#!/usr/bin/python3
import sys
import argparse
import cgi
import tempfile
import os
import urllib
from wsgiref.util import setup_testing_defaults
from wsgiref.simple_server import make_server
import wsgiref.util
try:
import boxes.generators
except ImportError:
sys.path.append(os.path.dirname(__file__) + "/..")
import boxes.generators
from boxes.generators import box, box2, box3, drillbox
from boxes.generators import flexbox, flexbox2, flexbox3, flextest, folder
from boxes.generators import magazinefile, trayinsert, traylayout, typetray, silverwarebox
class ArgumentParserError(Exception): pass
class ThrowingArgumentParser(argparse.ArgumentParser):
def error(self, message):
raise ArgumentParserError(message)
boxes.ArgumentParser = ThrowingArgumentParser # Evil hack
class BServer:
def __init__(self):
self.boxes = {
"DemoBox" : boxes.DemoBox(),
"Box" : box.Box(),
"Box2" : box2.Box(),
"Box3" : box3.Box(),
"DrillBox" : drillbox.Box(),
"FlexBox" : flexbox.FlexBox(),
"FlexBox2" : flexbox2.FlexBox(),
"FlexBox3" : flexbox3.FlexBox(),
"FlexTest": flextest.FlexTest(),
"Folder": folder.Folder(),
"MagazinFile" : magazinefile.Box(),
"TrayInsert" : trayinsert.TrayInsert(),
"TypeTray" : typetray.TypeTray(),
"SilverwareBox" : silverwarebox.Silverware(),
"TrayLayout" : traylayout.LayoutGenerator(),
"TrayLayout2" : traylayout.Layout(webargs=True),
}
def arg2html(self, a):
name = a.option_strings[0].replace("-", "")
if isinstance(a, argparse._HelpAction):
return ""
if isinstance(a, argparse._StoreTrueAction):
return """%s %s %s %s %s %s Boxes - """, name, """
""", name, """
""", box.__doc__, """
""")
return (s.encode("utf-8") for s in result)
def menu(self):
result = ["""
Boxes for Laser Cutters
boxes.py
A Python based generator for laser cut boxes and other things.
It features both finished parametrized generators as well as a Python API
for writing your own scripts. It features finger and (flat) dovetail joints,
flex cuts, holes and slots for screws and more high level functions.
These are the available generators:
""" ]
for name in sorted(self.boxes):
if name in ("TrayLayout2", ):
continue
box = self.boxes[name]
docs = ""
if box.__doc__:
docs = " - " + box.__doc__
result.append(""" %s %s
""")
return (s.encode("utf-8") for s in result)
def errorMessage(self, name, e):
return [
b"""Error generating""", name.encode(),
b"""
An error occurred!
""", str(e).encode(), b"""
""" ]
def serve(self, environ, start_response):
status = '200 OK'
headers = [('Content-type', 'text/html; charset=utf-8')]
d = cgi.parse_qs(environ['QUERY_STRING'])
name = environ["PATH_INFO"][1:]
box = self.boxes.get(name, None)
if not box:
start_response(status, headers)
return self.menu()
if environ["REQUEST_METHOD"] == "GET":
start_response(status, headers)
return self.args2html(name, box)
elif environ["REQUEST_METHOD"] == "POST":
try:
length = int(environ.get('CONTENT_LENGTH', '0'))
except ValueError:
length = 0
body = environ['wsgi.input'].read(length).decode()
args = ["--"+arg for arg in body.split("&")]
try:
box.parseArgs(args)
except (ArgumentParserError) as e:
start_response(status, headers)
return self.errorMessage(name, e)
if name == "TrayLayout":
start_response(status, headers)
box.fillDefault(box.x, box.y)
self.boxes["TrayLayout2"].argparser.set_defaults(layout=str(box))
return self.args2html(
name, self.boxes["TrayLayout2"], action="TrayLayout2")
if name == "TrayLayout2":
try:
print(urllib.parse.unquote_plus(box.layout))
box.parse(urllib.parse.unquote_plus(box.layout).split("\n"))
except Exception as e:
raise
start_response(status, headers)
return self.errorMessage(name, e)
start_response(status,
[('Content-type', 'image/svg+xml; charset=utf-8')])
fd, box.output = tempfile.mkstemp()
box.render()
result = open(box.output).readlines()
os.remove(box.output)
os.close(fd)
return (l.encode("utf-8") for l in result)
if __name__=="__main__":
boxserver = BServer()
httpd = make_server('', 8000, boxserver.serve)
print("Serving on port 8000...")
httpd.serve_forever()