added simple image server

py393/imgsrv.py

+#!/usr/bin/python
+from __future__ import division
+from __future__ import print_function
+'''
+# Copyright (C) 2015, Elphel.inc.
+#   
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http:#www.gnu.org/licenses/>.
+
+@author:     Andrey Filippov
+@copyright:  2015 Elphel, Inc.
+@license:    GPLv3.0+
+@contact:    andrey@elphel.coml
+@deffield    updated: Updated
+'''
+__author__ = "Andrey Filippov"
+__copyright__ = "Copyright 2015, Elphel, Inc."
+__license__ = "GPL"
+__version__ = "3.0+"
+__maintainer__ = "Andrey Filippov"
+__email__ = "andrey@elphel.com"
+__status__ = "Development"
+
+import os
+import urlparse
+import time
+import socket
+import shutil
+import sys
+
+path="/www/pages/img.jpeg"
+PORT=8888
+try:
+    qs=urlparse.parse_qs(os.environ['QUERY_STRING'])
+except:
+    print("failed  in os.environ['QUERY_STRING']")
+    qs={}
+
+
+acquisition_parameters={
+        "file_path":    "img.jpeg",
+        "channel":      "0",
+        "cmode":        "0",
+        "bayer":        "None",
+        "y_quality":    "None",
+        "c_quality":    "None",
+        "portrait":     "None",
+        "gamma":        "None",
+        "black":        "None",
+        "colorsat_blue":"None",
+        "colorsat_red": "None",
+        "server_root":  "/www/pages/",
+        "verbose":      "0"}
+for k in qs:
+    if k == "cmode":
+        if qs[k][0].upper() == "JP4":
+            acquisition_parameters[k] = "5"
+        else:
+            acquisition_parameters[k] = "0"
+    else:
+        acquisition_parameters[k] = qs[k][0]
+cmd_str = "jpeg_acquire_write %s %s %s %s %s %s %s %s %s %s %s %s %s"%(
+           str(acquisition_parameters["file_path"]),
+           str(acquisition_parameters["channel"]),
+           str(acquisition_parameters["cmode"]),
+           str(acquisition_parameters["bayer"]),
+           str(acquisition_parameters["y_quality"]),
+           str(acquisition_parameters["c_quality"]),
+           str(acquisition_parameters["portrait"]),
+           str(acquisition_parameters["gamma"]),
+           str(acquisition_parameters["black"]),
+           str(acquisition_parameters["colorsat_blue"]),
+           str(acquisition_parameters["colorsat_red"]),
+           str(acquisition_parameters["server_root"]),
+           str(acquisition_parameters["verbose"]))
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+sock.connect(('localhost', PORT))
+sock.send(cmd_str)
+reply = sock.recv(16384)  # limit reply to 16K
+sock.close()
+
+if (acquisition_parameters["cmode"] =="5"):
+    path = path.replace("jpeg","jp4")
+
+timestamp =str(time.time()).replace(".","_") # later use image timestamp
+print("Content-Type: image/jpeg")
+print("Content-Disposition: inline; filename=\"elphelimg_%s.jpeg\""%(timestamp))
+print("Content-Length: %d\n"%(os.path.getsize(path))) # extra \n
+with open(path, "r") as f:
+    shutil.copyfileobj(f, sys.stdout)
+