[geneagrapher] 07/226: Copy geneagraph.py to geneagraph-cgi.py file. The new file will contain the cgi version of the geneagrapher interface, and the new command-line interface will be built in the geneagraph.py file.

Sat Jul 11 17:10:30 UTC 2015

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dtorrance-guest pushed a commit to branch master
in repository geneagrapher.

commit d3789d601de439201c914c531ede9b2f6ae3154d
Author: David Alber <alber.david at gmail.com>
Date:   Sun Apr 27 04:01:28 2008 +0000

    Copy geneagraph.py to geneagraph-cgi.py file. The new file will contain the cgi version of the geneagrapher interface, and the new command-line interface will be built in the geneagraph.py file.
---
 src/geneagraph-cgi.py | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/src/geneagraph-cgi.py b/src/geneagraph-cgi.py
new file mode 100644
index 0000000..482eb9b
--- /dev/null
+++ b/src/geneagraph-cgi.py
@@ -0,0 +1,119 @@
+#!/usr/bin/python
+
+import cgi
+import random
+import os
+import time
+from grab import *
+from GGraph import *
+#import cgitb; cgitb.enable() # for debugging, comment out for production
+
+form = cgi.FieldStorage()
+name = form.getfirst("name", "")
+extra = form.getfirst("extra", "")
+nodes = form.getlist("node")
+output = form.getfirst("output", "png")
+
+# Save the input to log file.
+f = open("/var/log/geneagraph", "a")
+f.write(time.strftime('%m/%d/%Y %H:%M:%S'))
+f.write(" ")
+f.write(os.environ['REMOTE_ADDR'])
+f.write("\n")
+if name != "":
+	f.write("\tName: ")
+	f.write(name)
+	f.write("\n")
+if extra != "":
+	f.write("\tExtra: ")
+	f.write(extra)
+	f.write("\n")
+if len(nodes) > 0:
+	f.write("\t")
+	f.write(str(nodes))
+	f.write("\n")
+f.close()
+
+try:
+	if len(name) > 100:
+		raise ValueError("Name field longer than maximum allowed length (100 characters).")
+	if len(extra) > 100:
+		raise ValueError("Extra field longer than maximum allowed length (100 characters).")
+	if len(nodes) > 5:
+	#if len(nodes) > 50:
+		raise ValueError("Only five node URLs may be supplied.")
+
+# Replace special characters in name and extra with backslashed form
+	name = name.replace('\\', '\\\\')
+	name = name.replace('\"', '\\"')
+	extra = extra.replace('\\', '\\\\')
+	extra = extra.replace('"', '\\"')
+
+	record = Record(name, extra, -1, 0)
+
+	printHead = True
+	if name == "" and extra == "":
+		printHead = False
+
+	advisors = []
+	for index in range(len(nodes)):
+		if not nodes[index].isspace():
+			if nodes[index].find('id.php?id=') > -1:
+				id = nodes[index].split('id.php?id=')[1].strip()
+				if id.isdigit():
+					advisors.append(int(id))
+				else:
+					raise ValueError("Node " + str(index+1) + " was improperly formatted.")
+			else:
+				raise ValueError("Node " + str(index+1) + " was improperly formatted.")
+
+		
+	node = Node(record, advisors)
+	graph = Graph(node, printHead)
+
+	for advisor in advisors:
+		extractNodeInformation(advisor, graph)
+
+	fnum = str(int(random.random()*1000000000000000))
+	filename = '/tmp/' + fnum + '.dot'
+	graph.writeDotFile(filename)
+
+	if output == "dot":
+		print "Content-Type: text/html"
+		print
+		print "<html><body><pre>"
+		f = open(filename, "r")
+		file = f.read()
+		f.close()
+		print file
+		print "</pre></body></html>"
+	elif output == "png" or output == "ps":
+		psfilename = '/tmp/' + fnum + '.ps'
+		command = '/usr/local/bin/dot -Tps ' + filename + ' -o ' + psfilename
+		os.system(command)
+		if output == "png":
+			pngfilename = '/tmp/' + fnum + '.png'
+			command = '/usr/bin/convert -density 144 -geometry 50% ' + psfilename + ' ' + pngfilename
+			os.system(command)
+			print "Content-type: image/png"
+			print "Content-Disposition: attachment; filename=genealogy.png"
+			print
+			f = open(pngfilename, "r")
+		elif output == "ps":
+			print "Content-Type: application/postscript"
+			print
+			f = open(psfilename, "r")
+		file = f.read()
+		f.close()
+		print file
+	else: # improper output chosen
+		raise ValueError("Return type was improperly formatted. Go back and check it out.")
+
+	command = '/bin/rm /tmp/' + fnum + '.*'
+	os.system(command)
+
+except ValueError, e:
+	print "Content-type: text/html"
+	print
+	print e, "<br>Go back and check it out."
+	raise SystemExit

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