129 lines
7.0 KiB
Python
129 lines
7.0 KiB
Python
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import xml.etree.ElementTree as ET
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import os
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class XmlParser:
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def parse_file(self, file_path):
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if not os.path.exists(file_path):
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return None, f"文件未找到: {file_path}"
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try:
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tree = ET.parse(file_path)
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root = tree.getroot()
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# Metadata from root
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xml_version = root.get('XMLVersion')
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xml_creation_datetime = root.get('XMLCreationDateTime')
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data_source = os.path.basename(file_path)
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# SampleResult (assuming single SampleResult for now based on snippet)
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sample_result = root.find('SampleResult')
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if sample_result is None:
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return None, "没有找到 SampleResult 标签"
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# Common Sample Info
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sample_info = {
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"sample_name": sample_result.get('Name'),
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"operator_name": sample_result.get('OperatorName'),
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"instrument": sample_result.get('Instrument'),
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"method_name": sample_result.get('MethodName'),
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"sample_type": sample_result.get('Type'),
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"xml_version": xml_version,
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"xml_creation_datetime": xml_creation_datetime,
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"data_source": data_source
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}
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# SampleIDs
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sample_ids_node = sample_result.find('SampleIDs')
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if sample_ids_node:
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for sid in sample_ids_node.findall('SampleID'):
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id_name = sid.find('IDName').text
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id_value = sid.find('IDValue').text
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if id_name == 'Grade ID':
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sample_info['sample_grade_id'] = id_value
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elif id_name == 'Grade Alias':
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sample_info['sample_grade_alias'] = id_value
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extracted_data = []
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# MeasurementReplicates
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replicates_node = sample_result.find('MeasurementReplicates')
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if replicates_node:
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for rep in replicates_node.findall('MeasurementReplicate'):
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rep_info = sample_info.copy()
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rep_info['replicate_no'] = rep.get('No')
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rep_info['measure_datetime'] = rep.get('MeasureDateTime')
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rep_info['is_deleted'] = rep.get('IsDeleted')
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measurement = rep.find('Measurement')
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if measurement:
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rep_info['check_type'] = measurement.get('CheckType')
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rep_info['check_status'] = measurement.get('CheckStatus')
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rep_info['grade_name'] = measurement.get('GradeName')
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rep_info['rsd_check'] = measurement.get('RsdCheck')
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ext_data_meas = measurement.find('ExtData')
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if ext_data_meas:
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base_el = ext_data_meas.find('Base')
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if base_el is not None:
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rep_info['base_element'] = base_el.text
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duration_el = ext_data_meas.find('MeasDuration')
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if duration_el is not None:
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rep_info['measure_duration'] = duration_el.text
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# Elements
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elements_node = measurement.find('Elements')
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if elements_node:
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for el in elements_node.findall('Element'):
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el_data = rep_info.copy()
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el_data['element_name'] = el.get('ElementName')
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el_data['element_type'] = el.get('Type')
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el_data['concentration_unit'] = el.get('DefaultConcentrationUnit')
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# Concentration Result
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conc_res = el.find("./ElementResult[@Kind='Concentration'][@StatType='None']")
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if conc_res:
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el_data['concentration_value'] = conc_res.find('ResultValue').text
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el_data['result_status'] = conc_res.get('Status')
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el_data['calibration_status'] = conc_res.get('CalibrationStatus')
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el_data['acceptance_status'] = conc_res.get('AcceptanceStatus')
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# Limits
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limits = conc_res.find('ResultValueLimits')
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if limits:
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lower = limits.find("./ResultValueLimit[@Type='LowerAcceptanceLimit']")
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upper = limits.find("./ResultValueLimit[@Type='UpperAcceptanceLimit']")
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el_data['lower_acceptance_limit'] = lower.text if lower is not None else None
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el_data['upper_acceptance_limit'] = upper.text if upper is not None else None
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# Uncertainty
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ext_res = conc_res.find('ExtData')
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if ext_res:
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unc_abs = ext_res.find("./ResultValue[@SubType='UncertaintyAbs']")
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unc_rel = ext_res.find("./ResultValue[@SubType='UncertaintyRel']")
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el_data['uncertainty_abs'] = unc_abs.text if unc_abs is not None else None
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el_data['uncertainty_rel'] = unc_rel.text if unc_rel is not None else None
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std_res = el.find("./ElementResult[@StatType='StdDev']")
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if std_res:
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el_data['std_dev_value'] = std_res.find('ResultValue').text
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# 如果为空，就用None填充
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required_keys = [
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'sample_grade_id', 'sample_grade_alias', 'base_element',
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'measure_duration', 'check_type', 'check_status', 'grade_name', 'rsd_check',
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'concentration_value', 'std_dev_value', 'uncertainty_abs',
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'uncertainty_rel', 'lower_acceptance_limit', 'upper_acceptance_limit',
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'result_status', 'calibration_status', 'acceptance_status'
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]
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for key in required_keys:
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if key not in el_data:
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el_data[key] = None
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extracted_data.append(el_data)
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return extracted_data, "Success"
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except Exception as e:
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import traceback
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traceback.print_exc()
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return None, f"Parse error: {str(e)}"
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