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Remove global from FastAPI app.py#59772

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Merged
jscheffl merged 2 commits into from
Dec 25, 2025
Merged

Remove global from FastAPI app.py #59772

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Remove global from FastAPI app.py
jscheffl Dec 24, 2025
72c339b
Remove global from FastAPI app.py
jscheffl Dec 24, 2025
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26 changes: 12 additions & 14 deletions airflow-core/src/airflow/api_fastapi/app.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
"""Return cached instance of Airflow API app."""
global app
if not app:
app = create_app(apps=apps)
return app
return create_app(apps=apps)


def purge_cached_app() -> None:
"""Remove the cached version of the app and auth_manager in global state."""
global app, auth_manager
app = None
auth_manager = None
cached_app.cache_clear()
_AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
"""Create the auth manager."""
global auth_manager
auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
return auth_manager
_AuthManagerState.instance = auth_manager_cls()
return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
"""Return the auth manager, provided it's been initialized before."""
if auth_manager is None:
if _AuthManagerState.instance is None:
raise RuntimeError(
"Auth Manager has not been initialized yet. "
"The `init_auth_manager` method needs to be called first."
)
return auth_manager
return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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jscheffl
merged 2 commits into

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Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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 Merged

jscheffl
merged 2 commits into

from

Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
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2 commits


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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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 Merged

jscheffl
merged 2 commits into

from

Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
 Changes from all commits
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2 commits


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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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 Merged

jscheffl
merged 2 commits into

from

Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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 Merged

jscheffl
merged 2 commits into

from

Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
 Changes from all commits
Commits

Show all changes


2 commits


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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

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jscheffl
merged 2 commits into

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Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
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dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
Remove global from FastAPI app.py by jscheffl · Pull Request #59772 · apache/airflow · GitHub
Skip to content
Remove global from FastAPI app.py#59772

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

jscheffl
merged 2 commits into

from

Dec 25, 2025
 Merged


Remove global from FastAPI app.py
#59772
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
dae543d

Remove global from FastAPI app.py


jscheffl Dec 24, 2025
72c339b

Remove global from FastAPI app.py


jscheffl Dec 24, 2025

File filter

Filter by extension
Filter by extension
Conversations

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26 changes: 12 additions & 14 deletions
airflow-core/src/airflow/api_fastapi/app.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@

import logging
from contextlib import AsyncExitStack, asynccontextmanager
from functools import cache
from typing import TYPE_CHECKING, cast
from urllib.parse import urlsplit

Expand DownExpand Up@@ -54,8 +55,9 @@

log = logging.getLogger(__name__)

app: FastAPI | None = None
auth_manager: BaseAuthManager | None = None

class _AuthManagerState:
 instance: BaseAuthManager | None = None


@asynccontextmanager
Expand DownExpand Up@@ -107,19 +109,16 @@ def create_app(apps: str = "all") -> FastAPI:
 return app


@cache
def cached_app(config=None, testing=False, apps="all") -> FastAPI:
 """Return cached instance of Airflow API app."""
 global app
 if not app:
 app = create_app(apps=apps)
 return app
 return create_app(apps=apps)


def purge_cached_app() -> None:
 """Remove the cached version of the app and auth_manager in global state."""
 global app, auth_manager
 app = None
 auth_manager = None
 cached_app.cache_clear()
 _AuthManagerState.instance = None


def get_auth_manager_cls() -> type[BaseAuthManager]:
Expand All@@ -140,10 +139,9 @@ def get_auth_manager_cls() -> type[BaseAuthManager]:

def create_auth_manager() -> BaseAuthManager:
 """Create the auth manager."""
 global auth_manager
 auth_manager_cls = get_auth_manager_cls()
auth_manager = auth_manager_cls()
 return auth_manager
_AuthManagerState.instance = auth_manager_cls()
 return _AuthManagerState.instance


def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:
Expand All@@ -161,12 +159,12 @@ def init_auth_manager(app: FastAPI | None = None) -> BaseAuthManager:

def get_auth_manager() -> BaseAuthManager:
 """Return the auth manager, provided it's been initialized before."""
 if auth_manager is None:
 if _AuthManagerState.instance is None:
 raise RuntimeError(
 "Auth Manager has not been initialized yet. "
 "The `init_auth_manager` method needs to be called first."
 )
 return auth_manager
 return _AuthManagerState.instance


def init_plugins(app: FastAPI) -> None:
Expand Down
Loading