2016-07-11 23:01:57 +02:00
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#!/usr/bin/env python3
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2016-03-04 12:10:59 +01:00
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import sys
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import argparse
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import cgi
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import tempfile
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import os
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2016-06-02 21:57:55 +02:00
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import threading
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import time
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2016-05-22 12:37:35 +02:00
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# Python 2 vs Python 3 compat
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try:
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from urllib.parse import unquote_plus
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except ImportError:
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from urllib import unquote_plus
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2016-03-04 12:10:59 +01:00
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from wsgiref.util import setup_testing_defaults
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from wsgiref.simple_server import make_server
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import wsgiref.util
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2016-03-25 17:49:33 +01:00
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try:
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import boxes.generators
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except ImportError:
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sys.path.append(os.path.dirname(__file__) + "/..")
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import boxes.generators
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2016-06-02 21:57:55 +02:00
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class FileChecker(threading.Thread):
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def __init__(self, files=[], checkmodules=True):
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super(FileChecker, self).__init__()
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self.checkmodules = checkmodules
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self.timestamps = {}
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for path in files:
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self.timestamps[path] = os.stat(path).st_mtime
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if checkmodules:
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self._addModules()
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def _addModules(self):
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for name, module in sys.modules.items():
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path = getattr(module, "__file__", None)
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if not path:
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continue
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if path not in self.timestamps:
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self.timestamps[path] = os.stat(path).st_mtime
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def filesOK(self):
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if self.checkmodules:
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self._addModules()
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for path, timestamp in self.timestamps.items():
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2016-06-30 11:54:24 +02:00
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try:
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if os.stat(path).st_mtime != timestamp:
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return False
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except FileNotFoundError:
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2016-06-02 21:57:55 +02:00
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return False
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return True
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def run(self):
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while True:
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if not self.filesOK():
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os.execv(__file__, sys.argv)
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time.sleep(1)
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2016-03-04 12:10:59 +01:00
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class ArgumentParserError(Exception): pass
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class ThrowingArgumentParser(argparse.ArgumentParser):
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def error(self, message):
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raise ArgumentParserError(message)
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boxes.ArgumentParser = ThrowingArgumentParser # Evil hack
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class BServer:
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def __init__(self):
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2016-07-31 17:18:17 +02:00
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self.boxes = {b.__name__ : b() for b in boxes.generators.getAllBoxGenerators().values() if b.webinterface}
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2016-03-04 12:10:59 +01:00
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def arg2html(self, a):
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2016-03-08 21:50:47 +01:00
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name = a.option_strings[0].replace("-", "")
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2016-03-04 12:10:59 +01:00
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if isinstance(a, argparse._HelpAction):
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return ""
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2016-04-10 22:51:57 +02:00
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row = """<tr><td>%s</td><td>%%s</td><td>%s</td></tr>\n""" % \
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(name, a.help or "")
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2016-06-21 21:51:55 +02:00
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if (isinstance(a, argparse._StoreAction) and
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2016-04-10 22:51:57 +02:00
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isinstance(a.type, boxes.ArgparseEdgeType)):
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input = a.type.html(name, a.default)
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elif a.dest == "layout":
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2016-03-16 10:16:56 +01:00
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val = a.default.split("\n")
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2016-04-10 22:51:57 +02:00
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input = """<textarea name="%s" cols="%s" rows="%s">%s</textarea>""" % \
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(name, max((len(l) for l in val))+10, len(val)+1, a.default)
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2016-06-21 21:51:55 +02:00
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elif a.type is bool:
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input = """<input name="%s" type="checkbox">""" % \
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(name, )
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2016-06-27 09:09:28 +02:00
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elif a.choices:
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options = "\n".join(
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("""<option value="%s"%s>%s</option>""" %
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(e, ' selected="selected"' if e == a.default else "",
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e) for e in a.choices))
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input = """<select name="%s" size="1">\n%s</select>\n""" % (name, options)
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2016-04-10 22:51:57 +02:00
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else:
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input = """<input name="%s" type="text" value="%s">""" % \
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(name, a.default)
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return row % input
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2016-03-04 12:10:59 +01:00
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2016-03-16 10:16:56 +01:00
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def args2html(self, name, box, action=""):
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2016-03-09 19:36:33 +01:00
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result = ["""<html><head><title>Boxes - """, name, """</title></head>
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<body>
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2016-03-16 11:35:13 +01:00
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<h1>""", name, """</h1>
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2016-07-31 17:18:17 +02:00
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<p>""", box.__doc__ or "", """</p>
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2016-05-21 20:31:04 +02:00
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<form action="%s" method="GET" target="_blank">
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2016-03-04 12:10:59 +01:00
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<table>
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2016-03-16 10:16:56 +01:00
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""" % (action)]
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2016-03-16 11:35:13 +01:00
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for a in box.argparser._actions:
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2016-03-16 10:16:56 +01:00
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if a.dest in ("input", "output"):
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2016-03-04 12:10:59 +01:00
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continue
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result.append(self.arg2html(a))
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if a.dest == "burn":
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result.append("</table>\n<hr>\n<table>\n")
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result.append("""</table>
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2016-05-21 20:31:04 +02:00
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<p><button name="render" value="1">Generate</button></p>
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2016-03-04 12:10:59 +01:00
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</form>
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</body>
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</html>
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""")
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return (s.encode("utf-8") for s in result)
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def menu(self):
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result = ["""<html>
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2016-04-02 18:01:10 +02:00
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<head><title>Boxes.py</title></head>
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2016-03-04 12:10:59 +01:00
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<body>
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2016-04-02 18:01:10 +02:00
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<h1>Boxes.py</h1>
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2016-03-15 21:29:03 +01:00
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<p>
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A Python based generator for laser cut boxes and other things.
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</p>
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<p>It features both finished parametrized generators as well as a Python API
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for writing your own scripts. It features finger and (flat) dovetail joints,
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flex cuts, holes and slots for screws and more high level functions.
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</p>
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<p>These are the available generators:</p>
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2016-03-04 12:10:59 +01:00
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<ul>
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""" ]
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2016-03-08 21:52:24 +01:00
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for name in sorted(self.boxes):
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2016-03-16 10:16:56 +01:00
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if name in ("TrayLayout2", ):
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continue
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2016-03-08 21:52:24 +01:00
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box = self.boxes[name]
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docs = ""
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if box.__doc__:
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docs = " - " + box.__doc__
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result.append(""" <li><a href="%s">%s</a>%s</li>""" % (
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name, name, docs))
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2016-03-04 12:10:59 +01:00
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result.append("""</ul>
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2016-05-20 22:19:17 +02:00
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<ul>
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<li><a href="https://github.com/florianfesti/boxes">Get Source at GitHub</a></li>
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<li><a href="http://florianfesti.github.io/boxes/html/index.html">Documentation and API Description</a></li>
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<li><a href="https://hackaday.io/project/10649-boxespy">Hackaday.io Project Page</a></li>
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2016-03-04 12:10:59 +01:00
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</body>
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</html>
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""")
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return (s.encode("utf-8") for s in result)
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2016-03-09 19:36:33 +01:00
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def errorMessage(self, name, e):
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return [
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b"""<html><head><title>Error generating""", name.encode(),
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b"""</title><head>
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<body>
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<h1>An error occurred!</h1>
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<p>""", str(e).encode(), b"""</p>
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</body>
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</html>
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""" ]
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2016-03-04 12:10:59 +01:00
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def serve(self, environ, start_response):
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status = '200 OK'
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headers = [('Content-type', 'text/html; charset=utf-8')]
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d = cgi.parse_qs(environ['QUERY_STRING'])
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2016-03-09 19:36:33 +01:00
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name = environ["PATH_INFO"][1:]
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box = self.boxes.get(name, None)
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if not box:
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start_response(status, headers)
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return self.menu()
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2016-03-04 12:10:59 +01:00
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2016-05-21 20:31:04 +02:00
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args = ["--"+arg for arg in environ['QUERY_STRING'].split("&")]
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if "--render=1" not in args:
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2016-03-09 19:36:33 +01:00
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start_response(status, headers)
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2016-03-16 11:35:13 +01:00
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return self.args2html(name, box)
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2016-05-21 20:31:04 +02:00
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else:
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args = [a for a in args if a != "--render=1"]
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2016-03-04 12:10:59 +01:00
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try:
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box.parseArgs(args)
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except (ArgumentParserError) as e:
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2016-03-09 19:36:33 +01:00
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start_response(status, headers)
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return self.errorMessage(name, e)
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2016-03-16 10:16:56 +01:00
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if name == "TrayLayout":
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start_response(status, headers)
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box.fillDefault(box.x, box.y)
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self.boxes["TrayLayout2"].argparser.set_defaults(layout=str(box))
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return self.args2html(
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name, self.boxes["TrayLayout2"], action="TrayLayout2")
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if name == "TrayLayout2":
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try:
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2016-05-22 12:37:35 +02:00
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box.parse(unquote_plus(box.layout).split("\n"))
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2016-03-16 10:16:56 +01:00
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except Exception as e:
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raise
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start_response(status, headers)
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return self.errorMessage(name, e)
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2016-03-09 19:36:33 +01:00
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start_response(status,
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2016-06-27 09:10:00 +02:00
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box.formats.http_headers.get(
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box.format,
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[('Content-type', 'application/unknown; charset=utf-8')]))
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2016-03-04 12:10:59 +01:00
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fd, box.output = tempfile.mkstemp()
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box.render()
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result = open(box.output).readlines()
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os.remove(box.output)
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os.close(fd)
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return (l.encode("utf-8") for l in result)
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if __name__=="__main__":
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2016-06-02 21:57:55 +02:00
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fc = FileChecker()
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fc.start()
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2016-03-04 12:10:59 +01:00
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boxserver = BServer()
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httpd = make_server('', 8000, boxserver.serve)
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print("Serving on port 8000...")
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httpd.serve_forever()
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2016-05-20 20:55:02 +02:00
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else:
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application = BServer().serve
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