Posted on February 13, 2023 (Updated on July 10, 2025)

Calling Python script tool from ArcGIS model using relative path?

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How do I run a Python script in ArcGIS?

The simplest way to use Python in ArcGIS is to enter Python commands into the Python window. The Python window prompts with three greater-than symbols (>>>), indicating the first line of the code block to execute. Simple Python syntax can be immediately entered and executed from this first line.

How do you use relative paths in ArcMap?

To set relative pathways in ArcMap, from the Main menu, select File, and then Document Properties. Click Data Source Options, and then select Store relative path names. UITS recommends that you also check Make relative paths the defaults for new map documents I create, so that you will not have to repeat this process.
 

How do I import a Python script into ArcGIS?

Procedure

  1. Open Windows Explorer, and navigate to Program Files > ArcGIS > Pro > bin > Python > envs > arcgispro-py3 > Lib > site-packages > ArcGISPro.
  2. Add the following line to the .pth file: import sys; sys.path.append(r”\\server\folder”)

How can you access geoprocessing functionality in a Python script?

A geoprocessing service can be accessed through the Python window in ArcMap, a script tool, or a stand-alone script. A URL is used to connect to and use a geoprocessing service. Connect to a service using ImportToolbox. The path used to import the tool is the URL of the geoprocessing service.

How do I run a .py file directly?

Using the python Command



To run Python scripts with the python command, you need to open a command-line and type in the word python , or python3 if you have both versions, followed by the path to your script, just like this: $ python3 hello.py Hello World!

How do I add a Python toolbox in ArcGIS?

Tip:

  1. In the Catalog pane, click Toolboxes.
  2. Click New Python Toolbox.
  3. Browse to the folder where you want to save the Python toolbox, enter a name in the Name text box, and click Save.


Can you use relative paths in Python?

A relative path starts with / , ./ or ../ . To get a relative path in Python you first have to find the location of the working directory where the script or module is stored. Then from that location, you get the relative path to the file want.
 

How do you use relative pathname?

The relative path name lists only those directories that are relative to the current directory. For example, if your current directory is /usr/bin and your target directory is /usr/bin/reports, type the relative path name reports (without the leading slash).

How do you read a relative path?

Relative Paths

  1. By prefixing the first slash (/) in the path with a single (.) dot, you are declaring that the path starts in the same folder.
  2. By prefixing the first slash (/) in the path with a double (..) dot, you are declaring that the path starts in the folder above.


How do I run a Python script in ArcGIS Pro?

proenv. bat—Activates the ArcGIS Pro environment and opens a command prompt window. From there, you can call arcgispro-py3\python.exe by typing Python to start an interactive terminal session, or type python followed by the name of the script you want to run.

Where is the Python window in ArcGIS?

Quote from video: So if you start arcmap under the geoprocessing menu. There's gonna be the python window.

How can Python be used in GIS applications?

Python is the scripting language of choice for ArcGIS Pro. It has its own module, ArcPy (where you’ll find the Python translation of all your favorite GIS functionalities). You can also run code directly in your project using Pro’s built-in Python window and immediately see the results on a map.