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| 35 | +<header> |
| 36 | +<h1 class="title">Module <code>slack_sdk.oauth.sqlalchemy_utils</code></h1> |
| 37 | +</header> |
| 38 | +<section id="section-intro"> |
| 39 | +</section> |
| 40 | +<section> |
| 41 | +</section> |
| 42 | +<section> |
| 43 | +</section> |
| 44 | +<section> |
| 45 | +<h2 class="section-title" id="header-functions">Functions</h2> |
| 46 | +<dl> |
| 47 | +<dt id="slack_sdk.oauth.sqlalchemy_utils.normalize_datetime_for_db"><code class="name flex"> |
| 48 | +<span>def <span class="ident">normalize_datetime_for_db</span></span>(<span>dt: datetime.datetime | None) ‑> datetime.datetime | None</span> |
| 49 | +</code></dt> |
| 50 | +<dd> |
| 51 | +<details class="source"> |
| 52 | +<summary> |
| 53 | +<span>Expand source code</span> |
| 54 | +</summary> |
| 55 | +<pre><code class="python">def normalize_datetime_for_db(dt: Optional[datetime]) -> Optional[datetime]: |
| 56 | + """ |
| 57 | + Normalize timezone-aware datetime to naive UTC datetime for database storage. |
| 58 | + |
| 59 | + Ensures compatibility with existing databases using TIMESTAMP WITHOUT TIME ZONE. |
| 60 | + SQLAlchemy DateTime columns without timezone=True create naive timestamp columns |
| 61 | + in databases like PostgreSQL. This function strips timezone information from |
| 62 | + timezone-aware datetimes (which are already in UTC) to enable safe comparisons. |
| 63 | + |
| 64 | + Args: |
| 65 | + dt: A timezone-aware or naive datetime object, or None |
| 66 | + |
| 67 | + Returns: |
| 68 | + A naive datetime in UTC, or None if input is None |
| 69 | + |
| 70 | + Example: |
| 71 | + >>> from datetime import datetime, timezone |
| 72 | + >>> aware_dt = datetime(2024, 1, 1, 12, 0, 0, tzinfo=timezone.utc) |
| 73 | + >>> naive_dt = normalize_datetime_for_db(aware_dt) |
| 74 | + >>> naive_dt.tzinfo is None |
| 75 | + True |
| 76 | + """ |
| 77 | + if dt is None: |
| 78 | + return None |
| 79 | + if dt.tzinfo is not None: |
| 80 | + return dt.replace(tzinfo=None) |
| 81 | + return dt</code></pre> |
| 82 | +</details> |
| 83 | +<div class="desc"><p>Normalize timezone-aware datetime to naive UTC datetime for database storage.</p> |
| 84 | +<p>Ensures compatibility with existing databases using TIMESTAMP WITHOUT TIME ZONE. |
| 85 | +SQLAlchemy DateTime columns without timezone=True create naive timestamp columns |
| 86 | +in databases like PostgreSQL. This function strips timezone information from |
| 87 | +timezone-aware datetimes (which are already in UTC) to enable safe comparisons.</p> |
| 88 | +<h2 id="args">Args</h2> |
| 89 | +<dl> |
| 90 | +<dt><strong><code>dt</code></strong></dt> |
| 91 | +<dd>A timezone-aware or naive datetime object, or None</dd> |
| 92 | +</dl> |
| 93 | +<h2 id="returns">Returns</h2> |
| 94 | +<p>A naive datetime in UTC, or None if input is None</p> |
| 95 | +<h2 id="example">Example</h2> |
| 96 | +<pre><code class="language-python-repl">>>> from datetime import datetime, timezone |
| 97 | +>>> aware_dt = datetime(2024, 1, 1, 12, 0, 0, tzinfo=timezone.utc) |
| 98 | +>>> naive_dt = normalize_datetime_for_db(aware_dt) |
| 99 | +>>> naive_dt.tzinfo is None |
| 100 | +True |
| 101 | +</code></pre></div> |
| 102 | +</dd> |
| 103 | +</dl> |
| 104 | +</section> |
| 105 | +<section> |
| 106 | +</section> |
| 107 | +</article> |
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| 109 | +<div class="toc"> |
| 110 | +<ul></ul> |
| 111 | +</div> |
| 112 | +<ul id="index"> |
| 113 | +<li><h3>Super-module</h3> |
| 114 | +<ul> |
| 115 | +<li><code><a title="slack_sdk.oauth" href="../index.html">slack_sdk.oauth</a></code></li> |
| 116 | +</ul> |
| 117 | +</li> |
| 118 | +<li><h3><a href="#header-functions">Functions</a></h3> |
| 119 | +<ul class=""> |
| 120 | +<li><code><a title="slack_sdk.oauth.sqlalchemy_utils.normalize_datetime_for_db" href="#slack_sdk.oauth.sqlalchemy_utils.normalize_datetime_for_db">normalize_datetime_for_db</a></code></li> |
| 121 | +</ul> |
| 122 | +</li> |
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