Added som features for audio handling (cddb, rip, encode)

CDDB.py

@@ -0,0 +1,138 @@
+import urllib
+import socket
+import os
+import urllib.parse
+import urllib.request
+import subprocess
+import logging
+from .common import KEY_ALBUM, KEY_ARTIST, KEY_GENRE, KEY_TITLE, KEY_TRACK, KEY_YEAR
+
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
+
+
+version = 2.0
+if 'EMAIL' in os.environ:
+    (default_user, hostname) = os.environ['EMAIL'].split('@')
+else:
+    default_user = os.environ['USER'] or os.geteuid() or 'user'
+    hostname = socket.gethostname() or 'host'
+
+proto = 6
+default_server = 'http://gnudb.gnudb.org/~cddb/cddb.cgi'
+
+
+def my_disc_metadata(**kwargs):
+    """Generate my disc metadata
+
+    kwargs needs to include the following data:
+        * KEY_ARTIST (str)
+        * KEY_ALBUM (str)
+        * KEY_YEAR (int) - will be converted here
+        * KEY_GENRE (str)
+        * "track_xx" (str) - where xx is the track number which will be converted to int here
+    """
+    main_dict = {}
+    for key in [KEY_ARTIST, KEY_ALBUM, KEY_YEAR, KEY_GENRE]:
+        try:
+            value = kwargs.pop(key)
+        except KeyError:
+            logger.error("Information is missing in kwargs - key=%s", key)
+            return None
+        if key in [KEY_YEAR]:
+            try:
+                main_dict[key] = int(value)
+            except ValueError:
+                logger.error("Can't convert %s (key=%s) to integer value", value, key)
+                return None
+        else:
+            main_dict[key] = value
+    rv = dict(main_dict)
+    rv["tracks"] = []
+    for key in list(kwargs):
+        value = kwargs.pop(key)
+        if key.startswith("track_"):
+            track = dict(main_dict)
+            try:
+                track[KEY_TRACK] = int(key[6:])
+            except ValueError:
+                logger.warning("Useless information kwargs - kwargs[%s] = %s", key, repr(value))
+            track[KEY_TITLE] = value
+            rv["tracks"].append(track)
+        else:
+            logger.warning("Useless information kwargs - key=%s", key)
+    return rv
+
+
+def query(data_str, server_url=default_server, user=default_user, host=hostname, client_name=ROOT_LOGGER_NAME, client_version=version):
+    url = f"{server_url}?cmd=cddb+query+{data_str}&hello={user}+{host}+{client_name}+{client_version}&proto={proto}"
+    response = urllib.request.urlopen(url)
+    header = response.readline().decode("utf-8").rstrip().split(" ", 3)
+    header[0] = int(header[0])
+
+    if header[0] not in (210, ):
+        logger.error("Error while querying cddb entry: \"%d - %s\"", header[0], header[3])
+        return None
+
+    rv = {}
+    for line in response.readlines():
+        line = line.decode("utf-8").rstrip()
+        if line == '.':                # end of matches
+            break
+        dummy, did, txt = line.split(" ", 2)
+        rv[did] = txt
+    return rv
+
+
+def cddb(disc_id, server_url=default_server, user=default_user, host=hostname, client_name=ROOT_LOGGER_NAME, client_version=version):
+    KEY_TRANSLATOR = {
+        "DGENRE": KEY_GENRE,
+        "DYEAR": KEY_YEAR
+    }
+    #
+    url = f"{server_url}?cmd=cddb+read+data+{disc_id}&hello={default_server}+{hostname}+{client_name}+{client_version}&proto={proto}"
+    response = urllib.request.urlopen(url)
+
+    header = response.readline().decode("utf-8").rstrip().split(" ", 3)
+    header[0] = int(header[0])
+
+    if header[0] not in (210, ):
+        logger.error("Error while reading cddb entry: \"%d - %s\"", header[1], header[3])
+        return None
+    data = {}
+    for line in response.readlines():
+        line = line.decode("utf-8").rstrip()
+        if line == '.':                # end of matches
+            break
+        if not line.startswith("#"):
+            match = line.split('=', 2)
+            key = KEY_TRANSLATOR.get(match[0])
+            value = match[1].strip()
+            if key:
+                if key == KEY_YEAR:
+                    value = int(value)
+                data[key] = value
+            elif match[0] == "DTITLE":
+                art_tit = value.split("/", 2)
+                data[KEY_ARTIST] = art_tit[0].strip()
+                data[KEY_ALBUM] = art_tit[1].strip()
+            elif match[0].startswith("TTITLE"):
+                data["track_%02d" % (int(match[0][6:]) + 1)] = value
+            else:
+                logger.debug("cddb line ignored: \"%s\"", line)
+    return my_disc_metadata(**data)
+
+
+def discid():
+    discid_cmd = subprocess.getoutput("which cd-discid")
+    if not discid_cmd:
+        logger.error("cd-discid is required for encoding. You need to install it to your system.")
+        return None
+    else:
+        try:
+            return subprocess.check_output(discid_cmd).decode("utf-8").strip().replace(" ", "+")
+        except subprocess.CalledProcessError as e:
+            return None

__init__.py

@@ -22,203 +22,52 @@ media (Media Tools)
 
     See also the :download:`unittest <../../media/_testresults_/unittest.pdf>` documentation.
 """
+from .common import CALLBACK_CDDB_CHOICE
+from .common import CALLBACK_MAN_INPUT
+from .common import get_disc_device
+from .common import KEY_ALBUM
+from .common import KEY_APERTURE
+from .common import KEY_ARTIST
+from .common import KEY_BITRATE
+from .common import KEY_CAMERA
+from .common import KEY_DURATION
+from .common import KEY_EXPOSURE_PROGRAM
+from .common import KEY_EXPOSURE_TIME
+from .common import KEY_FLASH
+from .common import KEY_FOCAL_LENGTH
+from .common import KEY_GENRE
+from .common import KEY_GPS
+from .common import KEY_HEIGHT
+from .common import KEY_ISO
+from .common import KEY_ORIENTATION
+from .common import KEY_RATIO
+from .common import KEY_SIZE
+from .common import KEY_TIME
+from .common import KEY_TIME_IS_SUBSTITUTION
+from .common import KEY_TITLE
+from .common import KEY_TRACK
+from .common import KEY_WIDTH
+from .common import KEY_YEAR
+from .convert import disc_track_rip
+from .convert import wav_to_mp3
+from .convert import track_to_targetpath
+from .image import image
+from .image import ORIENTATION_HALF_ROTATED
+from .image import ORIENTATION_HORIZONTAL_MIRRORED
+from .image import ORIENTATION_LEFT_ROTATED
+from .image import ORIENTATION_NORMAL
+from .image import ORIENTATION_RIGHT_ROTATED
+from .image import ORIENTATION_VERTICAL_MIRRORED
+from .image import JOIN_BOT_LEFT, JOIN_BOT_RIGHT
+from .image import JOIN_CENTER
+from .image import JOIN_TOP_LEFT
+from .image import JOIN_TOP_RIGHT
+from .metadata import get_media_data
 __DEPENDENCIES__ = []
 
-import io
-import logging
-from PIL import Image, ImageEnhance, ExifTags
-
-try:
-    from config import APP_NAME as ROOT_LOGGER_NAME
-except ImportError:
-    ROOT_LOGGER_NAME = 'root'
-logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
-
 
 __DESCRIPTION__ = """The Module {\\tt %s} is designed to help on all issues with media files, like tags (e.g. exif, id3) and transformations.
 For more Information read the documentation.""" % __name__.replace('_', '\_')
 """The Module Description"""
 __INTERPRETER__ = (3, )
 """The Tested Interpreter-Versions"""
-
-
-KEY_ALBUM = 'album'
-KEY_APERTURE = 'aperture'
-KEY_ARTIST = 'artist'
-KEY_BITRATE = 'bitrate'
-KEY_CAMERA = 'camera'
-KEY_DURATION = 'duration'
-KEY_EXPOSURE_PROGRAM = 'exposure_program'
-KEY_EXPOSURE_TIME = 'exposure_time'
-KEY_FLASH = 'flash'
-KEY_FOCAL_LENGTH = 'focal_length'
-KEY_GENRE = 'genre'
-KEY_GPS = 'gps'
-KEY_HEIGHT = 'height'
-KEY_ISO = 'iso'
-KEY_ORIENTATION = 'orientation'
-KEY_RATIO = 'ratio'
-KEY_SIZE = 'size'
-KEY_TIME = 'time'   # USE time.localtime(value) or datetime.fromtimestamp(value) to convert the timestamp
-KEY_TIME_IS_SUBSTITUTION = 'tm_is_subst'
-KEY_TITLE = 'title'
-KEY_TRACK = 'track'
-KEY_WIDTH = 'width'
-KEY_YEAR = 'year'
-
-
-def get_media_data(full_path):
-    from media.metadata import get_audio_data, get_image_data, get_video_data
-    from media.common import get_filetype, FILETYPE_AUDIO, FILETYPE_IMAGE, FILETYPE_VIDEO
-    #
-    ft = get_filetype(full_path)
-    #
-    if ft == FILETYPE_AUDIO:
-        return get_audio_data(full_path)
-    elif ft == FILETYPE_IMAGE:
-        return get_image_data(full_path)
-    elif ft == FILETYPE_VIDEO:
-        return get_video_data(full_path)
-    else:
-        logger.warning('Filetype not known: %s', full_path)
-
-
-ORIENTATION_NORMAL = 1
-ORIENTATION_VERTICAL_MIRRORED = 2
-ORIENTATION_HALF_ROTATED = 3
-ORIENTATION_HORIZONTAL_MIRRORED = 4
-ORIENTATION_LEFT_ROTATED = 6
-ORIENTATION_RIGHT_ROTATED = 8
-
-JOIN_TOP_LEFT = 1
-JOIN_TOP_RIGHT = 2
-JOIN_BOT_LEFT = 3
-JOIN_BOT_RIGHT = 4
-JOIN_CENTER = 5
-
-
-class image(object):
-    def __init__(self, media_instance=None):
-        if media_instance is not None:
-            self.load_from_file(media_instance)
-        else:
-            self._im = None
-
-    def load_from_file(self, media_instance):
-        from media.convert import get_pil_image
-        #
-        self._im = get_pil_image(media_instance)
-        if self._im is None:
-            return False
-        try:
-            self._exif = dict(self._im._getexif().items())
-        except AttributeError:
-            self._exif = {}
-        if type(self._im) is not Image.Image:
-            self._im = self._im.copy()
-        logger.debug('loading image from %s', repr(media_instance))
-        return True
-
-    def save(self, full_path):
-        if self._im is None:
-            logger.warning('No image available to be saved (%s)', repr(full_path))
-            return False
-        else:
-            logger.debug('Saving image to %s', repr(full_path))
-            with open(full_path, 'w') as fh:
-                im = self._im.convert('RGB')
-                im.save(fh, 'JPEG')
-        return True
-
-    def image_data(self):
-        im = self._im.copy().convert('RGB')
-        output = io.BytesIO()
-        im.save(output, format='JPEG')
-        return output.getvalue()
-
-    def resize(self, max_size):
-        if self._im is None:
-            logger.warning('No image available to be resized')
-            return False
-        else:
-            logger.debug('Resizing picture to max %d pixel in whatever direction', max_size)
-            x, y = self._im.size
-            xy_max = max(x, y)
-            self._im = self._im.resize((int(x * float(max_size) / xy_max), int(y * float(max_size) / xy_max)), Image.NEAREST).rotate(0)
-        return True
-
-    def rotate_by_orientation(self, orientation=None):
-        if self._im is None:
-            logger.warning('No image available, rotation not possible')
-            return False
-
-        if orientation is None:
-            exif_tags = dict((v, k) for k, v in ExifTags.TAGS.items())
-            try:
-                orientation = self._exif[exif_tags['Orientation']]
-                logger.debug("No orientation given, orientation %s extract from exif data", repr(orientation))
-            except KeyError:
-                return False
-
-        if orientation == ORIENTATION_HALF_ROTATED:
-            angle = 180
-        elif orientation == ORIENTATION_LEFT_ROTATED:
-            angle = 270
-        elif orientation == ORIENTATION_RIGHT_ROTATED:
-            angle = 90
-        else:
-            if type(orientation) == int and orientation > 8:
-                logger.warning('Orientation %s unknown for rotation', repr(orientation))
-            return False
-        logger.debug('Rotating picture by %d (deg)', angle)
-        self._im = self._im.rotate(angle, expand=True)
-        return True
-
-    def join(self, join_image, join_pos=JOIN_TOP_RIGHT, opacity=0.7):
-        from media.convert import get_pil_image
-
-        def rgba_copy(im):
-            if im.mode != 'RGBA':
-                return im.convert('RGBA')
-            else:
-                return im.copy()
-
-        if self._im is None:
-            logger.warning('No image available, joining not possible')
-            return False
-
-        # ensure type of join_image is PIL.Image
-        join_image = get_pil_image(join_image)
-        if join_image is None:
-            logger.warning('Image to be joined is not supported %s', repr(join_image))
-            return False
-
-        im2 = rgba_copy(join_image)
-        # change opacity of im2
-        alpha = im2.split()[3]
-        alpha = ImageEnhance.Brightness(alpha).enhance(opacity)
-        im2.putalpha(alpha)
-
-        self._im = rgba_copy(self._im)
-
-        # create a transparent layer
-        layer = Image.new('RGBA', self._im.size, (0, 0, 0, 0))
-        # draw im2 in layer
-        if join_pos == JOIN_TOP_LEFT:
-            layer.paste(im2, (0, 0))
-        elif join_pos == JOIN_TOP_RIGHT:
-            layer.paste(im2, ((self._im.size[0] - im2.size[0]), 0))
-        elif join_pos == JOIN_BOT_LEFT:
-            layer.paste(im2, (0, (self._im.size[1] - im2.size[1])))
-        elif join_pos == JOIN_BOT_RIGHT:
-            layer.paste(im2, ((self._im.size[0] - im2.size[0]), (self._im.size[1] - im2.size[1])))
-        elif join_pos == JOIN_CENTER:
-            layer.paste(im2, (int((self._im.size[0] - im2.size[0]) / 2), int((self._im.size[1] - im2.size[1]) / 2)))
-        else:
-            logger.warning("Join position value %s is not supported", join_pos)
-            return False
-
-        logger.debug('Joining two images')
-        self._im = Image.composite(layer, self._im, layer)
-
-        return True

common.py

@@ -1,12 +1,42 @@
 import os
+import discid
+
+KEY_ALBUM = 'album'
+KEY_APERTURE = 'aperture'
+KEY_ARTIST = 'artist'
+KEY_BITRATE = 'bitrate'
+KEY_CAMERA = 'camera'
+KEY_DURATION = 'duration'
+KEY_EXPOSURE_PROGRAM = 'exposure_program'
+KEY_EXPOSURE_TIME = 'exposure_time'
+KEY_FLASH = 'flash'
+KEY_FOCAL_LENGTH = 'focal_length'
+KEY_GENRE = 'genre'
+KEY_GPS = 'gps'
+KEY_HEIGHT = 'height'
+KEY_ISO = 'iso'
+KEY_ORIENTATION = 'orientation'
+KEY_RATIO = 'ratio'
+KEY_SIZE = 'size'
+KEY_TIME = 'time'   # USE time.localtime(value) or datetime.fromtimestamp(value) to convert the timestamp
+KEY_TIME_IS_SUBSTITUTION = 'tm_is_subst'
+KEY_TITLE = 'title'
+KEY_TRACK = 'track'
+KEY_WIDTH = 'width'
+KEY_YEAR = 'year'
 
 FILETYPE_AUDIO = 'audio'
 FILETYPE_IMAGE = 'image'
 FILETYPE_VIDEO = 'video'
+FILETYPE_DISC = 'disc'
+
+CALLBACK_CDDB_CHOICE = 0
+CALLBACK_MAN_INPUT = 1
 
 EXTENTIONS_AUDIO = ['.mp3', ]
 EXTENTIONS_IMAGE = ['.jpg', '.jpeg', '.jpe', '.png', '.tif', '.tiff', '.gif', ]
 EXTENTIONS_VIDEO = ['.avi', '.mpg', '.mpeg', '.mpe', '.mov', '.qt', '.mp4', '.webm', '.ogv', '.flv', '.3gp', ]
+PREFIX_DISC = '/dev/'
 
 
 def get_filetype(full_path):
@@ -17,3 +47,9 @@ def get_filetype(full_path):
         return FILETYPE_IMAGE
     elif ext in EXTENTIONS_VIDEO:
         return FILETYPE_VIDEO
+    elif full_path.startswith(PREFIX_DISC):
+        return FILETYPE_DISC
+
+
+def get_disc_device():
+    return discid.get_default_device()

convert.py

@@ -1,8 +1,17 @@
 import io
-from media import common, logger
+from media import common
 from PIL import Image
 import subprocess
 import platform
+import logging
+import os
+import subprocess
+
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
 
 
 def get_pil_image(media_instance):
@@ -33,3 +42,94 @@ def get_pil_image(media_instance):
         return media_instance.copy()
     else:
         logger.warning('Instance type is not supported: %s' % type(media_instance))
+
+
+def FilenameFilter(filename: str) -> str:
+    # WHITELIST = [os.path.sep, os.path.extsep]
+    WHITELIST = [chr(x) for x in range(ord('0'), ord('9') + 1)]
+    WHITELIST += [chr(x) for x in range(ord('a'), ord('z') + 1)]
+    WHITELIST += ["ä", "ö", "ü", "ß"]
+    #
+    rv = ""
+    for c in filename.lower():
+        rv += c if c in WHITELIST else '_'
+    return rv
+
+
+def track_to_targetpath(basepath: str, track: dict, ext: str):
+    return os.path.join(
+        basepath,
+        FilenameFilter(track[common.KEY_ARTIST]),
+        "%04d_" % track[common.KEY_YEAR] + FilenameFilter(track[common.KEY_ALBUM]),
+        "%02d_" % track[common.KEY_TRACK] + FilenameFilter(track[common.KEY_TITLE]) + "." + ext
+    )
+
+
+def disc_track_rip(track_num: int, target_file: str, progress_callback):
+    FAC_SEC_VAL = 1224
+    #
+    cdp_cmd = subprocess.getoutput("which cdparanoia")
+    if not cdp_cmd:
+        logger.error("cdparanoia is required for ripping. You need to install it to your system.")
+    else:
+        cmd = [cdp_cmd, "-e", "-X", "%d" % track_num, target_file]
+        cdp = subprocess.Popen(cmd, text=True, stderr=subprocess.PIPE)
+        #
+        rval = 0
+        min_sec = None
+        max_sec = None
+        min_read = None
+        while (out := cdp.stderr.readline()) != "":
+            out = out.strip()
+            # identify minimum sector
+            if ("Ripping from sector" in out):
+                min_sec = int(list(filter(None, out.split(" ")))[3])
+            # identify maximum sector
+            if ("to sector" in out):
+                max_sec = int(list(filter(None, out.split(" ")))[2])
+            # identify progress
+            if "[read]" in out:
+                val = int(out.split(" ")[-1])
+                if not min_read:
+                    min_read = val
+                rval = max(val, rval)
+                try:
+                    dsec = max_sec - min_sec
+                except TypeError:
+                    logger.exception("Error while parsing cdparanoia. Start and End sector could not be detrmined.")
+                else:
+                    p = (rval - min_read) / FAC_SEC_VAL / dsec
+                    p = min(p, 1)
+                    progress_callback(p)
+        progress_callback(1)
+        return cdp.wait()
+
+
+def wav_to_mp3(infile: str, basepath: str, track_information, progress_callback, bitrate=256, vbr=0, quaulity=0):
+    lame_parameter = {
+        common.KEY_ARTIST: '--ta',
+        common.KEY_ALBUM: '--tl',
+        common.KEY_YEAR: '--ty',
+        common.KEY_GENRE: '--tg',
+        common.KEY_TRACK: '--tn',
+        common.KEY_TITLE: '--tt'
+    }
+    lame_cmd = subprocess.getoutput("which lame")
+    if not lame_cmd:
+        logger.error("lame is required for encoding. You need to install it to your system.")
+    else:
+        outfile = track_to_targetpath(basepath, track_information, 'mp3')
+        cmd = [lame_cmd, "-b", str(bitrate), "-V", str(vbr), "--vbr-old", "-q", str(quaulity), infile, outfile]
+        cmd.extend(["--tc", "Encoded by lame"])
+        for key in track_information:
+            cmd.extend([lame_parameter[key], str(track_information[key])])
+        lame = subprocess.Popen(cmd, text=True, stderr=subprocess.PIPE)
+        while (out := lame.stderr.readline()) != "":
+            out = out.strip()
+            posb = out.find("(")
+            posp = out.find("%")
+            if posb >= 0 and posp >= 0:
+                p = int(out[posb+1:posp]) / 100
+                progress_callback(p)
+        progress_callback(1)
+        return lame.wait()

image.py

@@ -0,0 +1,150 @@
+import io
+import logging
+from PIL import Image, ImageEnhance, ExifTags
+
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
+
+
+ORIENTATION_NORMAL = 1
+ORIENTATION_VERTICAL_MIRRORED = 2
+ORIENTATION_HALF_ROTATED = 3
+ORIENTATION_HORIZONTAL_MIRRORED = 4
+ORIENTATION_LEFT_ROTATED = 6
+ORIENTATION_RIGHT_ROTATED = 8
+
+JOIN_TOP_LEFT = 1
+JOIN_TOP_RIGHT = 2
+JOIN_BOT_LEFT = 3
+JOIN_BOT_RIGHT = 4
+JOIN_CENTER = 5
+
+
+class image(object):
+    def __init__(self, media_instance=None):
+        if media_instance is not None:
+            self.load_from_file(media_instance)
+        else:
+            self._im = None
+
+    def load_from_file(self, media_instance):
+        from media.convert import get_pil_image
+        #
+        self._im = get_pil_image(media_instance)
+        if self._im is None:
+            return False
+        try:
+            self._exif = dict(self._im._getexif().items())
+        except AttributeError:
+            self._exif = {}
+        if type(self._im) is not Image.Image:
+            self._im = self._im.copy()
+        logger.debug('loading image from %s', repr(media_instance))
+        return True
+
+    def save(self, full_path):
+        if self._im is None:
+            logger.warning('No image available to be saved (%s)', repr(full_path))
+            return False
+        else:
+            logger.debug('Saving image to %s', repr(full_path))
+            with open(full_path, 'w') as fh:
+                im = self._im.convert('RGB')
+                im.save(fh, 'JPEG')
+        return True
+
+    def image_data(self):
+        im = self._im.copy().convert('RGB')
+        output = io.BytesIO()
+        im.save(output, format='JPEG')
+        return output.getvalue()
+
+    def resize(self, max_size):
+        if self._im is None:
+            logger.warning('No image available to be resized')
+            return False
+        else:
+            logger.debug('Resizing picture to max %d pixel in whatever direction', max_size)
+            x, y = self._im.size
+            xy_max = max(x, y)
+            self._im = self._im.resize((int(x * float(max_size) / xy_max), int(y * float(max_size) / xy_max)), Image.NEAREST).rotate(0)
+        return True
+
+    def rotate_by_orientation(self, orientation=None):
+        if self._im is None:
+            logger.warning('No image available, rotation not possible')
+            return False
+
+        if orientation is None:
+            exif_tags = dict((v, k) for k, v in ExifTags.TAGS.items())
+            try:
+                orientation = self._exif[exif_tags['Orientation']]
+                logger.debug("No orientation given, orientation %s extract from exif data", repr(orientation))
+            except KeyError:
+                return False
+
+        if orientation == ORIENTATION_HALF_ROTATED:
+            angle = 180
+        elif orientation == ORIENTATION_LEFT_ROTATED:
+            angle = 270
+        elif orientation == ORIENTATION_RIGHT_ROTATED:
+            angle = 90
+        else:
+            if type(orientation) == int and orientation > 8:
+                logger.warning('Orientation %s unknown for rotation', repr(orientation))
+            return False
+        logger.debug('Rotating picture by %d (deg)', angle)
+        self._im = self._im.rotate(angle, expand=True)
+        return True
+
+    def join(self, join_image, join_pos=JOIN_TOP_RIGHT, opacity=0.7):
+        from media.convert import get_pil_image
+
+        def rgba_copy(im):
+            if im.mode != 'RGBA':
+                return im.convert('RGBA')
+            else:
+                return im.copy()
+
+        if self._im is None:
+            logger.warning('No image available, joining not possible')
+            return False
+
+        # ensure type of join_image is PIL.Image
+        join_image = get_pil_image(join_image)
+        if join_image is None:
+            logger.warning('Image to be joined is not supported %s', repr(join_image))
+            return False
+
+        im2 = rgba_copy(join_image)
+        # change opacity of im2
+        alpha = im2.split()[3]
+        alpha = ImageEnhance.Brightness(alpha).enhance(opacity)
+        im2.putalpha(alpha)
+
+        self._im = rgba_copy(self._im)
+
+        # create a transparent layer
+        layer = Image.new('RGBA', self._im.size, (0, 0, 0, 0))
+        # draw im2 in layer
+        if join_pos == JOIN_TOP_LEFT:
+            layer.paste(im2, (0, 0))
+        elif join_pos == JOIN_TOP_RIGHT:
+            layer.paste(im2, ((self._im.size[0] - im2.size[0]), 0))
+        elif join_pos == JOIN_BOT_LEFT:
+            layer.paste(im2, (0, (self._im.size[1] - im2.size[1])))
+        elif join_pos == JOIN_BOT_RIGHT:
+            layer.paste(im2, ((self._im.size[0] - im2.size[0]), (self._im.size[1] - im2.size[1])))
+        elif join_pos == JOIN_CENTER:
+            layer.paste(im2, (int((self._im.size[0] - im2.size[0]) / 2), int((self._im.size[1] - im2.size[1]) / 2)))
+        else:
+            logger.warning("Join position value %s is not supported", join_pos)
+            return False
+
+        logger.debug('Joining two images')
+        self._im = Image.composite(layer, self._im, layer)
+
+        return True

metadata.py

@@ -1,47 +1,131 @@
-import logging
-import os
-from PIL import Image
-import math
-import media
-import subprocess
+import media.CDDB
 import time
+import subprocess
+from media import common
+import math
+from PIL import Image
+import os
+import logging
+import sys
 
 
-logger = media.logger
-
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
+try:
+    import discid
+except OSError:
+    logger.exception("You might install python3-libdiscid")
 
 __KEY_CAMERA_VENDOR__ = 'camera_vendor'
 __KEY_CAMERA_MODEL__ = 'camera_model'
 
 
+def get_media_data(full_path, user_callback=None):
+    #
+    ft = common.get_filetype(full_path)
+    #
+    if ft == common.FILETYPE_AUDIO:
+        return get_audio_data(full_path)
+    elif ft == common.FILETYPE_IMAGE:
+        return get_image_data(full_path)
+    elif ft == common.FILETYPE_VIDEO:
+        return get_video_data(full_path)
+    elif ft == common.FILETYPE_DISC:
+        return get_disc_data(full_path, user_callback)
+    else:
+        logger.warning('Filetype not known: %s', full_path)
+
+
 def get_audio_data(full_path):
     conv_key_dict = {}
-    conv_key_dict['album'] = (str, media.KEY_ALBUM)
-    conv_key_dict['TAG:album'] = (str, media.KEY_ALBUM)
-    conv_key_dict['TAG:artist'] = (str, media.KEY_ARTIST)
-    conv_key_dict['artist'] = (str, media.KEY_ARTIST)
-    conv_key_dict['bit_rate'] = (__int_conv__, media.KEY_BITRATE)
-    conv_key_dict['duration'] = (float, media.KEY_DURATION)
-    conv_key_dict['TAG:genre'] = (str, media.KEY_GENRE)
-    conv_key_dict['genre'] = (str, media.KEY_GENRE)
-    conv_key_dict['TAG:title'] = (str, media.KEY_TITLE)
-    conv_key_dict['title'] = (str, media.KEY_TITLE)
-    conv_key_dict['TAG:track'] = (__int_conv__, media.KEY_TRACK)
-    conv_key_dict['track'] = (__int_conv__, media.KEY_TRACK)
-    conv_key_dict['TAG:date'] = (__int_conv__, media.KEY_YEAR)
-    conv_key_dict['date'] = (__int_conv__, media.KEY_YEAR)
+    conv_key_dict['album'] = (str, common.KEY_ALBUM)
+    conv_key_dict['TAG:album'] = (str, common.KEY_ALBUM)
+    conv_key_dict['TAG:artist'] = (str, common.KEY_ARTIST)
+    conv_key_dict['artist'] = (str, common.KEY_ARTIST)
+    conv_key_dict['bit_rate'] = (__int_conv__, common.KEY_BITRATE)
+    conv_key_dict['duration'] = (float, common.KEY_DURATION)
+    conv_key_dict['TAG:genre'] = (str, common.KEY_GENRE)
+    conv_key_dict['genre'] = (str, common.KEY_GENRE)
+    conv_key_dict['TAG:title'] = (str, common.KEY_TITLE)
+    conv_key_dict['title'] = (str, common.KEY_TITLE)
+    conv_key_dict['TAG:track'] = (__int_conv__, common.KEY_TRACK)
+    conv_key_dict['track'] = (__int_conv__, common.KEY_TRACK)
+    conv_key_dict['TAG:date'] = (__int_conv__, common.KEY_YEAR)
+    conv_key_dict['date'] = (__int_conv__, common.KEY_YEAR)
     return __adapt__data__(__get_xxprobe_data__(full_path, conv_key_dict), full_path)
 
 
+def get_disc_data(full_path, user_callback):
+    #
+    # Read Information from CDDB database
+    #
+    did = media.CDDB.discid()
+    if did is None:
+        logger.error("Could not determine disc id...")
+        sys.exit(1)
+    q = media.CDDB.query(did)
+    if q is None:
+        data = {
+            common.KEY_ARTIST: None,
+            common.KEY_ALBUM: None,
+            common.KEY_YEAR: None,
+            common.KEY_GENRE: None
+        }
+        for i in range(0, int(did.split('+')[1])):
+            data["track_%02d" % (i + 1)] = None
+        data = user_callback(common.CALLBACK_MAN_INPUT, data)
+        return media.CDDB.my_disc_metadata(**data)
+
+    if len(q) == 1:
+        # Only one entry
+        did = tuple(q.keys())[0]
+    else:
+        # multiple entries (choose)
+        if user_callback is None:
+            logger.warning("No usercallback to handle multiple cddb choices...")
+            sys.exit(1)
+        did = user_callback(common.CALLBACK_CDDB_CHOICE, q)
+
+    return media.CDDB.cddb(did)
+    """
+    musicbrainzngs.set_useragent("pyrip", "0.1", "your@mail")
+    disc = discid.read()
+    disc_id = disc.id
+    disc_data = {}
+    try:
+        result = musicbrainzngs.get_releases_by_discid(disc_id, includes=["artists", "recordings"])
+    except musicbrainzngs.ResponseError:
+        logger.exception("disc not found or bad response")
+        sys.exit(1)
+    else:
+        disc_data[common.KEY_ARTIST] = result["disc"]["release-list"][0]["artist-credit-phrase"]
+        disc_data[common.KEY_ALBUM] = result["disc"]["release-list"][0]["title"]
+        disc_data[common.KEY_YEAR] = int(result["disc"]["release-list"][0]["date"][:4])
+        data_copy = dict(disc_data)
+        disc_data["id"] = result["disc"]["release-list"][0]["id"]
+        disc_data["tracks"] = []
+        # get tracklist
+        for entry in result["disc"]["release-list"][0]["medium-list"][0]["track-list"]:
+            track = dict(data_copy)
+            track[common.KEY_TITLE] = entry["recording"]["title"]
+            track[common.KEY_TRACK] = int(entry['number'])
+            disc_data["tracks"].append(track)
+    return disc_data
+    """
+
+
 def get_video_data(full_path):
     conv_key_dict = {}
-    conv_key_dict['creation_time'] = (__vid_datetime_conv__, media.KEY_TIME)
-    conv_key_dict['TAG:creation_time'] = (__vid_datetime_conv__, media.KEY_TIME)
-    conv_key_dict['bit_rate'] = (__int_conv__, media.KEY_BITRATE)
-    conv_key_dict['duration'] = (float, media.KEY_DURATION)
-    conv_key_dict['height'] = (__int_conv__, media.KEY_HEIGHT)
-    conv_key_dict['width'] = (__int_conv__, media.KEY_WIDTH)
-    conv_key_dict['display_aspect_ratio'] = (__ratio_conv__, media.KEY_RATIO)
+    conv_key_dict['creation_time'] = (__vid_datetime_conv__, common.KEY_TIME)
+    conv_key_dict['TAG:creation_time'] = (__vid_datetime_conv__, common.KEY_TIME)
+    conv_key_dict['bit_rate'] = (__int_conv__, common.KEY_BITRATE)
+    conv_key_dict['duration'] = (float, common.KEY_DURATION)
+    conv_key_dict['height'] = (__int_conv__, common.KEY_HEIGHT)
+    conv_key_dict['width'] = (__int_conv__, common.KEY_WIDTH)
+    conv_key_dict['display_aspect_ratio'] = (__ratio_conv__, common.KEY_RATIO)
     return __adapt__data__(__get_xxprobe_data__(full_path, conv_key_dict), full_path)
 
 
@@ -50,25 +134,25 @@ def get_image_data(full_path):
 
 
 def __adapt__data__(data, full_path):
-    data[media.KEY_SIZE] = os.path.getsize(full_path)
+    data[common.KEY_SIZE] = os.path.getsize(full_path)
     # Join Camera Vendor and Camera Model
     if __KEY_CAMERA_MODEL__ in data and __KEY_CAMERA_VENDOR__ in data:
         model = data.pop(__KEY_CAMERA_MODEL__)
         vendor = data.pop(__KEY_CAMERA_VENDOR__)
-        data[media.KEY_CAMERA] = '%s: %s' % (vendor, model)
+        data[common.KEY_CAMERA] = '%s: %s' % (vendor, model)
     # Add time if not exists
-    if media.KEY_TIME not in data:
-        if media.KEY_YEAR in data and media.KEY_TRACK in data:
-            if data[media.KEY_YEAR] != 0:  # ignore year 0 - must be wrong
+    if common.KEY_TIME not in data:
+        if common.KEY_YEAR in data and common.KEY_TRACK in data:
+            if data[common.KEY_YEAR] != 0:  # ignore year 0 - must be wrong
                 # Use a date where track 1 is the newest in the given year
-                minute = int(data[media.KEY_TRACK] / 60)
-                second = (data[media.KEY_TRACK] - 60 * minute) % 60
+                minute = int(data[common.KEY_TRACK] / 60)
+                second = (data[common.KEY_TRACK] - 60 * minute) % 60
                 #
-                data[media.KEY_TIME] = int(time.mktime((data[media.KEY_YEAR], 1, 1, 0, 59 - minute, 59 - second, 0, 0, 0)))
-                data[media.KEY_TIME_IS_SUBSTITUTION] = True
+                data[common.KEY_TIME] = int(time.mktime((data[common.KEY_YEAR], 1, 1, 0, 59 - minute, 59 - second, 0, 0, 0)))
+                data[common.KEY_TIME_IS_SUBSTITUTION] = True
         else:
-            data[media.KEY_TIME] = int(os.path.getmtime(full_path))
-            data[media.KEY_TIME_IS_SUBSTITUTION] = True
+            data[common.KEY_TIME] = int(os.path.getmtime(full_path))
+            data[common.KEY_TIME_IS_SUBSTITUTION] = True
     return data
 
 
@@ -114,19 +198,19 @@ def __get_exif_data__(full_path):
     else:
         conv_key_dict = {}
         # IMAGE
-        conv_key_dict[0x9003] = (__datetime_conv__, media.KEY_TIME)
-        conv_key_dict[0x8822] = (__exposure_program_conv__, media.KEY_EXPOSURE_PROGRAM)
-        conv_key_dict[0x829A] = (__num_denum_conv__, media.KEY_EXPOSURE_TIME)
-        conv_key_dict[0x9209] = (__flash_conv__, media.KEY_FLASH)
-        conv_key_dict[0x829D] = (__num_denum_conv__, media.KEY_APERTURE)
-        conv_key_dict[0x920A] = (__num_denum_conv__, media.KEY_FOCAL_LENGTH)
-        conv_key_dict[0x8825] = (__gps_conv__, media.KEY_GPS)
-        conv_key_dict[0xA003] = (__int_conv__, media.KEY_HEIGHT)
-        conv_key_dict[0x8827] = (__int_conv__, media.KEY_ISO)
+        conv_key_dict[0x9003] = (__datetime_conv__, common.KEY_TIME)
+        conv_key_dict[0x8822] = (__exposure_program_conv__, common.KEY_EXPOSURE_PROGRAM)
+        conv_key_dict[0x829A] = (__num_denum_conv__, common.KEY_EXPOSURE_TIME)
+        conv_key_dict[0x9209] = (__flash_conv__, common.KEY_FLASH)
+        conv_key_dict[0x829D] = (__num_denum_conv__, common.KEY_APERTURE)
+        conv_key_dict[0x920A] = (__num_denum_conv__, common.KEY_FOCAL_LENGTH)
+        conv_key_dict[0x8825] = (__gps_conv__, common.KEY_GPS)
+        conv_key_dict[0xA003] = (__int_conv__, common.KEY_HEIGHT)
+        conv_key_dict[0x8827] = (__int_conv__, common.KEY_ISO)
         conv_key_dict[0x010F] = (str, __KEY_CAMERA_VENDOR__)
         conv_key_dict[0x0110] = (str, __KEY_CAMERA_MODEL__)
-        conv_key_dict[0x0112] = (__int_conv__, media.KEY_ORIENTATION)
-        conv_key_dict[0xA002] = (__int_conv__, media.KEY_WIDTH)
+        conv_key_dict[0x0112] = (__int_conv__, common.KEY_ORIENTATION)
+        conv_key_dict[0xA002] = (__int_conv__, common.KEY_WIDTH)
         for key in conv_key_dict:
             if key in exif:
                 tp, name = conv_key_dict[key]

requirements.txt

@@ -0,0 +1,2 @@
+pillow
+discid