diff env/lib/python3.7/site-packages/setuptools/depends.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/setuptools/depends.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,186 +0,0 @@
-import sys
-import imp
-import marshal
-from distutils.version import StrictVersion
-from imp import PKG_DIRECTORY, PY_COMPILED, PY_SOURCE, PY_FROZEN
-
-from .py33compat import Bytecode
-
-
-__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 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 assignment
-        return None
-
-    name_idx = list(code.co_names).index(symbol)
-
-    STORE_NAME = 90
-    STORE_GLOBAL = 97
-    LOAD_CONST = 100
-
-    const = default
-
-    for byte_code in Bytecode(code):
-        op = byte_code.opcode
-        arg = byte_code.arg
-
-        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
-
-
-def _update_globals():
-    """
-    Patch the globals to remove the objects not available on some platforms.
-
-    XXX it'd be better to test assertions about bytecode instead.
-    """
-
-    if not sys.platform.startswith('java') and sys.platform != 'cli':
-        return
-    incompatible = 'extract_constant', 'get_module_constant'
-    for name in incompatible:
-        del globals()[name]
-        __all__.remove(name)
-
-
-_update_globals()