Python Debug.out方法代码示例

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def searchBy_Title(self, searchStr):
		"""	Search the library by song title where searchStr matches the title.
			NB: If searchStr consists of multiple words then ALL words must be found within the title to make a match.
			
			arguments:
				searchStr	as  string	"word1 word2..."
			returns:
				list	[songID1, songID2, ...] of songIDs that match the search criteria
		"""
		
		Debug.out("Searching", len(self.songs), "song titles")
		t1 = time.time()
		
		wordList = MakeWordlist(searchStr)
		
		matchedSongs = []
		for songID, songData in self.songs.iteritems():
			songTitle = songData['title-search']
			asciiSongTitle = songData['title-searchAscii']
			matches = [1 for (asciiWord, word) in wordList if asciiWord in asciiSongTitle or word in songTitle]
			if len(matches) == len(wordList):
				matchedSongs.append(songID)
		
		Debug.out("  Found", len(matchedSongs), "songs in", round(time.time()-t1,6), "seconds")

		return matchedSongs

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def loadFromLog(self, logFile):
		
		Debug.out("Loading log " + logFile)
		
		if os.path.isfile(logFile):
			statinfo = os.stat(logFile)
			if not statinfo.st_size:
				raise LogError("Log has zero length")
		else:
			raise LogError("Log doesn't exist!")
		
		try:
			f = open(logFile, 'r')
		except IOError as err:
			raise LogError("Parsing log failed on IOError: " + str(errstr))
				
		t1 = time.time()
		
		p = xml.parsers.expat.ParserCreate()
		p.StartElementHandler = self.start_element
		p.EndElementHandler = self.end_element
		p.CharacterDataHandler = self.char_data
		p.buffer_text = True
			
		try:
			p.ParseFile(f)
			Debug.out("   Loaded", self.numLoaded, "rows in", round(time.time() - t1,5), "seconds")
		except IOError as err:
			raise LogError("Parsing log failed on IOError: " + str(IOError))
		except ExpatError as err:
			raise LogError("Parsing log failed on XML ExpatError: " + str(err))
		finally:
			f.close()

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def searchBy_Genre(self, searchStr):
		"""	Search the library by Genre Name where searchStr matches the genre name.
			NB: If searchStr consists of multiple words then ALL words must be found within the genre name to make a
				match.
			
			arguments:
				searchStr	as  string	"word1 word2..."
			returns:
				list	[songID1, songID2, ...] of songIDs that match the search criteria
		"""
		
		Debug.out("Searching", len(self.byGenre), "genres")
		t1 = time.time()
		
		wordList = MakeWordlist(searchStr)

		matchedSongs = []
		for genre in self.byGenre:
			asciiGenre = NiceAscii(genre)
			matches = [1 for (asciiWord, word) in wordList if asciiWord in asciiGenre or word in genre]
			if len(matches) == len(wordList):
				matchedSongs.extend(self.byGenre[genre])
		
		Debug.out("  Found", len(matchedSongs), "songs in", round(time.time()-t1,6), "seconds")

		return matchedSongs

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def sort_Songs(self, songlist, sortby):
		"""	Sort a list of songID's by the specified sortby paramaters
			arguments:
				songlist	as  list[songID, ... ] of valid songID's in the library
				sortby		as  list[ (field, direction), ... ] 
									where field in (title,artist,album,genre) and direction in (asc, desc)
			returns:
				list		as [songID, ... ] sorted by the sortby criteria
		"""
		t1 = time.time()
		
		listToSort = [self.makeSortingTuple(songID, sortby) for songID in songlist]
		listToSort.sort()
		listSorted = [sortTuple[-1] for sortTuple in listToSort]
		
		Debug.out("  Sorted", len(listSorted),"songs in", round(time.time()-t1,6), "seconds")
		
		return listSorted

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def searchBy_Letter(self, theLetter):
		"""	Search the library by a single letter. This returns all "(Artist -) Title" where the first letter begins
			with the specified letter.
			
			arguments:
				theLetter	as  string of length 1, where (theLetter == '0' OR theLetter in string.ascii_lowercase)
			returns:
				None	On error only
				list	[songID1, songID2, ...]
		"""
		
		# sanitize data:
		theLetter = theLetter[0].lower()
		
		if (theLetter in string.ascii_lowercase or theLetter == '0') and theLetter in self.byLetter:
			Debug.out("Searching letter", theLetter)
			
			songList = self.byLetter[theLetter]
			return songList
		else:
			return None

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def load(self, libraryPath):
		
		Debug.out("   Parsing iTunes XML...")
		
		if os.path.isfile(libraryPath):
			statinfo = os.stat(libraryPath)
			if not statinfo.st_size:
				raise LibraryError("iTunes Library zero length")
		else:
			raise LibraryError("iTunes Library doesn't exist!")
		
		try:
			f = open(libraryPath, 'r')
		except IOError as err:
			raise LibraryError("Opening iTunes Library failed on IOError: " + str(errstr))
		
		t1 = time.time()
		self.parser = ParserData()

		p = xml.parsers.expat.ParserCreate()
		p.StartElementHandler = self.start_element
		p.EndElementHandler = self.end_element
		p.CharacterDataHandler = self.char_data
		
		# important! if you don't set buffer_text to true, the CharacterDataHandler does not always return the
		# full text inside of a <tag></tag> pair! this will cause some data to be loaded incompletely unless
		# the code implements its own buffering!
		p.buffer_text = True
		
		try:
			p.ParseFile(f)
			t2 = time.time()
		
			Debug.out("   Loaded", len(self.songs), "songs!")
			Debug.out("   Parsing took", round(t2 - t1,4), "seconds")
		except IOError as err:
			raise LibraryError("Parsing iTunes Library failed on IOError: " + str(IOError))
		except ExpatError as err:
			raise LibraryError("Parsing iTunes Library failed on XML ExpatError: " + str(err))
		finally:
			f.close()

# 需要导入模块: import Debug [as 别名]
# 或者: from Debug import out [as 别名]
	def searchBy_Any(self, searchStr):
		"""	Search the library where searchStr matches any of (title|artist|genre)
			NB:	If searchStr consists of multiple words then ALL words must be found within at least ONE of the
				fields (title|artist|album|genre) to make a match.
			
			arguments:
				searchStr	as  string	"word1 word2..."
			returns:
				list	[songID1, songID2, ...] of songIDs that match the search criteria
		"""

		Debug.out("Searching", len(self.songs), "songs (artist, title, album, genre)")
		t1 = time.time()
		
		wordList = MakeWordlist(searchStr)
	
		matchedSongs = []
		for songID, songData in self.songs.iteritems():
			
			# search by artist first
			songArtist = songData['artist-search']
			asciiSongArtist = songData['artist-searchAscii']
			i = 0
			for (asciiWord, word) in wordList:
				if asciiWord in asciiSongArtist or word in songArtist:
					i += 1
			if i == len(wordList):
				matchedSongs.append(songID)
				continue

			# search by title
			songTitle = songData['title-search']
			asciiSongTitle = songData['title-searchAscii']
			i = 0
			for (asciiWord, word) in wordList:
				if asciiWord in asciiSongTitle or word in  songTitle:
					i += 1
			if i == len(wordList):
				matchedSongs.append(songID)
				continue
				
			# search by album
			songAlbum = songData['album-search']
			asciiSongAlbum = songData['album-searchAscii']
			i = 0
			for (asciiWord, word) in wordList:
				if asciiWord in asciiSongAlbum or word in  songAlbum:
					i += 1
			if i == len(wordList):
				matchedSongs.append(songID)
				continue
				
			# search by genre
			songGenre = songData['genre-search']
			songGenreAscii = songData['genre-searchAscii']
			i = 0
			for (asciiWord, word) in wordList:
				if asciiWord in songGenreAscii or word in  songGenre:
					i += 1
			if i == len(wordList):
				matchedSongs.append(songID)
				continue
		#endfor

		Debug.out("  Found", len(matchedSongs), "songs in", round(time.time()-t1,6), "seconds")

		return matchedSongs