background_color='#fff', text_color='#000')
plaintext_layout = sg.Multiline(key='-OUTPUT-', size=(80, 35), font=('Consolas 10'), background_color='#fff', right_click_menu=text_menu, autoscroll=False, disabled=True, metadata='')
layout = [[gophermenu_layout, plaintext_layout],
[sg.Button('<'), sg.Input(size=(84, 5), key='-QUERY-', do_not_clear=True, default_text="gopher://gopherproject.org/1/", enable_events=True), sg.Button('Go'), sg.Button('Clear Cache'), sg.Checkbox('Use hierarchy', key='-USETREE-', default=True), sg.Text('...', key='-LOADING-', visible=False)],
[sg.StatusBar(text='0 menus in cache.', key='-CACHE-'), sg.Text('', key='-DOWNLOADS-', visible=True, size=(60, 1))]]
window = sg.Window('TreeGopher', layout, font=('Segoe UI', ' 13'), default_button_element_size=(8, 1))
openNodes = []
cache = {}
loadedTextURL = ''
def trim_menu(menu):
try:
while menu[-1].text == '':
del menu[-1]
except:
pass
try:
while menu[0].text == '':
del menu[0]
except:
pass
return menu
def populate(parentNode, request):
global gophertree, openNodes
window.FindElement('-QUERY-').update(request.url())
window.FindElement('-LOADING-').update(visible=True)
if not parentNode in openNodes:
passes = 0
from_cache = False
try:
if request.url() in cache:
from_cache = True
resp = cache[request.url()]
else:
resp = request.get()
cache[request.url()] = resp
passes += 1
except:
sg.popup("We're sorry!", request.url() + ' could not be fetched. Try again later.')
if passes == 1:
try:
menu = trim_menu(resp.menu())
passes += 1
except:
sg.popup("We're sorry!", request.url() + ' could not be parsed as a menu for one reason or another.')
if passes == 2:
if from_cache:
gophertree.insert(parentNode, request.url() + ' <cached>', text='- This is a cached menu, double click to go to the live version -', values=[], icon=icons['cache'])
for item in menu:
if not item.request().url() in openNodes:
sub_url = item.request().url()
if item.path.startswith("URL:"):
sub_url = item.path[4:]
if item.type in icons:
icon = icons[item.type]
else:
icon = icons['9']
if item.type == 'i':
gophertree.insert(parentNode, sub_url,
text=item.text, values=[], icon=icon)
else:
gophertree.insert(parentNode, sub_url, text=item.text, values=[
sub_url], icon=icon)
openNodes.append(parentNode)
window.FindElement('_TREE_').Update(gophertree)
window.FindElement('-LOADING-').update(visible=False)
gui_queue = queue.Queue()
def download_thread(req, dlpath, gui_queue): # This uses Pituophis' Request().stream() function to download a file chunks at a time (instead of all in one shot like with .get())
with open(dlpath, "wb") as dl:
remote_file = req.stream().makefile('rb')
while True:
piece = remote_file.read(1024)
if not piece:
break
dl.write(piece)
gui_queue.put(dlpath) # put a message into queue for GUI
history = []
def dlPopup(url):
return sg.popup_get_file('Where to save this file?', 'Download {}'.format(
url), default_path=url.split('/')[-1], save_as=True)
def go(url):
global gophertree, openNodes, loadedTextURL
window.FindElement('-LOADING-').update(visible=True)
req = pituophis.parse_url(url)
window.FindElement('-QUERY-').update(req.url())
if req.type in texttypes:
if req.type in ['1', '7']:
gophertree = sg.TreeData()
gophertree.insert('', key=req.url(), text=req.url(),
values=[req.url()], icon=icons[req.type])
parentNode = req.url()
history.append(req.url())
openNodes = []
populate(parentNode, req)
else:
try:
resp = req.get()
loadedTextURL = req.url()
window.FindElement('-OUTPUT-').update(resp.text())
except:
sg.popup("We're sorry!", req.url() + ' could not be fetched. Try again later.')
else:
dlpath = dlPopup(req.url())
if not dlpath is None:
window.FindElement('-DOWNLOADS-').update(value='Downloading {}'.format(dlpath))
threading.Thread(target=download_thread, args=(req, dlpath, gui_queue), daemon=True).start()
window.FindElement('-LOADING-').update(visible=False)
def plural(x):
if x > 1 or x < 1:
return 's'
return ''
previousvalue = None
while True: # The Event Loop
event, value = window.read()
if event in (None, 'Exit'): # quit if exit button or X
break
elif event == '_TREE_':
if value == previousvalue:
previousevent = None
# DOUBLE CLICK
# TODO: cooldown
window.FindElement('-LOADING-').update(visible=True)
url = value['_TREE_'][0]
if url.endswith(' <cached>'):
url = url[:-9]
del cache[url]
go(url)
else:
if url.startswith('gopher'):
req = pituophis.parse_url(url)
if req.type == '1':
parentNode = url
if value['-USETREE-']:
populate(parentNode, req)
else:
go(parentNode)
elif req.type == '7':
q = sg.popup_get_text('Search on ' + req.host, '')
if not q is None:
req.query = q
go(req.url())
elif req.type != 'i':
go(req.url())
window.FindElement('-LOADING-').update(visible=False)
else:
os.startfile(url)
previousvalue = value
elif event == 'Go':
go(value['-QUERY-'].rstrip())
elif event == '<':
if len(history) > 1:
h = history[-2]
history.remove(h)
history.remove(history[-1])
go(h)
elif event == 'Copy URL':
url = value['_TREE_'][0]
if url.endswith(' <cached>'):
url = url[:-9]
pyperclip.copy(url)
elif event == 'Copy File URL':
pyperclip.copy(loadedTextURL)
elif event == 'Save...':
dlpath = dlPopup(loadedTextURL)
if not dlpath is None:
with open(dlpath, 'w') as f:
f.write(value['-OUTPUT-'])
elif event == 'Clear Cache':
cache = {}
try:
message = gui_queue.get_nowait()
except queue.Empty: # get_nowait() will get exception when Queue is empty
message = None # break from the loop if no more messages are queued up
# if message received from queue, display the message in the Window
if message:
window.FindElement('-DOWNLOADS-').update(value='')
if sg.popup_yes_no('Finished downloading {}. Would you like to open the downloaded file?'.format(message)):
os.startfile(message)
window.FindElement('-CACHE-').update(value='{} menu{} in cache.'.format(len(cache), plural(len(cache))))
window.close()