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<article id="content">
<header>
<h1 class="title">Module <code>tinytroupe.utils.misc</code></h1>
</header>
<section id="section-intro">
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">import hashlib
from typing import Union
AgentOrWorld = Union[&#34;TinyPerson&#34;, &#34;TinyWorld&#34;]

################################################################################
# Other
################################################################################
def first_non_none(*args):
    &#34;&#34;&#34;
    Returns the first non-None argument from the provided arguments.
    
    Args:
        *args: Variable length argument list.
    
    Returns:
        The first non-None argument, or None if all are None.
    &#34;&#34;&#34;
    for arg in args:
        if arg is not None:
            return arg
    return None

def name_or_empty(named_entity: AgentOrWorld):
    &#34;&#34;&#34;
    Returns the name of the specified agent or environment, or an empty string if the agent is None.
    &#34;&#34;&#34;
    if named_entity is None:
        return &#34;&#34;
    else:
        return named_entity.name

def custom_hash(obj):
    &#34;&#34;&#34;
    Returns a hash for the specified object. The object is first converted
    to a string, to make it hashable. This method is deterministic,
    contrary to the built-in hash() function.
    &#34;&#34;&#34;

    return hashlib.sha256(str(obj).encode()).hexdigest()

# Replace the global counter with a dictionary of counters per scope
_fresh_id_counters = {&#34;default&#34;: 0}

def fresh_id(scope=&#34;default&#34;):
    &#34;&#34;&#34;
    Returns a fresh ID for a new object within the specified scope.
    Different scopes have independent ID sequences.
    
    Args:
        scope (str): The scope to generate the ID in. Defaults to &#34;default&#34;.
    
    Returns:
        int: A unique ID within the specified scope.
    &#34;&#34;&#34;
    global _fresh_id_counters
    
    # Initialize the counter for this scope if it doesn&#39;t exist
    if scope not in _fresh_id_counters:
        _fresh_id_counters[scope] = 0
    
    _fresh_id_counters[scope] += 1
    return _fresh_id_counters[scope]

def reset_fresh_id(scope=None):
    &#34;&#34;&#34;
    Resets the fresh ID counter for the specified scope or for all scopes.
    
    Args:
        scope (str, optional): The scope to reset. If None, resets all scopes.
    &#34;&#34;&#34;
    global _fresh_id_counters
    
    if scope is None:
        # Reset all counters
        _fresh_id_counters = {&#34;default&#34;: 0}
    elif scope in _fresh_id_counters:
        # Reset only the specified scope
        _fresh_id_counters[scope] = 0</code></pre>
</details>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-functions">Functions</h2>
<dl>
<dt id="tinytroupe.utils.misc.custom_hash"><code class="name flex">
<span>def <span class="ident">custom_hash</span></span>(<span>obj)</span>
</code></dt>
<dd>
<div class="desc"><p>Returns a hash for the specified object. The object is first converted
to a string, to make it hashable. This method is deterministic,
contrary to the built-in hash() function.</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def custom_hash(obj):
    &#34;&#34;&#34;
    Returns a hash for the specified object. The object is first converted
    to a string, to make it hashable. This method is deterministic,
    contrary to the built-in hash() function.
    &#34;&#34;&#34;

    return hashlib.sha256(str(obj).encode()).hexdigest()</code></pre>
</details>
</dd>
<dt id="tinytroupe.utils.misc.first_non_none"><code class="name flex">
<span>def <span class="ident">first_non_none</span></span>(<span>*args)</span>
</code></dt>
<dd>
<div class="desc"><p>Returns the first non-None argument from the provided arguments.</p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>*args</code></strong></dt>
<dd>Variable length argument list.</dd>
</dl>
<h2 id="returns">Returns</h2>
<p>The first non-None argument, or None if all are None.</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def first_non_none(*args):
    &#34;&#34;&#34;
    Returns the first non-None argument from the provided arguments.
    
    Args:
        *args: Variable length argument list.
    
    Returns:
        The first non-None argument, or None if all are None.
    &#34;&#34;&#34;
    for arg in args:
        if arg is not None:
            return arg
    return None</code></pre>
</details>
</dd>
<dt id="tinytroupe.utils.misc.fresh_id"><code class="name flex">
<span>def <span class="ident">fresh_id</span></span>(<span>scope='default')</span>
</code></dt>
<dd>
<div class="desc"><p>Returns a fresh ID for a new object within the specified scope.
Different scopes have independent ID sequences.</p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>scope</code></strong> :&ensp;<code>str</code></dt>
<dd>The scope to generate the ID in. Defaults to "default".</dd>
</dl>
<h2 id="returns">Returns</h2>
<dl>
<dt><code>int</code></dt>
<dd>A unique ID within the specified scope.</dd>
</dl></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def fresh_id(scope=&#34;default&#34;):
    &#34;&#34;&#34;
    Returns a fresh ID for a new object within the specified scope.
    Different scopes have independent ID sequences.
    
    Args:
        scope (str): The scope to generate the ID in. Defaults to &#34;default&#34;.
    
    Returns:
        int: A unique ID within the specified scope.
    &#34;&#34;&#34;
    global _fresh_id_counters
    
    # Initialize the counter for this scope if it doesn&#39;t exist
    if scope not in _fresh_id_counters:
        _fresh_id_counters[scope] = 0
    
    _fresh_id_counters[scope] += 1
    return _fresh_id_counters[scope]</code></pre>
</details>
</dd>
<dt id="tinytroupe.utils.misc.name_or_empty"><code class="name flex">
<span>def <span class="ident">name_or_empty</span></span>(<span>named_entity: Union[ForwardRef('TinyPerson'), ForwardRef('TinyWorld')])</span>
</code></dt>
<dd>
<div class="desc"><p>Returns the name of the specified agent or environment, or an empty string if the agent is None.</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def name_or_empty(named_entity: AgentOrWorld):
    &#34;&#34;&#34;
    Returns the name of the specified agent or environment, or an empty string if the agent is None.
    &#34;&#34;&#34;
    if named_entity is None:
        return &#34;&#34;
    else:
        return named_entity.name</code></pre>
</details>
</dd>
<dt id="tinytroupe.utils.misc.reset_fresh_id"><code class="name flex">
<span>def <span class="ident">reset_fresh_id</span></span>(<span>scope=None)</span>
</code></dt>
<dd>
<div class="desc"><p>Resets the fresh ID counter for the specified scope or for all scopes.</p>
<h2 id="args">Args</h2>
<dl>
<dt><strong><code>scope</code></strong> :&ensp;<code>str</code>, optional</dt>
<dd>The scope to reset. If None, resets all scopes.</dd>
</dl></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def reset_fresh_id(scope=None):
    &#34;&#34;&#34;
    Resets the fresh ID counter for the specified scope or for all scopes.
    
    Args:
        scope (str, optional): The scope to reset. If None, resets all scopes.
    &#34;&#34;&#34;
    global _fresh_id_counters
    
    if scope is None:
        # Reset all counters
        _fresh_id_counters = {&#34;default&#34;: 0}
    elif scope in _fresh_id_counters:
        # Reset only the specified scope
        _fresh_id_counters[scope] = 0</code></pre>
</details>
</dd>
</dl>
</section>
<section>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="tinytroupe.utils" href="index.html">tinytroupe.utils</a></code></li>
</ul>
</li>
<li><h3><a href="#header-functions">Functions</a></h3>
<ul class="">
<li><code><a title="tinytroupe.utils.misc.custom_hash" href="#tinytroupe.utils.misc.custom_hash">custom_hash</a></code></li>
<li><code><a title="tinytroupe.utils.misc.first_non_none" href="#tinytroupe.utils.misc.first_non_none">first_non_none</a></code></li>
<li><code><a title="tinytroupe.utils.misc.fresh_id" href="#tinytroupe.utils.misc.fresh_id">fresh_id</a></code></li>
<li><code><a title="tinytroupe.utils.misc.name_or_empty" href="#tinytroupe.utils.misc.name_or_empty">name_or_empty</a></code></li>
<li><code><a title="tinytroupe.utils.misc.reset_fresh_id" href="#tinytroupe.utils.misc.reset_fresh_id">reset_fresh_id</a></code></li>
</ul>
</li>
</ul>
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