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File Content: `string24.py`

"""A collection of string operations (most are no longer used).

Warning: most of the code you see here isn't normally used nowadays.
Beginning with Python 1.6, many of these functions are implemented as
methods on the standard string object. They used to be implemented by
a built-in module called strop, but strop is now obsolete itself.

Public module variables:

whitespace -- a string containing all characters considered whitespace
lowercase -- a string containing all characters considered lowercase letters
uppercase -- a string containing all characters considered uppercase letters
letters -- a string containing all characters considered letters
digits -- a string containing all characters considered decimal digits
hexdigits -- a string containing all characters considered hexadecimal digits
octdigits -- a string containing all characters considered octal digits
punctuation -- a string containing all characters considered punctuation
printable -- a string containing all characters considered printable

"""

# Some strings for ctype-style character classification
whitespace = ' \t\n\r\v\f'
lowercase = 'abcdefghijklmnopqrstuvwxyz'
uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
letters = lowercase + uppercase
ascii_lowercase = lowercase
ascii_uppercase = uppercase
ascii_letters = ascii_lowercase + ascii_uppercase
digits = '0123456789'
hexdigits = digits + 'abcdef' + 'ABCDEF'
octdigits = '01234567'
punctuation = """!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~"""
printable = digits + letters + punctuation + whitespace

# Case conversion helpers
# Use str to convert Unicode literal in case of -U
# Note that Cookie.py bogusly uses _idmap :(
l = map(chr, xrange(256))
_idmap = str('').join(l)
del l

# Functions which aren't available as string methods.

# Capitalize the words in a string, e.g. " aBc  dEf " -> "Abc Def".
# See also regsub.capwords().
def capwords(s, sep=None):
    """capwords(s, [sep]) -> string

    Split the argument into words using split, capitalize each
    word using capitalize, and join the capitalized words using
    join. Note that this replaces runs of whitespace characters by
    a single space.

    """
    return (sep or ' ').join([x.capitalize() for x in s.split(sep)])


# Construct a translation string
_idmapL = None
def maketrans(fromstr, tostr):
    """maketrans(frm, to) -> string

    Return a translation table (a string of 256 bytes long)
    suitable for use in string.translate.  The strings frm and to
    must be of the same length.

    """
    if len(fromstr) != len(tostr):
        raise ValueError, "maketrans arguments must have same length"
    global _idmapL
    if not _idmapL:
        _idmapL = map(None, _idmap)
    L = _idmapL[:]
    fromstr = map(ord, fromstr)
    for i in range(len(fromstr)):
        L[fromstr[i]] = tostr[i]
    return ''.join(L)



####################################################################
import re as _re

class _multimap:
    """Helper class for combining multiple mappings.

    Used by .{safe_,}substitute() to combine the mapping and keyword
    arguments.
    """
    def __init__(self, primary, secondary):
        self._primary = primary
        self._secondary = secondary

    def __getitem__(self, key):
        try:
            return self._primary[key]
        except KeyError:
            return self._secondary[key]


class _TemplateMetaclass(type):
    pattern = r"""
    %(delim)s(?:
      (?P<escaped>%(delim)s) |   # Escape sequence of two delimiters
      (?P<named>%(id)s)      |   # delimiter and a Python identifier
      {(?P<braced>%(id)s)}   |   # delimiter and a braced identifier
      (?P<invalid>)              # Other ill-formed delimiter exprs
    )
    """

    def __init__(cls, name, bases, dct):
        super(_TemplateMetaclass, cls).__init__(name, bases, dct)
        if 'pattern' in dct:
            pattern = cls.pattern
        else:
            pattern = _TemplateMetaclass.pattern % {
                'delim' : _re.escape(cls.delimiter),
                'id'    : cls.idpattern,
                }
        cls.pattern = _re.compile(pattern, _re.IGNORECASE | _re.VERBOSE)


class Template:
    """A string class for supporting $-substitutions."""
    __metaclass__ = _TemplateMetaclass

    delimiter = '$'
    idpattern = r'[_a-z][_a-z0-9]*'

    def __init__(self, template):
        self.template = template

    # Search for $$, $identifier, ${identifier}, and any bare $'s

    def _invalid(self, mo):
        i = mo.start('invalid')
        lines = self.template[:i].splitlines(True)
        if not lines:
            colno = 1
            lineno = 1
        else:
            colno = i - len(''.join(lines[:-1]))
            lineno = len(lines)
        raise ValueError('Invalid placeholder in string: line %d, col %d' %
                         (lineno, colno))

    def substitute(self, *args, **kws):
        if len(args) > 1:
            raise TypeError('Too many positional arguments')
        if not args:
            mapping = kws
        elif kws:
            mapping = _multimap(kws, args[0])
        else:
            mapping = args[0]
        # Helper function for .sub()
        def convert(mo):
            # Check the most common path first.
            named = mo.group('named') or mo.group('braced')
            if named is not None:
                val = mapping[named]
                # We use this idiom instead of str() because the latter will
                # fail if val is a Unicode containing non-ASCII characters.
                return '%s' % val
            if mo.group('escaped') is not None:
                return self.delimiter
            if mo.group('invalid') is not None:
                self._invalid(mo)
            raise ValueError('Unrecognized named group in pattern',
                             self.pattern)
        return self.pattern.sub(convert, self.template)

    def safe_substitute(self, *args, **kws):
        if len(args) > 1:
            raise TypeError('Too many positional arguments')
        if not args:
            mapping = kws
        elif kws:
            mapping = _multimap(kws, args[0])
        else:
            mapping = args[0]
        # Helper function for .sub()
        def convert(mo):
            named = mo.group('named')
            if named is not None:
                try:
                    # We use this idiom instead of str() because the latter
                    # will fail if val is a Unicode containing non-ASCII
                    return '%s' % mapping[named]
                except KeyError:
                    return self.delimiter + named
            braced = mo.group('braced')
            if braced is not None:
                try:
                    return '%s' % mapping[braced]
                except KeyError:
                    return self.delimiter + '{' + braced + '}'
            if mo.group('escaped') is not None:
                return self.delimiter
            if mo.group('invalid') is not None:
                return self.delimiter
            raise ValueError('Unrecognized named group in pattern',
                             self.pattern)
        return self.pattern.sub(convert, self.template)



####################################################################
# NOTE: Everything below here is deprecated.  Use string methods instead.
# This stuff will go away in Python 3.0.

# Backward compatible names for exceptions
index_error = ValueError
atoi_error = ValueError
atof_error = ValueError
atol_error = ValueError

# convert UPPER CASE letters to lower case
def lower(s):
    """lower(s) -> string

    Return a copy of the string s converted to lowercase.

    """
    return s.lower()

# Convert lower case letters to UPPER CASE
def upper(s):
    """upper(s) -> string

    Return a copy of the string s converted to uppercase.

    """
    return s.upper()

# Swap lower case letters and UPPER CASE
def swapcase(s):
    """swapcase(s) -> string

    Return a copy of the string s with upper case characters
    converted to lowercase and vice versa.

    """
    return s.swapcase()

# Strip leading and trailing tabs and spaces
def strip(s, chars=None):
    """strip(s [,chars]) -> string

    Return a copy of the string s with leading and trailing
    whitespace removed.
    If chars is given and not None, remove characters in chars instead.
    If chars is unicode, S will be converted to unicode before stripping.

    """
    return s.strip(chars)

# Strip leading tabs and spaces
def lstrip(s, chars=None):
    """lstrip(s [,chars]) -> string

    Return a copy of the string s with leading whitespace removed.
    If chars is given and not None, remove characters in chars instead.

    """
    return s.lstrip(chars)

# Strip trailing tabs and spaces
def rstrip(s, chars=None):
    """rstrip(s [,chars]) -> string

    Return a copy of the string s with trailing whitespace removed.
    If chars is given and not None, remove characters in chars instead.

    """
    return s.rstrip(chars)


# Split a string into a list of space/tab-separated words
def split(s, sep=None, maxsplit=-1):
    """split(s [,sep [,maxsplit]]) -> list of strings

    Return a list of the words in the string s, using sep as the
    delimiter string.  If maxsplit is given, splits at no more than
    maxsplit places (resulting in at most maxsplit+1 words).  If sep
    is not specified or is None, any whitespace string is a separator.

    (split and splitfields are synonymous)

    """
    return s.split(sep, maxsplit)
splitfields = split

# Split a string into a list of space/tab-separated words
def rsplit(s, sep=None, maxsplit=-1):
    """rsplit(s [,sep [,maxsplit]]) -> list of strings

    Return a list of the words in the string s, using sep as the
    delimiter string, starting at the end of the string and working
    to the front.  If maxsplit is given, at most maxsplit splits are
    done. If sep is not specified or is None, any whitespace string
    is a separator.
    """
    return s.rsplit(sep, maxsplit)

# Join fields with optional separator
def join(words, sep = ' '):
    """join(list [,sep]) -> string

    Return a string composed of the words in list, with
    intervening occurrences of sep.  The default separator is a
    single space.

    (joinfields and join are synonymous)

    """
    return sep.join(words)
joinfields = join

# Find substring, raise exception if not found
def index(s, *args):
    """index(s, sub [,start [,end]]) -> int

    Like find but raises ValueError when the substring is not found.

    """
    return s.index(*args)

# Find last substring, raise exception if not found
def rindex(s, *args):
    """rindex(s, sub [,start [,end]]) -> int

    Like rfind but raises ValueError when the substring is not found.

    """
    return s.rindex(*args)

# Count non-overlapping occurrences of substring
def count(s, *args):
    """count(s, sub[, start[,end]]) -> int

    Return the number of occurrences of substring sub in string
    s[start:end].  Optional arguments start and end are
    interpreted as in slice notation.

    """
    return s.count(*args)

# Find substring, return -1 if not found
def find(s, *args):
    """find(s, sub [,start [,end]]) -> in

    Return the lowest index in s where substring sub is found,
    such that sub is contained within s[start,end].  Optional
    arguments start and end are interpreted as in slice notation.

    Return -1 on failure.

    """
    return s.find(*args)

# Find last substring, return -1 if not found
def rfind(s, *args):
    """rfind(s, sub [,start [,end]]) -> int

    Return the highest index in s where substring sub is found,
    such that sub is contained within s[start,end].  Optional
    arguments start and end are interpreted as in slice notation.

    Return -1 on failure.

    """
    return s.rfind(*args)

# for a bit of speed
_float = float
_int = int
_long = long

# Convert string to float
def atof(s):
    """atof(s) -> float

    Return the floating point number represented by the string s.

    """
    return _float(s)


# Convert string to integer
def atoi(s , base=10):
    """atoi(s [,base]) -> int

    Return the integer represented by the string s in the given
    base, which defaults to 10.  The string s must consist of one
    or more digits, possibly preceded by a sign.  If base is 0, it
    is chosen from the leading characters of s, 0 for octal, 0x or
    0X for hexadecimal.  If base is 16, a preceding 0x or 0X is
    accepted.

    """
    return _int(s, base)


# Convert string to long integer
def atol(s, base=10):
    """atol(s [,base]) -> long

    Return the long integer represented by the string s in the
    given base, which defaults to 10.  The string s must consist
    of one or more digits, possibly preceded by a sign.  If base
    is 0, it is chosen from the leading characters of s, 0 for
    octal, 0x or 0X for hexadecimal.  If base is 16, a preceding
    0x or 0X is accepted.  A trailing L or l is not accepted,
    unless base is 0.

    """
    return _long(s, base)


# Left-justify a string
def ljust(s, width, *args):
    """ljust(s, width[, fillchar]) -> string

    Return a left-justified version of s, in a field of the
    specified width, padded with spaces as needed.  The string is
    never truncated.  If specified the fillchar is used instead of spaces.

    """
    return s.ljust(width, *args)

# Right-justify a string
def rjust(s, width, *args):
    """rjust(s, width[, fillchar]) -> string

    Return a right-justified version of s, in a field of the
    specified width, padded with spaces as needed.  The string is
    never truncated.  If specified the fillchar is used instead of spaces.

    """
    return s.rjust(width, *args)

# Center a string
def center(s, width, *args):
    """center(s, width[, fillchar]) -> string

    Return a center version of s, in a field of the specified
    width. padded with spaces as needed.  The string is never
    truncated.  If specified the fillchar is used instead of spaces.

    """
    return s.center(width, *args)

# Zero-fill a number, e.g., (12, 3) --> '012' and (-3, 3) --> '-03'
# Decadent feature: the argument may be a string or a number
# (Use of this is deprecated; it should be a string as with ljust c.s.)
def zfill(x, width):
    """zfill(x, width) -> string

    Pad a numeric string x with zeros on the left, to fill a field
    of the specified width.  The string x is never truncated.

    """
    if not isinstance(x, basestring):
        x = repr(x)
    return x.zfill(width)

# Expand tabs in a string.
# Doesn't take non-printing chars into account, but does understand \n.
def expandtabs(s, tabsize=8):
    """expandtabs(s [,tabsize]) -> string

    Return a copy of the string s with all tab characters replaced
    by the appropriate number of spaces, depending on the current
    column, and the tabsize (default 8).

    """
    return s.expandtabs(tabsize)

# Character translation through look-up table.
def translate(s, table, deletions=""):
    """translate(s,table [,deletions]) -> string

    Return a copy of the string s, where all characters occurring
    in the optional argument deletions are removed, and the
    remaining characters have been mapped through the given
    translation table, which must be a string of length 256.  The
    deletions argument is not allowed for Unicode strings.

    """
    if deletions:
        return s.translate(table, deletions)
    else:
        # Add s[:0] so that if s is Unicode and table is an 8-bit string,
        # table is converted to Unicode.  This means that table *cannot*
        # be a dictionary -- for that feature, use u.translate() directly.
        return s.translate(table + s[:0])

# Capitalize a string, e.g. "aBc  dEf" -> "Abc  def".
def capitalize(s):
    """capitalize(s) -> string

    Return a copy of the string s with only its first character
    capitalized.

    """
    return s.capitalize()

# Substring replacement (global)
def replace(s, old, new, maxsplit=-1):
    """replace (str, old, new[, maxsplit]) -> string

    Return a copy of string str with all occurrences of substring
    old replaced by new. If the optional argument maxsplit is
    given, only the first maxsplit occurrences are replaced.

    """
    return s.replace(old, new, maxsplit)


# Try importing optional built-in module "strop" -- if it exists,
# it redefines some string operations that are 100-1000 times faster.
# It also defines values for whitespace, lowercase and uppercase
# that match <ctype.h>'s definitions.

try:
    from strop import maketrans, lowercase, uppercase, whitespace
    letters = lowercase + uppercase
except ImportError:
    pass                                          # Use the original versions

Name	Size	Permission
looper	---	0755
template	---	0755
PySourceColor.py	85865 bytes	0644
PySourceColor.pyc	55156 bytes	0644
PySourceColor.pyo	55156 bytes	0644
UserDict24.py	5516 bytes	0644
UserDict24.pyc	10438 bytes	0644
UserDict24.pyo	10438 bytes	0644
__init__.py	86 bytes	0644
__init__.pyc	257 bytes	0644
__init__.pyo	257 bytes	0644
classinit.py	1849 bytes	0644
classinit.pyc	1913 bytes	0644
classinit.pyo	1913 bytes	0644
classinstance.py	1373 bytes	0644
classinstance.pyc	2321 bytes	0644
classinstance.pyo	2159 bytes	0644
converters.py	863 bytes	0644
converters.pyc	1146 bytes	0644
converters.pyo	1146 bytes	0644
dateinterval.py	2414 bytes	0644
dateinterval.pyc	3127 bytes	0644
dateinterval.pyo	3127 bytes	0644
datetimeutil.py	11170 bytes	0644
datetimeutil.pyc	10098 bytes	0644
datetimeutil.pyo	10098 bytes	0644
doctest24.py	99418 bytes	0644
doctest24.pyc	83797 bytes	0644
doctest24.pyo	83510 bytes	0644
filemixin.py	1431 bytes	0644
filemixin.pyc	2052 bytes	0644
filemixin.pyo	2052 bytes	0644
finddata.py	3841 bytes	0644
finddata.pyc	2920 bytes	0644
finddata.pyo	2920 bytes	0644
findpackage.py	786 bytes	0644
findpackage.pyc	910 bytes	0644
findpackage.pyo	910 bytes	0644
import_string.py	3110 bytes	0644
import_string.pyc	3319 bytes	0644
import_string.pyo	3319 bytes	0644
intset.py	19131 bytes	0644
intset.pyc	19354 bytes	0644
intset.pyo	19354 bytes	0644
ip4.py	9271 bytes	0644
ip4.pyc	9113 bytes	0644
ip4.pyo	9113 bytes	0644
killthread.py	1229 bytes	0644
killthread.pyc	1419 bytes	0644
killthread.pyo	1419 bytes	0644
looper.py.tmpta	3969 bytes	0644
mimeparse.py	6592 bytes	0644
mimeparse.pyc	7080 bytes	0644
mimeparse.pyo	7080 bytes	0644
multidict.py	11409 bytes	0644
multidict.pyc	16490 bytes	0644
multidict.pyo	16490 bytes	0644
quoting.py	2476 bytes	0644
quoting.pyc	2998 bytes	0644
quoting.pyo	2998 bytes	0644
scgiserver.py	5636 bytes	0644
scgiserver.pyc	6104 bytes	0644
scgiserver.pyo	5991 bytes	0644
string24.py	16743 bytes	0644
string24.pyc	18618 bytes	0644
string24.pyo	18618 bytes	0644
template.py.tmpta	24295 bytes	0644
threadedprint.py	8211 bytes	0644
threadedprint.pyc	10368 bytes	0644
threadedprint.pyo	9012 bytes	0644
threadinglocal.py	1484 bytes	0644
threadinglocal.pyc	2050 bytes	0644
threadinglocal.pyo	2050 bytes	0644

File Content: string24.py

File Content: `string24.py`