Device subsystem: Make the USB ids of the device being opened available to the driver while open() is being called.

src/calibre/devices/__init__.py

@@ -39,15 +39,15 @@ def get_connected_device():
         if ok:
             dev = d
             dev.reset(log_packets=False, detected_device=det)
-            connected_devices.append(dev)
+            connected_devices.append((det, dev))
 
     if dev is None:
         print >>sys.stderr, 'Unable to find a connected ebook reader.'
         return
 
-    for d in connected_devices:
+    for det, d in connected_devices:
         try:
-            d.open(None)
+            d.open(det, None)
         except:
             continue
         else:
@@ -121,7 +121,7 @@ def debug(ioreg_to_tmp=False, buf=None):
             out('Trying to open', dev.name, '...', end=' ')
             try:
                 dev.reset(detected_device=det)
-                dev.open(None)
+                dev.open(det, None)
                 out('OK')
             except:
                 import traceback

src/calibre/devices/apple/driver.py

@@ -808,7 +808,7 @@ class ITUNES(DriverBase):
             self.log.info("ITUNES.get_file(): exporting '%s'" % path)
         outfile.write(open(self.cached_books[path]['lib_book'].location().path).read())
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         '''
         Perform any device specific initialization. Called after the device is
         detected but before any other functions that communicate with the device.
@@ -3224,7 +3224,7 @@ class ITUNES_ASYNC(ITUNES):
             only_presence=False):
         return self.connected, self
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         '''
         Perform any device specific initialization. Called after the device is
         detected but before any other functions that communicate with the device.

src/calibre/devices/bambook/driver.py

@@ -59,9 +59,9 @@ class BAMBOOK(DeviceConfig, DevicePlugin):
 
     def reset(self, key='-1', log_packets=False, report_progress=None,
             detected_device=None) :
-        self.open(None)
+        self.open(None, None)
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         # Make sure the Bambook library is ready
         if not is_bambook_lib_ready():
             raise OpenFeedback(_("Unable to connect to Bambook, you need to install Bambook library first."))

src/calibre/devices/folder_device/driver.py

@@ -79,7 +79,7 @@ class FOLDER_DEVICE(USBMS):
             only_presence=False):
         return self.is_connected, self
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         self.current_library_uuid = library_uuid
         if not self._main_prefix:
             return False

src/calibre/devices/interface.py

@@ -133,8 +133,14 @@ class DevicePlugin(Plugin):
                        if debug:
                            self.print_usb_device_info(device_id)
                        if only_presence or self.can_handle_windows(device_id, debug=debug):
-                           return True
-        return False
+                           try:
+                               bcd = int(device_id.rpartition(
+                                   'rev_')[-1].replace(':', 'a'), 16)
+                           except:
+                               bcd = None
+                           return True, (vendor_id, product_id, bcd, None,
+                                   None, None)
+        return False, None
 
     def test_bcd(self, bcdDevice, bcd):
         if bcd is None or len(bcd) == 0:
@@ -154,7 +160,7 @@ class DevicePlugin(Plugin):
         '''
         if iswindows:
             return self.is_usb_connected_windows(devices_on_system,
-                    debug=debug, only_presence=only_presence), None
+                    debug=debug, only_presence=only_presence)
 
         vendors_on_system = set([x[0] for x in devices_on_system])
         vendors = self.VENDOR_ID if hasattr(self.VENDOR_ID, '__len__') else [self.VENDOR_ID]
@@ -224,7 +230,7 @@ class DevicePlugin(Plugin):
 
         return True
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         '''
         Perform any device specific initialization. Called after the device is
         detected but before any other functions that communicate with the device.
@@ -238,6 +244,16 @@ class DevicePlugin(Plugin):
 
         This method can raise an OpenFeedback exception to display a message to
         the user.
+
+        :param connected_device: The device that we are trying to open. It is
+        a tuple of (vendor id, product id, bcd, manufacturer name, product
+        name, device serial number). However, some device have no serial number
+        and on windows only the first three fields are present, the rest are
+        None.
+
+        :param library_uuid: The UUID of the current calibre library. Can be
+        None if there is no library (for example when used from the command
+        line.
         '''
         raise NotImplementedError()
 

src/calibre/devices/prs500/cli/main.py

@@ -205,15 +205,15 @@ def main():
         if ok:
             dev = d
             dev.reset(log_packets=options.log_packets, detected_device=det)
-            connected_devices.append(dev)
+            connected_devices.append((det, dev))
 
     if dev is None:
         print >>sys.stderr, 'Unable to find a connected ebook reader.'
         return 1
 
-    for d in connected_devices:
+    for det, d in connected_devices:
         try:
-            d.open(None)
+            d.open(det, None)
         except:
             continue
         else:

src/calibre/devices/prs500/driver.py

@@ -240,7 +240,7 @@ class PRS500(DeviceConfig, DevicePlugin):
     def set_progress_reporter(self, report_progress):
         self.report_progress = report_progress
 
-    def open(self, library_uuid) :
+    def open(self, connected_device, library_uuid) :
         """
         Claim an interface on the device for communication.
         Requires write privileges to the device file.

src/calibre/devices/usbms/device.py

@@ -847,38 +847,42 @@ class Device(DeviceConfig, DevicePlugin):
         self._card_b_prefix = None
 # ------------------------------------------------------
 
-    def open(self, library_uuid):
+    def open(self, connected_device, library_uuid):
         time.sleep(5)
         self._main_prefix = self._card_a_prefix = self._card_b_prefix = None
-        if islinux:
-            try:
-                self.open_linux()
-            except DeviceError:
-                time.sleep(7)
-                self.open_linux()
-        if isfreebsd:
-            self._main_dev = self._card_a_dev = self._card_b_dev = None
-            try:
-                self.open_freebsd()
-            except DeviceError:
-                subprocess.Popen(["camcontrol", "rescan", "all"])
-                time.sleep(2)
-                self.open_freebsd()
-        if iswindows:
-            try:
-                self.open_windows()
-            except DeviceError:
-                time.sleep(7)
-                self.open_windows()
-        if isosx:
-            try:
-                self.open_osx()
-            except DeviceError:
-                time.sleep(7)
-                self.open_osx()
+        self.device_being_opened = connected_device
+        try:
+            if islinux:
+                try:
+                    self.open_linux()
+                except DeviceError:
+                    time.sleep(7)
+                    self.open_linux()
+            if isfreebsd:
+                self._main_dev = self._card_a_dev = self._card_b_dev = None
+                try:
+                    self.open_freebsd()
+                except DeviceError:
+                    subprocess.Popen(["camcontrol", "rescan", "all"])
+                    time.sleep(2)
+                    self.open_freebsd()
+            if iswindows:
+                try:
+                    self.open_windows()
+                except DeviceError:
+                    time.sleep(7)
+                    self.open_windows()
+            if isosx:
+                try:
+                    self.open_osx()
+                except DeviceError:
+                    time.sleep(7)
+                    self.open_osx()
 
-        self.current_library_uuid = library_uuid
-        self.post_open_callback()
+            self.current_library_uuid = library_uuid
+            self.post_open_callback()
+        finally:
+            self.device_being_opened = None
 
     def post_open_callback(self):
         pass

src/calibre/gui2/device.py

@@ -162,7 +162,7 @@ class DeviceManager(Thread): # {{{
             try:
                 dev.reset(detected_device=detected_device,
                     report_progress=self.report_progress)
-                dev.open(self.current_library_uuid)
+                dev.open(detected_device, self.current_library_uuid)
             except OpenFeedback as e:
                 if dev not in self.ejected_devices:
                     self.open_feedback_msg(dev.get_gui_name(), e)