Added babel stuff, Cleaning and moved requirements into setup.py

babel.cfg

@@ -0,0 +1,6 @@
+[python: */**.py]
+[jinja2: */**.jinja2]
+extensions=jinja2.ext.autoescape, jinja2.ext.with_
+
+[javascript: */**.js]
+extract_messages = gettext, ngettext

setup.py

@@ -1,5 +1,6 @@
 # coding=utf-8
-import setuptools
+from setuptools import setup, Command
+import os
 
 ########################################################################################################################
 
@@ -40,6 +41,28 @@ plugin_additional_data = []
 
 ########################################################################################################################
 
+# I18N setup
+I18N_MAPPING_FILE = "babel.cfg"
+I18N_DOMAIN = "messages"
+I18N_INPUT_DIRS = "."
+I18N_OUTPUT_DIR_PY = os.path.join(plugin_package, "translations")
+I18N_OUTPUT_DIR_JS = os.path.join(plugin_package, "static", "js", "i18n")
+I18N_POT_FILE = os.path.join(I18N_OUTPUT_DIR_PY, "messages.pot")
+
+# Requirements for out application
+INSTALL_REQUIRES = [
+	"OctoPrint"
+]
+
+# Requirements for developing etc
+EXTRA_REQUIRES = dict(
+	develop=[
+		# Translation dependencies
+		"babel",
+		"po2json"
+	]
+)
+
 def package_data_dirs(source, sub_folders):
 	import os
 	dirs = []
@@ -56,9 +79,208 @@ def package_data_dirs(source, sub_folders):
 
 	return dirs
 
+def _recursively_handle_files(directory, file_matcher, folder_handler=None, file_handler=None):
+	applied_handler = False
 
-def requirements(filename):
-	return filter(lambda line: line and not line.startswith("#"), map(lambda line: line.strip(), open(filename).read().split("\n")))
+	for filename in os.listdir(directory):
+		path = os.path.join(directory, filename)
+
+		if file_handler is not None and file_matcher(filename):
+			file_handler(path)
+			applied_handler = True
+
+		elif os.path.isdir(path):
+			sub_applied_handler = _recursively_handle_files(path, file_matcher, folder_handler=folder_handler, file_handler=file_handler)
+			if sub_applied_handler:
+				applied_handler = True
+
+			if folder_handler is not None:
+				folder_handler(path, sub_applied_handler)
+
+	return applied_handler
+
+class CleanCommand(Command):
+	description = "clean build artifacts"
+	user_options = []
+	boolean_options = []
+
+	def initialize_options(self):
+		pass
+
+	def finalize_options(self):
+		pass
+
+	def run(self):
+		import shutil
+		import glob
+		
+		# build folder
+		if os.path.exists('build'):
+			print "Deleting build directory"
+			shutil.rmtree('build')
+
+		# eggs
+		eggs = glob.glob("*.egg-info")
+		for egg in eggs:
+			print "Deleting %s directory" % egg
+			shutil.rmtree(egg)
+
+		# pyc files
+		def delete_folder_if_empty(path, applied_handler):
+			if not applied_handler:
+				return
+			if len(os.listdir(path)) == 0:
+				shutil.rmtree(path)
+				print "Deleted %s since it was empty" % path
+
+		def delete_file(path):
+			os.remove(path)
+			print "Deleted %s" % path
+
+		import fnmatch
+		_recursively_handle_files(
+			os.path.abspath(plugin_package),
+			lambda name: fnmatch.fnmatch(name.lower(), "*.pyc"),
+			folder_handler=delete_folder_if_empty,
+			file_handler=delete_file
+		)
+
+		# pyc files
+		def delete_folder_if_empty(path, applied_handler):
+			if not applied_handler:
+				return
+			if len(os.listdir(path)) == 0:
+				shutil.rmtree(path)
+				print "Deleted %s since it was empty" % path
+
+		def delete_file(path):
+			os.remove(path)
+			print "Deleted %s" % path
+
+		import fnmatch
+		_recursively_handle_files(
+			os.path.abspath(plugin_package),
+			lambda name: fnmatch.fnmatch(name.lower(), "*.pyc"),
+			folder_handler=delete_folder_if_empty,
+			file_handler=delete_file
+		)
+	
+class NewTranslation(Command):
+	description = "create a new translation"
+	user_options = [
+		('locale=', 'l', 'locale for the new translation'),
+	]
+	boolean_options = []
+
+	def __init__(self, dist, **kw):
+		from babel.messages import frontend as babel
+		self.babel_init_messages = babel.init_catalog(dist)
+		Command.__init__(self, dist, **kw)
+
+	def initialize_options(self):
+		self.locale = None
+		self.babel_init_messages.initialize_options()
+
+	def finalize_options(self):
+		self.babel_init_messages.locale = self.locale
+		self.babel_init_messages.input_file = I18N_POT_FILE
+		self.babel_init_messages.output_dir = I18N_OUTPUT_DIR_PY
+		self.babel_init_messages.finalize_options()
+
+	def run(self):
+		self.babel_init_messages.run()
+
+class ExtractTranslation(Command):
+	description = "extract translations"
+	user_options = []
+	boolean_options = []
+
+	def __init__(self, dist, **kw):
+		from babel.messages import frontend as babel
+		self.babel_extract_messages = babel.extract_messages(dist)
+		Command.__init__(self, dist, **kw)
+
+	def initialize_options(self):
+		self.babel_extract_messages.initialize_options()
+
+	def finalize_options(self):
+		self.babel_extract_messages.mapping_file = I18N_MAPPING_FILE
+		self.babel_extract_messages.output_file = I18N_POT_FILE
+		self.babel_extract_messages.input_dirs = I18N_INPUT_DIRS
+		self.babel_extract_messages.msgid_bugs_address = plugin_author_email
+		self.babel_extract_messages.copyright_holder = plugin_author
+		self.babel_extract_messages.finalize_options()
+
+	def run(self):
+		self.babel_extract_messages.run()
+
+class RefreshTranslation(Command):
+	description = "refresh translations"
+	user_options = [
+		('locale=', 'l', 'locale for the translation to refresh'),
+		]
+	boolean_options = []
+
+	def __init__(self, dist, **kw):
+		from babel.messages import frontend as babel
+		self.babel_extract_messages = babel.extract_messages(dist)
+		self.babel_update_messages = babel.update_catalog(dist)
+		Command.__init__(self, dist, **kw)
+
+	def initialize_options(self):
+		self.locale = None
+		self.babel_extract_messages.initialize_options()
+		self.babel_update_messages.initialize_options()
+
+	def finalize_options(self):
+		self.babel_extract_messages.mapping_file = I18N_MAPPING_FILE
+		self.babel_extract_messages.output_file = I18N_POT_FILE
+		self.babel_extract_messages.input_dirs = I18N_INPUT_DIRS
+		self.babel_extract_messages.msgid_bugs_address = plugin_author_email
+		self.babel_extract_messages.copyright_holder = plugin_author
+		self.babel_extract_messages.finalize_options()
+
+		self.babel_update_messages.input_file = I18N_POT_FILE
+		self.babel_update_messages.output_dir = I18N_OUTPUT_DIR_PY
+		self.babel_update_messages.locale = self.locale
+
+	def run(self):
+		self.babel_extract_messages.run()
+		self.babel_update_messages.run()
+
+class CompileTranslation(Command):
+	description = "compile translations"
+	user_options = []
+	boolean_options = []
+
+	def __init__(self, dist, **kw):
+		from babel.messages import frontend as babel
+		self.babel_compile_messages = babel.compile_catalog(dist)
+		Command.__init__(self, dist, **kw)
+
+	def initialize_options(self):
+		self.babel_compile_messages.initialize_options()
+
+	def finalize_options(self):
+		self.babel_compile_messages.directory = I18N_OUTPUT_DIR_PY
+
+	def run(self):
+		self.babel_compile_messages.run()
+
+		import po2json
+
+		for lang_code in os.listdir(I18N_OUTPUT_DIR_PY):
+			full_path = os.path.join(I18N_OUTPUT_DIR_PY, lang_code)
+
+			if os.path.isdir(full_path):
+				client_po_dir = os.path.join(full_path, "LC_MESSAGES")
+
+				po2json.update_js_file(
+					"%s/%s.po" % (client_po_dir, I18N_DOMAIN),
+					lang_code,
+					I18N_OUTPUT_DIR_JS,
+					I18N_DOMAIN
+				)
 
 
 def params():
@@ -71,6 +293,15 @@ def params():
 	url = plugin_url
 	license = plugin_license
 
+	# adding the new commands
+	cmdclass = {
+		'clean': CleanCommand,
+		'babel_new': NewTranslation,
+		'babel_extract': ExtractTranslation,
+		'babel_refresh': RefreshTranslation,
+		'babel_compile': CompileTranslation
+	};
+	
 	# we only have our plugin package to install
 	packages = [plugin_package]
 
@@ -82,8 +313,14 @@ def params():
 	# this plugin is not zip_safe.
 	zip_safe = False
 
-	# Read the requirements from our requirements.txt file
-	install_requires = requirements("requirements.txt")
+	install_requires = INSTALL_REQUIRES
+	extras_require = EXTRA_REQUIRES
+	
+	if os.environ.get('READTHEDOCS', None) == 'True':
+		# we can't tell read the docs to please perform a pip install -e .[develop], so we help
+		# it a bit here by explicitly adding the development dependencies, which include our
+		# documentation dependencies
+		install_requires = install_requires + extras_require['develop']
 
 	# Hook the plugin into the "octoprint.plugin" entry point, mapping the plugin_identifier to the plugin_package.
 	# That way OctoPrint will be able to find the plugin and load it.
@@ -93,4 +330,4 @@ def params():
 
 	return locals()
 
-setuptools.setup(**params())
+setup(**params())