[Tutor] File renaming using os.rename problem

[spir]

Roy Hinkelman <royhink at gmail.com> dixit:

> I can't find anything on this error I am getting when renaming some files.
> I'm pulling info from a csv file and parsing it to build new file names.
> 
> Any pointers appreciated
> 
> Roy
> 
> My code:
> # RENAME FILES using META file - new name = [place]_[state]_[sku].tif
> 
> import re, os, csv
> 
> # DEFINE
> _meta_file = "C:\\Documents and Settings\\rhinkelman\\My Documents\\My
> Dropbox\\Public\\Python code examples\\topo_meta_TEST.csv"
> _files_to_mod = "\\\\Dc2\\inetpub2\\Image Production\\missing_topo\\topo
> sz3\\test"
> _del_space = re.compile( ' ' )
> 
> #OPEN file containing TOPO meta, DEFINE OLD AND NEW NAMES
> _meta = csv.reader(open(_meta_file, "r"))
> for _row in _meta:
>     if _row[0] == "NAME":
>         continue
>     print '|'.join(_row) # test
>     old_name = _row[4].lstrip('o') + ".pdf"
>     new_name = _row[0] + "_" + _row[1] + "_" + _row[4] + ".pdf"
>     new_name = _del_space.sub( '_', new_name )
>     print old_name + " - " + new_name # test
> 
> # OPEN DIR OF FILES TO BE RENAMED AND LOOK FOR NAME, RENAME AND CONTINUE
>     for fname in os.listdir(_files_to_mod):
>         if fname == old_name:
>             print fname # test
>             os.rename(fname, new_name)
>             break
>         else:
>             continue
> 
> 
> AND the error
> >>>
> Aberdeen|CA|36.875|-118.250|o36118h3
> 36118h3.pdf - Aberdeen_CA_o36118h3.pdf
> 36118h3.pdf
> Traceback (most recent call last):
>   File "C:\Documents and Settings\rhinkelman\My Documents\My
> Dropbox\Public\Python code examples\Rename_topo_files.py", line 25, in
> <module>
>     os.rename(fname, new_name)
> WindowsError: [Error 2] The system cannot find the file specified

Why don't you simply print out fname? This should point you to the error.

Denis
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