diff options
Diffstat (limited to 'paste/webkit/FakeWebware/MiscUtils/Funcs.py')
| -rw-r--r-- | paste/webkit/FakeWebware/MiscUtils/Funcs.py | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/paste/webkit/FakeWebware/MiscUtils/Funcs.py b/paste/webkit/FakeWebware/MiscUtils/Funcs.py deleted file mode 100644 index 236f925..0000000 --- a/paste/webkit/FakeWebware/MiscUtils/Funcs.py +++ /dev/null @@ -1,325 +0,0 @@ -""" -Funcs.py - -Funcs.py, a member of MiscUtils, holds functions that don't fit in anywhere else. -""" - -import md5, os, random, string, time, sys, tempfile -True, False = 1==1, 1==0 - - -def commas(number): - """ Returns the given number as a string with commas to separate the thousands positions. The number can be a float, int, long or string. Returns None for None. """ - if number is None: - return None - if not number: - return str(number) - number = list(str(number)) - if '.' in number: - i = number.index('.') - else: - i = len(number) - while 1: - i = i-3 - if i<=0 or number[i-1]=='-': - break - number[i:i] = [','] - return string.join(number, '') - - -def charWrap(s, width, hanging=0): - """ Returns a new version of the string word wrapped with the given width and hanging indent. The font is assumed to be monospaced. - This can be useful for including text between <pre> </pre> tags since <pre> will not word wrap and for lengthly lines, will increase the width of a web page. - It can also be used to help delineate the entries in log-style output by passing hanging=4. - """ - import string - if not s: - return s - assert hanging<width - hanging = ' ' * hanging - lines = string.split(s, '\n') - i = 0 - while i<len(lines): - s = lines[i] - while len(s)>width: - t = s[width:] - s = s[:width] - lines[i] = s - i = i + 1 - lines.insert(i, None) - s = hanging + t - else: - lines[i] = s - i = i + 1 - return string.join(lines, '\n') - -# Python 2.3 contains mktemp and mkstemp, both of which accept a -# directory argument. Earlier versions of Python only contained -# mktemp which didn't accept a directory argument. So we have to -# implement our own versions here. -if sys.version_info >= (2, 3, None, None): - # Just use the Python 2.3 built-in versions. - from tempfile import mktemp, mkstemp -else: - def mktemp(suffix="", dir=None): - """ - User-callable function to return a unique temporary file name. - - Duplicated from Python's own tempfile with the optional "dir" - argument added. This allows customization of the directory, without - having to take over the module level variable, tempdir. - """ - if not dir: dir = tempfile.gettempdir() - pre = tempfile.gettempprefix() - while 1: - i = tempfile._counter.get_next() - file = os.path.join(dir, pre + str(i) + suffix) - if not os.path.exists(file): - return file - - def mkstemp(suffix="", dir=None): - """ - User-callable function to return a tuple containing: - - a os-level file handle for the temp file, open for read/write - - the absolute path of that file - - Note that this version of the function is not as secure as the - version included in Python 2.3. - """ - path = mktemp(suffix, dir) - return os.open(path, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0600), path - -def wordWrap(s, width=78): - """ - Returns a version of the string word wrapped to the given width. - Respects existing newlines in the string. - - Taken from: - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/148061 - """ - return reduce( - lambda line, word, width=width: "%s%s%s" % ( - line, - ' \n'[(len(line[line.rfind('\n')+1:]) + len(word) >= width)], - word - ), - s.split(' ') - ) - - -def dateForEmail(now=None): - """ Returns a properly formatted date/time string for email messages """ - if now is None: - now = time.localtime(time.time()) - if now[8]==1: - offset = -time.altzone / 60 - else: - offset = -time.timezone / 60 - if offset<0: - plusminus = '-' - else: - plusminus = '+' - return time.strftime('%a, %d %b %Y %H:%M:%S ', now) + plusminus + '%02d%02d' % (abs(offset/60), abs(offset%60)) - - -def hostName(): - """ - Returns the host name which is taken first from the os environment and failing that, from the 'hostname' executable. May return None if neither attempt succeeded. - The environment keys checked are HOST and HOSTNAME both upper and lower case. - """ - for name in ['HOST', 'HOSTNAME', 'host', 'hostname']: - hostName = os.environ.get(name, None) - if hostName: - break - if not hostName: - hostName = string.strip(os.popen('hostname').read()) - if not hostName: - hostName = None - else: - hostName = string.lower(hostName) - return hostName - - -_localIP = None - -def localIP(remote=('www.yahoo.com', 80), useCache=1): - """ - Gets the "public" address of the local machine, i.e. that address - which is connected to the general Internet. - - This function connects to a remote HTTP server the first time it is - invoked (or every time it is invoked with useCache=0). If that is - not acceptable, pass remote=None, but be warned that the result is - less likely to be externally visible. - - Getting your local ip is actually quite complex. If this function - is not serving your needs then you probably need to think deeply - about what you really want and how your network is really set up. - Search comp.lang.python for "local ip" for more information. - http://groups.google.com/groups?q=%22local+ip%22+group:comp.lang.python.* - """ - global _localIP - if useCache and _localIP: - return _localIP - import socket - if remote: - # code from Donn Cave on comp.lang.python - - # My notes: - # Q: Why not use this? socket.gethostbyname(socket.gethostname()) - # A: On some machines, it returns '127.0.0.1' - not what we had in mind. - # - # Q: Why not use this? socket.gethostbyname_ex(socket.gethostname())[2] - # A: Because some machines have more than one IP (think "VPN", etc.) and - # there is no easy way to tell which one is the externally visible IP. - - try: - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.connect(remote) - ip, port = s.getsockname() - s.close() - _localIP = ip - return _localIP - except socket.error: - # oh, well. we'll use the local method - pass - - addresses = socket.gethostbyname_ex(socket.gethostname())[2] - for address in addresses: - if address!='127.0.0.1': - if useCache: - _localIP = address - return address - if useCache: - _localIP = addresses[0] - return _localIP - - -def safeDescription(x, what='what'): - """ - Returns the repr() of x and its class (or type) for help in - debugging. A major benefit here is that exceptions from - repr() are consumed. This is important in places like - "assert" where you don't want to lose the assertion - exception in your attempt to get more information. - - Example use: - assert isinstance(foo, Foo), safeDescription(foo) - print "foo:", safeDescription(foo) # won't raise exceptions - - # better output format: - assert isinstance(foo, Foo), safeDescription(foo, 'foo') - print safeDescription(foo, 'foo') - """ - try: - xRepr = repr(x) - except Exception, e: - xRepr = _descExc('x', e) - if hasattr(x, '__class__'): - try: - cRepr = repr(x.__class__) - except Exception, e: - cRepr = _descExc('x.__class__', e) - return '%s=%s class=%s' % (what, xRepr, cRepr) - else: - try: - cRepr = repr(type(x)) - except Exception, e: - cRepr = _descExc('type(x)', e) - return '%s=%s type=%s' % (what, xRepr, cRepr) - -def _descExc(reprOfWhat, e): - """ - Returns a description of an exception. This is a private function - for use by safeDescription(). - """ - try: - return '(exception from repr(%s): %s: %s)' % (reprOfWhat, e.__class__, e) - except: - return '(exception from repr(%s))' % reprOfWhat - -def timestamp(numSecs=None): - """ - Returns a dictionary whose keys give different versions of the timestamp: - 'numSecs': the number of seconds - 'tuple': (year, month, day, hour, min, sec) - 'pretty': 'YYYY-MM-DD HH:MM:SS' - 'condensed': 'YYYYMMDDHHMMSS' - 'dashed': 'YYYY-MM-DD-HH-MM-SS' - The focus is on the year, month, day, hour and second, with no additional information such as timezone or day of year. This form of timestamp is often ideal for print statements, logs and filenames. - If the current number of seconds is not passed, then the current time is taken. - The 'pretty' format is ideal for print statements, while the 'condensed' and 'dashed' formats are generally more appropriate for filenames. - """ - if numSecs is None: - numSecs = time.time() - tuple = time.localtime(numSecs)[:6] - pretty = '%4i-%02i-%02i %02i:%02i:%02i' % tuple - condensed = '%4i%02i%02i%02i%02i%02i' % tuple - dashed = '%4i-%02i-%02i-%02i-%02i-%02i' % tuple - return locals() - - -def uniqueId(forObject=None): - """ - Generates an opaque, identifier string that is practically guaranteed to be unique. - If an object is passed, then its id() is incorporated into the generation. - Relies on md5 and returns a 32 character long string. - """ - r = [time.time(), random.random(), os.times()] - if forObject is not None: - r.append(id(forObject)) - md5object = md5.new(str(r)) - try: - return md5object.hexdigest() - except AttributeError: - # Older versions of Python didn't have hexdigest, so we'll do it manually - hexdigest = [] - for char in md5object.digest(): - hexdigest.append('%02x' % ord(char)) - return string.join(hexdigest, '') - - -def valueForString(s): - """ - For a given string, returns the most appropriate Pythonic value - such as None, a long, an int, a list, etc. If none of those - make sense, then returns the string as-is. - - "None", "True" and "False" are case-insensitive because there is - already too much case sensitivity in computing, damn it! - """ - if not s: - return s - try: - return int(s) - except ValueError: - pass - try: - return long(s) - except ValueError: - pass - try: - return float(s) - except ValueError: - pass - t = s.lower() - if t=='none': - return None - if t=='true': - return True - if t=='false': - return False - if s[0] in '[({"\'': - return eval(s) - return s - - -### Deprecated - -def Commas(number): - print 'DEPRECATED: MiscUtils.Funcs.Commas() on 02/23/01 in ver 0.5. Use commas() instead.' - return commas(number) - -def CharWrap(s, width, hanging=0): - print 'DEPRECATED: MiscUtils.Funcs.CharWrap() on 02/23/01 in ver 0.5. Use charWrap() instead.' - return charWrap(s, width, hanging) |