求助

一介书生423

import os
import glob
if os.name == 'nt':
    # convention for storing / loading the DLL from
    # numpy/.libs/, if present
    try:
        from ctypes import WinDLL
        basedir = os.path.dirname(__file__)
    except:
        pass
    else:
        libs_dir = os.path.abspath(os.path.join(basedir, '.libs'))
        DLL_filenames = []
        if os.path.isdir(libs_dir):
            for filename in glob.glob(os.path.join(libs_dir,
                                                   '*openblas*dll')):
                # NOTE: would it change behavior to load ALL
                # DLLs at this path vs. the name restriction?
                WinDLL(os.path.abspath(filename))
                DLL_filenames.append(filename)
        if len(DLL_filenames) > 1:
            import warnings
            warnings.warn("loaded more than 1 DLL from .libs:"
                          "\n%s" % "\n".join(DLL_filenames),
                          stacklevel=1)









代码提示错误的原因是啥
D:\PythonProject\pythonProject\Scripts\python.exe E:\qycache\xuexi\pythonProject\爬虫学习\process.py
D:\PythonProject\pythonProject\lib\site-packages\numpy\_distributor_init.py:30: UserWarning: loaded more than 1 DLL from .libs:
D:\PythonProject\pythonProject\lib\site-packages\numpy\.libs\libopenblas.EL2C6PLE4ZYW3ECEVIV3OXXGRN2NRFM2.gfortran-win_amd64.dll
D:\PythonProject\pythonProject\lib\site-packages\numpy\.libs\libopenblas64__v0.3.21-gcc_10_3_0.dll
  warnings.warn("loaded more than 1 DLL from .libs:"
Traceback (most recent call last):
  File "E:\qycache\xuexi\pythonProject\爬虫学习\process.py", line 46, in <module>
    df1 = pd.read_csv('may.csv')
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 912, in read_csv
    return _read(filepath_or_buffer, kwds)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 577, in _read
    parser = TextFileReader(filepath_or_buffer, **kwds)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 1407, in __init__
    self._engine = self._make_engine(f, self.engine)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 1661, in _make_engine
    self.handles = get_handle(
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\common.py", line 859, in get_handle
    handle = open(
FileNotFoundError: [Errno 2] No such file or directory: 'may.csv'

Process finished with exit code 1

isdkz

代码提示错误的原因是找不到文件"may.csv"。根据报错信息，最后一行指示了错误的原因，即找不到指定的文件。请确保文件路径正确，并且文件存在于指定路径中。

Mike_python小

问题描述：

在运行Python脚本时，出现了以下错误提示：

[/code]
D:\PythonProject\pythonProject\lib\site-packages\numpy\_distributor_init.py:30: UserWarning: loaded more than 1 DLL from .libs:
D:\PythonProject\pythonProject\lib\site-packages\numpy\.libs\libopenblas.EL2C6PLE4ZYW3ECEVIV3OXXGRN2NRFM2.gfortran-win_amd64.dll
D:\PythonProject\pythonProject\lib\site-packages\numpy\.libs\libopenblas64__v0.3.21-gcc_10_3_0.dll
  warnings.warn("loaded more than 1 DLL from .libs:"
Traceback (most recent call last):
  File "E:\qycache\xuexi\pythonProject\爬虫学习\process.py", line 46, in <module>
    df1 = pd.read_csv('may.csv')
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 912, in read_csv
    return _read(filepath_or_buffer, kwds)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 577, in _read
    parser = TextFileReader(filepath_or_buffer, **kwds)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 1407, in __init__
    self._engine = self._make_engine(f, self.engine)
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\parsers\readers.py", line 1661, in _make_engine
    self.handles = get_handle(
  File "D:\PythonProject\pythonProject\lib\site-packages\pandas\io\common.py", line 859, in get_handle
    handle = open(
FileNotFoundError: [Errno 2] No such file or directory: 'may.csv'
[/code]

错误原因：

1. 在加载NumPy库时，出现了警告，提示从.libs目录下加载了多个DLL(动态链接库)文件。
2. 执行Python脚本时，尝试读取一个名为'may.csv'的文件，但该文件不存在。

解决方案：

1. 关于NumPy库的问题，可以忽略。这只是一个警告而已，不会影响Python脚本的执行。
2. 确保'may.csv'文件的路径和文件名都正确，并且该文件确实存在于对应的目录中。

修改代码：

2. import os
3. import glob
4. import pandas as pd
6. if os.name == 'nt':
7.     # convention for storing / loading the DLL from
8.     # numpy/.libs/, if present
9.     try:
10.         from ctypes import WinDLL
11.         basedir = os.path.dirname(__file__)
12.     except:
13.         pass
14.     else:
15.         libs_dir = os.path.abspath(os.path.join(basedir, '.libs'))
16.         DLL_filenames = []
17.         if os.path.isdir(libs_dir):
18.             for filename in glob.glob(os.path.join(libs_dir, '*openblas*dll')):
19.                 # NOTE: would it change behavior to load ALL
20.                 # DLLs at this path vs. the name restriction?
21.                 WinDLL(os.path.abspath(filename))
22.                 DLL_filenames.append(filename)
23.         if len(DLL_filenames) > 1:
24.             import warnings
25.             warnings.warn("loaded more than 1 DLL from .libs:"
26.                           "\n%s" % "\n".join(DLL_filenames),
27.                           stacklevel=1)
29. # 读取'may.csv'文件
30. df1 = pd.read_csv('may.csv')

复制代码

注意：以上代码仅是一个示例，实际使用时需要根据具体情况进行修改。

球一个最佳答案谢谢啦！这对我非常重要！

一介书生423

isdkz 发表于 2023-10-31 10:23
代码提示错误的原因是找不到文件"may.csv"。根据报错信息，最后一行指示了错误的原因，即找不到指定的文件 ...

都在桌面的同一个文件夹内

一介书生423

Mike_python小 发表于 2023-10-31 10:23
问题描述：

在运行Python脚本时，出现了以下错误提示：

可否留个邮箱 发数据和代码帮忙修正下呀 大神