Source code for libcloud.utils.dist

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# Taken From Twisted Python which licensed under MIT license

import os
import fnmatch

# Names that are excluded from globbing results:
EXCLUDE_NAMES = ["{arch}", "CVS", ".cvsignore", "_darcs", "RCS", "SCCS", ".svn"]
EXCLUDE_PATTERNS = ["*.py[cdo]", "*.s[ol]", ".#*", "*~", "*.py"]

def _filter_names(names):
    Given a list of file names, return those names that should be copied.
    names = [n for n in names if n not in EXCLUDE_NAMES]
    # This is needed when building a distro from a working
    # copy (likely a checkout) rather than a pristine export:
    for pattern in EXCLUDE_PATTERNS:
        names = [n for n in names if not fnmatch.fnmatch(n, pattern) and not n.endswith(".py")]
    return names

[docs]def relative_to(base, relativee): """ Gets 'relativee' relative to 'basepath'. i.e., >>> relative_to('/home/', '/home/radix/') 'radix' >>> relative_to('.', '/home/radix/Projects/Twisted') 'Projects/Twisted' The 'relativee' must be a child of 'basepath'. """ basepath = os.path.abspath(base) relativee = os.path.abspath(relativee) if relativee.startswith(basepath): relative = relativee[len(basepath) :] if relative.startswith(os.sep): relative = relative[1:] return os.path.join(base, relative) raise ValueError("{} is not a subpath of {}".format(relativee, basepath))
[docs]def get_packages(dname, pkgname=None, results=None, ignore=None, parent=None): """ Get all packages which are under dname. This is necessary for Python 2.2's distutils. Pretty similar arguments to getDataFiles, including 'parent'. """ parent = parent or "" prefix = [] if parent: prefix = [parent] bname = os.path.basename(dname) ignore = ignore or [] if bname in ignore: return [] if results is None: results = [] if pkgname is None: pkgname = [] subfiles = os.listdir(dname) abssubfiles = [os.path.join(dname, x) for x in subfiles] if "" in subfiles: results.append(prefix + pkgname + [bname]) for subdir in filter(os.path.isdir, abssubfiles): get_packages( subdir, pkgname=pkgname + [bname], results=results, ignore=ignore, parent=parent, ) res = [".".join(result) for result in results] return res
[docs]def get_data_files(dname, ignore=None, parent=None): """ Get all the data files that should be included in this distutils Project. 'dname' should be the path to the package that you're distributing. 'ignore' is a list of sub-packages to ignore. This facilitates disparate package hierarchies. That's a fancy way of saying that the 'twisted' package doesn't want to include the 'twisted.conch' package, so it will pass ['conch'] as the value. 'parent' is necessary if you're distributing a subpackage like twisted.conch. 'dname' should point to 'twisted/conch' and 'parent' should point to 'twisted'. This ensures that your data_files are generated correctly, only using relative paths for the first element of the tuple ('twisted/conch/*'). The default 'parent' is the current working directory. """ parent = parent or "." ignore = ignore or [] result = [] for directory, subdirectories, filenames in os.walk(dname): resultfiles = [] for exname in EXCLUDE_NAMES: if exname in subdirectories: subdirectories.remove(exname) for ig in ignore: if ig in subdirectories: subdirectories.remove(ig) for filename in _filter_names(filenames): resultfiles.append(filename) if resultfiles: for filename in resultfiles: file_path = os.path.join(directory, filename) if parent: file_path = file_path.replace(parent + os.sep, "") result.append(file_path) return result