mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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00da5a994e
The web UI application for ACRN VM configuration tool based on Flask web framework: 1. import board info xml which is generated by acrn-config/target on target boards; or select one board from the imported list of UI. 2. load scenario settings or import scenario settings from local. 3. edit scenario settings from web UI. 4. export and save the edited scenario setting, the application will prompt error messages from UI if there are illegal configured items. 5. generate board source code, generate scenario source code. 6. load launch settings or import launch settings from local. 7. edit launch settings from web UI. 8. export and save the edited launch setting; the application will prompt error messages from UI if there are illegal configurable items 9. generate launch scripts based on current launch setting. Tracked-On: #3602 Signed-off-by: Shuang Zheng <shuang.zheng@intel.com> Reviewed-by: Victor Sun <victor.sun@intel.com> Acked-by: Terry Zou <terry.zou@intel.com>
289 lines
9.8 KiB
Python
289 lines
9.8 KiB
Python
# Copyright (C) 2019 Intel Corporation.
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# SPDX-License-Identifier: BSD-3-Clause
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"""Controller for config app.
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"""
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import os
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import xml.etree.ElementTree as ElementTree
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class XmlConfig:
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"""The core class to analyze and modify acrn config xml files"""
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def __init__(self, path=None, default=True):
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self._xml_path = path
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self._default = default
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self._curr_xml = None
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self._curr_xml_tree = None
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@staticmethod
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def _get_xml_type(xml_file):
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"""
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get the config type by file.
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:param xml_file: the file path of xml file.
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:return: the xml type.
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:raises: ValueError, OSError, SyntaxError.
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"""
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xml_type = ''
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if os.path.splitext(xml_file)[1] != '.xml':
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return xml_type
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try:
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tree = ElementTree.parse(xml_file)
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root = tree.getroot()
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if 'uos_launcher' in root.attrib:
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xml_type = 'uos_launcher'
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elif 'scenario' in root.attrib:
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xml_type = 'scenario'
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elif 'board' in root.attrib:
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xml_type = 'board'
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elif 'board_setting' in root.attrib:
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xml_type = 'board_setting'
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except ValueError:
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print('xml parse error: {}'.format(xml_file))
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xml_type = ''
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except OSError:
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print('xml open error: {}'.format(xml_file))
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xml_type = ''
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except SyntaxError:
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print('xml syntax error: {}'.format(xml_file))
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xml_type = ''
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return xml_type
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def list_all(self, xml_type=None):
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"""
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list all xml config files by type.
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:param xml_type: the xml type.
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:return: he list of xml config files.
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"""
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xmls = []
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user_xmls = []
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if self._xml_path is None or not os.path.exists(self._xml_path):
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return xmls, user_xmls
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for test_file in os.listdir(self._xml_path):
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test_file_path = os.path.join(self._xml_path, test_file)
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if os.path.isfile(test_file_path):
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if XmlConfig._get_xml_type(test_file_path) == xml_type:
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xmls.append(os.path.splitext(test_file)[0])
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user_path = os.path.join(self._xml_path, 'user_defined')
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if os.path.isdir(user_path):
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for test_file in os.listdir(user_path):
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test_file_path = os.path.join(user_path, test_file)
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if os.path.isfile(test_file_path):
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if XmlConfig._get_xml_type(test_file_path) == xml_type:
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user_xmls.append(os.path.splitext(test_file)[0])
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return xmls, user_xmls
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def set_curr(self, xml):
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"""
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set current xml file to analyze.
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:param xml: the xml file.
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:return: None.
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:raises: ValueError, OSError, SyntaxError.
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"""
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if self._xml_path is None:
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return
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try:
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self._curr_xml = xml
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xml_path = os.path.join(self._xml_path, self._curr_xml + '.xml') \
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if self._default \
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else os.path.join(self._xml_path, 'user_defined', self._curr_xml + '.xml')
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tree = ElementTree.parse(xml_path)
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self._curr_xml_tree = tree
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except ValueError:
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print('xml parse error: {}'.format(xml))
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self._curr_xml = None
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self._curr_xml_tree = None
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except OSError:
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print('xml open error: {}'.format(xml))
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self._curr_xml = None
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self._curr_xml_tree = None
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except SyntaxError:
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print('xml syntax error: {}'.format(xml))
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self._curr_xml = None
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self._curr_xml_tree = None
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def get_curr(self):
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"""
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get current xml config file.
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:return: current xml config file name.
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"""
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return self._curr_xml
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def get_curr_root(self):
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"""
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get the xml root of current xml config file.
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:return: the xml root of current xml config file.
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"""
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if self._curr_xml_tree is None:
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return None
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return self._curr_xml_tree.getroot()
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def get_curr_value(self, *args):
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"""
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get the value of the element by its path.
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:param args: the path of the element.
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:return: the value of the element.
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"""
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if self._curr_xml_tree is None:
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return None
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dest_node = self._get_dest_node(*args)
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if dest_node is None:
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return None
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if dest_node.text is None or dest_node.text.strip() == '':
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return ''
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return dest_node.text
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def set_curr_value(self, value, *args):
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"""
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set the value of the element by its path.
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:param value: the value of the element.
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:param args: the path of the element.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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dest_node = self._get_dest_node(*args)
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dest_node.text = value
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def set_curr_list(self, values, *args):
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"""
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set a list of sub element for the element by its path.
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:param values: the list of values of the element.
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:param args: the path of the element.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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tag = args[-1]
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args = args[:-1]
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dest_node = self._get_dest_node(*args)
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for node in dest_node.getchildren():
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dest_node.remove(node)
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for value in values:
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new_node = ElementTree.SubElement(dest_node, tag)
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new_node.text = value
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def set_curr_attr(self, attr_name, attr_value, *args):
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"""
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set the attribute of the element by its path.
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:param attr_name: the attribute name of the element.
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:param attr_value: the attribute value of the element.
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:param args: the path of the element.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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dest_node = self._get_dest_node(*args)
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dest_node.attrib[attr_name] = attr_value
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def add_curr_value(self, key, desc, value, *args):
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"""
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add a sub element for the element by its path.
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:param key: the tag of the sub element.
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:param desc: the attribute desc of the sub element.
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:param value: the value of the sub element.
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:param args: the path of the element.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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dest_node = self._get_dest_node(*args)
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if key in ['vm']:
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ElementTree.SubElement(dest_node, key, attrib={'id': value, 'desc': desc})
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else:
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new_node = ElementTree.SubElement(dest_node, key, attrib={'desc': desc})
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new_node.text = value
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def delete_curr_key(self, *args):
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"""
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delete the element by its path.
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:param args: the path of the element.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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dest_node = self._get_dest_node(*args)
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self._curr_xml_tree.getroot().remove(dest_node)
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def _get_dest_node(self, *args):
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"""
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get the destination element by its path.
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:param args: the path of the element.
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:return: the destination element.
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"""
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if self._curr_xml_tree is None:
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return None
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dest_node = self._curr_xml_tree.getroot()
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path = '.'
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for arg in args:
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# tag:attr=xxx
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# tag:attr
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# tag
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tag = None
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attr_name = None
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attr_value = None
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if ':' not in arg:
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tag = arg
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elif '=' not in arg:
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# tag = arg.split(':')[0]
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# attr_name = arg.split(':')[1]
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raise Exception('unsupported xml path: tag:attr')
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else:
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tag = arg.split(':')[0]
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attr = arg.split(':')[1]
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attr_name = attr.split('=')[0]
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attr_value = attr.split('=')[1]
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if attr_value is None:
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path += ("/" + tag)
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else:
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path += ("/" + tag + "[@" + attr_name + "='" + attr_value + "']")
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dest_node = dest_node.findall(path)
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if dest_node is not None and dest_node != []:
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return dest_node[0]
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raise Exception('can not find node by {} from xml'.format(args))
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def save(self, xml=None):
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"""
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save current xml to file.
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:param xml: the file name to save; if not specified, save current xml to default names.
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:return: None.
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"""
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if self._curr_xml_tree is None:
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return
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if xml is None:
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xml = self._curr_xml
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xml_path = os.path.join(self._xml_path, 'user_defined')
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if not os.path.isdir(xml_path):
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os.makedirs(xml_path)
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self._format_xml(self._curr_xml_tree.getroot())
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self._curr_xml_tree.write(os.path.join(xml_path, xml+'.xml'), encoding='utf-8',
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xml_declaration=True, method='xml')
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def _format_xml(self, element, depth=0):
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i = "\n" + depth * " "
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if element:
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if not element.text or not element.text.strip():
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element.text = i + " "
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if not element.tail or not element.tail.strip():
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element.tail = i
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for element in element:
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self._format_xml(element, depth + 1)
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if not element.tail or not element.tail.strip():
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element.tail = i
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else:
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if depth and (not element.tail or not element.tail.strip()):
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element.tail = i
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