本文整理汇总了Python中grammar.Grammar.translate方法的典型用法代码示例。如果您正苦于以下问题：Python Grammar.translate方法的具体用法？Python Grammar.translate怎么用？Python Grammar.translate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类grammar.Grammar的用法示例。
在下文中一共展示了Grammar.translate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: ScriptFile
# 需要导入模块: from grammar import Grammar [as 别名]
# 或者: from grammar.Grammar import translate [as 别名]
class ScriptFile(object):
"""
Encapsulates a script file. The migration
process can be run by calling migrate
"""
_filename = None
dobackup = True
backup_ext = '.mantidbackup'
backup_filename = None
grammar = None
def getfilename(self):
return self._filename
def setfilename(self, filename):
"""Set the filename along with the backup filename
@param filename The full filename of the input
"""
if os.path.exists(filename):
self._filename = filename
self.backup_filename = filename + self.backup_ext
else:
raise ValueError("Invalid path '%s' passed to ScriptFile" % (filename))
filename = property(getfilename, setfilename)
def __init__(self, filename, backup = True):
self.setfilename(filename)
self.dobackup = backup
self.grammar = Grammar()
def migrate(self):
"""
Migrate the script to the new API
"""
self.backup()
input_file = open(self.filename, 'r')
input_as_str = input_file.read()
input_file.close()
converted_str, errors = self.grammar.translate(input_as_str)
filename = self.filename
if len(errors) > 0:
filename = self.filename + ".partial"
errors.append("Partial translation stored in '%s'" % filename)
output_file = open(filename, 'w')
output_file.write(converted_str)
output_file.close()
if len(errors) > 0:
raise RuntimeError("\n".join(errors))
outcome = MigrationStatus(MigrationStatus.Migrated)
return Report(self.filename, outcome)
def backup(self):
"""
Backup the file by copying it to
a different filename with the
extension defined by self.backup_ext
"""
if self.dobackup and self.filename is not None:
messages.notify("Backing up %s to %s" % (self.filename, self.backup_filename))
shutil.copy(self.filename, self.backup_filename)
def restore_backup(self):
"""
Copies the file from the backup to the original
location
"""
if not self.dobackup:
messages.notify("Cannot restore from backup, no backup was requested")
if os.path.exists(self.backup_filename):
shutil.copy(self.backup_filename, self.filename)