FM / setuptools

/usr/lib/python2.6/site-packages/setuptools/

/usr/lib/python2.6/site-packages/setuptools

Name	Size	Mode	Actions
command/	-	0755	rm
extern/	-	0755	rm
archive_util.py	5927	0644	edit dl rm
archive_util.pyc	5767	0644	edit dl rm
archive_util.pyo	5767	0644	edit dl rm
cli-32.exe	65536	0644	edit dl rm
cli-64.exe	74752	0644	edit dl rm
cli-arm-32.exe	69120	0644	edit dl rm
cli.exe	65536	0644	edit dl rm
depends.py	6209	0644	edit dl rm
depends.pyc	6815	0644	edit dl rm
depends.pyo	6815	0644	edit dl rm
dist.py	30266	0644	edit dl rm
dist.pyc	30544	0644	edit dl rm
dist.pyo	30482	0644	edit dl rm
extension.py	1100	0644	edit dl rm
extension.pyc	1612	0644	edit dl rm
extension.pyo	1612	0644	edit dl rm
gui-32.exe	65536	0644	edit dl rm
gui-64.exe	75264	0644	edit dl rm
gui-arm-32.exe	69120	0644	edit dl rm
gui.exe	65536	0644	edit dl rm
launch.py	793	0644	edit dl rm
launch.pyc	1008	0644	edit dl rm
lib2to3_ex.py	1998	0644	edit dl rm
lib2to3_ex.pyc	3026	0644	edit dl rm
msvc9_support.py	2185	0644	edit dl rm
msvc9_support.pyc	2122	0644	edit dl rm
package_index.py	29140	0644	edit dl rm
package_index.pyc	27883	0644	edit dl rm
package_index.pyo	27883	0644	edit dl rm
py26compat.py	481	0644	edit dl rm
py26compat.pyc	987	0644	edit dl rm
py27compat.py	306	0644	edit dl rm
py27compat.pyc	745	0644	edit dl rm
py31compat.py	1636	0644	edit dl rm
py31compat.pyc	2403	0644	edit dl rm
sandbox.py	8186	0644	edit dl rm
sandbox.pyc	10929	0644	edit dl rm
sandbox.pyo	10929	0644	edit dl rm
script (dev).tmpl	201	0644	edit dl rm
script.tmpl	138	0644	edit dl rm
site-patch.py	2389	0644	edit dl rm
site-patch.pyc	1785	0644	edit dl rm
ssl_support.py	8119	0644	edit dl rm
ssl_support.pyc	7937	0644	edit dl rm
unicode_utils.py	995	0644	edit dl rm
unicode_utils.pyc	1485	0644	edit dl rm
utils.py	293	0644	edit dl rm
utils.pyc	545	0644	edit dl rm
version.py	132	0644	edit dl rm
version.pyc	324	0644	edit dl rm
windows_support.py	714	0644	edit dl rm
windows_support.pyc	1278	0644	edit dl rm
__init__.py	3434	0644	edit dl rm
__init__.pyc	3876	0644	edit dl rm
__init__.pyo	3876	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/setuptools/depends.py (6209B)

from __future__ import generators
import sys, imp, marshal
from imp import PKG_DIRECTORY, PY_COMPILED, PY_SOURCE, PY_FROZEN
from distutils.version import StrictVersion, LooseVersion

__all__ = [
    'Require', 'find_module', 'get_module_constant', 'extract_constant'
]

class Require:
    """A prerequisite to building or installing a distribution"""

def __init__(self,name,requested_version,module,homepage='',
        attribute=None,format=None
    ):

if format is None and requested_version is not None:
            format = StrictVersion

if format is not None:
            requested_version = format(requested_version)
            if attribute is None:
                attribute = '__version__'

self.__dict__.update(locals())
        del self.self

def full_name(self):
        """Return full package/distribution name, w/version"""
        if self.requested_version is not None:
            return '%s-%s' % (self.name,self.requested_version)
        return self.name

def version_ok(self,version):
        """Is 'version' sufficiently up-to-date?"""
        return self.attribute is None or self.format is None or \
            str(version)<>"unknown" and version >= self.requested_version

def get_version(self, paths=None, default="unknown"):

"""Get version number of installed module, 'None', or 'default'

Search 'paths' for module.  If not found, return 'None'.  If found,
        return the extracted version attribute, or 'default' if no version
        attribute was specified, or the value cannot be determined without
        importing the module.  The version is formatted according to the
        requirement's version format (if any), unless it is 'None' or the
        supplied 'default'.
        """

if self.attribute is None:
            try:
                f,p,i = find_module(self.module,paths)
                if f: f.close()
                return default
            except ImportError:
                return None

v = get_module_constant(self.module,self.attribute,default,paths)

if v is not None and v is not default and self.format is not None:
            return self.format(v)

return v

def is_present(self,paths=None):
        """Return true if dependency is present on 'paths'"""
        return self.get_version(paths) is not None

def is_current(self,paths=None):
        """Return true if dependency is present and up-to-date on 'paths'"""
        version = self.get_version(paths)
        if version is None:
            return False
        return self.version_ok(version)

def _iter_code(code):

"""Yield '(op,arg)' pair for each operation in code object 'code'"""

from array import array
    from dis import HAVE_ARGUMENT, EXTENDED_ARG

bytes = array('b',code.co_code)
    eof = len(code.co_code)

ptr = 0
    extended_arg = 0

while ptr<eof:

op = bytes[ptr]

if op>=HAVE_ARGUMENT:

arg = bytes[ptr+1] + bytes[ptr+2]*256 + extended_arg
            ptr += 3

if op==EXTENDED_ARG:
                extended_arg = arg * 65536L
                continue

else:
            arg = None
            ptr += 1

yield op,arg

def find_module(module, paths=None):
    """Just like 'imp.find_module()', but with package support"""

parts = module.split('.')

while parts:
        part = parts.pop(0)
        f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)

if kind==PKG_DIRECTORY:
            parts = parts or ['__init__']
            paths = [path]

elif parts:
            raise ImportError("Can't find %r in %s" % (parts,module))

return info

def get_module_constant(module, symbol, default=-1, paths=None):

"""Find 'module' by searching 'paths', and extract 'symbol'

Return 'None' if 'module' does not exist on 'paths', or it does not define
    'symbol'.  If the module defines 'symbol' as a constant, return the
    constant.  Otherwise, return 'default'."""

try:
        f, path, (suffix,mode,kind) = find_module(module,paths)
    except ImportError:
        # Module doesn't exist
        return None

try:
        if kind==PY_COMPILED:
            f.read(8)   # skip magic & date
            code = marshal.load(f)
        elif kind==PY_FROZEN:
            code = imp.get_frozen_object(module)
        elif kind==PY_SOURCE:
            code = compile(f.read(), path, 'exec')
        else:
            # Not something we can parse; we'll have to import it.  :(
            if module not in sys.modules:
                imp.load_module(module,f,path,(suffix,mode,kind))
            return getattr(sys.modules[module],symbol,None)

finally:
        if f:
            f.close()

return extract_constant(code,symbol,default)

def extract_constant(code,symbol,default=-1):
    """Extract the constant value of 'symbol' from 'code'

If the name 'symbol' is bound to a constant value by the Python code
    object 'code', return that value.  If 'symbol' is bound to an expression,
    return 'default'.  Otherwise, return 'None'.

Return value is based on the first assignment to 'symbol'.  'symbol' must
    be a global, or at least a non-"fast" local in the code block.  That is,
    only 'STORE_NAME' and 'STORE_GLOBAL' opcodes are checked, and 'symbol'
    must be present in 'code.co_names'.
    """

if symbol not in code.co_names:
        # name's not there, can't possibly be an assigment
        return None

name_idx = list(code.co_names).index(symbol)

STORE_NAME = 90
    STORE_GLOBAL = 97
    LOAD_CONST = 100

const = default

for op, arg in _iter_code(code):

if op==LOAD_CONST:
            const = code.co_consts[arg]
        elif arg==name_idx and (op==STORE_NAME or op==STORE_GLOBAL):
            return const
        else:
            const = default
            
if sys.platform.startswith('java') or sys.platform == 'cli':
    # XXX it'd be better to test assertions about bytecode instead...
    del extract_constant, get_module_constant
    __all__.remove('extract_constant')
    __all__.remove('get_module_constant')

cmd: