add option for naming

labhw/USBdev.py

@@ -6,8 +6,12 @@ import re
 import serial.tools.list_ports
 
 
-def list_USB_devices():
+def list_USB_devices(full=True):
     """
+    Return a list of USB devices as a dict.
+
+    if full is True, the name is Manufacturer_SerialNumber
+    otherwise, just Manufacturer
 
     """
     full_pattern = re.compile('[^a-zA-Z0-9\\\/]|_')
@@ -16,45 +20,45 @@ def list_USB_devices():
     for p in ports:
         if p.manufacturer:
             key = p.manufacturer
-            if p.serial_number:
+            if p.serial_number and full:
                 key += '_' + p.serial_number
             key = re.sub(full_pattern, '_', key)
             result[key] = p.device
     return result
 
 
-def list_USB_devices_old():
-    result = {}
-    path = Path('/sys/bus/usb/devices/')
-
-    for syspath in path.glob('usb*'):
-        for devfile in syspath.glob('**/dev'):
-            if devfile.is_file():
-                devpath = devfile.parent
-                # Get devnames
-                proc = subprocess.Popen(['udevadm', 'info', '-q', 'name', '-p', devpath],
-                                        stdout=subprocess.PIPE)
-                output = proc.stdout.read()
-                devname = output.decode('utf-8')
-                if not devname.startswith('bus') and not devname.startswith('input'):
-                    # get properties
-                    proc = subprocess.Popen(['udevadm', 'info', '-q', 'property', '--export', '-p', devpath],
-                                            stdout=subprocess.PIPE)
-                    output = proc.stdout.read()
-                    output = output.decode('utf-8')
-                    # Not nice, but convert the output into dict
-                    output = output.replace("='", "\':\'")
-                    output = re.sub('^', "\'", output, flags=re.MULTILINE)
-                    output = '{' + output[:-1].replace('\n', ', ') + '}'
-                    properties = ast.literal_eval(output)
-                    if 'ID_SERIAL' in properties:
-                        p = str(path.joinpath('/dev', devname))
-                        p = p.replace('\n', '')
-                        result[properties['ID_SERIAL']] = p
-    return result
+#def list_USB_devices_old():
+#    result = {}
+#    path = Path('/sys/bus/usb/devices/')
+#
+#    for syspath in path.glob('usb*'):
+#        for devfile in syspath.glob('**/dev'):
+#            if devfile.is_file():
+#                devpath = devfile.parent
+#                # Get devnames
+#                proc = subprocess.Popen(['udevadm', 'info', '-q', 'name', '-p', devpath],
+#                                        stdout=subprocess.PIPE)
+#                output = proc.stdout.read()
+#                devname = output.decode('utf-8')
+#                if not devname.startswith('bus') and not devname.startswith('input'):
+#                    # get properties
+#                    proc = subprocess.Popen(['udevadm', 'info', '-q', 'property', '--export', '-p', devpath],
+#                                            stdout=subprocess.PIPE)
+#                    output = proc.stdout.read()
+#                    output = output.decode('utf-8')
+#                    # Not nice, but convert the output into dict
+#                    output = output.replace("='", "\':\'")
+#                    output = re.sub('^', "\'", output, flags=re.MULTILINE)
+#                    output = '{' + output[:-1].replace('\n', ', ') + '}'
+#                    properties = ast.literal_eval(output)
+#                    if 'ID_SERIAL' in properties:
+#                        p = str(path.joinpath('/dev', devname))
+#                        p = p.replace('\n', '')
+#                        result[properties['ID_SERIAL']] = p
+#    return result
 
 
-def update_USB_devices(devices):
+def update_USB_devices(devices, fullname=True):
     """
     Find paths for devices.
 
@@ -62,8 +66,9 @@ def update_USB_devices(devices):
     detection, and bind the path.
 
     devices: dictionnary
+    fullname: if True, Manufacturer_SN, else Manufacturer.
     """
-    res = list_USB_devices()
+    res = list_USB_devices(full=fullname)
     for device in devices:
         name = devices[device]['name']
         if name in res:

labhw/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '0.1.2'
+__version__ = '0.1.3'
 
 from .LTS import *
 from .USBdev import *