1
|
|
|
#!/usr/bin/env python3 |
2
|
|
|
|
3
|
|
|
from __future__ import annotations |
4
|
|
|
|
5
|
|
|
import logging |
6
|
|
|
import os |
7
|
|
|
import os.path |
8
|
|
|
from typing import TYPE_CHECKING |
9
|
|
|
|
10
|
|
|
from flask import Flask |
11
|
|
|
|
12
|
|
|
logging.basicConfig() |
13
|
|
|
logger = logging.getLogger("annif") |
14
|
|
|
logger.setLevel(level=logging.INFO) |
15
|
|
|
|
16
|
|
|
import annif.backend # noqa |
17
|
|
|
|
18
|
|
|
if TYPE_CHECKING: |
19
|
|
|
from connexion.apps.flask import FlaskApp |
20
|
|
|
|
21
|
|
|
|
22
|
|
|
def create_flask_app(config_name: str | None = None) -> Flask: |
23
|
|
|
"""Create a Flask app to be used by the CLI.""" |
24
|
|
|
|
25
|
|
|
_set_tensorflow_loglevel() |
26
|
|
|
|
27
|
|
|
app = Flask(__name__) |
28
|
|
|
config_name = _get_config_name(config_name) |
29
|
|
|
logger.debug(f"creating flask app with configuration {config_name}") |
30
|
|
|
app.config.from_object(config_name) |
31
|
|
|
app.config.from_envvar("ANNIF_SETTINGS", silent=True) |
32
|
|
|
return app |
33
|
|
|
|
34
|
|
|
|
35
|
|
|
def create_cx_app(config_name: str | None = None) -> FlaskApp: |
36
|
|
|
"""Create a Connexion app to be used for the API.""" |
37
|
|
|
import connexion |
38
|
|
|
from connexion.datastructures import MediaTypeDict |
39
|
|
|
from connexion.middleware import MiddlewarePosition |
40
|
|
|
from connexion.validators import FormDataValidator, MultiPartFormDataValidator |
41
|
|
|
from starlette.middleware.cors import CORSMiddleware |
42
|
|
|
|
43
|
|
|
import annif.registry |
44
|
|
|
from annif.openapi.validation import CustomRequestBodyValidator |
45
|
|
|
|
46
|
|
|
specdir = os.path.join(os.path.dirname(__file__), "openapi") |
47
|
|
|
cxapp = connexion.FlaskApp(__name__, specification_dir=specdir) |
48
|
|
|
config_name = _get_config_name(config_name) |
49
|
|
|
logger.debug(f"creating connexion app with configuration {config_name}") |
50
|
|
|
cxapp.app.config.from_object(config_name) |
51
|
|
|
cxapp.app.config.from_envvar("ANNIF_SETTINGS", silent=True) |
52
|
|
|
|
53
|
|
|
validator_map = { |
54
|
|
|
"body": MediaTypeDict( |
55
|
|
|
{ |
56
|
|
|
"*/*json": CustomRequestBodyValidator, |
57
|
|
|
"application/x-www-form-urlencoded": FormDataValidator, |
58
|
|
|
"multipart/form-data": MultiPartFormDataValidator, |
59
|
|
|
} |
60
|
|
|
), |
61
|
|
|
} |
62
|
|
|
cxapp.add_api("annif.yaml", validator_map=validator_map) |
63
|
|
|
|
64
|
|
|
# add CORS support |
65
|
|
|
cxapp.add_middleware( |
66
|
|
|
CORSMiddleware, |
67
|
|
|
position=MiddlewarePosition.BEFORE_EXCEPTION, |
68
|
|
|
allow_origins=["*"], |
69
|
|
|
) |
70
|
|
|
|
71
|
|
|
if cxapp.app.config["INITIALIZE_PROJECTS"]: |
72
|
|
|
annif.registry.initialize_projects(cxapp.app) |
73
|
|
|
logger.info("finished initializing projects") |
74
|
|
|
|
75
|
|
|
# register the views via blueprints |
76
|
|
|
from annif.views import bp |
77
|
|
|
|
78
|
|
|
cxapp.app.register_blueprint(bp) |
79
|
|
|
|
80
|
|
|
# return the Connexion app |
81
|
|
|
return cxapp |
82
|
|
|
|
83
|
|
|
|
84
|
|
|
create_app = create_cx_app # Alias to allow starting directly with uvicorn run |
85
|
|
|
|
86
|
|
|
|
87
|
|
|
def _get_config_name(config_name: str | None) -> str: |
88
|
|
|
if config_name is None: |
89
|
|
|
config_name = os.environ.get("ANNIF_CONFIG") |
90
|
|
|
if config_name is None: |
91
|
|
|
if os.environ.get("FLASK_RUN_FROM_CLI") == "true": # pragma: no cover |
92
|
|
|
config_name = "annif.default_config.Config" |
93
|
|
|
else: |
94
|
|
|
config_name = "annif.default_config.ProductionConfig" # pragma: no cover |
95
|
|
|
return config_name |
96
|
|
|
|
97
|
|
|
|
98
|
|
|
def _set_tensorflow_loglevel(): |
99
|
|
|
"""Set TensorFlow log level based on Annif log level (--verbosity/-v |
100
|
|
|
option) using an environment variable. INFO messages by TF are shown only on |
101
|
|
|
DEBUG (or NOTSET) level of Annif.""" |
102
|
|
|
annif_loglevel = logger.getEffectiveLevel() |
103
|
|
|
tf_loglevel_mapping = { |
104
|
|
|
0: "0", # NOTSET |
105
|
|
|
10: "0", # DEBUG |
106
|
|
|
20: "1", # INFO |
107
|
|
|
30: "1", # WARNING |
108
|
|
|
40: "2", # ERROR |
109
|
|
|
50: "3", # CRITICAL |
110
|
|
|
} |
111
|
|
|
tf_loglevel = tf_loglevel_mapping[annif_loglevel] |
112
|
|
|
os.environ.setdefault("TF_CPP_MIN_LOG_LEVEL", tf_loglevel) |
113
|
|
|
|