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@@ -1,334 +1,371 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | # encoding: utf-8 |
|
2 | # encoding: utf-8 | |
3 | """ |
|
3 | """ | |
4 | The IPython engine application |
|
4 | The IPython engine application | |
5 |
|
5 | |||
6 | Authors: |
|
6 | Authors: | |
7 |
|
7 | |||
8 | * Brian Granger |
|
8 | * Brian Granger | |
9 | * MinRK |
|
9 | * MinRK | |
10 |
|
10 | |||
11 | """ |
|
11 | """ | |
12 |
|
12 | |||
13 | #----------------------------------------------------------------------------- |
|
13 | #----------------------------------------------------------------------------- | |
14 | # Copyright (C) 2008-2011 The IPython Development Team |
|
14 | # Copyright (C) 2008-2011 The IPython Development Team | |
15 | # |
|
15 | # | |
16 | # Distributed under the terms of the BSD License. The full license is in |
|
16 | # Distributed under the terms of the BSD License. The full license is in | |
17 | # the file COPYING, distributed as part of this software. |
|
17 | # the file COPYING, distributed as part of this software. | |
18 | #----------------------------------------------------------------------------- |
|
18 | #----------------------------------------------------------------------------- | |
19 |
|
19 | |||
20 | #----------------------------------------------------------------------------- |
|
20 | #----------------------------------------------------------------------------- | |
21 | # Imports |
|
21 | # Imports | |
22 | #----------------------------------------------------------------------------- |
|
22 | #----------------------------------------------------------------------------- | |
23 |
|
23 | |||
24 | import json |
|
24 | import json | |
25 | import os |
|
25 | import os | |
26 | import sys |
|
26 | import sys | |
27 | import time |
|
27 | import time | |
28 |
|
28 | |||
29 | import zmq |
|
29 | import zmq | |
30 | from zmq.eventloop import ioloop |
|
30 | from zmq.eventloop import ioloop | |
31 |
|
31 | |||
32 | from IPython.core.profiledir import ProfileDir |
|
32 | from IPython.core.profiledir import ProfileDir | |
33 | from IPython.parallel.apps.baseapp import ( |
|
33 | from IPython.parallel.apps.baseapp import ( | |
34 | BaseParallelApplication, |
|
34 | BaseParallelApplication, | |
35 | base_aliases, |
|
35 | base_aliases, | |
36 | base_flags, |
|
36 | base_flags, | |
37 | catch_config_error, |
|
37 | catch_config_error, | |
38 | ) |
|
38 | ) | |
39 | from IPython.zmq.log import EnginePUBHandler |
|
39 | from IPython.zmq.log import EnginePUBHandler | |
40 | from IPython.zmq.ipkernel import Kernel |
|
40 | from IPython.zmq.ipkernel import Kernel, IPKernelApp | |
41 | from IPython.zmq.session import ( |
|
41 | from IPython.zmq.session import ( | |
42 | Session, session_aliases, session_flags |
|
42 | Session, session_aliases, session_flags | |
43 | ) |
|
43 | ) | |
44 |
|
44 | |||
45 | from IPython.config.configurable import Configurable |
|
45 | from IPython.config.configurable import Configurable | |
46 |
|
46 | |||
47 | from IPython.parallel.engine.engine import EngineFactory |
|
47 | from IPython.parallel.engine.engine import EngineFactory | |
48 | from IPython.parallel.util import disambiguate_url |
|
48 | from IPython.parallel.util import disambiguate_url | |
49 |
|
49 | |||
50 | from IPython.utils.importstring import import_item |
|
50 | from IPython.utils.importstring import import_item | |
51 | from IPython.utils.py3compat import cast_bytes |
|
51 | from IPython.utils.py3compat import cast_bytes | |
52 | from IPython.utils.traitlets import Bool, Unicode, Dict, List, Float |
|
52 | from IPython.utils.traitlets import Bool, Unicode, Dict, List, Float, Instance | |
53 |
|
53 | |||
54 |
|
54 | |||
55 | #----------------------------------------------------------------------------- |
|
55 | #----------------------------------------------------------------------------- | |
56 | # Module level variables |
|
56 | # Module level variables | |
57 | #----------------------------------------------------------------------------- |
|
57 | #----------------------------------------------------------------------------- | |
58 |
|
58 | |||
59 | #: The default config file name for this application |
|
59 | #: The default config file name for this application | |
60 | default_config_file_name = u'ipengine_config.py' |
|
60 | default_config_file_name = u'ipengine_config.py' | |
61 |
|
61 | |||
62 | _description = """Start an IPython engine for parallel computing. |
|
62 | _description = """Start an IPython engine for parallel computing. | |
63 |
|
63 | |||
64 | IPython engines run in parallel and perform computations on behalf of a client |
|
64 | IPython engines run in parallel and perform computations on behalf of a client | |
65 | and controller. A controller needs to be started before the engines. The |
|
65 | and controller. A controller needs to be started before the engines. The | |
66 | engine can be configured using command line options or using a cluster |
|
66 | engine can be configured using command line options or using a cluster | |
67 | directory. Cluster directories contain config, log and security files and are |
|
67 | directory. Cluster directories contain config, log and security files and are | |
68 | usually located in your ipython directory and named as "profile_name". |
|
68 | usually located in your ipython directory and named as "profile_name". | |
69 | See the `profile` and `profile-dir` options for details. |
|
69 | See the `profile` and `profile-dir` options for details. | |
70 | """ |
|
70 | """ | |
71 |
|
71 | |||
72 | _examples = """ |
|
72 | _examples = """ | |
73 | ipengine --ip=192.168.0.1 --port=1000 # connect to hub at ip and port |
|
73 | ipengine --ip=192.168.0.1 --port=1000 # connect to hub at ip and port | |
74 | ipengine --log-to-file --log-level=DEBUG # log to a file with DEBUG verbosity |
|
74 | ipengine --log-to-file --log-level=DEBUG # log to a file with DEBUG verbosity | |
75 | """ |
|
75 | """ | |
76 |
|
76 | |||
77 | #----------------------------------------------------------------------------- |
|
77 | #----------------------------------------------------------------------------- | |
78 | # MPI configuration |
|
78 | # MPI configuration | |
79 | #----------------------------------------------------------------------------- |
|
79 | #----------------------------------------------------------------------------- | |
80 |
|
80 | |||
81 | mpi4py_init = """from mpi4py import MPI as mpi |
|
81 | mpi4py_init = """from mpi4py import MPI as mpi | |
82 | mpi.size = mpi.COMM_WORLD.Get_size() |
|
82 | mpi.size = mpi.COMM_WORLD.Get_size() | |
83 | mpi.rank = mpi.COMM_WORLD.Get_rank() |
|
83 | mpi.rank = mpi.COMM_WORLD.Get_rank() | |
84 | """ |
|
84 | """ | |
85 |
|
85 | |||
86 |
|
86 | |||
87 | pytrilinos_init = """from PyTrilinos import Epetra |
|
87 | pytrilinos_init = """from PyTrilinos import Epetra | |
88 | class SimpleStruct: |
|
88 | class SimpleStruct: | |
89 | pass |
|
89 | pass | |
90 | mpi = SimpleStruct() |
|
90 | mpi = SimpleStruct() | |
91 | mpi.rank = 0 |
|
91 | mpi.rank = 0 | |
92 | mpi.size = 0 |
|
92 | mpi.size = 0 | |
93 | """ |
|
93 | """ | |
94 |
|
94 | |||
95 | class MPI(Configurable): |
|
95 | class MPI(Configurable): | |
96 | """Configurable for MPI initialization""" |
|
96 | """Configurable for MPI initialization""" | |
97 | use = Unicode('', config=True, |
|
97 | use = Unicode('', config=True, | |
98 | help='How to enable MPI (mpi4py, pytrilinos, or empty string to disable).' |
|
98 | help='How to enable MPI (mpi4py, pytrilinos, or empty string to disable).' | |
99 | ) |
|
99 | ) | |
100 |
|
100 | |||
101 | def _use_changed(self, name, old, new): |
|
101 | def _use_changed(self, name, old, new): | |
102 | # load default init script if it's not set |
|
102 | # load default init script if it's not set | |
103 | if not self.init_script: |
|
103 | if not self.init_script: | |
104 | self.init_script = self.default_inits.get(new, '') |
|
104 | self.init_script = self.default_inits.get(new, '') | |
105 |
|
105 | |||
106 | init_script = Unicode('', config=True, |
|
106 | init_script = Unicode('', config=True, | |
107 | help="Initialization code for MPI") |
|
107 | help="Initialization code for MPI") | |
108 |
|
108 | |||
109 | default_inits = Dict({'mpi4py' : mpi4py_init, 'pytrilinos':pytrilinos_init}, |
|
109 | default_inits = Dict({'mpi4py' : mpi4py_init, 'pytrilinos':pytrilinos_init}, | |
110 | config=True) |
|
110 | config=True) | |
111 |
|
111 | |||
112 |
|
112 | |||
113 | #----------------------------------------------------------------------------- |
|
113 | #----------------------------------------------------------------------------- | |
114 | # Main application |
|
114 | # Main application | |
115 | #----------------------------------------------------------------------------- |
|
115 | #----------------------------------------------------------------------------- | |
116 | aliases = dict( |
|
116 | aliases = dict( | |
117 | file = 'IPEngineApp.url_file', |
|
117 | file = 'IPEngineApp.url_file', | |
118 | c = 'IPEngineApp.startup_command', |
|
118 | c = 'IPEngineApp.startup_command', | |
119 | s = 'IPEngineApp.startup_script', |
|
119 | s = 'IPEngineApp.startup_script', | |
120 |
|
120 | |||
121 | url = 'EngineFactory.url', |
|
121 | url = 'EngineFactory.url', | |
122 | ssh = 'EngineFactory.sshserver', |
|
122 | ssh = 'EngineFactory.sshserver', | |
123 | sshkey = 'EngineFactory.sshkey', |
|
123 | sshkey = 'EngineFactory.sshkey', | |
124 | ip = 'EngineFactory.ip', |
|
124 | ip = 'EngineFactory.ip', | |
125 | transport = 'EngineFactory.transport', |
|
125 | transport = 'EngineFactory.transport', | |
126 | port = 'EngineFactory.regport', |
|
126 | port = 'EngineFactory.regport', | |
127 | location = 'EngineFactory.location', |
|
127 | location = 'EngineFactory.location', | |
128 |
|
128 | |||
129 | timeout = 'EngineFactory.timeout', |
|
129 | timeout = 'EngineFactory.timeout', | |
130 |
|
130 | |||
131 | mpi = 'MPI.use', |
|
131 | mpi = 'MPI.use', | |
132 |
|
132 | |||
133 | ) |
|
133 | ) | |
134 | aliases.update(base_aliases) |
|
134 | aliases.update(base_aliases) | |
135 | aliases.update(session_aliases) |
|
135 | aliases.update(session_aliases) | |
136 | flags = {} |
|
136 | flags = {} | |
137 | flags.update(base_flags) |
|
137 | flags.update(base_flags) | |
138 | flags.update(session_flags) |
|
138 | flags.update(session_flags) | |
139 |
|
139 | |||
140 | class IPEngineApp(BaseParallelApplication): |
|
140 | class IPEngineApp(BaseParallelApplication): | |
141 |
|
141 | |||
142 | name = 'ipengine' |
|
142 | name = 'ipengine' | |
143 | description = _description |
|
143 | description = _description | |
144 | examples = _examples |
|
144 | examples = _examples | |
145 | config_file_name = Unicode(default_config_file_name) |
|
145 | config_file_name = Unicode(default_config_file_name) | |
146 | classes = List([ProfileDir, Session, EngineFactory, Kernel, MPI]) |
|
146 | classes = List([ProfileDir, Session, EngineFactory, Kernel, MPI]) | |
147 |
|
147 | |||
148 | startup_script = Unicode(u'', config=True, |
|
148 | startup_script = Unicode(u'', config=True, | |
149 | help='specify a script to be run at startup') |
|
149 | help='specify a script to be run at startup') | |
150 | startup_command = Unicode('', config=True, |
|
150 | startup_command = Unicode('', config=True, | |
151 | help='specify a command to be run at startup') |
|
151 | help='specify a command to be run at startup') | |
152 |
|
152 | |||
153 | url_file = Unicode(u'', config=True, |
|
153 | url_file = Unicode(u'', config=True, | |
154 | help="""The full location of the file containing the connection information for |
|
154 | help="""The full location of the file containing the connection information for | |
155 | the controller. If this is not given, the file must be in the |
|
155 | the controller. If this is not given, the file must be in the | |
156 | security directory of the cluster directory. This location is |
|
156 | security directory of the cluster directory. This location is | |
157 | resolved using the `profile` or `profile_dir` options.""", |
|
157 | resolved using the `profile` or `profile_dir` options.""", | |
158 | ) |
|
158 | ) | |
159 | wait_for_url_file = Float(5, config=True, |
|
159 | wait_for_url_file = Float(5, config=True, | |
160 | help="""The maximum number of seconds to wait for url_file to exist. |
|
160 | help="""The maximum number of seconds to wait for url_file to exist. | |
161 | This is useful for batch-systems and shared-filesystems where the |
|
161 | This is useful for batch-systems and shared-filesystems where the | |
162 | controller and engine are started at the same time and it |
|
162 | controller and engine are started at the same time and it | |
163 | may take a moment for the controller to write the connector files.""") |
|
163 | may take a moment for the controller to write the connector files.""") | |
164 |
|
164 | |||
165 | url_file_name = Unicode(u'ipcontroller-engine.json', config=True) |
|
165 | url_file_name = Unicode(u'ipcontroller-engine.json', config=True) | |
166 |
|
166 | |||
167 | def _cluster_id_changed(self, name, old, new): |
|
167 | def _cluster_id_changed(self, name, old, new): | |
168 | if new: |
|
168 | if new: | |
169 | base = 'ipcontroller-%s' % new |
|
169 | base = 'ipcontroller-%s' % new | |
170 | else: |
|
170 | else: | |
171 | base = 'ipcontroller' |
|
171 | base = 'ipcontroller' | |
172 | self.url_file_name = "%s-engine.json" % base |
|
172 | self.url_file_name = "%s-engine.json" % base | |
173 |
|
173 | |||
174 | log_url = Unicode('', config=True, |
|
174 | log_url = Unicode('', config=True, | |
175 | help="""The URL for the iploggerapp instance, for forwarding |
|
175 | help="""The URL for the iploggerapp instance, for forwarding | |
176 | logging to a central location.""") |
|
176 | logging to a central location.""") | |
|
177 | ||||
|
178 | # an IPKernelApp instance, used to setup listening for shell frontends | |||
|
179 | kernel_app = Instance(IPKernelApp) | |||
177 |
|
180 | |||
178 | aliases = Dict(aliases) |
|
181 | aliases = Dict(aliases) | |
179 | flags = Dict(flags) |
|
182 | flags = Dict(flags) | |
180 |
|
183 | |||
181 | @property |
|
184 | @property | |
182 | def kernel(self): |
|
185 | def kernel(self): | |
183 | """allow access to the Kernel object, so I look like IPKernelApp""" |
|
186 | """allow access to the Kernel object, so I look like IPKernelApp""" | |
184 | return self.engine.kernel |
|
187 | return self.engine.kernel | |
185 |
|
188 | |||
186 | def find_url_file(self): |
|
189 | def find_url_file(self): | |
187 | """Set the url file. |
|
190 | """Set the url file. | |
188 |
|
191 | |||
189 | Here we don't try to actually see if it exists for is valid as that |
|
192 | Here we don't try to actually see if it exists for is valid as that | |
190 | is hadled by the connection logic. |
|
193 | is hadled by the connection logic. | |
191 | """ |
|
194 | """ | |
192 | config = self.config |
|
195 | config = self.config | |
193 | # Find the actual controller key file |
|
196 | # Find the actual controller key file | |
194 | if not self.url_file: |
|
197 | if not self.url_file: | |
195 | self.url_file = os.path.join( |
|
198 | self.url_file = os.path.join( | |
196 | self.profile_dir.security_dir, |
|
199 | self.profile_dir.security_dir, | |
197 | self.url_file_name |
|
200 | self.url_file_name | |
198 | ) |
|
201 | ) | |
199 |
|
202 | |||
200 | def load_connector_file(self): |
|
203 | def load_connector_file(self): | |
201 | """load config from a JSON connector file, |
|
204 | """load config from a JSON connector file, | |
202 | at a *lower* priority than command-line/config files. |
|
205 | at a *lower* priority than command-line/config files. | |
203 | """ |
|
206 | """ | |
204 |
|
207 | |||
205 | self.log.info("Loading url_file %r", self.url_file) |
|
208 | self.log.info("Loading url_file %r", self.url_file) | |
206 | config = self.config |
|
209 | config = self.config | |
207 |
|
210 | |||
208 | with open(self.url_file) as f: |
|
211 | with open(self.url_file) as f: | |
209 | d = json.loads(f.read()) |
|
212 | d = json.loads(f.read()) | |
210 |
|
213 | |||
211 | if 'exec_key' in d: |
|
214 | if 'exec_key' in d: | |
212 | config.Session.key = cast_bytes(d['exec_key']) |
|
215 | config.Session.key = cast_bytes(d['exec_key']) | |
213 |
|
216 | |||
214 | try: |
|
217 | try: | |
215 | config.EngineFactory.location |
|
218 | config.EngineFactory.location | |
216 | except AttributeError: |
|
219 | except AttributeError: | |
217 | config.EngineFactory.location = d['location'] |
|
220 | config.EngineFactory.location = d['location'] | |
218 |
|
221 | |||
219 | d['url'] = disambiguate_url(d['url'], config.EngineFactory.location) |
|
222 | d['url'] = disambiguate_url(d['url'], config.EngineFactory.location) | |
220 | try: |
|
223 | try: | |
221 | config.EngineFactory.url |
|
224 | config.EngineFactory.url | |
222 | except AttributeError: |
|
225 | except AttributeError: | |
223 | config.EngineFactory.url = d['url'] |
|
226 | config.EngineFactory.url = d['url'] | |
224 |
|
227 | |||
225 | try: |
|
228 | try: | |
226 | config.EngineFactory.sshserver |
|
229 | config.EngineFactory.sshserver | |
227 | except AttributeError: |
|
230 | except AttributeError: | |
228 | config.EngineFactory.sshserver = d['ssh'] |
|
231 | config.EngineFactory.sshserver = d['ssh'] | |
|
232 | ||||
|
233 | def listen_kernel(self): | |||
|
234 | """setup engine as listening Kernel, for frontends""" | |||
|
235 | if self.kernel_app is not None: | |||
|
236 | return | |||
|
237 | ||||
|
238 | self.log.info("Opening ports for direct connections") | |||
|
239 | ||||
|
240 | kernel = self.kernel | |||
|
241 | ||||
|
242 | app = self.kernel_app = IPKernelApp(log=self.log, config=self.config, | |||
|
243 | profile_dir = self.profile_dir, | |||
|
244 | session=self.engine.session, | |||
|
245 | ) | |||
|
246 | app.init_connection_file() | |||
|
247 | # relevant contents of init_sockets: | |||
|
248 | ||||
|
249 | app.shell_port = app._bind_socket(kernel.shell_streams[0], app.shell_port) | |||
|
250 | app.log.debug("shell ROUTER Channel on port: %i", app.shell_port) | |||
229 |
|
251 | |||
|
252 | app.iopub_port = app._bind_socket(kernel.iopub_socket, app.iopub_port) | |||
|
253 | app.log.debug("iopub PUB Channel on port: %i", app.iopub_port) | |||
|
254 | ||||
|
255 | kernel.stdin_socket = self.engine.context.socket(zmq.ROUTER) | |||
|
256 | app.stdin_port = app._bind_socket(kernel.stdin_socket, app.stdin_port) | |||
|
257 | app.log.debug("stdin ROUTER Channel on port: %i", app.stdin_port) | |||
|
258 | ||||
|
259 | # start the heartbeat, and log connection info: | |||
|
260 | ||||
|
261 | app.init_heartbeat() | |||
|
262 | ||||
|
263 | app.log_connection_info() | |||
|
264 | app.write_connection_file() | |||
|
265 | ||||
|
266 | ||||
230 | def init_engine(self): |
|
267 | def init_engine(self): | |
231 | # This is the working dir by now. |
|
268 | # This is the working dir by now. | |
232 | sys.path.insert(0, '') |
|
269 | sys.path.insert(0, '') | |
233 | config = self.config |
|
270 | config = self.config | |
234 | # print config |
|
271 | # print config | |
235 | self.find_url_file() |
|
272 | self.find_url_file() | |
236 |
|
273 | |||
237 | # was the url manually specified? |
|
274 | # was the url manually specified? | |
238 | keys = set(self.config.EngineFactory.keys()) |
|
275 | keys = set(self.config.EngineFactory.keys()) | |
239 | keys = keys.union(set(self.config.RegistrationFactory.keys())) |
|
276 | keys = keys.union(set(self.config.RegistrationFactory.keys())) | |
240 |
|
277 | |||
241 | if keys.intersection(set(['ip', 'url', 'port'])): |
|
278 | if keys.intersection(set(['ip', 'url', 'port'])): | |
242 | # Connection info was specified, don't wait for the file |
|
279 | # Connection info was specified, don't wait for the file | |
243 | url_specified = True |
|
280 | url_specified = True | |
244 | self.wait_for_url_file = 0 |
|
281 | self.wait_for_url_file = 0 | |
245 | else: |
|
282 | else: | |
246 | url_specified = False |
|
283 | url_specified = False | |
247 |
|
284 | |||
248 | if self.wait_for_url_file and not os.path.exists(self.url_file): |
|
285 | if self.wait_for_url_file and not os.path.exists(self.url_file): | |
249 | self.log.warn("url_file %r not found", self.url_file) |
|
286 | self.log.warn("url_file %r not found", self.url_file) | |
250 | self.log.warn("Waiting up to %.1f seconds for it to arrive.", self.wait_for_url_file) |
|
287 | self.log.warn("Waiting up to %.1f seconds for it to arrive.", self.wait_for_url_file) | |
251 | tic = time.time() |
|
288 | tic = time.time() | |
252 | while not os.path.exists(self.url_file) and (time.time()-tic < self.wait_for_url_file): |
|
289 | while not os.path.exists(self.url_file) and (time.time()-tic < self.wait_for_url_file): | |
253 | # wait for url_file to exist, or until time limit |
|
290 | # wait for url_file to exist, or until time limit | |
254 | time.sleep(0.1) |
|
291 | time.sleep(0.1) | |
255 |
|
292 | |||
256 | if os.path.exists(self.url_file): |
|
293 | if os.path.exists(self.url_file): | |
257 | self.load_connector_file() |
|
294 | self.load_connector_file() | |
258 | elif not url_specified: |
|
295 | elif not url_specified: | |
259 | self.log.fatal("Fatal: url file never arrived: %s", self.url_file) |
|
296 | self.log.fatal("Fatal: url file never arrived: %s", self.url_file) | |
260 | self.exit(1) |
|
297 | self.exit(1) | |
261 |
|
298 | |||
262 |
|
299 | |||
263 | try: |
|
300 | try: | |
264 | exec_lines = config.Kernel.exec_lines |
|
301 | exec_lines = config.Kernel.exec_lines | |
265 | except AttributeError: |
|
302 | except AttributeError: | |
266 | config.Kernel.exec_lines = [] |
|
303 | config.Kernel.exec_lines = [] | |
267 | exec_lines = config.Kernel.exec_lines |
|
304 | exec_lines = config.Kernel.exec_lines | |
268 |
|
305 | |||
269 | if self.startup_script: |
|
306 | if self.startup_script: | |
270 | enc = sys.getfilesystemencoding() or 'utf8' |
|
307 | enc = sys.getfilesystemencoding() or 'utf8' | |
271 | cmd="execfile(%r)" % self.startup_script.encode(enc) |
|
308 | cmd="execfile(%r)" % self.startup_script.encode(enc) | |
272 | exec_lines.append(cmd) |
|
309 | exec_lines.append(cmd) | |
273 | if self.startup_command: |
|
310 | if self.startup_command: | |
274 | exec_lines.append(self.startup_command) |
|
311 | exec_lines.append(self.startup_command) | |
275 |
|
312 | |||
276 | # Create the underlying shell class and Engine |
|
313 | # Create the underlying shell class and Engine | |
277 | # shell_class = import_item(self.master_config.Global.shell_class) |
|
314 | # shell_class = import_item(self.master_config.Global.shell_class) | |
278 | # print self.config |
|
315 | # print self.config | |
279 | try: |
|
316 | try: | |
280 | self.engine = EngineFactory(config=config, log=self.log) |
|
317 | self.engine = EngineFactory(config=config, log=self.log) | |
281 | except: |
|
318 | except: | |
282 | self.log.error("Couldn't start the Engine", exc_info=True) |
|
319 | self.log.error("Couldn't start the Engine", exc_info=True) | |
283 | self.exit(1) |
|
320 | self.exit(1) | |
284 |
|
321 | |||
285 | def forward_logging(self): |
|
322 | def forward_logging(self): | |
286 | if self.log_url: |
|
323 | if self.log_url: | |
287 | self.log.info("Forwarding logging to %s", self.log_url) |
|
324 | self.log.info("Forwarding logging to %s", self.log_url) | |
288 | context = self.engine.context |
|
325 | context = self.engine.context | |
289 | lsock = context.socket(zmq.PUB) |
|
326 | lsock = context.socket(zmq.PUB) | |
290 | lsock.connect(self.log_url) |
|
327 | lsock.connect(self.log_url) | |
291 | handler = EnginePUBHandler(self.engine, lsock) |
|
328 | handler = EnginePUBHandler(self.engine, lsock) | |
292 | handler.setLevel(self.log_level) |
|
329 | handler.setLevel(self.log_level) | |
293 | self.log.addHandler(handler) |
|
330 | self.log.addHandler(handler) | |
294 |
|
331 | |||
295 | def init_mpi(self): |
|
332 | def init_mpi(self): | |
296 | global mpi |
|
333 | global mpi | |
297 | self.mpi = MPI(config=self.config) |
|
334 | self.mpi = MPI(config=self.config) | |
298 |
|
335 | |||
299 | mpi_import_statement = self.mpi.init_script |
|
336 | mpi_import_statement = self.mpi.init_script | |
300 | if mpi_import_statement: |
|
337 | if mpi_import_statement: | |
301 | try: |
|
338 | try: | |
302 | self.log.info("Initializing MPI:") |
|
339 | self.log.info("Initializing MPI:") | |
303 | self.log.info(mpi_import_statement) |
|
340 | self.log.info(mpi_import_statement) | |
304 | exec mpi_import_statement in globals() |
|
341 | exec mpi_import_statement in globals() | |
305 | except: |
|
342 | except: | |
306 | mpi = None |
|
343 | mpi = None | |
307 | else: |
|
344 | else: | |
308 | mpi = None |
|
345 | mpi = None | |
309 |
|
346 | |||
310 | @catch_config_error |
|
347 | @catch_config_error | |
311 | def initialize(self, argv=None): |
|
348 | def initialize(self, argv=None): | |
312 | super(IPEngineApp, self).initialize(argv) |
|
349 | super(IPEngineApp, self).initialize(argv) | |
313 | self.init_mpi() |
|
350 | self.init_mpi() | |
314 | self.init_engine() |
|
351 | self.init_engine() | |
315 | self.forward_logging() |
|
352 | self.forward_logging() | |
316 |
|
353 | |||
317 | def start(self): |
|
354 | def start(self): | |
318 | self.engine.start() |
|
355 | self.engine.start() | |
319 | try: |
|
356 | try: | |
320 | self.engine.loop.start() |
|
357 | self.engine.loop.start() | |
321 | except KeyboardInterrupt: |
|
358 | except KeyboardInterrupt: | |
322 | self.log.critical("Engine Interrupted, shutting down...\n") |
|
359 | self.log.critical("Engine Interrupted, shutting down...\n") | |
323 |
|
360 | |||
324 |
|
361 | |||
325 | def launch_new_instance(): |
|
362 | def launch_new_instance(): | |
326 | """Create and run the IPython engine""" |
|
363 | """Create and run the IPython engine""" | |
327 | app = IPEngineApp.instance() |
|
364 | app = IPEngineApp.instance() | |
328 | app.initialize() |
|
365 | app.initialize() | |
329 | app.start() |
|
366 | app.start() | |
330 |
|
367 | |||
331 |
|
368 | |||
332 | if __name__ == '__main__': |
|
369 | if __name__ == '__main__': | |
333 | launch_new_instance() |
|
370 | launch_new_instance() | |
334 |
|
371 |
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