forked from bartvdbraak/blender
305 lines
12 KiB
Python
305 lines
12 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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import sys, os, platform, shutil
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import http, http.client, http.server, urllib
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import subprocess, time
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from netrender.utils import *
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import netrender.model
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import netrender.repath
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BLENDER_PATH = sys.argv[0]
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CANCEL_POLL_SPEED = 2
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MAX_TIMEOUT = 10
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INCREMENT_TIMEOUT = 1
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if platform.system() == 'Windows' and platform.version() >= '5': # Error mode is only available on Win2k or higher, that's version 5
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import ctypes
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def SetErrorMode():
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val = ctypes.windll.kernel32.SetErrorMode(0x0002)
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ctypes.windll.kernel32.SetErrorMode(val | 0x0002)
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return val
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def RestoreErrorMode(val):
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ctypes.windll.kernel32.SetErrorMode(val)
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else:
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def SetErrorMode():
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return 0
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def RestoreErrorMode(val):
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pass
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def clearSlave(path):
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shutil.rmtree(path)
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def slave_Info():
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sysname, nodename, release, version, machine, processor = platform.uname()
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slave = netrender.model.RenderSlave()
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slave.name = nodename
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slave.stats = sysname + " " + release + " " + machine + " " + processor
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return slave
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def testCancel(conn, job_id, frame_number):
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conn.request("HEAD", "/status", headers={"job-id":job_id, "job-frame": str(frame_number)})
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# canceled if job isn't found anymore
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if responseStatus(conn) == http.client.NO_CONTENT:
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return True
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else:
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return False
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def testFile(conn, job_id, slave_id, rfile, JOB_PREFIX, main_path = None):
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job_full_path = prefixPath(JOB_PREFIX, rfile.filepath, main_path)
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found = os.path.exists(job_full_path)
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if found:
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found_signature = hashFile(job_full_path)
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found = found_signature == rfile.signature
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if not found:
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print("Found file %s at %s but signature mismatch!" % (rfile.filepath, job_full_path))
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job_full_path = prefixPath(JOB_PREFIX, rfile.filepath, main_path, force = True)
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if not found:
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# Force prefix path if not found
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job_full_path = prefixPath(JOB_PREFIX, rfile.filepath, main_path, force = True)
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temp_path = os.path.join(JOB_PREFIX, "slave.temp")
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conn.request("GET", fileURL(job_id, rfile.index), headers={"slave-id":slave_id})
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response = conn.getresponse()
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if response.status != http.client.OK:
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return None # file for job not returned by server, need to return an error code to server
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f = open(temp_path, "wb")
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buf = response.read(1024)
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while buf:
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f.write(buf)
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buf = response.read(1024)
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f.close()
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os.renames(temp_path, job_full_path)
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rfile.filepath = job_full_path
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return job_full_path
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def render_slave(engine, netsettings, threads):
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timeout = 1
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engine.update_stats("", "Network render node initiation")
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conn = clientConnection(netsettings.server_address, netsettings.server_port)
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if conn:
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conn.request("POST", "/slave", repr(slave_Info().serialize()))
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response = conn.getresponse()
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response.read()
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slave_id = response.getheader("slave-id")
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NODE_PREFIX = os.path.join(netsettings.path, "slave_" + slave_id)
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if not os.path.exists(NODE_PREFIX):
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os.mkdir(NODE_PREFIX)
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engine.update_stats("", "Network render connected to master, waiting for jobs")
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while not engine.test_break():
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conn.request("GET", "/job", headers={"slave-id":slave_id})
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response = conn.getresponse()
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if response.status == http.client.OK:
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timeout = 1 # reset timeout on new job
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job = netrender.model.RenderJob.materialize(eval(str(response.read(), encoding='utf8')))
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engine.update_stats("", "Network render processing job from master")
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JOB_PREFIX = os.path.join(NODE_PREFIX, "job_" + job.id)
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if not os.path.exists(JOB_PREFIX):
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os.mkdir(JOB_PREFIX)
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if job.type == netrender.model.JOB_BLENDER:
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job_path = job.files[0].filepath # path of main file
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main_path, main_file = os.path.split(job_path)
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job_full_path = testFile(conn, job.id, slave_id, job.files[0], JOB_PREFIX)
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print("Fullpath", job_full_path)
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print("File:", main_file, "and %i other files" % (len(job.files) - 1,))
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for rfile in job.files[1:]:
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testFile(conn, job.id, slave_id, rfile, JOB_PREFIX, main_path)
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print("\t", rfile.filepath)
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netrender.repath.update(job)
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engine.update_stats("", "Render File "+ main_file+ " for job "+ job.id)
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# announce log to master
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logfile = netrender.model.LogFile(job.id, slave_id, [frame.number for frame in job.frames])
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conn.request("POST", "/log", bytes(repr(logfile.serialize()), encoding='utf8'))
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response = conn.getresponse()
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response.read()
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first_frame = job.frames[0].number
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# start render
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start_t = time.time()
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if job.type == netrender.model.JOB_BLENDER:
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frame_args = []
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for frame in job.frames:
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print("frame", frame.number)
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frame_args += ["-f", str(frame.number)]
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val = SetErrorMode()
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process = subprocess.Popen([BLENDER_PATH, "-b", "-noaudio", job_full_path, "-t", str(threads), "-o", os.path.join(JOB_PREFIX, "######"), "-E", "BLENDER_RENDER", "-F", "MULTILAYER"] + frame_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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RestoreErrorMode(val)
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elif job.type == netrender.model.JOB_PROCESS:
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command = job.frames[0].command
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val = SetErrorMode()
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process = subprocess.Popen(command.split(" "), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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RestoreErrorMode(val)
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headers = {"slave-id":slave_id}
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cancelled = False
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stdout = bytes()
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run_t = time.time()
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while not cancelled and process.poll() == None:
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stdout += process.stdout.read(1024)
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current_t = time.time()
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cancelled = engine.test_break()
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if current_t - run_t > CANCEL_POLL_SPEED:
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# update logs if needed
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if stdout:
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# (only need to update on one frame, they are linked
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conn.request("PUT", logURL(job.id, first_frame), stdout, headers=headers)
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response = conn.getresponse()
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response.read()
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# Also output on console
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if netsettings.use_slave_output_log:
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print(str(stdout, encoding='utf8'), end="")
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stdout = bytes()
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run_t = current_t
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if testCancel(conn, job.id, first_frame):
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cancelled = True
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if job.type == netrender.model.JOB_BLENDER:
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netrender.repath.reset(job)
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# read leftovers if needed
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stdout += process.stdout.read()
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if cancelled:
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# kill process if needed
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if process.poll() == None:
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try:
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process.terminate()
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except OSError:
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pass
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continue # to next frame
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# flush the rest of the logs
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if stdout:
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# Also output on console
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if netsettings.use_slave_thumb:
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print(str(stdout, encoding='utf8'), end="")
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# (only need to update on one frame, they are linked
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conn.request("PUT", logURL(job.id, first_frame), stdout, headers=headers)
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if responseStatus(conn) == http.client.NO_CONTENT:
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continue
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total_t = time.time() - start_t
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avg_t = total_t / len(job.frames)
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status = process.returncode
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print("status", status)
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headers = {"job-id":job.id, "slave-id":slave_id, "job-time":str(avg_t)}
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if status == 0: # non zero status is error
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headers["job-result"] = str(DONE)
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for frame in job.frames:
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headers["job-frame"] = str(frame.number)
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if job.type == netrender.model.JOB_BLENDER:
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# send image back to server
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filename = os.path.join(JOB_PREFIX, "%06d.exr" % frame.number)
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# thumbnail first
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if netsettings.use_slave_thumb:
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thumbname = thumbnail(filename)
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f = open(thumbname, 'rb')
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conn.request("PUT", "/thumb", f, headers=headers)
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f.close()
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responseStatus(conn)
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f = open(filename, 'rb')
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conn.request("PUT", "/render", f, headers=headers)
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f.close()
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if responseStatus(conn) == http.client.NO_CONTENT:
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continue
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elif job.type == netrender.model.JOB_PROCESS:
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conn.request("PUT", "/render", headers=headers)
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if responseStatus(conn) == http.client.NO_CONTENT:
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continue
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else:
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headers["job-result"] = str(ERROR)
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for frame in job.frames:
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headers["job-frame"] = str(frame.number)
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# send error result back to server
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conn.request("PUT", "/render", headers=headers)
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if responseStatus(conn) == http.client.NO_CONTENT:
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continue
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engine.update_stats("", "Network render connected to master, waiting for jobs")
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else:
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if timeout < MAX_TIMEOUT:
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timeout += INCREMENT_TIMEOUT
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for i in range(timeout):
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time.sleep(1)
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if engine.test_break():
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break
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conn.close()
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if netsettings.use_slave_clear:
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clearSlave(NODE_PREFIX)
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if __name__ == "__main__":
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pass
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