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Provide default for blocksize on retrbinary (Skip Montanaro).

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This commit is contained in:
Guido van Rossum 1997-12-03 19:34:14 +00:00
parent 98ee50b5a4
commit ab76af3d65
3 changed files with 11 additions and 9 deletions
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9
Doc/lib/libftplib.tex
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@ -125,14 +125,15 @@ Return nothing if a response code in the range 200--299 is received.
Raise an exception otherwise.
\end{funcdesc}
\begin{funcdesc}{retrbinary}{command\, callback\, maxblocksize}
\begin{funcdesc}{retrbinary}{command\, callback\optional{\, maxblocksize}}
Retrieve a file in binary transfer mode. \var{command} should be an
appropriate \samp{RETR} command, i.e.\ \code{"RETR \var{filename}"}.
The \var{callback} function is called for each block of data received,
with a single string argument giving the data block.
The \var{maxblocksize} argument specifies the maximum block size
(which may not be the actual size of the data blocks passed to
\var{callback}).
The optional \var{maxblocksize} argument specifies the maximum chunk size to
read on the low-level socket object created to do the actual transfer
(which will also be the largest size of the data blocks passed to
\var{callback}). A reasonable default is chosen.
\end{funcdesc}
\begin{funcdesc}{retrlines}{command\optional{\, callback}}

9
Doc/libftplib.tex
View file

@ -125,14 +125,15 @@ Return nothing if a response code in the range 200--299 is received.
Raise an exception otherwise.
\end{funcdesc}
\begin{funcdesc}{retrbinary}{command\, callback\, maxblocksize}
\begin{funcdesc}{retrbinary}{command\, callback\optional{\, maxblocksize}}
Retrieve a file in binary transfer mode. \var{command} should be an
appropriate \samp{RETR} command, i.e.\ \code{"RETR \var{filename}"}.
The \var{callback} function is called for each block of data received,
with a single string argument giving the data block.
The \var{maxblocksize} argument specifies the maximum block size
(which may not be the actual size of the data blocks passed to
\var{callback}).
The optional \var{maxblocksize} argument specifies the maximum chunk size to
read on the low-level socket object created to do the actual transfer
(which will also be the largest size of the data blocks passed to
\var{callback}). A reasonable default is chosen.
\end{funcdesc}
\begin{funcdesc}{retrlines}{command\optional{\, callback}}

2
Lib/ftplib.py
View file

@ -317,7 +317,7 @@ def login(self, user = '', passwd = '', acct = ''):
raise error_reply, resp
return resp
def retrbinary(self, cmd, callback, blocksize):
def retrbinary(self, cmd, callback, blocksize=8192):
'''Retrieve data in binary mode.
The argument is a RETR command.
The callback function is called for each block.