Python File.readlines方法代码示例

# 需要导入模块: from zim.fs import File [as 别名]
# 或者: from zim.fs.File import readlines [as 别名]
def get_template(format, template):
	'''Returns a Template object for a template name, file path, or File object'''
	# NOTE: here the "category" needs to be a format at the same time !
	if isinstance(template, File):
		file = template
	else:
		if not is_path_re.match(template):
			file = None
			path = list(data_dirs(('templates', format)))
			path.reverse()
			for dir in path:
				for basename in dir.list():
					name = basename.rsplit('.')[0] # robust if no '.' in basename
					if name == template:
						file = dir.file(basename)
						if file.exists(): # is a file
							break

			if not file:
				file = File(template)
		else:
			file = File(template)

	logger.info('Loading template from: %s', file)
	if not file.exists():
		raise AssertionError, 'No such file: %s' % file

	basename, ext = file.basename.rsplit('.', 1)
	resources = file.dir.subdir(basename)

	return Template(file.readlines(), format, name=file.path, resources_dir=resources)

# 需要导入模块: from zim.fs import File [as 别名]
# 或者: from zim.fs.File import readlines [as 别名]
def get_template(format, name):
	'''Returns a Template object for a tempalte name or a file path'''
	if is_path_re.match(name):
		file = File(name)
	else:
		templates = list_templates(format)
		#~ if not name in templates: FIXME exception type
			#~ raise
		file = File(templates[name])
	logger.info('Loading template from: %s', file)
	return Template(file.readlines(), format, name=file)

# 需要导入模块: from zim.fs import File [as 别名]
# 或者: from zim.fs.File import readlines [as 别名]
class ConfigFile(object):
	'''Container object for a config file

	Maps to a "base" file in the home folder, used to write new values,
	and one or more default files, e.g. in C{/usr/share/zim}, which
	are the fallback to get default values

	@ivar file: the underlying file object for the base config file
	in the home folder

	@note: this class implement similar API to the L{File} class but
	is explicitly not a sub-class of L{File} because config files should
	typically not be moved, renamed, etc. It just implements the reading
	and writing methods.
	'''

	def __init__(self, path, file=None):
		'''Constructor
		@param path: either basename as string or tuple with relative path,
		is resolved relative to the default config dir for zim.
		@param file: optional argument for some special case to
		override the base file in the home folder.
		'''
		if isinstance(path, basestring):
			path = (path,)
		self._path = tuple(path)
		if file:
			self.file = file
		else:
			self.file = File((XDG_CONFIG_HOME, 'zim') + self._path)

	def __repr__(self):
		return '<%s: %s>' % (self.__class__.__name__, self.file.path)

	def __eq__(self, other):
		return isinstance(other, ConfigFile) \
		and other._path == self._path \
		and other.file == self.file

	@property
	def basename(self):
		return self.file.basename

	def default_files(self):
		'''Generator that yields default config files (read-only) to
		use instead of the standard file when it is still empty.
		Typically only the first one is used.
		'''
		for dir in config_dirs():
			default = dir.file(self._path)
			if default.exists():
				yield default

	def touch(self):
		'''Ensure the custom file in the home folder exists. Either by
		copying a default config file, or touching an empty file.
		Intended to be called before trying to edit the file with an
		external editor.
		'''
		if not self.file.exists():
			for file in self.default_files():
				file.copyto(self.file)
				break
			else:
				self.file.touch() # create empty file

	def read(self, fail=False):
		'''Read the base file or first default file
		@param fail: if C{True} a L{FileNotFoundError} error is raised
		when neither the base file or a default file are found. If
		C{False} it will return C{''} for a non-existing file.
		@returns: file content as a string
		'''
		try:
			return self.file.read()
		except FileNotFoundError:
			for file in self.default_files():
				return file.read()
			else:
				if fail:
					raise
				else:
					return ''

	def readlines(self, fail=False):
		'''Read the base file or first default file
		@param fail: if C{True} a L{FileNotFoundError} error is raised
		when neither the base file or a default file are found. If
		C{False} it will return C{[]} for a non-existing file.
		@returns: file content as a list of lines
		'''
		try:
			return self.file.readlines()
		except FileNotFoundError:
			for file in self.default_files():
				return file.readlines()
			else:
				if fail:
					raise
				else:
#.........这里部分代码省略.........