Internet radio browser GUI for music/video streams from various directory services.

⌈⌋ branch:  streamtuner2


Check-in [a73f762152]

Overview
Comment:Remove url= attribute in main entry points in favour of row{}
Downloads: Tarball | ZIP archive | SQL archive
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Files: files | file ages | folders
SHA1: a73f7621529f65ad13c6110de93b80607645d586
User & Date: mario on 2015-05-24 16:58:51
Other Links: manifest | tags
Context
2015-05-24
16:59
Add missing quotes for streamripper default option. check-in: 4a3b5153d8 user: mario tags: trunk
16:58
Remove url= attribute in main entry points in favour of row{} check-in: a73f762152 user: mario tags: trunk
16:58
Undo {expand:False} attribute for CellRendererPixbuf check-in: a4d0e74658 user: mario tags: trunk
Changes

Modified action.py from [0cb40c6df9] to [2fb5f0a4d6].

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# encoding: UTF-8
# api: streamtuner2
# type: functions
# category: io
# title: play/record actions
# description: Starts audio applications, guesses MIME types for URLs
# version: 1.0
# priority: core
#
# Multimedia interface for starting audio players, recording app,
# or web browser (listed as "url/http" association in players).
# It maps audio MIME types, and extracts/converts playlist types
# (PLS, M3U, XSPF, SMIL, JSPF, ASX, raw urls).
#
................................................................................
]

# Preferred probing order of known formats
playlist_fmt_prio = [
   "pls", "xspf", "asx", "smil", "jamj", "json", "m3u", "asf", "raw"
]

# custom stream domain handlers
handler = {
    # "soundcloud": callback(),
}



# Exec wrapper
def run(cmd):
    log.EXEC(cmd)
................................................................................
    except: log.ERR("Command not found:", cmd)

# Open help browser, streamtuner2 pages
def help(*args):
    run("yelp /usr/share/doc/streamtuner2/help/")

# Invokes player/recorder for stream url and format
def run_fmt_url(row={}, audioformat="audio/mpeg", source="pls", url=None, assoc={}):
    if not url:
        url = row["url"]
    if audioformat in handler:
        handler[audioformat](row, audioformat, source, url, assoc)
    else:
        cmd = mime_app(audioformat, assoc)
        cmd = interpol(cmd, url, source, row)
        run(cmd)

# Start web browser
def browser(url):
    run_fmt_url({}, "url/http", "srv", url, conf.play)

# Calls player for stream url and format
def play(row={}, audioformat="audio/mpeg", source="pls", url=None):
    run_fmt_url(row, audioformat, source, url, conf.play)

# Call streamripper / youtube-dl / wget
def record(row={}, audioformat="audio/mpeg", source="href", url=None):
    run_fmt_url(row, audioformat, source, url, conf.record)


# OS shell command escaping
#
def quote(ins):
    if type(ins) is list:
        return " ".join(["%r" % str(s) for s in ins])
................................................................................

# Replaces instances of %m3u, %pls, %srv in a command string
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
#  · Also understands short aliases %l, %f, %d.
#  · And can embed %title or %genre placeholders.
#  · Replace .pls URL with local .m3u file depending on map.
#
def interpol(cmd, url, source="pls", row={}):

    # Inject other meta fields (%title, %genre, %playing, %format, etc.)
    row = copy.copy(row)
    for field in set(re.findall("%(\w+)", cmd)).intersection(row.keys()):
        cmd = cmd.replace("%"+field, "%r" % row.get(field))

    # Add default %pls if cmd has no %url placeholder
................................................................................
    if cmd.find("%") < 0:
        cmd = cmd + " %pls"
        # "pls" as default requires no conversion for most channels, and seems broadly supported by players

    # Playlist type placeholders (%pls, %m3u, %xspf, etc.)
    for dest, rx in placeholder_map.items():
        if re.search(rx, cmd, re.X):
            # from .pls to .m3u
            if not conf.playlist_asis:



                url = convert_playlist(url, listfmt(source), listfmt(dest), local_file=True, row=row)
            # insert quoted URL/filepath
            return re.sub(rx, quote(url), cmd, 2, re.X)

    return "/bin/false"


# Substitute streaming address with desired playlist format
................................................................................



# Generate filename for temporary .pls/m3u, with unique id
def tmp_fn(row, ext="pls"):
    # use original url for generating a hash sum
    stream_url_hash = abs(hash(str(row)))

    try: channelname = main.current_channel

    except: channelname = "unknown"
    # return temp filename
    fn = "%s/%s.%s.%s" % (str(conf.tmp), channelname, stream_url_hash, ext)
    tmp_files.append(fn)
    return fn

# Collect generated filenames
tmp_files = []

# Callback from main / after gtk_main_quit
def cleanup_tmp_files():
    if not int(conf.reuse_m3u):
        [os.remove(fn) for fn in set(tmp_files)]







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# encoding: UTF-8
# api: streamtuner2
# type: functions
# category: io
# title: play/record actions
# description: Starts audio applications, guesses MIME types for URLs
# version: 1.1
# priority: core
#
# Multimedia interface for starting audio players, recording app,
# or web browser (listed as "url/http" association in players).
# It maps audio MIME types, and extracts/converts playlist types
# (PLS, M3U, XSPF, SMIL, JSPF, ASX, raw urls).
#
................................................................................
]

# Preferred probing order of known formats
playlist_fmt_prio = [
   "pls", "xspf", "asx", "smil", "jamj", "json", "m3u", "asf", "raw"
]

# custom stream domain (with faux audioformat) handlers
handler = {
    # "audio/soundcloud": callback(),
}



# Exec wrapper
def run(cmd):
    log.EXEC(cmd)
................................................................................
    except: log.ERR("Command not found:", cmd)

# Open help browser, streamtuner2 pages
def help(*args):
    run("yelp /usr/share/doc/streamtuner2/help/")

# Invokes player/recorder for stream url and format
def run_fmt_url(row={}, audioformat="audio/mpeg", source="pls", assoc={}):


    if audioformat in handler:
        handler[audioformat](row, audioformat, source, assoc)
    else:
        cmd = mime_app(audioformat, assoc)
        cmd = interpol(cmd, source, row)
        run(cmd)

# Start web browser
def browser(url):
    run_fmt_url({}, "url/http", "srv", url, conf.play)

# Calls player for stream url and format
def play(row={}, audioformat="audio/mpeg", source="pls"):
    run_fmt_url(row, audioformat, source, conf.play)

# Call streamripper / youtube-dl / wget
def record(row={}, audioformat="audio/mpeg", source="href"):
    run_fmt_url(row, audioformat, source, conf.record)


# OS shell command escaping
#
def quote(ins):
    if type(ins) is list:
        return " ".join(["%r" % str(s) for s in ins])
................................................................................

# Replaces instances of %m3u, %pls, %srv in a command string
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
#  · Also understands short aliases %l, %f, %d.
#  · And can embed %title or %genre placeholders.
#  · Replace .pls URL with local .m3u file depending on map.
#
def interpol(cmd, source="pls", row={}):

    # Inject other meta fields (%title, %genre, %playing, %format, etc.)
    row = copy.copy(row)
    for field in set(re.findall("%(\w+)", cmd)).intersection(row.keys()):
        cmd = cmd.replace("%"+field, "%r" % row.get(field))

    # Add default %pls if cmd has no %url placeholder
................................................................................
    if cmd.find("%") < 0:
        cmd = cmd + " %pls"
        # "pls" as default requires no conversion for most channels, and seems broadly supported by players

    # Playlist type placeholders (%pls, %m3u, %xspf, etc.)
    for dest, rx in placeholder_map.items():
        if re.search(rx, cmd, re.X):
            # no conversion
            if conf.playlist_asis:
                url = row["url"]
            # e.g. from .m3u to .pls
            else:
                url = convert_playlist(row["url"], listfmt(source), listfmt(dest), local_file=True, row=row)
            # insert quoted URL/filepath
            return re.sub(rx, quote(url), cmd, 2, re.X)

    return "/bin/false"


# Substitute streaming address with desired playlist format
................................................................................



# Generate filename for temporary .pls/m3u, with unique id
def tmp_fn(row, ext="pls"):
    # use original url for generating a hash sum
    stream_url_hash = abs(hash(str(row)))
    try:
        channelname = main.current_channel
    except:
        channelname = "unknown"
    # return temp filename
    fn = "%s/%s.%s.%s" % (str(conf.tmp), channelname, stream_url_hash, ext)
    tmp_files.append(fn)
    return fn

# Collect generated filenames
tmp_files = []

# Callback from main / after gtk_main_quit
def cleanup_tmp_files():
    if not int(conf.reuse_m3u):
        [os.remove(fn) for fn in set(tmp_files)]