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python-cheatsheet
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Jure Šorn 4 years ago
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2 changed files with 36 additions and 36 deletions
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  1. 36
      README.md
  2. 36
      index.html

36
README.md
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@ -1567,18 +1567,18 @@ from glob import glob
```python
<str> = getcwd() # Returns the current working directory.
<str> = path.join('<path>', ...) # Joins two or more pathname components.
<str> = path.abspath('<path>') # Return an absolute path.
<str> = path.join(<path>, ...) # Joins two or more pathname components.
<str> = path.abspath(<path>) # Return an absolute path.
```
```python
<str> = path.basename('<path>') # Returns final component.
<str> = path.dirname('<path>') # Returns path without final component.
<tup.> = path.splitext('<path>') # Splits on last period of final component.
<str> = path.basename(<path>) # Returns final component.
<str> = path.dirname(<path>) # Returns path without final component.
<tup.> = path.splitext(<path>) # Splits on last period of final component.
```
```python
<list> = listdir('<path>') # Returns filenames located at path.
<list> = listdir(<path>) # Returns filenames located at path.
<list> = glob('<pattern>') # Returns paths matching the wildcard pattern.
```
@ -1594,31 +1594,31 @@ from pathlib import Path
```python
<Path> = Path() # Or: Path('.')
<Path> = Path.cwd() # Returns absolute cwd. Or: Path().resolve()
<Path> = <Path>.resolve() # Returns absolute Path without symlinks.
<Path> = Path.cwd() # Returns the absolute cwd.
<Path> = <Path>.resolve() # Returns the absolute Path without symlinks.
<Path> = <Path>.parent # Returns Path without final component.
```
```python
<bool> = <Path>.exists() # Or: path.exists('<path>')
<bool> = <Path>.is_file() # Or: path.isfile('<path>')
<bool> = <Path>.is_dir() # Or: path.isdir('<path>')
<str> = <Path>.name # Returns final component.
<str> = <Path>.stem # Returns final component without extension.
<str> = <Path>.suffix # Returns final component's extension.
<tup.> = <Path>.parts # Returns all components as strings.
```
```python
<iter> = <Path>.iterdir() # Returns dir contents as relative (not true) Path objects.
<iter> = <Path>.glob('<pattern>') # Returns relative Paths matching the wildcard pattern.
<iter> = <Path>.iterdir() # Returns dir contents as Path objects.
<iter> = <Path>.glob('<pattern>') # Returns Paths matching the wildcard pattern.
```
```python
<str> = str(<Path>) # Returns Path as a string.
<str> = <Path>.name # Returns final component.
<str> = <Path>.stem # Returns final component without extension.
<str> = <Path>.suffix # Returns final component's extension.
<tup.> = <Path>.parts # Returns all components as strings.
<bool> = <Path>.exists() # Or: path.exists(<path>)
<bool> = <Path>.is_file() # Or: path.isfile(<path>)
<bool> = <Path>.is_dir() # Or: path.isdir(<path>)
```
```python
<str> = str(<Path>) # Returns Path as a string.
<file> = open(<Path>) # Opens the file and returns a file object.
```

36
index.html
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@ -1448,14 +1448,14 @@ value = args.&lt;name&gt;
</code></pre></div>
<pre><code class="python language-python hljs">&lt;str&gt; = getcwd() <span class="hljs-comment"># Returns the current working directory.</span>
&lt;str&gt; = path.join(<span class="hljs-string">'&lt;path&gt;'</span>, ...) <span class="hljs-comment"># Joins two or more pathname components.</span>
&lt;str&gt; = path.abspath(<span class="hljs-string">'&lt;path&gt;'</span>) <span class="hljs-comment"># Return an absolute path.</span>
&lt;str&gt; = path.join(&lt;path&gt;, ...) <span class="hljs-comment"># Joins two or more pathname components.</span>
&lt;str&gt; = path.abspath(&lt;path&gt;) <span class="hljs-comment"># Return an absolute path.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;str&gt; = path.basename(<span class="hljs-string">'&lt;path&gt;'</span>) <span class="hljs-comment"># Returns final component.</span>
&lt;str&gt; = path.dirname(<span class="hljs-string">'&lt;path&gt;'</span>) <span class="hljs-comment"># Returns path without final component.</span>
&lt;tup.&gt; = path.splitext(<span class="hljs-string">'&lt;path&gt;'</span>) <span class="hljs-comment"># Splits on last period of final component.</span>
<pre><code class="python language-python hljs">&lt;str&gt; = path.basename(&lt;path&gt;) <span class="hljs-comment"># Returns final component.</span>
&lt;str&gt; = path.dirname(&lt;path&gt;) <span class="hljs-comment"># Returns path without final component.</span>
&lt;tup.&gt; = path.splitext(&lt;path&gt;) <span class="hljs-comment"># Splits on last period of final component.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;list&gt; = listdir(<span class="hljs-string">'&lt;path&gt;'</span>) <span class="hljs-comment"># Returns filenames located at path.</span>
<pre><code class="python language-python hljs">&lt;list&gt; = listdir(&lt;path&gt;) <span class="hljs-comment"># Returns filenames located at path.</span>
&lt;list&gt; = glob(<span class="hljs-string">'&lt;pattern&gt;'</span>) <span class="hljs-comment"># Returns paths matching the wildcard pattern.</span>
</code></pre>
<div><h3 id="pathobject">Path Object</h3><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> pathlib <span class="hljs-keyword">import</span> Path
@ -1465,24 +1465,24 @@ value = args.&lt;name&gt;
&lt;Path&gt; = &lt;path&gt; / &lt;path&gt; [/ ...] <span class="hljs-comment"># One of the paths must be a Path object.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;Path&gt; = Path() <span class="hljs-comment"># Or: Path('.')</span>
&lt;Path&gt; = Path.cwd() <span class="hljs-comment"># Returns absolute cwd. Or: Path().resolve()</span>
&lt;Path&gt; = &lt;Path&gt;.resolve() <span class="hljs-comment"># Returns absolute Path without symlinks.</span>
&lt;Path&gt; = Path.cwd() <span class="hljs-comment"># Returns the absolute cwd.</span>
&lt;Path&gt; = &lt;Path&gt;.resolve() <span class="hljs-comment"># Returns the absolute Path without symlinks.</span>
&lt;Path&gt; = &lt;Path&gt;.parent <span class="hljs-comment"># Returns Path without final component.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;bool&gt; = &lt;Path&gt;.exists() <span class="hljs-comment"># Or: path.exists('&lt;path&gt;')</span>
&lt;bool&gt; = &lt;Path&gt;.is_file() <span class="hljs-comment"># Or: path.isfile('&lt;path&gt;')</span>
&lt;bool&gt; = &lt;Path&gt;.is_dir() <span class="hljs-comment"># Or: path.isdir('&lt;path&gt;')</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;iter&gt; = &lt;Path&gt;.iterdir() <span class="hljs-comment"># Returns dir contents as relative (not true) Path objects.</span>
&lt;iter&gt; = &lt;Path&gt;.glob(<span class="hljs-string">'&lt;pattern&gt;'</span>) <span class="hljs-comment"># Returns relative Paths matching the wildcard pattern.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;str&gt; = str(&lt;Path&gt;) <span class="hljs-comment"># Returns Path as a string.</span>
&lt;str&gt; = &lt;Path&gt;.name <span class="hljs-comment"># Returns final component.</span>
<pre><code class="python language-python hljs">&lt;str&gt; = &lt;Path&gt;.name <span class="hljs-comment"># Returns final component.</span>
&lt;str&gt; = &lt;Path&gt;.stem <span class="hljs-comment"># Returns final component without extension.</span>
&lt;str&gt; = &lt;Path&gt;.suffix <span class="hljs-comment"># Returns final component's extension.</span>
&lt;tup.&gt; = &lt;Path&gt;.parts <span class="hljs-comment"># Returns all components as strings.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;file&gt; = open(&lt;Path&gt;) <span class="hljs-comment"># Opens the file and returns a file object.</span>
<pre><code class="python language-python hljs">&lt;iter&gt; = &lt;Path&gt;.iterdir() <span class="hljs-comment"># Returns dir contents as Path objects.</span>
&lt;iter&gt; = &lt;Path&gt;.glob(<span class="hljs-string">'&lt;pattern&gt;'</span>) <span class="hljs-comment"># Returns Paths matching the wildcard pattern.</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;bool&gt; = &lt;Path&gt;.exists() <span class="hljs-comment"># Or: path.exists(&lt;path&gt;)</span>
&lt;bool&gt; = &lt;Path&gt;.is_file() <span class="hljs-comment"># Or: path.isfile(&lt;path&gt;)</span>
&lt;bool&gt; = &lt;Path&gt;.is_dir() <span class="hljs-comment"># Or: path.isdir(&lt;path&gt;)</span>
</code></pre>
<pre><code class="python language-python hljs">&lt;str&gt; = str(&lt;Path&gt;) <span class="hljs-comment"># Returns Path as a string.</span>
&lt;file&gt; = open(&lt;Path&gt;) <span class="hljs-comment"># Opens the file and returns a file object.</span>
</code></pre>
<div><h3 id="direntry">DirEntry</h3><p><strong>Using scandir() instead of listdir() or iterdir() can significantly increase the performance of code that also needs file type or file attribute information.</strong></p><pre><code class="python language-python hljs">&lt;iter&gt; = os.scandir(path=<span class="hljs-string">'.'</span>) <span class="hljs-comment"># Returns DirEntry objects located at path.</span>
</code></pre></div>

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