364 lines
9.6 KiB
Python
364 lines
9.6 KiB
Python
import heapq, re, csv, os, shutil, datetime, urllib
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import itertools, time, markdown, csv, json, os.path, webbrowser, threading
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from functools import wraps
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from flask import Flask, request, send_from_directory, Response, render_template
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from flask import send_file
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from flask_socketio import SocketIO, emit
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from werkzeug.routing import PathConverter
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from queue import Queue
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from importlib import reload
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import server
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import localcache
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from server import *
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from canvas_secrets import flask_secretkey
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from content import my_site
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### SET THIS ENV VAR TO GET RELOADING
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# (win)
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# set FLASK_ENV=development
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# (linux)
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# export FLASK_ENV=development
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import socket
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this_host = socket.gethostname()
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print('\n\n' + this_host, '\n\n')
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has_curses = 0
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if this_host != 'ROGDESKTOP':
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import curses
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has_curses = 1
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else:
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print("Skipping curses stuff")
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q = Queue()
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HOST_NAME = '192.168.1.6' #
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PORT_NUMBER = 8080 # Maybe set this to 9000.
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datafile = 'lambda.csv'
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####
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#### This little web server is going to work with the "gui" folder / vue app
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####
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####
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def dict_generator(indict, pre=None):
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pre = pre[:] if pre else []
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if isinstance(indict, dict):
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for key, value in indict.items():
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if isinstance(value, dict):
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for d in dict_generator(value, pre + [key]):
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yield d
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elif isinstance(value, list) or isinstance(value, tuple):
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for v in value:
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for d in dict_generator(v, pre + [key]):
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yield d
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else:
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yield str(pre) + " " + str([key, value]) + "\n"
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else:
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yield pre + [indict]
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yield str(pre) + " " + str([indict]) + "\n"
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def print_dict(v, prefix='',indent=''):
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if isinstance(v, dict):
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return [ print_dict(v2, "{}['{}']".format(prefix, k) + "<br />", indent+" " ) for k, v2 in v.items() ]
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elif isinstance(v, list):
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return [ print_dict( v2, "{}[{}]".format(prefix , i) + "<br />", indent+" ") for i, v2 in enumerate(v) ]
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else:
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return '{} = {}'.format(prefix, repr(v)) + "\n"
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def walk_file():
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j = json.loads(open('cache/programs/programs_2.txt','r').read())
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return print_dict(j)
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def tag(x,y): return "<%s>%s</%s>" % (x,y,x)
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def tagc(x,c,y): return '<%s class="%s">%s</%s>' % (x,c,y,x)
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def a(t,h): return '<a href="%s">%s</a>' % (h,t)
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def server_save(key,value):
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codecs.open('cache/server_data.txt','a').write( "%s=%s\n" % (str(key),str(value)))
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def flask_thread(q):
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#app = Flask(__name__, static_url_path='/cache',
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# static_folder='cache',)
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app = Flask(__name__)
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app.config['SECRET_KEY'] = flask_secretkey
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app.jinja_env.auto_reload = True
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socketio = SocketIO(app)
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app.config['TEMPLATES_AUTO_RELOAD'] = True
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def before_request():
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app.jinja_env.cache = {}
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app.before_request(before_request)
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@app.route('/mirror')
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def mirror():
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return codecs.open('cache/crawl/index.html','r','utf-8').read()
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@app.route('/mirror/<filename>')
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def mirror_file(filename):
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return markdown.markdown( codecs.open('cache/crawl/'+filename,'r','utf-8').read() ) + \
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"<pre>" + codecs.open('cache/crawl/'+filename,'r','utf-8').read() + "</pre>"
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@app.route('/clearscreens')
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def clears():
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clearscreens()
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return homepage()
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@app.route('/displaypi/on')
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def dpi():
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displaypi_on()
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return homepage()
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@app.route('/displaypi/off')
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def dpi2():
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displaypi_off()
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return homepage()
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@app.route('/screensoff')
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def screenoff_a():
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screenoff()
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return homepage()
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@app.route('/light')
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def light():
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desklight()
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return homepage()
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@app.route('/image/<filename>', methods=['GET','POST'])
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def do_image(filename):
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return image_edit(filename)
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@app.route('/imagecrop/<filename>/<x>/<y>/<w>/<h>/<newname>', methods=['GET','POST'])
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def do_image_crop(filename,x,y,w,h,newname):
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return image_crop(filename,x,y,w,h,newname)
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@app.route('/md', methods=['GET', 'POST'])
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def convert_markdown():
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if request.method == 'POST':
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markdown_input = request.form.get('markdown_input', '')
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html_output = markdown.markdown(markdown_input)
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return render_template('basic.html', title='md -> html', html_output=html_output)
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return render_template('convert.html')
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#
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# SAVING STUFF
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#
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@app.route('/save', methods=['POST'])
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def save_post():
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now = datetime.now().strftime('%Y%m%dT%H%M')
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path = request.form['path']
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txt = request.form['content']
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try:
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o3 = codecs.open(server.writing_path + path, 'r', 'utf-8')
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orig_text = o3.read()
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o3.close()
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except Exception as e:
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orig_text = ''
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bu_filename = server.writing_path + 'older_copies/' + path + '_' + now + '.md'
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o2 = codecs.open( bu_filename, 'w', 'utf-8' )
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o2.write(orig_text)
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o2.close()
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print('wrote backup to %s.' % bu_filename)
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o1 = codecs.open(server.writing_path+path, 'w', 'utf-8')
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o1.write(txt)
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o1.close()
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return "<h1>Successfully Saved</h1><br>" + a('back to writing folder','/x/writing/index') + \
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" " + a('back to home','/')
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@app.route('/x/writing/images/<fname>')
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def writing_img(fname):
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# TODO
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img_path = "/media/hd2/peter_home/Documents/writing_img/"
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print(img_path + fname + " - writing images folder")
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img_ext = fname.split('.')[-1]
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if img_ext == "gif":
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return send_from_directory(img_path, fname)
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if img_ext == "jpg":
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return send_from_directory(img_path, fname)
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if img_ext == "png":
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return send_from_directory(img_path, fname)
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return send_from_directory(img_path, fname)
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#
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# SERVER maintenance type stuff
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@app.route('/rl')
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def restart():
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reload(server)
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reload(localcache)
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return "Server code reloaded"
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@app.route("/x/<func>/<arg>/<arrg>")
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def dispatch3(func,arg,arrg):
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print("2 args")
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return "" + server_dispatch(func, arg, arrg)
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@app.route("/x/<func>/<arg>")
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def dispatch2(func,arg):
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print("1 arg")
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return "" + server_dispatch(func, arg)
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@app.route("/x/<func>")
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def dispatch(func):
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print("0 arg")
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return server_dispatch(func)
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@app.route("/api/<func>/<arg>/<arrg>")
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def dispatch3j(func,arg,arrg):
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print("json, 3 args")
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return Response(server_dispatch(func, arg, arrg), mimetype='text/json')
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@app.route("/api/<func>/<arg>")
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def dispatch2j(func,arg):
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print("json, 1 arg")
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return Response(server_dispatch(func, arg), mimetype='text/json')
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@app.route("/api/<func>")
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def dispatch1j(func):
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print("json, 0 arg")
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return Response(server_dispatch(func), mimetype='text/json')
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@app.route("/")
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def home():
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return server.homepage()
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#
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# STATIC ROUTES
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#
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@app.route('/data/<path:path>')
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def send_cachedata(path):
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#myfile = os.path.join('cache', path).replace('\\','/')
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print(path)
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#return app.send_static_file(myfile)
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return send_from_directory('cache', path)
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# Departments, classes in each, and students (with hits) in each of those.
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"""@app.route('/iii/<path:path>')
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def send_js(path):
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return send_from_directory('gui/dist', path)"""
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"""@app.route('/lib/<path:path>')
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def send_jslib(path):
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return send_from_directory('gui/lib', path)"""
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#@app.route('/hello/')
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#@app.route('/hello/<name>')
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@app.route("/save/<key>/<val>")
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def s(key,val):
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server_save(key,val)
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return tag('h1','Saved.') + "<br />" + tag('p', 'Saved: %s = %s' % (str(key),str(val)))
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@app.route("/sample")
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def do_sample():
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return sample()
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@app.route('/podcast/media/<string:file_id>')
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def media(file_id):
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return send_file(LECPATH + urllib.parse.unquote(file_id), attachment_filename=urllib.parse.unquote(file_id))
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@app.route("/podcast")
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def podcast():
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return lectures()
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@app.route("/lectures")
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def weblec():
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return web_lectures()
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@app.route("/crazy")
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def hello():
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r = '<link rel="stylesheet" href="static/bootstrap.min.css">'
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r += tag('style', 'textarea { white-space:nowrap; }')
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r += tag('body', \
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tagc('div','container-fluid', \
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tagc('div','row', \
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tagc( 'div', 'col-md-6', tag('pre', walk_file() ) ) + \
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tagc( 'div', 'col-md-6', 'Column 2' + a('Shut Down','/shutdown' ) ) ) ) )
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return r
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@app.route("/sd")
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def sd():
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print('SIGINT or CTRL-C detected. Exiting gracefully')
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func = request.environ.get('werkzeug.server.shutdown')
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if func is None:
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raise RuntimeError('Not running with the Werkzeug Server')
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func()
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return "Server has shut down."
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@socketio.on('my event', namespace='/test')
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def test_message(message):
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print('received and event: "my event" from page. message is: %s' % message)
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emit('my response', {'data': 'got it! it is MYEVENT'})
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socketio.run(app, host= '0.0.0.0') # , debug=True
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def serve():
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x = threading.Thread(target=flask_thread, args=(q,))
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x.start()
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#webbrowser.open_new_tab("http://localhost:5000")
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y = threading.Thread(target=mqtt_loop)
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y.start()
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if __name__ == '__main__':
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serve()
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