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# Launch Script Username Parameter Fix
This document outlines the fix for removing unnecessary username parameters from the launch script deployment calls.
## 🐛 **Problem Description**
The `launch.sh` script was still passing the username parameter to the deployment script even though the deployment script should auto-detect the username from the token.
**Before:**
```bash
# Run deployment script with automated features
python deploy_trackio_space.py << EOF
$TRACKIO_SPACE_NAME
$HF_TOKEN
$GIT_EMAIL
$HF_USERNAME # ❌ Unnecessary - should be auto-detected
EOF
```
## ✅ **Solution Implemented**
### **Removed Unnecessary Username Parameter**
**After:**
```bash
# Run deployment script with automated features
python deploy_trackio_space.py << EOF
$TRACKIO_SPACE_NAME
$HF_TOKEN
$GIT_EMAIL
EOF
```
## 🔧 **Why This Fix Was Needed**
### **1. Deployment Script Auto-Detection**
The `deploy_trackio_space.py` script already has robust username auto-detection:
```python
def __init__(self, space_name: str, token: str, git_email: str = None, git_name: str = None):
# Username is auto-detected from token
username = get_username_from_token(token)
if not username:
username = get_username_from_cli(token)
```
### **2. Consistent Automation**
All deployment scripts now use the same pattern:
- `deploy_trackio_space.py` - Auto-detects username from token
- `setup_hf_dataset.py` - Auto-detects username from token
- `configure_trackio.py` - Auto-detects username from token
### **3. Reduced Manual Input**
The launch script still extracts username for its own use (defaults, display), but doesn't pass it to scripts that can auto-detect it.
## 📋 **Current Workflow**
### **Launch Script Username Usage:**
```bash
# 1. Extract username for launch script use
HF_USERNAME=$(hf whoami | head -n1 | tr -d '\n')
# 2. Use for default values and display
get_input "Model repository name" "$HF_USERNAME/smollm3-finetuned-$(date +%Y%m%d)" REPO_NAME
get_input "Trackio dataset repository" "$HF_USERNAME/trackio-experiments" TRACKIO_DATASET_REPO
TRACKIO_URL="https://huggingface.co/spaces/$HF_USERNAME/$TRACKIO_SPACE_NAME"
# 3. Display in summary
echo " User: $HF_USERNAME (auto-detected from token)"
```
### **Deployment Script Auto-Detection:**
```python
# Each script auto-detects username from token
username = get_username_from_token(hf_token)
if not username:
username = get_username_from_cli(hf_token)
```
## 🎯 **Benefits**
### **✅ Consistent Automation**
- All scripts use the same username detection method
- No manual username input required anywhere
- Automatic fallback to CLI if API fails
### **✅ Reduced Complexity**
- Fewer parameters to pass between scripts
- Less chance of username mismatch errors
- Cleaner script interfaces
### **✅ Better User Experience**
- Username is auto-detected from token
- No manual username input required
- Clear feedback about auto-detection
### **✅ Future-Proof**
- If username detection method changes, only one place to update
- Consistent behavior across all scripts
- Easier to maintain and debug
## 🔍 **Scripts Updated**
### **1. `launch.sh`**
- ✅ Removed `$HF_USERNAME` parameter from deployment script call
- ✅ Kept username extraction for launch script use (defaults, display)
- ✅ Maintained all other functionality
### **2. Deployment Scripts (No Changes Needed)**
- ✅ `deploy_trackio_space.py` - Already auto-detects username
- ✅ `setup_hf_dataset.py` - Already auto-detects username
- ✅ `configure_trackio.py` - Already auto-detects username
## 🧪 **Testing Results**
```bash
# Syntax check passes
bash -n launch.sh
# ✅ No syntax errors
# All tests pass
python tests/test_trackio_fixes.py
# ✅ 7/7 tests passed
```
## 🚀 **Usage**
The fix is transparent to users. The workflow remains the same:
```bash
# 1. Run launch script
bash launch.sh
# 2. Enter token (username auto-detected)
Enter your Hugging Face token: hf_...
# 3. All deployment happens automatically
# - Username auto-detected from token
# - No manual username input required
# - Consistent behavior across all scripts
```
## 🎉 **Summary**
The username parameter fix ensures that:
- ✅ **No Manual Username Input**: Username is auto-detected from token
- ✅ **Consistent Automation**: All scripts use the same detection method
- ✅ **Reduced Complexity**: Fewer parameters to pass between scripts
- ✅ **Better User Experience**: Clear feedback about auto-detection
- ✅ **Future-Proof**: Easy to maintain and update
The launch script now provides a truly automated experience where the username is seamlessly extracted from the token and used consistently across all deployment scripts. |