Refs #14. Fixed sync files error when "ToProcess" folder doesn't exist

README.md

@@ -5,7 +5,7 @@ Multi-network (cellular, wi-fi & ethernet) sensor and data hub with local re
 This project was designed to run on a Raspberry Pi board with a cellular hat (Waveshare SIM7600CE 4G HAT - https://www.waveshare.com/product/raspberry-pi/hats/iot/sim7600ce-4g-hat.htm).
 
 Main features of the project includes:
-  * Local wifi hub on which devices can connect and provides direct internet access
+  * Local Wi-Fi hub on which devices can connect and provides direct internet access
     * Over cellular network
     * Over connected ethernet cable
   * Data transfer hub:
@@ -15,28 +15,40 @@ Main features of the project includes:
       * OpenTera (https://github.com/introlab/opentera) server
 
 ## Requirements
-Tested on Python 3.10
+* Miniconda 
 
-## Pi setup
+### Miniconda installation
+
+1. Open a terminal
+2. `wget http://repo.continuum.io/miniconda/Miniconda3-py39_4.9.2-Linux-aarch64.sh -O ~/miniconda3/miniconda.sh`
+3. `conda init bash`
+4. Close the terminal and start it again (or reload bash)
 
-This suppose that a working git environment is setup, and that a Personal Access Token (PAT) was generated to use as password.
-Initialize credential manager (to remember PAT) `git config --global credential.helper store`
+## Pi setup
 
-  1. Clone the repository directly into `/home/pi/Desktop` folder (a PiHub folder will be created): `git clone https://github.com/CDRV/PiHub.git`
+### Installation
+  1. Clone the repository directly into `/home/pi/Desktop` folder (a PiHub folder will be created - you can also choose any other place you want): 
+     `git clone https://github.com/CDRV/PiHub.git`
   2. Create Python virtual environment:
      1. `cd /home/pi/Desktop/PiHub`
-     2. `python3 -m venv venv`
-     3. `source venv/bin/activate`
-     4. `pip install -r requirements.txt`
-     5. `deactivate`
-	 * **If miniconda is installed, the script "create_conda_venv" can also be used**
-  4. Edit the config file `/home/pi/Desktop/PiHub/config/PiHub.json` with the appropriate values
-  5. Setup the cron tasks using `sudo crontab -e` and the crontab job listed in the `/home/pi/Desktop/PiHub/setup/crontab.txt` file
-  6. Setup and enable the main pihub service using<br>
-     `sudo cp /home/pi/Desktop/PiHub/setup/pihub.service /etc/systemd/system/pihub.service`<br>
-     `sudo systemctl enable pihub.service`
-     `sudo systemctl start pihub.service`
+     2. `chmod +x create_conda_venv.sh`
+     3. `./create_conda_venv.sh`
+     4. Make a copy of the default config file `cp /home/pi/Desktop/PiHub/config/PiHub_Defaults.json /home/pi/Desktop/PiHub/config/PiHub.json` 
+     5. Edit the config file `/home/pi/Desktop/PiHub/config/PiHub.json` with the appropriate values
+     6. Setup the cron tasks using `sudo crontab -e` and the crontab job listed in the `/home/pi/Desktop/PiHub/setup/crontab.txt` file
+     7. Setup and enable the main pihub service using<br>
+        `sudo cp /home/pi/Desktop/PiHub/setup/pihub.service /etc/systemd/system/pihub.service`<br>
+        `sudo systemctl enable pihub.service`
+        `sudo systemctl start pihub.service`
 
+### OpenTera configuration
+Edit the `PiHub.json` configuration file:
+* `WatchServer` 
+  * `"transfer_type": "opentera"`
+* `OpenTera`
+  * `"device_register_key": "(insert key)"` -> Device register key can be obtained by logging in on the target server and going in the "About" screen. Only super admins can see that key.
+  * `"default_session_type_id": (id)` -> Session type ID to use to create session.
+
 ### Service usage
 To check if the service is running: `systemctl status pihub.service`
 To query service output (log): `journalctl -u pihub.service`
@@ -46,12 +58,8 @@ If not developping directly on a Raspberry Pi, a virtual Python environment (ven
 
 1. Install Python (see requirement version above)
 2. Create a virtual environment:
-  1. Open a command line interface
-  2. Go to the PiHub folder
-  3. Create the virtual environment: `python -m venv venv`
-  4. Enable the virtual environment: <br>
-     On Mac/Linux: `source venv/bin/activate`<br>
-     On Windows: `venv\Scripts\activate.bat`<br>
-	 **If miniconda is installed, the script "create_conda_venv" can also be used**
-  5. Install requirements: `pip install -r requirements.txt`
+   1. Install and setup miniconda for your OS 
+   2. Open a command line interface
+   3. Go to the PiHub folder
+   4. Create the virtual environment: `create_conda_venv`
 

libs/servers/WatchServerOpenTera.py

@@ -102,8 +102,9 @@ def sync_files(self):
         logging.info("WatchServerOpenTera: Checking if any pending transfers...")
         # Get base folder path
         base_folder = os.path.join(self.data_path, 'ToProcess')
-        for device_name in os.listdir(base_folder):
-            self.initiate_opentera_transfer(device_name)
+        if os.path.isdir(base_folder):
+            for device_name in os.listdir(base_folder):
+                self.initiate_opentera_transfer(device_name)
 
         logging.info("All done!")