feat: remove fileClass parameter, always use xls/xlsx/csv

This commit is contained in:
newbieQQ 2026-03-29 13:34:45 +08:00
parent 53d86b56ad
commit ecf6242fe7
3 changed files with 61 additions and 36 deletions

View File

@ -3,11 +3,12 @@ import unicodedata
import pandas as pd
STATIC_PATH = './Static'
DEFAULT_FILE_CLASSES = ('xlsx', 'xls', 'csv')
# 从文件夹中读取所有xlsx文件每个文件对应一个label
# 从文件夹中读取所有数据文件,支持 xls/xlsx/csv
# labelNames为label的名字如果不提供则默认为文件名
def load_data(folder, labelNames, fileClass='xlsx'):
def load_data(folder, labelNames):
# 检查folder参数
if folder is None:
raise ValueError("The 'folder' parameter is required.")
@ -22,27 +23,28 @@ def load_data(folder, labelNames, fileClass='xlsx'):
if not os.path.isdir(folder):
raise ValueError(f"The folder '{folder}' does not exist.")
file_classes = DEFAULT_FILE_CLASSES
# 自动检测数据组织方式
is_dir_mode = _detect_data_mode(folder=folder, labelNames=labelNames, fileClass=fileClass)
is_dir_mode = _detect_data_mode(folder=folder, labelNames=labelNames, fileClasses=file_classes)
mode_name = 'multi-folder mode' if is_dir_mode else 'single-file mode'
print(f"Auto detected data mode: {mode_name}")
if not is_dir_mode:
data = load_from_file(folder=folder, labelNames=labelNames, fileClass=fileClass)
data = load_from_file(folder=folder, labelNames=labelNames, fileClasses=file_classes)
else:
data = load_from_folder(folder=folder, labelNames=labelNames, fileClass=fileClass)
data = load_from_folder(folder=folder, labelNames=labelNames, fileClasses=file_classes)
print(data)
return data
def load_from_folder(folder, labelNames, fileClass):
def load_from_folder(folder, labelNames, fileClasses):
all_features = []
fileClass = '.' + fileClass
for labelName in labelNames:
subfolder = os.path.join(folder, labelName)
subfolder = os.path.join(folder, str(labelName))
if os.path.exists(subfolder) and os.path.isdir(subfolder):
fileNames = [f for f in os.listdir(subfolder) if f.endswith(fileClass)]
fileNames = [f for f in os.listdir(subfolder) if _has_supported_extension(f, fileClasses)]
max_row_length = get_max_row_len(subfolder, fileNames)
features = []
for fileName in fileNames:
@ -55,17 +57,15 @@ def load_from_folder(folder, labelNames, fileClass):
return pd.concat(all_features, ignore_index=True)
def load_from_file(folder, labelNames, fileClass):
def load_from_file(folder, labelNames, fileClasses):
# 构建期望的文件名label + .扩展名),并在目录中进行健壮匹配
# 去除零宽字符、Unicode 规范化、大小写不敏感)
expected_names = [f"{labelName}.{fileClass}" for labelName in labelNames]
actual_file_names = []
missing = []
for expected in expected_names:
match = _find_matching_file(folder, expected)
for labelName in labelNames:
match = _find_matching_file_by_label(folder, labelName, fileClasses)
if match is None:
missing.append(expected)
missing.append(f"{labelName}.<{'/'.join(fileClasses)}>")
else:
actual_file_names.append(match)
@ -89,7 +89,7 @@ def load_from_file(folder, labelNames, fileClass):
def load_xlsx(fileName, labelName, max_row_length=1000, fill_rule=None):
df = pd.read_excel(fileName)
df = _read_data_file(fileName)
# 提取偶数列
features = df.iloc[0:, 1::2]
@ -128,11 +128,31 @@ def fill_to_len(row, length=1000, rule=None):
def get_max_row_len(folder, filenames):
max_len = 0
for filename in filenames:
df = pd.read_excel(os.path.join(folder, filename))
df = _read_data_file(os.path.join(folder, filename))
max_len = max(max_len, df.shape[0])
return max_len
def _read_data_file(file_path: str):
ext = os.path.splitext(file_path)[1].lower()
if ext == '.csv':
return pd.read_csv(file_path)
if ext in ('.xls', '.xlsx'):
return pd.read_excel(file_path)
raise ValueError(
f"Unsupported file format: {ext}. Only .xls, .xlsx, and .csv are supported. "
f"File: {file_path}"
)
def _has_supported_extension(filename: str, fileClasses) -> bool:
ext = os.path.splitext(filename)[1].lower().lstrip('.')
return ext in fileClasses
# ---------- 内部工具函数:处理包含零宽字符或不同 Unicode 形式的文件名匹配 ----------
def _strip_zero_width(s: str) -> str:
@ -189,28 +209,34 @@ def _find_matching_file(folder: str, expected_name: str):
return None
def _detect_data_mode(folder: str, labelNames, fileClass: str) -> bool:
def _find_matching_file_by_label(folder: str, label_name, fileClasses):
for ext in fileClasses:
expected_name = f"{label_name}.{ext}"
match = _find_matching_file(folder, expected_name)
if match is not None:
return match
return None
def _detect_data_mode(folder: str, labelNames, fileClasses) -> bool:
"""Auto detect data organization mode.
Returns:
True: multi-folder mode (folder/label/*.ext)
False: single-file mode (folder/label.ext)
"""
ext = f'.{fileClass}'
# 判断是否满足多文件夹模式:每个 label 对应一个子目录,且至少有一个目标后缀文件
has_all_label_subfolders = True
for label in labelNames:
subfolder = os.path.join(folder, str(label))
if not (os.path.isdir(subfolder) and any(f.endswith(ext) for f in os.listdir(subfolder))):
if not (os.path.isdir(subfolder) and any(_has_supported_extension(f, fileClasses) for f in os.listdir(subfolder))):
has_all_label_subfolders = False
break
# 判断是否满足单文件模式:每个 label 能匹配到对应文件
has_all_label_files = True
for label in labelNames:
expected_name = f"{label}.{fileClass}"
if _find_matching_file(folder, expected_name) is None:
if _find_matching_file_by_label(folder, label, fileClasses) is None:
has_all_label_files = False
break

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@ -3,7 +3,7 @@
## 1. 项目约定
### 1.1 输入数据格式
每一类数据建议保存为 `xlsx/xls`。读取时默认取偶数列(索引 1,3,5...)作为特征,奇数列内容可忽略。
每一类数据支持 `xls/xlsx/csv`。读取时默认取偶数列(索引 1,3,5...)作为特征,奇数列内容可忽略。
示意:
@ -148,10 +148,11 @@ from Qfunctions.saveToXlsx import save_to_xlsx
projet_name = '20241009MaterialDiv'
label_names = ['Acrlic', 'Ecoflex', 'PDMS', 'PLA', 'Wood']
# 自动识别数据模式
# - folder/label.xlsx => 单文件模式
# - folder/label/*.xlsx => 多子特征模式
data = load_data(projet_name, label_names, fileClass='xlsx')
# 自动识別数据模式
# 支持 .xls 、.xlsx 、.csv 三种格式(可混合使用)
# - folder/label.xlsx 或 folder/label.xls 或 folder/label.csv => 单文件模式
# - folder/label/*.(xlsx|xls|csv) => 多子特征模式
data = load_data(projet_name, label_names)
# 划分训练/测试集
X_train, X_test, y_train, y_test, encoder = divSet(
@ -191,19 +192,17 @@ save_to_xlsx(project_name=projet_name, file_name='acc_and_loss', data=epoch_data
|---|---|---|---|
| folder | str | 必填 | `Static/` 下的数据目录名 |
| labelNames | list | 必填 | 类别名称列表,用于读取和排序标签 |
| fileClass | str | xlsx | 数据文件后缀 |
自动识别规则:
- 若每个 `label` 都对应 `folder/label/*.xlsx`,识别为多子特征模式。
- 若每个 `label` 都对应 `folder/label.xlsx`,识别为单文件模式。
- 若两种都成立(同名文件和同名子目录同时存在),会报错并提示只保留一种目录结构。
- 若每个 `label` 都对应 `folder/label/*.(xlsx|xls|csv)`,识别为多子特征模式。
- 若每个 `label` 都对应 `folder/label.(xlsx|xls|csv)`,识别为单文件模式。- 超出需法的文件格式(只许 xls/xlsx/csv汽转时报错。- 若两种都成立(同名文件和同名子目录同时存在),会报错并提示只保留一种目录结构。
- 若两种都不成立,会报错并提示检查目录结构或 `label_names`
读取路径规则:
- 单文件模式:`./Static/folder/labelNames[i].xlsx`
- 多子特征模式:`./Static/folder/labelNames[i]/*.xlsx`
- 单文件模式:`./Static/folder/labelNames[i].(xlsx|xls|csv)`
- 多子特征模式:`./Static/folder/labelNames[i]/*.(xlsx|xls|csv)`
## 5. 常见问题
@ -211,4 +210,4 @@ save_to_xlsx(project_name=projet_name, file_name='acc_and_loss', data=epoch_data
优先检查:
- `label_names` 与文件/文件夹是否同名
- 文件后缀是否`fileClass` 一致
- 文件后缀是否`.xls`、`.xlsx` 或 `.csv`(其他格式将报错)

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@ -9,7 +9,7 @@ def main():
# label_names 是一个列表里面按顺序包含了小写的a'到z
label_names = list(range(10))
print(label_names)
data = load_data(projet_name, label_names, fileClass='xlsx')
data = load_data(projet_name, label_names)
model = Qmlp(
data=data,