Changeset 748

Timestamp:

07/16/07 20:38:22 (1 year ago)

Author:

robin

Message:

--

Files:

• commando/trunk/commandolite.py (modified) (4 diffs)
• commando/trunk/tests (added)
• commando/trunk/tests/test_pathdiscovery.py (added)

commando/trunk/commandolite.py

@@ -4 +4 @@
-import signal
-import traceback
+import inspect
+import imp
-import logging
-import optparse
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-log = logging.getLogger(__name__)
@@ -147 +152 @@
-# files, file names, paths
-def abs_normpath(path, *parts):
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-def relative_read(filename, *rnames):
@@ -166 +167 @@
-    else:
-        log.debug('Directory "%s" already exists' % path)
+
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+def path_moduleinfo(path, allowmtypes=(imp.PY_SOURCE, imp.PY_COMPILED)):
+    """Get extended module info for `path`
+
+    If path identifies a legitemate python file (as determined by
+    inspect.getmoduleinfo) then return a 4 element tuple:
+
+    (absoloute *parent* of `path`, modname, ext, mode, mtype)
+
+    modname, ext, mode and mtype are obtained using `inspect.getmoduleinfo`
+    Note that for a legitemate path::
+
+        path_moduleinfo(path)[1:] == inspect.moduleinfo(path)
+
+    """
+    v = inspect.getmoduleinfo(path)
+    if not v:
+        return
+    modname, ext, mode, mtype = v
+    if mtype not in allowmtypes:
+        return None
+    abs_path = dirname(normpath(abspath(expanduser(path))))
+    return (abs_path, modname, ext, mode, mtype)
+
+# from distutils.util, because fools at debian think its a good idea to remove
+# distutils from the standard distribution.
+def convert_path (pathname):
+    """Return 'pathname' as a name that will work on the native filesystem,
+    i.e. split it on '/' and put it back together again using the current
+    directory separator.  Needed because filenames in the setup script are
+    always supplied in Unix style, and have to be converted to the local
+    convention before we can actually use them in the filesystem.  Raises
+    ValueError on non-Unix-ish systems if 'pathname' either starts or
+    ends with a slash.
+    """
+    if os.sep == '/':
+        return pathname
+    if not pathname:
+        return pathname
+    if pathname[0] == '/':
+        raise ValueError, "path '%s' cannot be absolute" % pathname
+    if pathname[-1] == '/':
+        raise ValueError, "path '%s' cannot end with '/'" % pathname
+
+    paths = string.split(pathname, '/')
+    while '.' in paths:
+        paths.remove('.')
+    if not paths:
+        return os.curdir
+    return apply(os.path.join, paths)
+
+# find_packages from setuptools
+def find_packages(where='.', exclude=()):
+    """Return a list all Python packages found within directory 'where'
+
+    'where' should be supplied as a "cross-platform" (i.e. URL-style) path; it
+    will be converted to the appropriate local path syntax.  'exclude' is a
+    sequence of package names to exclude; '*' can be used as a wildcard in the
+    names, such that 'foo.*' will exclude all subpackages of 'foo' (but not
+    'foo' itself).
+    """
+    out = []
+    stack=[(convert_path(where), '')]
+    while stack:
+        where,prefix = stack.pop(0)
+        for name in os.listdir(where):
+            fn = os.path.join(where,name)
+            if ('.' not in name and os.path.isdir(fn) and
+                os.path.isfile(os.path.join(fn,'__init__.py'))
+            ):
+                out.append(prefix+name); stack.append((fn,prefix+name+'.'))
+    for pat in list(exclude)+['ez_setup']:
+        from fnmatch import fnmatchcase
+        out = [item for item in out if not fnmatchcase(item,pat)]
+    return out
+
+
+def find_top_packages(where='.'):
+    tops={}
+    out = []
+    stack=[convert_path(where)]
+    while stack:
+        where = stack.pop(0)
+        for name in os.listdir(where):
+            fn = join(where,name)
+            if isdir(fn):
+                if ('.' not in name and isfile(join(fn,'__init__.py'))):
+                    tops.setdefault(where, {})[name]=fn
+                else:
+                    stack.append(fn)
+    return tops
-
-#-----------------------------------------------------------------------------
@@ -350 +443 @@
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-#-----------------------------------------------------------------------------
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