improved web interface, JS download option missing, no storage of files on host system necessary anymore
This commit is contained in:
fordprefect
100
websearch.py
100
websearch.py
@@ -11,6 +11,9 @@ print("Content-type: text/html\n") # makes sure the http connection does not die
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import cgi
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import cgi
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import pathvalidate
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import pathvalidate
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import osmsearch
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import osmsearch
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import datetime
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import random
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import os
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import sys
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import sys
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assert sys.version_info >= (3, 6), "At least Python 3.8 required due to fStrings. Replace all f\"…\" and comment this line to enable running in lower versions (but really, you should just update your Python version…)."
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assert sys.version_info >= (3, 6), "At least Python 3.8 required due to fStrings. Replace all f\"…\" and comment this line to enable running in lower versions (but really, you should just update your Python version…)."
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@@ -25,37 +28,106 @@ args = {
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"limit": 50,
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"limit": 50,
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"use_boundingbox": False,
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"use_boundingbox": False,
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"boundingbox": [],
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"boundingbox": [],
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"outputfilename": None,
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"ignore_ids": [],
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"ignore_ids": [],
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"maxsearchnums": 10,
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"maxsearchnums": 10,
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"url": "https://nominatim.openstreetmap.org/search/",
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"url": "https://nominatim.openstreetmap.org/search/",
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"output": "return",
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}
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}
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immutable_args = ["format", "outputfilename", "url",]
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immutable_args = ["format", "url", "ouput"]
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outputfolder = "downloads"
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DEBUG = False
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#####################################
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#####################################
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######## end of configuration
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######## end of configuration
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#####################################
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#####################################
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def get_arguments():
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"""Wrapper for cgi-environment.
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Takes no options, returns dict of arguments
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"""
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args = cgi.FieldStorage()
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return {i: args.getvalue(i) for i in args}
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# get cgi args and sanitize
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# get cgi args sanitize, and update default args
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cgi_args = get_arguments()
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rawargs = cgi.FieldStorage()
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cgi_args = {i: rawargs.getvalue(i) for i in rawargs}
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del(rawargs)
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parsed_args = {}
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parsed_args = {}
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try:
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try:
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cgi_args["q"] = pathvalidate.sanitize_filename(cgi_args["query"])
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cgi_args["q"] = pathvalidate.sanitize_filename(cgi_args["query"])
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except KeyError:
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except KeyError:
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# no key called "query" found, abort
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if DEBUG:
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# local testing
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cgi_args["q"] = "Camping"
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else:
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# we don't need to exit gracefully, whoever is arriving here has fiddled with the request manually
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exit()
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exit()
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for arg in cgi_args:
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for arg in cgi_args:
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if arg not in immutable_args and arg in args:
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if arg not in immutable_args and arg in args:
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parsed_args[arg] = cgi_args[arg]
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parsed_args[arg] = cgi_args[arg]
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print(parsed_args, " parsed")
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if DEBUG: print("Parsed argument dict: ", parsed_args)
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args.update(cgi_args)
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args.update(cgi_args)
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#status = osmsearch.conduct_search(args)
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# generate output file name from query
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# outputfolder/date-randomnumber.gpx
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if not os.path.isdir(outputfolder):
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os.makedirs(outputfolder)
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outputfilename = f"{outputfolder}/{str(datetime.date.today())}-{str(random.random()).replace('0.', '')}.gpx"
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args["outputfilename"] = outputfilename
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searchresult = osmsearch.OSMSearch(args)
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gpxcontent = searchresult.gpxfile.to_xml()
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gpxcontent_escaped = searchresult.gpxfile.to_xml().replace("\\", "\\\\").replace("'", "\\'").replace('"', '\\"')
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print("""
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<link rel="stylesheet" type="text/css" href="style.css">
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<meta name="robots" content="noindex,nofollow" />
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<title>OSM search to GPX</title>
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<script type='text/javascript'>
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function download_file(filename, text) {
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var element = document.createElement('a');
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element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
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element.setAttribute('download', filename);
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element.style.display = 'none';
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document.body.appendChild(element);
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element.click();
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document.body.removeChild(element);
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}
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</script>
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</head>
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<body class=body>
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<div class=head>
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<h3>Export OSM search to GPX file</h3>
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</div>
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<div class=box>
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<h4>Success</h4>
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Copy file content from here:
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<br>
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<textarea rows=10 cols=80 style="font-family: monospace;">"""
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+ gpxcontent +
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"""</textarea>
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<br><br>
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<a href=index.html>Return to search page</a>
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</div>
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<div class=foot>
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OSMsearchToGPX - ein Service von <a href=https://dukun.de>dukun.de</a>
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</div>
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</body>
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</html>
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""")
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# TODO download button does not work this way!
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#"""</textarea>
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#<br>
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#or <button onclick="download_file('OSMsearch.gpx', '{gpxcontent}')">dowload here</button> (requires enabled JavaScript).
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#
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#<br><br>
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#<a href=index.html>Return to search page</a>
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#
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#</div>
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#<div class=foot>
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#OSMsearchToGPX - ein Service von <a href=https://dukun.de>dukun.de</a>
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#</div>
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#</body>
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#</html>
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#""".format(gpxcontent=gpxcontent_escaped))
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