|
1
|
|
|
""" |
|
2
|
|
|
byceps.config |
|
3
|
|
|
~~~~~~~~~~~~~ |
|
4
|
|
|
|
|
5
|
|
|
:Copyright: 2006-2019 Jochen Kupperschmidt |
|
6
|
|
|
:License: Modified BSD, see LICENSE for details. |
|
7
|
|
|
""" |
|
8
|
|
|
|
|
9
|
|
|
from enum import Enum |
|
10
|
|
|
from typing import Any, Optional |
|
11
|
|
|
|
|
12
|
|
|
from flask import current_app, Flask |
|
13
|
|
|
|
|
14
|
|
|
from .services.site.transfer.models import SiteID |
|
15
|
|
|
|
|
16
|
|
|
|
|
17
|
|
|
EXTENSION_KEY = 'byceps_config' |
|
18
|
|
|
KEY_SITE_MODE = 'site_mode' |
|
19
|
|
|
KEY_SITE_ID = 'site_id' |
|
20
|
|
|
|
|
21
|
|
|
|
|
22
|
|
|
SiteMode = Enum('SiteMode', ['public', 'admin']) |
|
23
|
|
|
SiteMode.is_admin = lambda self: self == SiteMode.admin |
|
24
|
|
|
SiteMode.is_public = lambda self: self == SiteMode.public |
|
25
|
|
|
|
|
26
|
|
|
|
|
27
|
|
|
class ConfigurationError(Exception): |
|
28
|
|
|
pass |
|
29
|
|
|
|
|
30
|
|
|
|
|
31
|
|
|
def init_app(app: Flask) -> None: |
|
32
|
|
|
app.extensions[EXTENSION_KEY] = {} |
|
33
|
|
|
|
|
34
|
|
|
site_mode = _determine_site_mode(app) |
|
35
|
|
|
set_extension_value(KEY_SITE_MODE, site_mode, app) |
|
36
|
|
|
|
|
37
|
|
|
if site_mode.is_public(): |
|
38
|
|
|
site_id = _determine_site_id(app) |
|
39
|
|
|
set_extension_value(KEY_SITE_ID, site_id, app) |
|
40
|
|
|
|
|
41
|
|
|
|
|
42
|
|
|
def get_extension_value(key: str, app: Optional[Flask]=None) -> Any: |
|
43
|
|
|
"""Return the value for the key in this application's own extension |
|
44
|
|
|
namespace. |
|
45
|
|
|
|
|
46
|
|
|
It is expected that the value has already been set. An exception is |
|
47
|
|
|
raised if that is not the case. |
|
48
|
|
|
""" |
|
49
|
|
|
if app is None: |
|
50
|
|
|
app = current_app |
|
51
|
|
|
|
|
52
|
|
|
extension = app.extensions[EXTENSION_KEY] |
|
53
|
|
|
return extension[key] |
|
54
|
|
|
|
|
55
|
|
|
|
|
56
|
|
|
def set_extension_value(key: str, value: Any, app: Flask) -> None: |
|
57
|
|
|
"""Set/replace the value for the key in this application's own |
|
58
|
|
|
extension namespace. |
|
59
|
|
|
""" |
|
60
|
|
|
extension = app.extensions[EXTENSION_KEY] |
|
61
|
|
|
extension[key] = value |
|
62
|
|
|
|
|
63
|
|
|
|
|
64
|
|
|
# -------------------------------------------------------------------- # |
|
65
|
|
|
# site mode |
|
66
|
|
|
|
|
67
|
|
|
|
|
68
|
|
|
def _determine_site_mode(app: Flask) -> SiteMode: |
|
69
|
|
|
value = app.config.get('SITE_MODE') |
|
70
|
|
|
if value is None: |
|
71
|
|
|
raise ConfigurationError('No site mode configured.') |
|
72
|
|
|
|
|
73
|
|
|
try: |
|
74
|
|
|
return SiteMode[value] |
|
75
|
|
|
except KeyError: |
|
76
|
|
|
raise ConfigurationError(f'Invalid site mode "{value}" configured.') |
|
77
|
|
|
|
|
78
|
|
|
|
|
79
|
|
|
def get_site_mode(app: Optional[Flask]=None) -> SiteMode: |
|
80
|
|
|
"""Return the mode the site should run in.""" |
|
81
|
|
|
return get_extension_value(KEY_SITE_MODE, app) |
|
82
|
|
|
|
|
83
|
|
|
|
|
84
|
|
|
# -------------------------------------------------------------------- # |
|
85
|
|
|
# site ID |
|
86
|
|
|
|
|
87
|
|
|
|
|
88
|
|
|
def _determine_site_id(app: Flask) -> SiteID: |
|
89
|
|
|
site_id = app.config.get('SITE_ID') |
|
90
|
|
|
if site_id is None: |
|
91
|
|
|
raise ConfigurationError('No site ID configured.') |
|
92
|
|
|
|
|
93
|
|
|
return site_id |
|
94
|
|
|
|
|
95
|
|
|
|
|
96
|
|
|
def get_current_site_id(app: Optional[Flask]=None) -> SiteID: |
|
97
|
|
|
"""Return the id of the current site.""" |
|
98
|
|
|
return get_extension_value(KEY_SITE_ID, app) |
|
99
|
|
|
|
byceps /
byceps
