Pendant upload file

CNCPendant.py

@@ -13,6 +13,7 @@
 import json
 import threading
 import urllib
+import re
 
 try:
 	import urlparse
@@ -101,6 +102,60 @@ def do_GET(self):
 		else:
 			self.mainPage(page[1:])
 
+    #----------------------------------------------------------------------
+	def deal_post_data(self):
+		boundary = self.headers.plisttext.split("=")[1]
+		remainbytes = int(self.headers['content-length'])
+		line = self.rfile.readline()
+		remainbytes -= len(line)
+		if not boundary in line:
+			return (False, "Content NOT begin with boundary")
+		line = self.rfile.readline()
+		remainbytes -= len(line)
+		fn = re.findall(r'Content-Disposition.*name="file"; filename="(.*)"', line)
+		if not fn:
+			return (False, "Can't find out file name...")
+		path = os.path.expanduser("~")
+		path = os.path.join(path, "bCNCUploads")
+		if not os.path.exists(path):
+		    os.makedirs(path)
+		fn = os.path.join(path, fn[0])
+		line = self.rfile.readline()
+		remainbytes -= len(line)
+		line = self.rfile.readline()
+		remainbytes -= len(line)
+		try:
+			out = open(fn, 'wb')
+		except IOError:
+			return (False, "Can't create file to write, do you have permission to write?")
+
+		preline = self.rfile.readline()
+		remainbytes -= len(preline)
+		while remainbytes > 0:
+			line = self.rfile.readline()
+			remainbytes -= len(line)
+			if boundary in line:
+				preline = preline[0:-1]
+				if preline.endswith('\r'):
+					preline = preline[0:-1]
+				out.write(preline)
+				out.close()
+				return (True, "%s" % fn)
+			else:
+				out.write(preline)
+				preline = line
+		return (False, "Unexpected Ends of data.")
+
+
+    #----------------------------------------------------------------------
+	def do_POST(self):
+		result,fMsg=self.deal_post_data()
+		if(result):
+			httpd.app._pendantFileUploaded=fMsg
+		#send empty response so browser does not generate errors
+		self.do_HEAD(200, "text/text")
+
+
 	# ---------------------------------------------------------------------
 	def mainPage(self, page):
 		global prgpath

bCNC.py

@@ -362,6 +362,7 @@ def __init__(self, master, **kw):
 		self._wcsUpdate  = False
 		self._probeUpdate= False
 		self._gUpdate    = False
+		self._pendantFileUploaded = None
 		self.running     = False
 		self._runLines   = 0
 		#self._runLineMap = []
@@ -3952,6 +3953,11 @@ def monitorSerial(self):
 			if self._gcount >= self._runLines:
 				self.runEnded()
 
+		# Load file from pendant
+		if self._pendantFileUploaded!=None:
+			self.load(self._pendantFileUploaded)
+			self._pendantFileUploaded=None
+
 		self.after(MONITOR_AFTER, self.monitorSerial)
 
 	#----------------------------------------------------------------------

index.html

@@ -182,6 +182,20 @@
 	    sendGcode("G90");
     } // sendMove
 
+	function fileChange()
+	{
+	 var formData = new FormData($('#upload-file')[0]);
+	 $.ajax({
+        url: '/upload',  //Server script to process data
+		data: formData,
+		type: 'POST',
+		cache: false,
+        contentType: false,
+        processData: false
+		});
+	}
+
+
     /* PERFORM THESE ACTIONS ONCE THE PAGE HAS LOADED */
     $(document).ready(function () {
     	//set up fast click to handle mobile browser delay
@@ -287,10 +301,16 @@ <h1>bCNC Pendant</h1>
     <br />
 
     <div class="pure-g">
-        <div class="pure-u-1">
+        <div class="pure-u-1-2">
             <span style="padding-top:2px;">Command:</span> 
-            <input id="cmd" size="50" style="width:50%"/>
-            <button onclick="sendCmd(encodeURIComponent($('#cmd').val())); $('#cmd').val('');" class="button">Send</button>
+            <input id="cmd" style="width:75%"/>
+            <button onclick="sendCmd(encodeURIComponent($('#cmd').val())); $('#cmd').val('');" class="button">Send</button>			
+		</div>
+		<div class="pure-u-1-2">
+			<form id="upload-file" style="width:75%" enctype="multipart/form-data">
+			Select file to upload:
+			<input name="file" type="file" onchange="fileChange();" />
+			</form>	
         </div>
     </div>