570 lines
21 KiB
Python
Executable File
570 lines
21 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2016-2017 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import argparse
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import gettext
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import glob
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import html
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import mimetypes
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import os.path
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import re
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import sys
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import tempfile
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import threading
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import time
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import traceback
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from urllib.parse import parse_qs
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from urllib.parse import unquote_plus, quote
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from wsgiref.simple_server import make_server
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import markdown
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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.join(os.path.dirname(__file__), ".."))
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import boxes.generators
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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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self._stopped = False
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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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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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return False
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return True
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def run(self):
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while not self._stopped:
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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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def stop(self):
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self._stopped = True
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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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# Evil hack
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boxes.ArgumentParser = ThrowingArgumentParser # type: ignore
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class BServer:
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lang_re = re.compile(r"([a-z]{2,3}(-[-a-zA-Z0-9]*)?)\s*(;\s*q=(\d\.?\d*))?")
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def __init__(self):
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self.boxes = {b.__name__ : b for b in boxes.generators.getAllBoxGenerators().values() if b.webinterface}
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self.boxes['TrayLayout2'] = boxes.generators.traylayout.TrayLayout2
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self.groups = boxes.generators.ui_groups
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self.groups_by_name = boxes.generators.ui_groups_by_name
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for name, box in self.boxes.items():
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self.groups_by_name.get(box.ui_group,
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self.groups_by_name["Misc"]).add(box)
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self.staticdir = os.path.join(os.path.dirname(__file__), '../static/')
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self._languages = None
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def getLanguages(self, domain=None, localedir=None):
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if self._languages is not None:
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return self._languages
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self._languages = []
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domain = "boxes.py"
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for localedir in ["locale", gettext._default_localedir]:
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files = glob.glob(os.path.join(localedir, '*', 'LC_MESSAGES', '%s.mo' % domain))
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self._languages.extend([file.split(os.path.sep)[-3] for file in files])
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self._languages.sort()
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return self._languages
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def getLanguage(self, args, accept_language):
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lang = None
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langs = []
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for i, arg in enumerate(args):
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if arg.startswith("language="):
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lang = arg[len("language="):]
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del args[i]
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break
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if lang:
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try:
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return gettext.translation('boxes.py', localedir='locale',
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languages=[lang])
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except OSError:
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pass
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try:
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return gettext.translation('boxes.py', languages=[lang])
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except OSError:
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pass
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# selected language not found try browser default
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languages = accept_language.split(",")
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for l in languages:
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m = self.lang_re.match(l.strip())
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if m:
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langs.append((float(m.group(4) or 1.0), m.group(1)))
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langs.sort(reverse=True)
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langs = [l[1].replace("-", "_") for l in langs]
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try:
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return gettext.translation('boxes.py', localedir='locale',
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languages=langs)
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except OSError:
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return gettext.translation('boxes.py', languages=langs, fallback=True)
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def arg2html(self, a, prefix, defaults={}, _=lambda s:s):
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name = a.option_strings[0].replace("-", "")
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if isinstance(a, argparse._HelpAction):
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return ""
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viewname = name
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if prefix and name.startswith(prefix + '_'):
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viewname = name[len(prefix)+1:]
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default = defaults.get(name, None)
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row = """<tr><td id="%s"><label for="%s">%s</label></td><td>%%s</td><td id="%s">%s</td></tr>\n""" % \
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(name+"_id", name, _(viewname), name+"_description","" if not a.help else markdown.markdown(_(a.help)))
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if (isinstance(a, argparse._StoreAction) and
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hasattr(a.type, "html")):
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input = a.type.html(name, default or a.default, _)
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elif a.dest == "layout":
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val = (default or a.default).split("\n")
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input = """<textarea name="%s" id="%s" aria-labeledby="%s %s" cols="%s" rows="%s">%s</textarea>""" % \
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(name, name, name+"_id", name+"_description", max((len(l) for l in val))+10, len(val)+1, default or a.default)
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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 == (default or a.default)) or (str(e) == str(default or a.default)) else "",
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_(e)) for e in a.choices))
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input = """<select name="%s" id="%s" aria-labeledby="%s %s" size="1" >\n%s</select>\n""" % (name, name, name+"_id", name+"_description", options)
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else:
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input = """<input name="%s" id="%s" aria-labeledby="%s %s" type="text" value="%s" >""" % \
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(name, name, name+"_id", name+"_description", default or a.default)
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return row % input
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scripts = """
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<script>
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function showHide(id) {
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var e = document.getElementById(id);
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var h = document.getElementById("h-" + id);
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if(e.style.display == null || e.style.display == "none") {
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e.style.display = "block";
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h.classList.add("open");
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h.setAttribute("aria-expanded","true");
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} else {
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e.style.display = "none";
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h.classList.remove("open");
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h.setAttribute("aria-expanded","false");
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}
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}
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function hideargs() {
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for ( i=0; i<%i; i++) {
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showHide(i);
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}
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}
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</script>
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"""
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def args2html(self, name, box, lang, action="", defaults={}):
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_ = lang.gettext
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lang_name = lang.info().get('language', None)
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if lang_name:
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langparam = "?language=" + lang_name
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else:
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langparam = ""
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result = [f"""<!DOCTYPE html>
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<html>
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<head>
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<title>{_("Boxes - %s") % _(name)}</title>
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<meta charset="utf-8">
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<link rel="icon" type="image/svg+xml" href="static/boxes-logo.svg" sizes="any">
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<link rel="icon" type="image/x-icon" href="static/favicon.ico">
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<link rel="stylesheet" href="static/self.css">
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{self.scripts % (len(box.argparser._action_groups)-3)}
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<meta name="flattr:id" content="456799">
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</head>
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<body onload="hideargs()">
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<div class="container" style="background-color: #FFF8EA;">
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<div style="float: left;">
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<a href="./{langparam}"><h1>{_("Boxes.py")}</h1></a>
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</div>
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<div style="width: 120px; float: right;">
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<img alt="self-Logo" src="static/boxes-logo.svg" width="120" >
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</div>
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<div>
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<div class="clear"></div>
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<hr>
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<h2 style="margin: 0px 0px 0px 20px;" >{_(name)}</h2>
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<p>{_(box.__doc__) if box.__doc__ else ""}</p>
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<form action="{action}" method="GET">
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"""]
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groupid = 0
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for group in box.argparser._action_groups[3:] + box.argparser._action_groups[:3]:
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if not group._group_actions:
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continue
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if len(group._group_actions) == 1 and isinstance(group._group_actions[0], argparse._HelpAction):
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continue
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prefix = getattr(group, "prefix", None)
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result.append(f'''<h3 id="h-{groupid}" role="button" aria-expanded="true" tabindex="0" class="open" onclick="showHide({groupid})" onkeypress="if(event.keyCode == 13) showHide({groupid})">{_(group.title)}</h3>\n<table role="presentation" id="{groupid}">\n''')
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for a in group._group_actions:
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if a.dest in ("input", "output"):
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continue
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result.append(self.arg2html(a, prefix, defaults, _))
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result.append("</table>")
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groupid += 1
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result.append(f"""
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<p>
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<button name="render" value="1" formtarget="_blank">{_("Generate")}</button>
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<button name="render" value="2" formtarget="_self">{_("Download")}</button>
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<button name="render" value="0" formtarget="_self">{_("Save to URL")}</button>
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</p>
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</form>
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</div>
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<!--
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<div style="width: 5%; float: left;"></div>
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<div style="width: 35%; float: left;">
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<img alt="sample" src="examples/box.svg" width="300" >
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<span id="sicherheitshinweise">hier kommt dann der AJAX-Inhalt</span>
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</div>
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-->
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<div class="clear"></div>
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<hr>
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<div class="description">
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""")
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no_img_msg = _('There is no image yet. Please donate an image of your project on <a href="https://github.com/florianfesti/boxes/issues/140">GitHub</a>!')
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if box.description:
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result.append(markdown.markdown(_(box.description),
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extensions=["extra"]))
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result.append(f'''<div>
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<img src="static/samples/{box.__class__.__name__}.jpg" width="100%" onerror="this.parentElement.innerHTML = '{no_img_msg}';">
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</div>
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</div>
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</div>
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{self.footer(lang)}</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, lang):
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_ = lang.gettext
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lang_name = lang.info().get('language', None)
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if lang_name:
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langparam = "?language=" + lang_name
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else:
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langparam = ""
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result = [f"""<!DOCTYPE html>
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<html>
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<head>
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<title>{_("Boxes.py")}</title>
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<meta charset="utf-8">
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<link rel="icon" type="image/svg+xml" href="static/boxes-logo.svg" sizes="any">
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<link rel="icon" type="image/x-icon" href="static/favicon.ico">
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<link rel="stylesheet" href="static/self.css">
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""",
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""" <script>
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function change(group, img_link){
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document.getElementById("sample-"+group).src = img_link;
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document.getElementById("sample-"+group).style.height = "auto";
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}
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function changeback(group){
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document.getElementById("sample-" + group).src= "static/nothing.png";
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document.getElementById("sample-" + group).style.height= "0px";
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}
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""",
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f""" </script>{self.scripts % len(self.groups)}
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<meta name="flattr:id" content="456799">
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</head>
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<body onload="hideargs()">
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<div class="container" style="background-color: #FFF8EA;">
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<div style="width: 75%; float: left;">
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<h1>{_("Boxes.py")}</h1>
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<p>{_("Create boxes and more with a laser cutter!")}</p>
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<p>
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{_('''
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<a href="https://hackaday.io/project/10649-boxespy">Boxes.py</a> is an <a href="https://www.gnu.org/licenses/gpl-3.0.en.html">Open Source</a> box generator written in <a href="https://www.python.org/">Python</a>. It features both finished parametrized generators as well as a Python API for writing your own. It features finger and (flat) dovetail joints, flex cuts, holes and slots for screws, hinges, gears, pulleys and much more.''')}
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</p>
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</div>
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<div style="width: 25%; float: left;">
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<img alt="self-Logo" src="static/boxes-logo.svg" width="250" >
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</div>
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<div>
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<div class="clear"></div>
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<hr>
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<div class="menu" style="width: 100%">
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""" ]
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for nr, group in enumerate(self.groups):
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result.append(f'''
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<h3 id="h-{nr}" role="button" aria-expanded="false" class="open" tabindex="0" onclick="showHide('{nr}')" onkeypress="if(event.keyCode == 13) showHide('{nr}')"
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onmouseenter="change('{group.name}', 'static/samples/{group.thumbnail}')"
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onmouseleave="changeback('{group.name}')">{_(group.title)}</h3>
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<img style="width: 200px;" id="sample-{group.name}" src="static/nothing.png" alt="">
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<div id="{nr}"><ul>''')
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for box in group.generators:
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name = box.__name__
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if name in ("TrayLayout2", ):
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continue
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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(f"""
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<li onmouseenter="change('{group.name}', 'static/samples/{name}-thumb.jpg')" onmouseleave="changeback('{group.name}')"><a href="{name}{langparam}">{_(name)}</a>{docs}</li>""")
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result.append("\n</ul></div>\n")
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result.append(f"""
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</div>
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<div style="width: 5%; float: left;"></div>
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<div class="clear"></div>
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<hr>
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</div>
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</div>
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{self.footer(lang)}
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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 footer(self, lang):
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_ = lang.gettext
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language = lang.info().get('language', '')
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return """
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<div class="footer container">
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<ul>
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<li><form><select name="language" onchange='if(this.value != "%s") { this.form.submit(); }'>""" % language + \
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("<option value='' selected></option>" if not language else "") + \
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"\n".join(
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("<option value='%s' %s>%s</option>" % (l, "selected" if l==language else "", l)
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for l in self.getLanguages())) + """
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</select></form></li>
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<li><a href="https://florianfesti.github.io/boxes/html/usermanual.html">""" + _("Help") + """</a></li>
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<li><a href="https://hackaday.io/project/10649-boxespy">""" + _("Home Page") + """</a></li>
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<li><a href="https://florianfesti.github.io/boxes/html/index.html">""" + _("Documentation") + """</a></li>
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<li><a href="https://github.com/florianfesti/boxes">""" + _("Sources") + """</a></li>
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</ul>
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</div>
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"""
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def errorMessage(self, name, e, _):
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return [(f"""<html>
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<head>
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<title>{_("Error generating %s") % _(name)}</title>
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<meta name="flattr:id" content="456799">
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</head>
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<body>
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<h1>{_("An error occurred!")}</h1>""" +
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"".join(u"<p>%s</p>" % html.escape(s) for s in type(u"")(e).split(u"\n")) +
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"""
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</body>
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</html>
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""").encode("utf-8") ]
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def serveStatic(self, environ, start_response):
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filename = environ["PATH_INFO"][len("/static/"):]
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path = os.path.join(self.staticdir, filename)
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if (not re.match(r"[a-zA-Z0-9_/-]+\.[a-zA-Z0-9]+", filename) or
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not os.path.exists(path)):
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if re.match(r"samples/.*-thumb.jpg", filename):
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path = os.path.join(self.staticdir, "nothing.png")
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else:
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start_response("404 Not Found",
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[('Content-type', 'text/plain')])
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return [b"Not found"]
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type_, encoding = mimetypes.guess_type(filename)
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if encoding is None:
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encoding = "utf-8"
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# Images do not have charset. Just bytes. Except text based svg.
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# Todo: fallback if type_ is None?
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if type_ is not None and "image" in type_ and type_ != "image/svg+xml":
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start_response("200 OK", [('Content-type', "%s" % type_)])
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else:
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start_response("200 OK", [('Content-type', "%s; charset=%s" % (type_, encoding))])
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f = open(path, 'rb')
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return environ['wsgi.file_wrapper'](f, 512*1024)
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def getURL(self, environ):
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url = environ['wsgi.url_scheme']+'://'
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if environ.get('HTTP_HOST'):
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url += environ['HTTP_HOST']
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else:
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url += environ['SERVER_NAME']
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if environ['wsgi.url_scheme'] == 'https':
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if environ['SERVER_PORT'] != '443':
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url += ':' + environ['SERVER_PORT']
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else:
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if environ['SERVER_PORT'] != '80':
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url += ':' + environ['SERVER_PORT']
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url += quote(environ.get('SCRIPT_NAME', ''))
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url += quote(environ.get('PATH_INFO', ''))
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if environ.get('QUERY_STRING'):
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url += '?' + environ['QUERY_STRING']
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return url
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|
|
def serve(self, environ, start_response):
|
|
if environ["PATH_INFO"].startswith("/static/"):
|
|
return self.serveStatic(environ, start_response)
|
|
|
|
status = '200 OK'
|
|
headers = [('Content-type', 'text/html; charset=utf-8'), ('X-XSS-Protection', '1; mode=block'), ('X-Content-Type-Options', 'nosniff'), ('x-frame-options', 'SAMEORIGIN'), ('Referrer-Policy', 'no-referrer')]
|
|
|
|
d = parse_qs(environ.get('QUERY_STRING', ''))
|
|
name = environ["PATH_INFO"][1:]
|
|
args = [unquote_plus(arg) for arg in
|
|
environ.get('QUERY_STRING', '').split("&")]
|
|
render = "0"
|
|
for arg in args:
|
|
if arg.startswith("render="):
|
|
render = arg[len("render="):]
|
|
|
|
lang = self.getLanguage(args, environ.get("HTTP_ACCEPT_LANGUAGE", ""))
|
|
_ = lang.gettext
|
|
|
|
box_cls = self.boxes.get(name, None)
|
|
if not box_cls:
|
|
start_response(status, headers)
|
|
return self.menu(lang)
|
|
|
|
if name == "TrayLayout2":
|
|
box = box_cls(self, webargs=True)
|
|
else:
|
|
box = box_cls()
|
|
|
|
if render == "0":
|
|
defaults = { }
|
|
for a in args:
|
|
kv = a.split('=')
|
|
if len(kv) == 2:
|
|
k, v = kv
|
|
defaults[k] = html.escape(v, True)
|
|
start_response(status, headers)
|
|
return self.args2html(name, box, lang, "./" + name, defaults=defaults)
|
|
else:
|
|
args = ["--"+ arg for arg in args if not arg.startswith("render=")]
|
|
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)
|
|
layout2 = boxes.generators.traylayout.TrayLayout2(self, webargs=True)
|
|
layout2.argparser.set_defaults(layout=str(box))
|
|
return self.args2html(
|
|
name, layout2, lang, action="TrayLayout2")
|
|
if name == "TrayLayout2":
|
|
try:
|
|
box.parse(box.layout.split("\n"))
|
|
except Exception as e:
|
|
start_response(status, headers)
|
|
return self.errorMessage(name, e, _)
|
|
|
|
try:
|
|
fd, box.output = tempfile.mkstemp()
|
|
box.metadata["url"] = self.getURL(environ)
|
|
box.open()
|
|
box.render()
|
|
box.close()
|
|
except Exception as e:
|
|
if not isinstance(e, ValueError):
|
|
print("Exception during rendering:")
|
|
traceback.print_exc()
|
|
start_response("500 Internal Server Error",
|
|
headers)
|
|
return self.errorMessage(name, e, _)
|
|
|
|
http_headers = box.formats.http_headers.get(
|
|
box.format,
|
|
[('Content-type', 'application/unknown; charset=utf-8')])[:]
|
|
|
|
if box.format != "svg" or render == "2":
|
|
extension = box.format
|
|
if extension == "svg_Ponoko":
|
|
extension = "svg"
|
|
http_headers.append(('Content-Disposition', 'attachment; filename="%s.%s"' % (box.__class__.__name__, extension)))
|
|
start_response(status, http_headers)
|
|
result = open(box.output, 'rb').readlines()
|
|
os.close(fd)
|
|
os.remove(box.output)
|
|
return (l for l in result)
|
|
|
|
|
|
if __name__=="__main__":
|
|
host = ''
|
|
port = 8000
|
|
if len(sys.argv) > 1:
|
|
tmp = sys.argv[1].split(':')
|
|
if len(tmp) == 2:
|
|
host = tmp[0]
|
|
port = int(tmp[1])
|
|
else:
|
|
port = int(tmp[0])
|
|
fc = FileChecker()
|
|
fc.start()
|
|
boxserver = BServer()
|
|
httpd = make_server(host, port, boxserver.serve)
|
|
print("BoxesServer serving on host:port %s:%s..." % (host, port) )
|
|
try:
|
|
httpd.serve_forever()
|
|
except KeyboardInterrupt:
|
|
fc.stop()
|
|
httpd.server_close()
|
|
print("BoxesServer stops.")
|
|
else:
|
|
application = BServer().serve
|
|
|
|
|