Windows Compatibility Issues with Example Scripts and Setup

[aaryan182]

Describe the bug
Running Preswald on Windows encounters multiple issues:

1. FileNotFoundError when running example scripts (e.g., examples/earthquakes/hello.py)
2. Path resolution issues with __file__ variable in Windows environment
3. Data file path resolution failing on Windows-style paths

Steps to Reproduce

1. Install Preswald on Windows:

   git clone https://github.com/StructuredLabs/preswald.git
   cd preswald

2. Try to run the earthquake example:

   preswald run examples/earthquakes/hello.py

3. Observe errors:

   Running 'hello.py' on http://localhost:8501 with log level INFO  🎉!
   Starting Preswald server at http://localhost:8501
   Will run script: /preswald/examples/earthquakes/hello.py
   INFO:     Started server process [487]
   INFO:     Waiting for application startup.
   INFO:     Application startup complete.
   INFO:     Uvicorn running on http://0.0.0.0:8501
   FileNotFoundError: [Errno 2] No such file or directory: 'data/earthquake_data.csv'
   

Expected behavior

• Example scripts should run without path-related errors on Windows
• File paths should be properly resolved regardless of OS
• Data files should be found using relative paths from the script location

Environment

• OS: Windows 11
• Python version: 3.x
• Shell: Git Bash/PowerShell/CMD

Additional context
The issues appear to be related to:

• Windows path separator differences (\ vs /)
• Path resolution in Windows environment
• Relative path handling in different shells on Windows