netrender/utils.py

   1 # ##### BEGIN GPL LICENSE BLOCK #####
   2 #
   3 #  This program is free software; you can redistribute it and/or
   4 #  modify it under the terms of the GNU General Public License
   5 #  as published by the Free Software Foundation; either version 2
   6 #  of the License, or (at your option) any later version.
   7 #
   8 #  This program is distributed in the hope that it will be useful,
   9 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 #  GNU General Public License for more details.
  12 #
  13 #  You should have received a copy of the GNU General Public License
  14 #  along with this program; if not, write to the Free Software Foundation,
  15 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16 #
  17 # ##### END GPL LICENSE BLOCK #####
  18
  19 import sys, os, re, platform
  20 import http, http.client, http.server, socket
  21 import subprocess, time, hashlib
  22
  23 import netrender, netrender.model
  24
  25
  26 try:
  27   import bpy
  28 except:
  29   bpy = None
  30
  31 VERSION = bytes(".".join((str(n) for n in netrender.bl_info["version"])), encoding='utf8')
  32
  33 try:
  34     system = platform.system()
  35 except UnicodeDecodeError:
  36     import sys
  37     system = sys.platform
  38
  39
  40 if system == "Darwin":
  41     class ConnectionContext:
  42         def __init__(self, timeout = None):
  43             self.old_timeout = socket.getdefaulttimeout()
  44             self.timeout = timeout
  45
  46         def __enter__(self):
  47             if self.old_timeout != self.timeout:
  48                 socket.setdefaulttimeout(self.timeout)
  49         def __exit__(self, exc_type, exc_value, traceback):
  50             if self.old_timeout != self.timeout:
  51                 socket.setdefaulttimeout(self.old_timeout)
  52 else:
  53     # On sane OSes we can use the connection timeout value correctly
  54     class ConnectionContext:
  55         def __init__(self, timeout = None):
  56             pass
  57
  58         def __enter__(self):
  59             pass
  60
  61         def __exit__(self, exc_type, exc_value, traceback):
  62             pass
  63
  64 if system in {"Windows", "win32"}:
  65     import ctypes
  66     class NoErrorDialogContext:
  67         def __init__(self):
  68             self.val = 0
  69
  70         def __enter__(self):
  71             self.val = ctypes.windll.kernel32.SetErrorMode(0x0002)
  72             ctypes.windll.kernel32.SetErrorMode(self.val | 0x0002)
  73
  74         def __exit__(self, exc_type, exc_value, traceback):
  75             ctypes.windll.kernel32.SetErrorMode(self.val)
  76 else:
  77     class NoErrorDialogContext:
  78         def __init__(self):
  79             pass
  80
  81         def __enter__(self):
  82             pass
  83
  84         def __exit__(self, exc_type, exc_value, traceback):
  85             pass
  86
  87 class DirectoryContext:
  88     def __init__(self, path):
  89         self.path = path
  90
  91     def __enter__(self):
  92         self.curdir = os.path.abspath(os.curdir)
  93         os.chdir(self.path)
  94
  95     def __exit__(self, exc_type, exc_value, traceback):
  96         os.chdir(self.curdir)
  97
  98 class BreakableIncrementedSleep:
  99     def __init__(self, increment, default_timeout, max_timeout, break_fct):
 100         self.increment = increment
 101         self.default = default_timeout
 102         self.max = max_timeout
 103         self.current = self.default
 104         self.break_fct = break_fct
 105
 106     def reset(self):
 107         self.current = self.default
 108
 109     def increase(self):
 110         self.current = min(self.current + self.increment, self.max)
 111
 112     def sleep(self):
 113         for i in range(self.current):
 114             time.sleep(1)
 115             if self.break_fct():
 116                 break
 117
 118         self.increase()
 119
 120 def responseStatus(conn):
 121     with conn.getresponse() as response:
 122         length = int(response.getheader("content-length", "0"))
 123         if length > 0:
 124             response.read()
 125         return response.status
 126
 127 def reporting(report, message, errorType = None):
 128     if errorType:
 129         t = 'ERROR'
 130     else:
 131         t = 'INFO'
 132
 133     if report:
 134         report({t}, message)
 135         return None
 136     elif errorType:
 137         raise errorType(message)
 138     else:
 139         return None
 140
 141 def clientScan(report = None):
 142     try:
 143         s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 144         s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
 145         s.settimeout(30)
 146
 147         s.bind(('', 8000))
 148
 149         buf, address = s.recvfrom(64)
 150
 151         address = address[0]
 152         port = int(str(buf, encoding='utf8'))
 153
 154         reporting(report, "Master server found")
 155
 156         return (address, port)
 157     except socket.timeout:
 158         reporting(report, "No master server on network", IOError)
 159
 160         return ("", 8000) # return default values
 161
 162 def clientConnection(netsettings, report = None, scan = True, timeout = 50):
 163     address = netsettings.server_address
 164     port = netsettings.server_port
 165     use_ssl = netsettings.use_ssl
 166
 167     if address== "[default]":
 168 #            calling operator from python is fucked, scene isn't in context
 169 #            if bpy:
 170 #                bpy.ops.render.netclientscan()
 171 #            else:
 172         if not scan:
 173             return None
 174
 175         address, port = clientScan()
 176         if address == "":
 177             return None
 178     conn = None
 179     try:
 180         HTTPConnection = http.client.HTTPSConnection if use_ssl else http.client.HTTPConnection
 181         if platform.system() == "Darwin":
 182             with ConnectionContext(timeout):
 183                 conn = HTTPConnection(address, port)
 184         else:
 185             conn = HTTPConnection(address, port, timeout = timeout)
 186
 187         if conn:
 188             if clientVerifyVersion(conn, timeout):
 189                 return conn
 190             else:
 191                 conn.close()
 192                 reporting(report, "Incorrect master version", ValueError)
 193     except BaseException as err:
 194         if report:
 195             report({'ERROR'}, str(err))
 196             return None
 197         else:
 198             print(err)
 199             return None
 200
 201 def clientVerifyVersion(conn, timeout):
 202     with ConnectionContext(timeout):
 203         conn.request("GET", "/version")
 204     response = conn.getresponse()
 205
 206     if response.status != http.client.OK:
 207         conn.close()
 208         return False
 209
 210     server_version = response.read()
 211
 212     if server_version != VERSION:
 213         print("Incorrect server version!")
 214         print("expected", str(VERSION, encoding='utf8'), "received", str(server_version, encoding='utf8'))
 215         return False
 216
 217     return True
 218
 219 def fileURL(job_id, file_index):
 220     return "/file_%s_%i" % (job_id, file_index)
 221
 222 def logURL(job_id, frame_number):
 223     return "/log_%s_%i.log" % (job_id, frame_number)
 224
 225 def resultURL(job_id):
 226     return "/result_%s.zip" % job_id
 227
 228 def renderURL(job_id, frame_number):
 229     return "/render_%s_%i.exr" % (job_id, frame_number)
 230
 231 def cancelURL(job_id):
 232     return "/cancel_%s" % (job_id)
 233
 234 def hashFile(path):
 235     f = open(path, "rb")
 236     value = hashData(f.read())
 237     f.close()
 238     return value
 239
 240 def hashData(data):
 241     m = hashlib.md5()
 242     m.update(data)
 243     return m.hexdigest()
 244
 245 def verifyCreateDir(directory_path):
 246     original_path = directory_path
 247     directory_path = os.path.expanduser(directory_path)
 248     directory_path = os.path.expandvars(directory_path)
 249     if not os.path.exists(directory_path):
 250         try:
 251             os.makedirs(directory_path)
 252             print("Created directory:", directory_path)
 253             if original_path != directory_path:
 254                 print("Expanded from the following path:", original_path)
 255         except:
 256             print("Couldn't create directory:", directory_path)
 257             if original_path != directory_path:
 258                 print("Expanded from the following path:", original_path)
 259             raise
 260
 261
 262 def cacheName(ob, point_cache):
 263     name = point_cache.name
 264     if name == "":
 265         name = "".join(["%02X" % ord(c) for c in ob.name])
 266
 267     return name
 268
 269 def cachePath(file_path):
 270     path, name = os.path.split(file_path)
 271     root, ext = os.path.splitext(name)
 272     return path + os.sep + "blendcache_" + root # need an API call for that
 273
 274 # Process dependencies of all objects with user defined functions
 275 #    pointCacheFunction(object, owner, point_cache) (owner is modifier or psys)
 276 #    fluidFunction(object, modifier, cache_path)
 277 #    multiresFunction(object, modifier, cache_path)
 278 def processObjectDependencies(pointCacheFunction, fluidFunction, multiresFunction):
 279     for object in bpy.data.objects:
 280         for modifier in object.modifiers:
 281             if modifier.type == 'FLUID_SIMULATION' and modifier.settings.type == "DOMAIN":
 282                 fluidFunction(object, modifier, bpy.path.abspath(modifier.settings.filepath))
 283             elif modifier.type == "CLOTH":
 284                 pointCacheFunction(object, modifier, modifier.point_cache)
 285             elif modifier.type == "SOFT_BODY":
 286                 pointCacheFunction(object, modifier, modifier.point_cache)
 287             elif modifier.type == "SMOKE" and modifier.smoke_type == "DOMAIN":
 288                 pointCacheFunction(object, modifier, modifier.domain_settings.point_cache)
 289             elif modifier.type == "MULTIRES" and modifier.is_external:
 290                 multiresFunction(object, modifier, bpy.path.abspath(modifier.filepath))
 291             elif modifier.type == "DYNAMIC_PAINT" and modifier.canvas_settings:
 292                 for surface in modifier.canvas_settings.canvas_surfaces:
 293                     pointCacheFunction(object, modifier, surface.point_cache)
 294
 295         # particles modifier are stupid and don't contain data
 296         # we have to go through the object property
 297         for psys in object.particle_systems:
 298             pointCacheFunction(object, psys, psys.point_cache)
 299
 300
 301 def createLocalPath(rfile, prefixdirectory, prefixpath, forcelocal):
 302     filepath = rfile.original_path
 303     prefixpath = os.path.normpath(prefixpath) if prefixpath else None
 304     if (os.path.isabs(filepath) or
 305         filepath[1:3] == ":/" or filepath[1:3] == ":\\" or # Windows absolute path don't count as absolute on unix, have to handle them ourself
 306         filepath[:1] == "/" or filepath[:1] == "\\"): # and vice versa
 307
 308         # if an absolute path, make sure path exists, if it doesn't, use relative local path
 309         finalpath = filepath
 310         if forcelocal or not os.path.exists(finalpath):
 311             path, name = os.path.split(os.path.normpath(finalpath))
 312
 313             # Don't add signatures to cache files, relink fails otherwise
 314             if not name.endswith(".bphys") and not name.endswith(".bobj.gz"):
 315                 name, ext = os.path.splitext(name)
 316                 name = name + "_" + rfile.signature + ext
 317
 318             if prefixpath and path.startswith(prefixpath):
 319                 suffix = ""
 320                 while path != prefixpath:
 321                     path, last = os.path.split(path)
 322                     suffix = os.path.join(last, suffix)
 323
 324                 directory = os.path.join(prefixdirectory, suffix)
 325                 verifyCreateDir(directory)
 326
 327                 finalpath = os.path.join(directory, name)
 328             else:
 329                 finalpath = os.path.join(prefixdirectory, name)
 330     else:
 331         directory, name = os.path.split(filepath)
 332
 333         # Don't add signatures to cache files
 334         if not name.endswith(".bphys") and not name.endswith(".bobj.gz"):
 335             name, ext = os.path.splitext(name)
 336             name = name + "_" + rfile.signature + ext
 337
 338         directory = directory.replace("../")
 339         directory = os.path.join(prefixdirectory, directory)
 340
 341         verifyCreateDir(directory)
 342
 343         finalpath = os.path.join(directory, name)
 344
 345     return finalpath
 346
 347 def getResults(server_address, server_port, job_id, resolution_x, resolution_y, resolution_percentage, frame_ranges):
 348     if bpy.app.debug:
 349         print("=============================================")
 350         print("============= FETCHING RESULTS ==============")
 351
 352     frame_arguments = []
 353     for r in frame_ranges:
 354         if len(r) == 2:
 355             frame_arguments.extend(["-s", str(r[0]), "-e", str(r[1]), "-a"])
 356         else:
 357             frame_arguments.extend(["-f", str(r[0])])
 358
 359     filepath = os.path.join(bpy.app.tempdir, "netrender_temp.blend")
 360     bpy.ops.wm.save_as_mainfile(filepath=filepath, copy=True, check_existing=False)
 361
 362     arguments = (
 363         [bpy.app.binary_path,
 364          "-b",
 365          "-y",
 366          "-noaudio",
 367          filepath,
 368          "-o", bpy.path.abspath(bpy.context.scene.render.filepath),
 369          "-P", __file__,
 370          ] + frame_arguments +
 371         ["--",
 372          "GetResults",
 373          server_address,
 374          str(server_port),
 375          job_id,
 376          str(resolution_x),
 377          str(resolution_y),
 378          str(resolution_percentage),
 379          ]
 380         )
 381     if bpy.app.debug:
 382         print("Starting subprocess:")
 383         print(" ".join(arguments))
 384
 385     process = subprocess.Popen(arguments, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 386     while process.poll() is None:
 387         stdout = process.stdout.read(1024)
 388         if bpy.app.debug:
 389             print(str(stdout, encoding='utf-8'), end="")
 390
 391
 392     # read leftovers if needed
 393     stdout = process.stdout.read()
 394     if bpy.app.debug:
 395         print(str(stdout, encoding='utf-8'))
 396
 397     os.remove(filepath)
 398
 399     if bpy.app.debug:
 400         print("=============================================")
 401     return
 402
 403 def _getResults(server_address, server_port, job_id, resolution_x, resolution_y, resolution_percentage):
 404     render = bpy.context.scene.render
 405
 406     netsettings = bpy.context.scene.network_render
 407
 408     netsettings.server_address = server_address
 409     netsettings.server_port = int(server_port)
 410     netsettings.job_id = job_id
 411
 412     render.engine = 'NET_RENDER'
 413     render.resolution_x = int(resolution_x)
 414     render.resolution_y = int(resolution_y)
 415     render.resolution_percentage = int(resolution_percentage)
 416
 417     render.use_full_sample = False
 418     render.use_compositing = False
 419     render.use_border = False
 420
 421
 422 def getFileInfo(filepath, infos):
 423     process = subprocess.Popen(
 424         [bpy.app.binary_path,
 425          "-b",
 426          "-y",
 427          "-noaudio",
 428          filepath,
 429          "-P", __file__,
 430          "--",
 431          "FileInfo",
 432          ] + infos,
 433         stdout=subprocess.PIPE,
 434         stderr=subprocess.STDOUT,
 435         )
 436     stdout = bytes()
 437     while process.poll() is None:
 438         stdout += process.stdout.read(1024)
 439
 440     # read leftovers if needed
 441     stdout += process.stdout.read()
 442
 443     stdout = str(stdout, encoding="utf8")
 444
 445     values = [eval(v[1:].strip()) for v in stdout.split("\n") if v.startswith("$")]
 446
 447     return values
 448
 449
 450 if __name__ == "__main__":
 451     try:
 452         start = sys.argv.index("--") + 1
 453     except ValueError:
 454         start = 0
 455     action, *args = sys.argv[start:]
 456
 457     if action == "FileInfo":
 458         for info in args:
 459             print("$", eval(info))
 460     elif action == "GetResults":
 461         _getResults(args[0], args[1], args[2], args[3], args[4], args[5])