

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: quopri.py</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'>#! /usr/bin/python2.7

&quot;&quot;&quot;Conversions to/from quoted-printable transport encoding as per RFC 1521.&quot;&quot;&quot;

# (Dec 1991 version).

__all__ = [&quot;encode&quot;, &quot;decode&quot;, &quot;encodestring&quot;, &quot;decodestring&quot;]

ESCAPE = &#039;=&#039;
MAXLINESIZE = 76
HEX = &#039;0123456789ABCDEF&#039;
EMPTYSTRING = &#039;&#039;

try:
    from binascii import a2b_qp, b2a_qp
except ImportError:
    a2b_qp = None
    b2a_qp = None


def needsquoting(c, quotetabs, header):
    &quot;&quot;&quot;Decide whether a particular character needs to be quoted.

    The &#039;quotetabs&#039; flag indicates whether embedded tabs and spaces should be
    quoted.  Note that line-ending tabs and spaces are always encoded, as per
    RFC 1521.
    &quot;&quot;&quot;
    if c in &#039; \t&#039;:
        return quotetabs
    # if header, we have to escape _ because _ is used to escape space
    if c == &#039;_&#039;:
        return header
    return c == ESCAPE or not (&#039; &#039; &lt;= c &lt;= &#039;~&#039;)

def quote(c):
    &quot;&quot;&quot;Quote a single character.&quot;&quot;&quot;
    i = ord(c)
    return ESCAPE + HEX[i//16] + HEX[i%16]


def encode(input, output, quotetabs, header = 0):
    &quot;&quot;&quot;Read &#039;input&#039;, apply quoted-printable encoding, and write to &#039;output&#039;.

    &#039;input&#039; and &#039;output&#039; are files with readline() and write() methods.
    The &#039;quotetabs&#039; flag indicates whether embedded tabs and spaces should be
    quoted.  Note that line-ending tabs and spaces are always encoded, as per
    RFC 1521.
    The &#039;header&#039; flag indicates whether we are encoding spaces as _ as per
    RFC 1522.
    &quot;&quot;&quot;

    if b2a_qp is not None:
        data = input.read()
        odata = b2a_qp(data, quotetabs = quotetabs, header = header)
        output.write(odata)
        return

    def write(s, output=output, lineEnd=&#039;\n&#039;):
        # RFC 1521 requires that the line ending in a space or tab must have
        # that trailing character encoded.
        if s and s[-1:] in &#039; \t&#039;:
            output.write(s[:-1] + quote(s[-1]) + lineEnd)
        elif s == &#039;.&#039;:
            output.write(quote(s) + lineEnd)
        else:
            output.write(s + lineEnd)

    prevline = None
    while 1:
        line = input.readline()
        if not line:
            break
        outline = []
        # Strip off any readline induced trailing newline
        stripped = &#039;&#039;
        if line[-1:] == &#039;\n&#039;:
            line = line[:-1]
            stripped = &#039;\n&#039;
        # Calculate the un-length-limited encoded line
        for c in line:
            if needsquoting(c, quotetabs, header):
                c = quote(c)
            if header and c == &#039; &#039;:
                outline.append(&#039;_&#039;)
            else:
                outline.append(c)
        # First, write out the previous line
        if prevline is not None:
            write(prevline)
        # Now see if we need any soft line breaks because of RFC-imposed
        # length limitations.  Then do the thisline-&gt;prevline dance.
        thisline = EMPTYSTRING.join(outline)
        while len(thisline) &gt; MAXLINESIZE:
            # Don&#039;t forget to include the soft line break `=&#039; sign in the
            # length calculation!
            write(thisline[:MAXLINESIZE-1], lineEnd=&#039;=\n&#039;)
            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)

def encodestring(s, quotetabs = 0, header = 0):
    if b2a_qp is not None:
        return b2a_qp(s, quotetabs = quotetabs, header = header)
    from cStringIO import StringIO
    infp = StringIO(s)
    outfp = StringIO()
    encode(infp, outfp, quotetabs, header)
    return outfp.getvalue()


def decode(input, output, header = 0):
    &quot;&quot;&quot;Read &#039;input&#039;, apply quoted-printable decoding, and write to &#039;output&#039;.
    &#039;input&#039; and &#039;output&#039; are files with readline() and write() methods.
    If &#039;header&#039; is true, decode underscore as space (per RFC 1522).&quot;&quot;&quot;

    if a2b_qp is not None:
        data = input.read()
        odata = a2b_qp(data, header = header)
        output.write(odata)
        return

    new = &#039;&#039;
    while 1:
        line = input.readline()
        if not line: break
        i, n = 0, len(line)
        if n &gt; 0 and line[n-1] == &#039;\n&#039;:
            partial = 0; n = n-1
            # Strip trailing whitespace
            while n &gt; 0 and line[n-1] in &quot; \t\r&quot;:
                n = n-1
        else:
            partial = 1
        while i &lt; n:
            c = line[i]
            if c == &#039;_&#039; and header:
                new = new + &#039; &#039;; i = i+1
            elif c != ESCAPE:
                new = new + c; i = i+1
            elif i+1 == n and not partial:
                partial = 1; break
            elif i+1 &lt; n and line[i+1] == ESCAPE:
                new = new + ESCAPE; i = i+2
            elif i+2 &lt; n and ishex(line[i+1]) and ishex(line[i+2]):
                new = new + chr(unhex(line[i+1:i+3])); i = i+3
            else: # Bad escape sequence -- leave it in
                new = new + c; i = i+1
        if not partial:
            output.write(new + &#039;\n&#039;)
            new = &#039;&#039;
    if new:
        output.write(new)

def decodestring(s, header = 0):
    if a2b_qp is not None:
        return a2b_qp(s, header = header)
    from cStringIO import StringIO
    infp = StringIO(s)
    outfp = StringIO()
    decode(infp, outfp, header = header)
    return outfp.getvalue()


# Other helper functions
def ishex(c):
    &quot;&quot;&quot;Return true if the character &#039;c&#039; is a hexadecimal digit.&quot;&quot;&quot;
    return &#039;0&#039; &lt;= c &lt;= &#039;9&#039; or &#039;a&#039; &lt;= c &lt;= &#039;f&#039; or &#039;A&#039; &lt;= c &lt;= &#039;F&#039;

def unhex(s):
    &quot;&quot;&quot;Get the integer value of a hexadecimal number.&quot;&quot;&quot;
    bits = 0
    for c in s:
        if &#039;0&#039; &lt;= c &lt;= &#039;9&#039;:
            i = ord(&#039;0&#039;)
        elif &#039;a&#039; &lt;= c &lt;= &#039;f&#039;:
            i = ord(&#039;a&#039;)-10
        elif &#039;A&#039; &lt;= c &lt;= &#039;F&#039;:
            i = ord(&#039;A&#039;)-10
        else:
            break
        bits = bits*16 + (ord(c) - i)
    return bits


def main():
    import sys
    import getopt
    try:
        opts, args = getopt.getopt(sys.argv[1:], &#039;td&#039;)
    except getopt.error, msg:
        sys.stdout = sys.stderr
        print msg
        print &quot;usage: quopri [-t | -d] [file] ...&quot;
        print &quot;-t: quote tabs&quot;
        print &quot;-d: decode; default encode&quot;
        sys.exit(2)
    deco = 0
    tabs = 0
    for o, a in opts:
        if o == &#039;-t&#039;: tabs = 1
        if o == &#039;-d&#039;: deco = 1
    if tabs and deco:
        sys.stdout = sys.stderr
        print &quot;-t and -d are mutually exclusive&quot;
        sys.exit(2)
    if not args: args = [&#039;-&#039;]
    sts = 0
    for file in args:
        if file == &#039;-&#039;:
            fp = sys.stdin
        else:
            try:
                fp = open(file)
            except IOError, msg:
                sys.stderr.write(&quot;%s: can&#039;t open (%s)\n&quot; % (file, msg))
                sts = 1
                continue
        if deco:
            decode(fp, sys.stdout)
        else:
            encode(fp, sys.stdout, tabs)
        if fp is not sys.stdin:
            fp.close()
    if sts:
        sys.exit(sts)


if __name__ == &#039;__main__&#039;:
    main()
</textarea><br><br><input type='hidden' name='archivo_editar' value='/usr/lib64/python2.7/quopri.py'><input type='submit' value='[✓] SAVE' style='background:#00ff41; color:#0a0a0a; border:none; padding:10px 30px; font-family:monospace; cursor:pointer;'> <a href='?path=%2Fusr%2Flib64%2Fpython2.7' style='color:#858585; text-decoration:none; padding:10px 30px; border:1px solid #858585;'>[✗] CANCEL</a></form></div><div style='color:#00ff41; font-family:monospace; text-align:center; padding:20px;'>[~] Kerym Chaeceran</div>