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Bytes

pull/36/head
Jure Šorn 5 years ago
parent
commit
0e9cbd3026
2 changed files with 18 additions and 16 deletions
  1. 17
      README.md
  2. 17
      index.html

17
README.md

@ -303,7 +303,7 @@ String
<list> = <str>.split() # Splits on one or more whitespace characters.
<list> = <str>.split(sep=None, maxsplit=-1) # Splits on 'sep' str at most 'maxsplit' times.
<list> = <str>.splitlines(keepends=False) # Splits on line breaks. Keeps them if 'keepends'.
<str> = <str>.join(<collection>) # Joins elements using string as separator.
<str> = <str>.join(<coll_of_strings>) # Joins elements using string as separator.
```
```python
@ -1475,23 +1475,24 @@ Bytes
**Bytes object is an immutable sequence of single bytes. Mutable version is called 'bytearray'.**
```python
<bytes> = b'<str>'
<int> = <bytes>[<index>]
<bytes> = <bytes>[<slice>]
<ints> = list(<bytes>)
<bytes> = b''.join(<coll_of_bytes>)
<bytes> = b'<str>' # Only accepts ASCII characters and \x00 - \xff.
<int> = <bytes>[<index>] # Returns int in range from 0 to 255.
<bytes> = <bytes>[<slice>] # Returns bytes even if it has only one element.
<bytes> = <bytes>.join(<coll_of_bytes>) # Joins elements using bytes object as separator.
```
### Encode
```python
<bytes> = <str>.encode(encoding='utf-8')
<bytes> = <str>.encode('utf-8') # Or: bytes(<str>, 'utf-8')
<bytes> = bytes(<coll_of_ints>) # Ints must be in range from 0 to 255.
<bytes> = <int>.to_bytes(<length>, byteorder='big|little', signed=False)
<bytes> = bytes.fromhex('<hex>')
```
### Decode
```python
<str> = <bytes>.decode(encoding='utf-8')
<str> = <bytes>.decode('utf-8') # Or: str(<bytes>, 'utf-8')
<list> = list(<bytes>) # Returns ints in range from 0 to 255.
<int> = int.from_bytes(<bytes>, byteorder='big|little', signed=False)
'<hex>' = <bytes>.hex()
```

17
index.html

@ -405,7 +405,7 @@ to_exclusive = &lt;range&gt;.stop
<pre><code class="python language-python hljs">&lt;list&gt; = &lt;str&gt;.split() <span class="hljs-comment"># Splits on one or more whitespace characters.</span>
&lt;list&gt; = &lt;str&gt;.split(sep=<span class="hljs-keyword">None</span>, maxsplit=<span class="hljs-number">-1</span>) <span class="hljs-comment"># Splits on 'sep' str at most 'maxsplit' times.</span>
&lt;list&gt; = &lt;str&gt;.splitlines(keepends=<span class="hljs-keyword">False</span>) <span class="hljs-comment"># Splits on line breaks. Keeps them if 'keepends'.</span>
&lt;str&gt; = &lt;str&gt;.join(&lt;collection&gt;) <span class="hljs-comment"># Joins elements using string as separator.</span>
&lt;str&gt; = &lt;str&gt;.join(&lt;coll_of_strings&gt;) <span class="hljs-comment"># Joins elements using string as separator.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;str&gt; = &lt;str&gt;.replace(old, new [, count]) <span class="hljs-comment"># Replaces 'old' with 'new' at most 'count' times.</span>
&lt;bool&gt; = &lt;str&gt;.startswith(&lt;sub_str&gt;) <span class="hljs-comment"># Pass tuple of strings for multiple options.</span>
@ -1289,19 +1289,20 @@ db.commit()
</code></pre>
<h2 id="bytes"><a href="#bytes" name="bytes">#</a>Bytes</h2>
<p><strong>Bytes object is an immutable sequence of single bytes. Mutable version is called 'bytearray'.</strong></p>
<pre><code class="python language-python hljs">&lt;bytes&gt; = <span class="hljs-string">b'&lt;str&gt;'</span>
&lt;int&gt; = &lt;bytes&gt;[&lt;index&gt;]
&lt;bytes&gt; = &lt;bytes&gt;[&lt;slice&gt;]
&lt;ints&gt; = list(&lt;bytes&gt;)
&lt;bytes&gt; = <span class="hljs-string">b''</span>.join(&lt;coll_of_bytes&gt;)
<pre><code class="python language-python hljs">&lt;bytes&gt; = <span class="hljs-string">b'&lt;str&gt;'</span> <span class="hljs-comment"># Only accepts ASCII characters and \x00 - \xff.</span>
&lt;int&gt; = &lt;bytes&gt;[&lt;index&gt;] <span class="hljs-comment"># Returns int in range from 0 to 255.</span>
&lt;bytes&gt; = &lt;bytes&gt;[&lt;slice&gt;] <span class="hljs-comment"># Returns bytes even if it has only one element.</span>
&lt;bytes&gt; = &lt;bytes&gt;.join(&lt;coll_of_bytes&gt;) <span class="hljs-comment"># Joins elements using bytes object as separator. </span>
</code></pre>
<h3 id="encode-1">Encode</h3>
<pre><code class="python language-python hljs">&lt;bytes&gt; = &lt;str&gt;.encode(encoding=<span class="hljs-string">'utf-8'</span>)
<pre><code class="python language-python hljs">&lt;bytes&gt; = &lt;str&gt;.encode(<span class="hljs-string">'utf-8'</span>) <span class="hljs-comment"># Or: bytes(&lt;str&gt;, 'utf-8')</span>
&lt;bytes&gt; = bytes(&lt;coll_of_ints&gt;) <span class="hljs-comment"># Ints must be in range from 0 to 255.</span>
&lt;bytes&gt; = &lt;int&gt;.to_bytes(&lt;length&gt;, byteorder=<span class="hljs-string">'big|little'</span>, signed=<span class="hljs-keyword">False</span>)
&lt;bytes&gt; = bytes.fromhex(<span class="hljs-string">'&lt;hex&gt;'</span>)
</code></pre>
<h3 id="decode-1">Decode</h3>
<pre><code class="python language-python hljs">&lt;str&gt; = &lt;bytes&gt;.decode(encoding=<span class="hljs-string">'utf-8'</span>)
<pre><code class="python language-python hljs">&lt;str&gt; = &lt;bytes&gt;.decode(<span class="hljs-string">'utf-8'</span>) <span class="hljs-comment"># Or: str(&lt;bytes&gt;, 'utf-8')</span>
&lt;list&gt; = list(&lt;bytes&gt;) <span class="hljs-comment"># Returns ints in range from 0 to 255.</span>
&lt;int&gt; = int.from_bytes(&lt;bytes&gt;, byteorder=<span class="hljs-string">'big|little'</span>, signed=<span class="hljs-keyword">False</span>)
<span class="hljs-string">'&lt;hex&gt;'</span> = &lt;bytes&gt;.hex()
</code></pre>

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