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python-cheatsheet
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Jure Šorn 1 month ago
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  1. 6
      README.md
  2. 10
      index.html
  3. 2
      pdf/remove_links.py

6
README.md
View File

@ -1822,7 +1822,7 @@ import csv
<list> = next(<reader>) # Returns next row as a list of strings.
<list> = list(<reader>) # Returns a list of remaining rows.
```
* **File must be opened with a `'newline=""'` argument, or all '\r\n' sequences inside quoted fields will get converted to '\n'!**
* **File must be opened with a `'newline=""'` argument, or every '\r\n' sequence that is embedded inside a quoted field will get converted to '\n'!**
* **To print the spreadsheet to the console use [Tabulate](#table) library.**
* **For XML and binary Excel files (xlsx, xlsm and xlsb) use [Pandas](#dataframe-plot-encode-decode) library.**
* **Reader accepts any collection of strings, not just files.**
@ -1838,10 +1838,10 @@ import csv
### Parameters
* **`'dialect'` - Master parameter that sets the default values. String or a 'csv.Dialect' object.**
* **`'delimiter'` - A one-character string used to separate fields.**
* **`'delimiter'` - A one-character string that separates fields (comma, tab, semicolon, etc.).**
* **`'lineterminator'` - How writer terminates rows. Reader looks for '\n', '\r' and '\r\n'.**
* **`'quotechar'` - Character for quoting fields containing delimiters, quotechars, '\n' or '\r'.**
* **`'escapechar'` - Character for escaping quotechars.**
* **`'escapechar'` - Character for escaping quotechars (not needed if doublequote is True).**
* **`'doublequote'` - Whether quotechars inside fields are/get doubled or escaped.**
* **`'quoting'` - 0: As necessary, 1: All, 2: All but numbers which are read as floats, 3: None.**
* **`'skipinitialspace'` - Is space character at the start of the field stripped by the reader.**

10
index.html
View File

@ -56,7 +56,7 @@
<body>
<header>
<aside>May 13, 2025</aside>
<aside>May 16, 2025</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</header>
@ -1527,7 +1527,7 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
</code></pre></div>
<ul>
<li><strong>File must be opened with a <code class="python hljs"><span class="hljs-string">'newline=""'</span></code> argument, or all '\r\n' sequences inside quoted fields will get converted to '\n'!</strong></li>
<li><strong>File must be opened with a <code class="python hljs"><span class="hljs-string">'newline=""'</span></code> argument, or every '\r\n' sequence that is embedded inside a quoted field will get converted to '\n'!</strong></li>
<li><strong>To print the spreadsheet to the console use <a href="#table">Tabulate</a> library.</strong></li>
<li><strong>For XML and binary Excel files (xlsx, xlsm and xlsb) use <a href="#dataframeplotencodedecode">Pandas</a> library.</strong></li>
<li><strong>Reader accepts any collection of strings, not just files.</strong></li>
@ -1543,10 +1543,10 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
</ul>
<div><h3 id="parameters">Parameters</h3><ul>
<li><strong><code class="python hljs"><span class="hljs-string">'dialect'</span></code> - Master parameter that sets the default values. String or a 'csv.Dialect' object.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'delimiter'</span></code> - A one-character string used to separate fields.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'delimiter'</span></code> - A one-character string that separates fields (comma, tab, semicolon, etc.).</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'lineterminator'</span></code> - How writer terminates rows. Reader looks for '\n', '\r' and '\r\n'.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'quotechar'</span></code> - Character for quoting fields containing delimiters, quotechars, '\n' or '\r'.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'escapechar'</span></code> - Character for escaping quotechars.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'escapechar'</span></code> - Character for escaping quotechars (not needed if doublequote is True).</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'doublequote'</span></code> - Whether quotechars inside fields are/get doubled or escaped.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'quoting'</span></code> - 0: As necessary, 1: All, 2: All but numbers which are read as floats, 3: None.</strong></li>
<li><strong><code class="python hljs"><span class="hljs-string">'skipinitialspace'</span></code> - Is space character at the start of the field stripped by the reader.</strong></li>
@ -2945,7 +2945,7 @@ $ deactivate <span class="hljs-comment"># Deactivates the active
<footer>
<aside>May 13, 2025</aside>
<aside>May 16, 2025</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</footer>

2
pdf/remove_links.py
View File

@ -21,7 +21,7 @@ MATCHES = {
'<strong>Generators returned by the <a href="#generator">generator functions</a> and <a href="#comprehensions">generator expressions</a>.</strong>': '<strong>Generators returned by the generator functions (p. 4) and generator expressions (p. 11).</strong>',
'<strong>File objects returned by the <a href="#open">open()</a> function, etc.</strong>': '<strong>File objects returned by the open() function (p. 22), etc.</strong>',
'<strong>Use <code class="python hljs"><span class="hljs-string">\'logging.exception(&lt;str&gt;)\'</span></code> to log the passed message, followed by the full error message of the caught exception. For details see <a href="#logging">Logging</a>.</strong>': '<strong>Use <code class="python hljs"><span class="hljs-string">\'logging.exception(&lt;str&gt;)\'</span></code> to log the passed message, followed by the full error message of the caught exception. For details see Logging (p. 31).</strong>',
'<strong>Functions report OS related errors by raising either OSError or one of its <a href="#exceptions-1">subclasses</a>.</strong>': '<strong>Functions report OS related errors by raising OSError or one of its subclasses (p. 23).</strong>',
'<strong>Functions report OS related errors by raising OSError or one of its <a href="#exceptions-1">subclasses</a>.</strong>': '<strong>Functions report OS related errors by raising OSError or one of its subclasses (p. 23).</strong>',
'<strong>To print the spreadsheet to the console use <a href="#table">Tabulate</a> library.</strong>': '<strong>To print the spreadsheet to the console use Tabulate library (p. 34).</strong>',
'<strong>For XML and binary Excel files (xlsx, xlsm and xlsb) use <a href="#dataframeplotencodedecode">Pandas</a> library.</strong>': '<strong>For XML and binary Excel files (xlsx, xlsm and xlsb) use Pandas library (p. 46).</strong>',
'<strong>Bools will be stored and returned as ints and dates as <a href="#encode">ISO formatted strings</a>.</strong>': '<strong>Bools will be stored and returned as ints and dates as ISO formatted strings (p. 9).</strong>',

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