diff options
| -rw-r--r-- | Doc/lib/liburllib.tex | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex index c411cc8..b25c7a4 100644 --- a/Doc/lib/liburllib.tex +++ b/Doc/lib/liburllib.tex @@ -329,21 +329,21 @@ returned data is HTML, you can use the module \refmodule{htmllib}\refstmodindex{htmllib} to parse it. \item -The code handling the FTP\index{FTP} protocol cannot differentiate between a -file and a directory and can lead to unexpected behavior when attempting to -read a URL that points to a file that is not accessible. -If the URL ends in a \code{/} then it is assumed to be a -directory and will be handled as such only. But if an attempt to read a file -leads to a 550 error (signaling the URL cannot be found or is not accessible, -often for permission reasons), then the path is treated as a directory in order -to handle the case of when a directory is specified by a URL but a trailing -\code{/} is left off. -This can lead to the apparent successful fetching of a file whose read -permissions you do not have by still succeeding by returning the directory -listing for the file from treating it as a directory. -If more fine-grained control is needed, consider using the \module{ftplib} -module, subclassing \class{FancyURLOpener}, or changing \var{_urlopener} to -meet your needs. +The code handling the FTP\index{FTP} protocol cannot differentiate +between a file and a directory. This can lead to unexpected behavior +when attempting to read a URL that points to a file that is not +accessible. If the URL ends in a \code{/}, it is assumed to refer to +a directory and will be handled accordingly. But if an attempt to +read a file leads to a 550 error (meaning the URL cannot be found or +is not accessible, often for permission reasons), then the path is +treated as a directory in order to handle the case when a directory is +specified by a URL but the trailing \code{/} has been left off. This can +cause misleading results when you try to fetch a file whose read +permissions make it inaccessible; the FTP code will try to read it, +fail with a 550 error, and then perform a directory listing for the +unreadable file. If fine-grained control is needed, consider using the +\module{ftplib} module, subclassing \class{FancyURLOpener}, or changing +\var{_urlopener} to meet your needs. \item This module does not support the use of proxies which require |