1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
# This script shows how to authenticate with OAuth2 with a backend application
# The token is saved to disk in $HOME/.osmapi/token.json
# It can be reused until it's revoked or expired.
# install oauthlib for requests: pip install oauthlib requests-oauthlib
from requests_oauthlib import OAuth2Session
import json
import webbrowser
import osmapi
from dotenv import load_dotenv, find_dotenv
import os
import sys
load_dotenv(find_dotenv())
# Credentials you get from registering a new application
# register here: https://master.apis.dev.openstreetmap.org/oauth2/applications
# or on production: https://www.openstreetmap.org/oauth2/applications
client_id = os.getenv("OSM_OAUTH_CLIENT_ID")
client_secret = os.getenv("OSM_OAUTH_CLIENT_SECRET")
if client_id is None:
raise
if client_secret is None:
raise
# special value for redirect_uri for non-web applications
redirect_uri = "urn:ietf:wg:oauth:2.0:oob"
authorization_base_url = "https://master.apis.dev.openstreetmap.org/oauth2/authorize"
token_url = "https://master.apis.dev.openstreetmap.org/oauth2/token"
scope = ["write_api", "write_notes"]
def get_osmapi_path():
base_dir = ""
if os.getenv("HOME"):
base_dir = os.getenv("HOME")
elif os.getenv("HOMEDRIVE") and os.getenv("HOMEPATH"):
base_dir = os.path.join(os.getenv("HOMEDRIVE"), os.getenv("HOMEPATH"))
elif os.getenv("USERPROFILE"):
base_dir = os.getenv("USERPROFILE")
if not base_dir:
print(
"Unable to find home directory (check env vars HOME, HOMEDRIVE, HOMEPATH and USERPROFILE)", # noqa
file=sys.stderr,
)
raise Exception("Home directory not found")
return os.path.join(base_dir, ".osmapi")
def token_saver(token):
osmapi_path = get_osmapi_path()
token_path = os.path.join(osmapi_path, "token.json")
with open(token_path, "w") as f:
print(f"Saving token {token} to {token_path}")
f.write(json.dumps(token))
def token_loader():
osmapi_path = get_osmapi_path()
token_path = os.path.join(osmapi_path, "token.json")
with open(token_path, "r") as f:
token = json.loads(f.read())
print(f"Loaded token {token} from {token_path}")
return token
def save_and_get_access_token(client_id, client_secret, redirect_uri, scope):
oauth = OAuth2Session(
client_id=client_id,
redirect_uri=redirect_uri,
scope=scope,
)
login_url, _ = oauth.authorization_url(authorization_base_url)
print(f"Authorize user using this URL: {login_url}")
webbrowser.open(login_url)
authorization_code = input("Paste the authorization code here: ")
token = oauth.fetch_token(
token_url=token_url,
client_secret=client_secret,
code=authorization_code,
)
token_saver(token)
return token
def make_osm_change(oauth_session):
api = osmapi.OsmApi(
api="https://api06.dev.openstreetmap.org", session=oauth_session
)
with api.Changeset({"comment": "My first test"}) as changeset_id:
print(f"Part of Changeset {changeset_id}")
node1 = api.NodeCreate({"lon": 1, "lat": 1, "tag": {}})
print(node1)
# load a previously saved token
try:
token = token_loader()
except FileNotFoundError:
print("Token not found, get a new one...")
token = save_and_get_access_token(client_id, client_secret, redirect_uri, scope)
# test the token
try:
oauth_session = OAuth2Session(client_id, token=token)
make_osm_change(oauth_session)
except osmapi.errors.UnauthorizedApiError:
print("Token expired, let's create a new one")
token = save_and_get_access_token(client_id, client_secret, redirect_uri, scope)
oauth_session = OAuth2Session(client_id, token=token)
make_osm_change(oauth_session)
|
