def get_files(path=getcwd()):
	"""path=getcwd() ---> generateur(path) ---> files in path"""
	if path == "" : path = getcwd()
	path = decode(path).replace("\\","/")
	if path[-1] != "/" : path += "/"
	files = listdir(path)
	for i in files:
		i = decode(i)
		if is_file(path + i): yield i

def get_dirs(path=getcwd()):
	"""path=getcwd() ---> generateur(dirs)"""
	if path == "" : path = getcwd()
	path = decode(path).replace("\\","/")
	if path[-1] != "/" : path += "/"
	dirs = listdir(path)
	path_start = getcwd()
	for i in dirs:
		i = decode(i)
		if is_dir(path + i): yield i + "/"

def get_paths2(path=getcwd()):
	"""generateur renvoyant toutes les urls filles du dossier parent"""
	if path == "" : path = getcwd()
	path = decode(path).replace("\\","/")
	if path[-1] != "/" : path += "/"
	yield path
	for i in get_dirs(path):
		try :
			i = decode(i)
			for p in get_paths2(path+i) : yield p
		except :
			yield "erreur"

def get_allpaths(path=getcwd()):
	"""retourne toutes les urls du dossier parent (les urls peuvent etre en plusieurs exemplaires)"""
	if path == "" : path = getcwd()
	path = decode(path).replace("\\","/")
	if path[-1] != "/" : path += "/"
	list_path = []
	list_dossiers = [path]
	for i in get_dirs(path):
		i = path + decode(i)
		list_dossiers.append(i)
		recup=get_allpaths(i)
		if recup != []:
			for x in recup: list_dossiers.append(decode(x))

	return list_dossiers

def get_paths(path=getcwd()):
	"""version ameliore de "get_allpaths(), les urls ne sont qu'en un seul exemplaire"""
	if path == "" : path = getcwd()
	path = decode(path)
	p = get_allpaths(path)
	paths = []
	for i in p :
		if i not in paths : paths.append(i)
	return paths

def get_name(name, with_ext=True):
	name = decode(name).replace("\\","/")
	if name:
		if name[-1] == "/": name = name[ : -1]
	name = name.split("/")[-1]
	if with_ext: return name
	else:
		name = name.split('.')
		if not name[0]: return '.'.join(name)
		else: return name[0]

def get_path(name):
	if name:
		if name != "/":
			name = decode(name)
			name = name.replace("\\","/")
			if name[-1] == "/": name = name[:-1]
			path = "/".join(name.split("/")[:-1])
			if name[0] == "/" and not path: return "/"
			return path+"/"*bool(path)
		else:	return "/"
	else: return ""

def supprdir(dossier):
	"""supprime un dossier, tous ses sous-dossiers et tous les fichiers contenus"""
	dossier = decode(dossier)
	if dossier[-1] != "/" : dossier += "/"
	try:
		dirfile = get_dirfile(dossier)
		for f in dirfile[1]: remove(dossier+f)
		for d in dirfile[0]: supprdir(dossier+d)
		rmdir(dossier)
		return ""
	except Exception, err: return err[-1]

def copydir(dossier_original,dossier_copy):
	"""copie un dossier, tous ses sous-dossiers et tous les fichiers contenus"""
	dossier_original = decode(dossier_original)
	dossier_copy = decode(dossier_copy)
	if dossier_original[-1] != "/": dossier_original += "/"
	if dossier_copy[-1] != "/": dossier_copy += "/"
	try:
		dossier_copy = name_exists(dossier_copy+get_name(dossier_original[:-1]))
		try: mkdir(dossier_copy)
		except Exception, err: print err

		dirfile = get_dirfile(dossier_original)
		for d in dirfile[0]:
			copydir(dossier_original+d,dossier_copy)

		for f in dirfile[1]:
			file(dossier_original+f).copy(dossier_copy+f, true)

		return ""
	except Exception, err: return err[-1]

def get_allfiles2(path=getcwd()):
	"""generateur renvoyant toutes les paths filles du dossier parent"""
	if path == "" : path = getcwd()
	path = decode(path).replace("\\","/")
	if path[-1] != "/" : path += "/"
	dirfile = get_dirfile(path)
	yield (path,dirfile[1])
	for i in dirfile[0]:
		try:
			for d,f in get_allfiles2(path+i):yield (d,f)
		except:
			yield ("erreur",[])

def get_dirfile(path=getcwd()):
	"""path=getcwd() ---> tuple(dirs,files)"""
	if path == "" : path = getcwd()
	path = decode(path)
	if path[-1] != "/" : path += "/"
	dos = listdir(path)
	fichier = []
	dossier = []
	for i in dos :
		if is_file(path + i): fichier.append(i)
		elif is_dir(path + i): dossier.append(i)
	return [dossier,fichier]

def try_name(name):
	name = decode(name)
	path = get_path(name)
	ext = "."+get_ext(name)
	if ext == ".": ext = ""
	name = get_name(name)
	if ext: name = name[:-len(ext)]
	if path: liste = listdir(path)
	else: liste = listdir(getcwd())
	erreur = 0
	temp = name[:]+ext
	while temp in liste:
		erreur += 1
		temp = name + " ("+str(erreur)+")"+ext
	return path+temp

def try_file(name):
	name = decode(name)
	path = get_path(name)
	name = get_name(name)
	ext = "." + get_ext(name)
	if ext != ".": name = name[:-len(ext)]
	else: ext = ""

	erreur = 0
	temp_name = name + ext
	while file_exists(path + temp_name):
		erreur += 1
		temp_name = name+(" ("+str(erreur)+")")+ext

	return path+temp_name

def get_ext(name):
	name = get_name(decode(name))
	temp = name.split(".")[-1]
	if temp != name: return temp
	else: return ""

def get_name(name):
	name = decode(name).replace("\\","/")
	if name:
		if name[-1] == "/": name = name[ : -1]
	return name.split("/")[-1]

def name_exists(name):
	name = decode(name)
	path = get_path(name)
	if not path: path = getcwd()
	if get_name(name) in listdir(path): return True
	else: return False

def get_allfiles(path=getcwd()):
	if path == "" : path = getcwd()
	path = decode(path)
	for p in get_paths2(path):
		for f in get_files(p) : yield p+f