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

โŒˆโŒ‹ โŽ‡ branch:  streamtuner2


Check-in [7127c48419]

Overview
Comment:Removed module_list() ordering, which is now handled by uikit.appstate. Documented plugin_meta() options, split out plugin_meta_extract() code.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 7127c4841975c0a1fe79d035a00ea2946222ab77
User & Date: mario on 2015-04-04 01:45:33
Other Links: manifest | tags
Context
2015-04-04
01:46
Removed duplicate category entries for internet_radio plugin. check-in: 3d794f312d user: mario tags: trunk
01:45
Removed module_list() ordering, which is now handled by uikit.appstate. Documented plugin_meta() options, split out plugin_meta_extract() code. check-in: 7127c48419 user: mario tags: trunk
01:44
Removed remains of [stop] button handling. Fixed url param in homepage channel callback. check-in: 5692e6ae5d user: mario tags: trunk
Changes

Modified config.py from [81150f5776] to [f0017cbe55].

289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314

315



316
317
318





319
320
321
322
323
324
325
326
327
328
329
330
331
332






333
334
335
336
337
338
339
340
341

342
343
344
345
346
347


348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
        else:
            return str(bin)
    except:
        pass


# Search through ./channels/ and get module basenames.
# Also order them by conf.channel_order
#
def module_list():

    # Should list plugins within zips as well as local paths
    ls = pkgutil.iter_modules([conf.share+"/channels", "channels"])
    ls = [name for loader,name,ispkg in ls]
    
    # resort according to configured channel tab order
    order = re.findall("\w+", conf.channel_order.lower())
    ls = [module for module in (order) if (module in ls)] + [module for module in (ls) if (module not in order)]

    return ls



# Plugin meta data extraction
#
# Extremely crude version for Python and streamtuner2 plugin usage.

# Fetches module source, or reads from filename / out of zip package.



#
def plugin_meta(fn=None, src=None, frame=1):






    # get source directly from caller
    if not src and not fn:
        module = inspect.getmodule(sys._getframe(frame))
        fn = inspect.getsourcefile(module)
        src = inspect.getcomments(module)

    # within zip archive or dir?
    elif fn:
        zip = rx.zipfn.match(fn)
        if zip and zipfile.is_zipfile(zip.group(1)):
            src = zipfile.ZipFile(zip.group(1), "r").read(zip.group(2))
        else:
            src = open(fn).read(4096)







    # defaults
    meta = {
        "id": re.sub("\.\w+$", "", os.path.basename(fn or "")),
        "fn": fn,
        "title": fn, "description": "no description", "config": [],
        "type": "module", "api": "python", "doc": ""
    }

    # extract coherent comment block, split doc section

    src = rx.comment.search(src)
    if not src:
        __print__(dbg.ERR, "Couldn't read source meta information", fn)
        return meta
    src = src.group(0)
    src = rx.hash.sub("", src).strip()


    if src.find("\n\n") > 0:
        src, meta["doc"] = src.split("\n\n", 1)
    

    # split into dict
    for field in rx.keyval.findall(src):
        meta[field[0]] = field[1].strip()
    meta["config"] = plugin_meta_config(meta.get("config") or "")

    return meta

# unpack config: structures
def plugin_meta_config(str):
    config = []
    for entry in rx.config.findall(str):
        opt = { "type": None, "name": None, "description": "", "value": None }
        for field in rx.options.findall(entry):
            opt[field[0]] = (field[1] or field[2] or field[3] or "").strip()
        config.append(opt)







|





|
<
<
<
<
<
<






>
|
>
>
>

|

>
>
>
>
>

|












>
>
>
>
>
>


|






>
|
|
|
|
|
|
>
>


|
<
|






|







289
290
291
292
293
294
295
296
297
298
299
300
301
302






303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362

363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
        else:
            return str(bin)
    except:
        pass


# Search through ./channels/ and get module basenames.
# (Reordering channel tabs is now done by uikit.apply_state.)
#
def module_list():

    # Should list plugins within zips as well as local paths
    ls = pkgutil.iter_modules([conf.share+"/channels", "channels"])
    return [name for loader,name,ispkg in ls]









# Plugin meta data extraction
#
# Extremely crude version for Python and streamtuner2 plugin usage.
# But can fetch from different sources:
#  ยท fn= to read from literal files, out of a .pyzip package
#  ยท src= to extract from pre-read script code
#  ยท module= utilizes pkgutil to read 
#  ยท frame= automatically extract comment header from caller
#
def plugin_meta(fn=None, src=None, module=None, frame=1):

    # try via pkgutil first
    if module:
       fn = module
       src = pkgutil.get_data("channels", fn+".py")

    # get source directly from caller
    elif not src and not fn:
        module = inspect.getmodule(sys._getframe(frame))
        fn = inspect.getsourcefile(module)
        src = inspect.getcomments(module)

    # within zip archive or dir?
    elif fn:
        zip = rx.zipfn.match(fn)
        if zip and zipfile.is_zipfile(zip.group(1)):
            src = zipfile.ZipFile(zip.group(1), "r").read(zip.group(2))
        else:
            src = open(fn).read(4096)

    return plugin_meta_extract(src, fn)


# Actual comment extraction logic
def plugin_meta_extract(src="", fn="", literal=False):

    # defaults
    meta = {
        "id": os.path.basename(fn or "").split(".")[0],
        "fn": fn,
        "title": fn, "description": "no description", "config": [],
        "type": "module", "api": "python", "doc": ""
    }

    # extract coherent comment block, split doc section
    if not literal:
        src = rx.comment.search(src)
        if not src:
            __print__(dbg.ERR, "Couldn't read source meta information", fn)
            return meta
        src = src.group(0)
        src = rx.hash.sub("", src).strip()
    
    # split comment block
    if src.find("\n\n") > 0:
        src, meta["doc"] = src.split("\n\n", 1)


    # key:value fields into dict
    for field in rx.keyval.findall(src):
        meta[field[0]] = field[1].strip()
    meta["config"] = plugin_meta_config(meta.get("config") or "")

    return meta

# Unpack config: structures
def plugin_meta_config(str):
    config = []
    for entry in rx.config.findall(str):
        opt = { "type": None, "name": None, "description": "", "value": None }
        for field in rx.options.findall(entry):
            opt[field[0]] = (field[1] or field[2] or field[3] or "").strip()
        config.append(opt)