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author | Barry Warsaw <barry@python.org> | 2001-06-19 22:48:10 (GMT) |
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committer | Barry Warsaw <barry@python.org> | 2001-06-19 22:48:10 (GMT) |
commit | dac67ac8bf994b336748283fa25602639c6a9bf4 (patch) | |
tree | 177f7d830239f33906d7f9a83429072937c2bdab /Lib | |
parent | fb3e54fd992e6b37bf64fe1569bce5f956ef2756 (diff) | |
download | cpython-dac67ac8bf994b336748283fa25602639c6a9bf4.zip cpython-dac67ac8bf994b336748283fa25602639c6a9bf4.tar.gz cpython-dac67ac8bf994b336748283fa25602639c6a9bf4.tar.bz2 |
encode(): Fixed the handling of soft line breaks for lines over 76
characters in length. Remember that when calculating the soft breaks,
the trailing `=' sign counts against the max length!
Diffstat (limited to 'Lib')
-rwxr-xr-x | Lib/quopri.py | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/Lib/quopri.py b/Lib/quopri.py index beb54cb..7b448bb 100755 --- a/Lib/quopri.py +++ b/Lib/quopri.py @@ -48,7 +48,6 @@ def encode(input, output, quotetabs): output.write(s + lineEnd) prevline = None - linelen = 0 while 1: line = input.readline() if not line: @@ -59,25 +58,24 @@ def encode(input, output, quotetabs): if line[-1:] == '\n': line = line[:-1] stripped = '\n' + # Calculate the un-length-limited encoded line for c in line: if needsquoting(c, quotetabs): c = quote(c) - # Have we hit the RFC 1521 encoded line maximum? - if linelen + len(c) >= MAXLINESIZE: - # Write out the previous line - if prevline is not None: - write(prevline) - prevline = EMPTYSTRING.join(outline) - linelen = 0 - outline = [] outline.append(c) - linelen += len(c) - # Write out the current line + # First, write out the previous line if prevline is not None: write(prevline) - prevline = EMPTYSTRING.join(outline) - linelen = 0 - outline = [] + # Now see if we need any soft line breaks because of RFC-imposed + # length limitations. Then do the thisline->prevline dance. + thisline = EMPTYSTRING.join(outline) + while len(thisline) > MAXLINESIZE: + # Don't forget to include the soft line break `=' sign in the + # length calculation! + write(thisline[:MAXLINESIZE-1], lineEnd='=\n') + thisline = thisline[MAXLINESIZE-1:] + # Write out the current line + prevline = thisline # Write out the last line, without a trailing newline if prevline is not None: write(prevline, lineEnd=stripped) |