first try with archive dept.

screenless/bureau/archives/archives.py

@@ -3,6 +3,10 @@ import os
 from bureau import Bureau, add_command
 import pyudev
 
+AUDIO_FILETYPES = (".mp3", ".ogg", ".oga", ".flac", ".spx", ".opus", ".wav", 
+                   ".aac", ".mka", ".m4a")
+PICTURE_FILETYPES = (".jpg", ".jpeg", ".png", ".gif", ".tif", ".bmp")
+PDF_FILETYPES = (".pdf", ".djvu", ".djv", ".ps", ".eps")
 
 class Archives(Bureau):
     """
@@ -18,25 +22,112 @@ class Archives(Bureau):
     def __init__(self):
         Bureau.__init__(self)
 
-        # get location of archive root storage from config
+        # TODO: get location of archive root storage from config
+        self.mounts = {}
+
+        # create a db to map shortcodes to folders on external drives
+        self.dirmap = self.open_db("dirmap")
+
+    def __scandir(self, dir_to_scan):
+        """
+        recursive directory scan 
+        returns a tuple of lists of directory paths if any interesting media 
+        are found
+        ([dirs_with_audio], [dirs_with_pictures], [dirs_with_pdfs])
+        """
+        dirs_with_audio = []
+        dirs_with_pictures = []
+        dirs_with_pdfs = []
+        for root, dirs, files in os.walk(dir_to_scan):
+            audio_found = False
+            pic_found = False
+            pdf_found = False
+            for file in files:
+                _, file_ext = os.path.splitext(file)
+                file_ext = file_ext.lower()
+                if file_ext in AUDIO_FILETYPES:
+                    audio_found = True
+                elif file_ext in PICTURE_FILETYPES:
+                    pic_found = True
+                elif file_ext in PDF_FILETYPES:
+                    pdf_found = True
+            if audio_found:
+                dirs_with_audio.append(root)
+            if pic_found:
+                dirs_with_pictures.append(root)
+            if pdf_found:
+                dirs_with_pdfs.append(root)
+        return dirs_with_audio, dirs_with_pictures, dirs_with_pdfs
 
     def _mount_and_archive(self, dev):
         # TODO: small print options to import stuff
-        print("MOUNTING EXTERNAL MEDIUM: ", dev)
+        mountpoint = os.path.join("/media" os.path.split(dev))
+        print("MOUNTING EXTERNAL MEDIUM: ", dev, "on", mountpoint)
+        if len(self.mounts < 26):
+            mount_index = chr(65 + len(self.mounts))
 
         # pmount dev
-        os.system("pmount " + str(dev))
         # path is always /media/device
-
+        os.system("pmount " + str(dev))
-        #os.walk()
+        self.mounts[mount_index] = {"dev": dev, "mount": mountpoint, "dirs": []}
-
+        prn = self._get_small_printer()
-        # walk through the tree looking for mp3 / ogg
+        prn.textln("Achive has found external medium: ")
-
+        prn.textln(mountpoint)
-        # walk through looking for photos
+        prn.textln("EJECT DRIVE:")
-
+        prn.soft_barcode("code128", "ARej." + mount_index, module_width=0.16)
-        # walk through looking for pdfs
+
-        
+        audio_dirs, pic_dirs, pdf_dirs = self.__scandir(mountpoint)
-        # pumount dev
+
+        # small_print list of media/directories that we can import
+        # TODO: make short codes for each dir
+        # TODO: make command that will import the dir
+        for adir in audio_dirs:
+            print("could add audio DIR", adir)
+            prn.textln("Import Audio Folder:")
+            prn.textln(adir)
+            shortcode = self.dirmap.store_and_get_shortcode(adir)
+            prn.soft_barcode("code128", "ARia." + shortcode, module_width=0.16)
+            self.mounts[mount_index]["dirs"].append(shortcode)
+
+        for pdir in pic_dirs:
+            print("could add picture DIR", pdir)
+            prn.textln("Import Image Folder:")
+            prn.textln(pdir)
+            shortcode = self.dirmap.store_and_get_shortcode(pdir)
+            prn.soft_barcode("code128", "ARii." + shortcode, module_width=0.16)
+            self.mounts[mount_index]["dirs"].append(shortcode)
+
+        for pdir in pdf_dirs:
+            print("could add document DIR", pdir)
+            prn.textln("Import Document Folder:")
+            prn.textln(pdir)
+            shortcode = self.dirmap.store_and_get_shortcode(pdir)
+            prn.soft_barcode("code128", "ARip." + shortcode, module_width=0.16)
+            self.mounts[mount_index]["dirs"].append(shortcode)
+
+        self._free_small_printer(prn)
+
+    @add_command("ej", "Eject Drive")
+    def unmount_device(self, data):
+        """
+        Safely eject external media like USB Flash Drives or SD Cards
+        """
+        device_idx, _ = data.split(".")
+        dev = self.mounts[device_idx]["dev"]
+        os.system("pumount " + str(dev))
+        # clean up the references
+        for shortcode in self.mounts[device_idx]["dirs"]:
+            self.dirmap.delete(shortcode)
+        del(mounts[device_idx])
+
+    def import_audio(self, data):
+        """
+        Import audio files from external media into the 
+        """
+        shortcode, _ = data.split(".")
+        indir = self.dirmap.get(shortcode)
+        print("Importing audio:", indir)
+        print("NOT IMPLEMENTED YET")
 
     def run_io(self):
         # monitor for insert of any removable block storage devices (SD/USB)
@@ -48,7 +139,6 @@ class Archives(Bureau):
                 self._mount_and_archive(device.device_node)
 
         
-        
 def main():
     ar = Archives()
     ar.run()