[英]Resize Excel file sheet columns using Python in Azure
使用 Azure 中的 Blob 存儲時,我無法調整 Python 的 excel 表中的列大小。 讓我知道我做錯了什么。 以下是相關的代碼片段 -
def resize_columns(df, data_val, sheet_name):
wb = openpyxl.load_workbook(data_val)
worksheet = wb[sheet_name]
cols = list(df.columns)
count = 0
for column in worksheet.columns:
length = max(df[cols[count]].astype(str).str.len().max(), len(cols[count]))*1.25
length = length if length <= 16 else 16
worksheet.column_dimensions[column[0].column_letter].width = length
count += 1
return data_val
connect_str = "..."
blob_client = blob_service_client.get_blob_client(container=new_container_name, blob=file_name)
data_val = io.BytesIO()
writer = pd.ExcelWriter(data_val, engine="openpyxl")
mpm_summary = pd.DataFrame({"one_val": [1, 2]})
mpm_summary.to_excel(writer, sheet_name="A", index=False)
mpm_summary = pd.DataFrame({"two_val00000000000000000000000000000000000000": [3, 4], "three_val": [5,6]})
mpm_summary.to_excel(writer, sheet_name="B", index=False)
writer.save()
data_val = resize_columns(mpm_summary, data_val, "B")
blob_client.upload_blob(data_val.getvalue(), overwrite=True)
非常感謝您的幫助。 謝謝
而不是再次加載工作簿
wb = openpyxl.load_workbook(data_val)
您可以只使用編寫器指針本身來訪問工作表,執行更改並在上傳 blob 之前保存它。
def resize_columns(writer,df, data_val, sheet_name):
#wb = openpyxl.load_workbook(data_val)
worksheet = writer.book[sheet_name] #wb[sheet_name]
cols = list(df.columns)
count = 0
for column in worksheet.columns:
length = max(df[cols[count]].astype(str).str.len().max(), len(cols[count]))*1.25
length = length if length <= 16 else 16
worksheet.column_dimensions[column[0].column_letter].width = length+0.78
count += 1
return data_val
blob_client = blob_service_client.get_blob_client(container=container_name, blob=file_name)
data_val = io.BytesIO()
writer = pd.ExcelWriter(data_val, engine="openpyxl")
mpm_summary = pd.DataFrame({"one_val": [1, 2]})
mpm_summary.to_excel(writer, sheet_name="A", index=False)
mpm_summary = pd.DataFrame({"two_val00000000000000000000000000000000000000": [3, 4], "three_val": [5,6]})
mpm_summary.to_excel(writer, sheet_name="B", index=False)
data_val = resize_columns(writer,mpm_summary, data_val, "B")
writer.save()
blob_client.upload_blob(data_val.getvalue(), overwrite=True)
請注意 openpyxl 寬度與之間所需的細微差異/校正因子。 excel 列寬。 因此,您的乘法因子或偏移量可能需要微調。 https://foss.heptapod.net/openpyxl/openpyxl/-/issues/293
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