Always delete old placex entry for type=postcode when inserting a new one into the...

[nominatim.git] / docs / develop / Development-Environment.md

diff --git a/docs/develop/Development-Environment.md b/docs/develop/Development-Environment.md
index 86df1fb9661f61545d7d2142eeb78d6783eb4e3c..43598b9a7c638ba2177783f2b962ec45fc4c8627 100644 (file)
--- a/docs/develop/Development-Environment.md
+++ b/docs/develop/Development-Environment.md
@@ -26,11 +26,14 @@ following packages should get you started:
 ## Prerequisites for testing and documentation
 
 The Nominatim test suite consists of behavioural tests (using behave) and
-unit tests (using PHPUnit). It has the following additional requirements:
+unit tests (using PHPUnit for PHP code and pytest for Python code).
+It has the following additional requirements:
 
 * [behave test framework](https://behave.readthedocs.io) >= 1.2.5
 * [phpunit](https://phpunit.de) >= 7.3
 * [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer)
+* [Pylint](https://pylint.org/) (2.6.0 is used for the CI)
+* [pytest](https://pytest.org)
 
 The documentation is built with mkdocs:
 
@@ -46,9 +49,9 @@ To install all necessary packages run:
 
 ```sh
 sudo apt install php-cgi phpunit php-codesniffer \
-                 python3-pip python3-setuptools python3-dev
+                 python3-pip python3-setuptools python3-dev pylint
 
-pip3 install --user behave mkdocs
+pip3 install --user behave mkdocs pytest
 ```
 
 The `mkdocs` executable will be located in `.local/bin`. You may have to add