Delete a bunch of dead python code.

sky/tools/webkitpy/thirdparty/coverage/files.py

Index: sky/tools/webkitpy/thirdparty/coverage/files.py
diff --git a/sky/tools/webkitpy/thirdparty/coverage/files.py b/sky/tools/webkitpy/thirdparty/coverage/files.py
deleted file mode 100644
index 81ec196f21685af4434a0fbc61f85d7f901aa8e7..0000000000000000000000000000000000000000
--- a/sky/tools/webkitpy/thirdparty/coverage/files.py
+++ /dev/null
@@ -1,219 +0,0 @@
-"""File wrangling."""
-
-from coverage.backward import to_string
-from coverage.misc import CoverageException
-import fnmatch, os, re, sys
-
-class FileLocator(object):
-    """Understand how filenames work."""
-
-    def __init__(self):
-        # The absolute path to our current directory.
-        self.relative_dir = self.abs_file(os.curdir) + os.sep
-
-        # Cache of results of calling the canonical_filename() method, to
-        # avoid duplicating work.
-        self.canonical_filename_cache = {}
-
-    def abs_file(self, filename):
-        """Return the absolute normalized form of `filename`."""
-        return os.path.normcase(os.path.abspath(os.path.realpath(filename)))
-
-    def relative_filename(self, filename):
-        """Return the relative form of `filename`.
-
-        The filename will be relative to the current directory when the
-        `FileLocator` was constructed.
-
-        """
-        if filename.startswith(self.relative_dir):
-            filename = filename.replace(self.relative_dir, "")
-        return filename
-
-    def canonical_filename(self, filename):
-        """Return a canonical filename for `filename`.
-
-        An absolute path with no redundant components and normalized case.
-
-        """
-        if filename not in self.canonical_filename_cache:
-            f = filename
-            if os.path.isabs(f) and not os.path.exists(f):
-                if self.get_zip_data(f) is None:
-                    f = os.path.basename(f)
-            if not os.path.isabs(f):
-                for path in [os.curdir] + sys.path:
-                    if path is None:
-                        continue
-                    g = os.path.join(path, f)
-                    if os.path.exists(g):
-                        f = g
-                        break
-            cf = self.abs_file(f)
-            self.canonical_filename_cache[filename] = cf
-        return self.canonical_filename_cache[filename]
-
-    def get_zip_data(self, filename):
-        """Get data from `filename` if it is a zip file path.
-
-        Returns the string data read from the zip file, or None if no zip file
-        could be found or `filename` isn't in it.  The data returned will be
-        an empty string if the file is empty.
-
-        """
-        import zipimport
-        markers = ['.zip'+os.sep, '.egg'+os.sep]
-        for marker in markers:
-            if marker in filename:
-                parts = filename.split(marker)
-                try:
-                    zi = zipimport.zipimporter(parts[0]+marker[:-1])
-                except zipimport.ZipImportError:
-                    continue
-                try:
-                    data = zi.get_data(parts[1])
-                except IOError:
-                    continue
-                return to_string(data)
-        return None
-
-
-class TreeMatcher(object):
-    """A matcher for files in a tree."""
-    def __init__(self, directories):
-        self.dirs = directories[:]
-
-    def __repr__(self):
-        return "<TreeMatcher %r>" % self.dirs
-
-    def add(self, directory):
-        """Add another directory to the list we match for."""
-        self.dirs.append(directory)
-
-    def match(self, fpath):
-        """Does `fpath` indicate a file in one of our trees?"""
-        for d in self.dirs:
-            if fpath.startswith(d):
-                if fpath == d:
-                    # This is the same file!
-                    return True
-                if fpath[len(d)] == os.sep:
-                    # This is a file in the directory
-                    return True
-        return False
-
-
-class FnmatchMatcher(object):
-    """A matcher for files by filename pattern."""
-    def __init__(self, pats):
-        self.pats = pats[:]
-
-    def __repr__(self):
-        return "<FnmatchMatcher %r>" % self.pats
-
-    def match(self, fpath):
-        """Does `fpath` match one of our filename patterns?"""
-        for pat in self.pats:
-            if fnmatch.fnmatch(fpath, pat):
-                return True
-        return False
-
-
-def sep(s):
-    """Find the path separator used in this string, or os.sep if none."""
-    sep_match = re.search(r"[\\/]", s)
-    if sep_match:
-        the_sep = sep_match.group(0)
-    else:
-        the_sep = os.sep
-    return the_sep
-
-
-class PathAliases(object):
-    """A collection of aliases for paths.
-
-    When combining data files from remote machines, often the paths to source
-    code are different, for example, due to OS differences, or because of
-    serialized checkouts on continuous integration machines.
-
-    A `PathAliases` object tracks a list of pattern/result pairs, and can
-    map a path through those aliases to produce a unified path.
-
-    `locator` is a FileLocator that is used to canonicalize the results.
-
-    """
-    def __init__(self, locator=None):
-        self.aliases = []
-        self.locator = locator
-
-    def add(self, pattern, result):
-        """Add the `pattern`/`result` pair to the list of aliases.
-
-        `pattern` is an `fnmatch`-style pattern.  `result` is a simple
-        string.  When mapping paths, if a path starts with a match against
-        `pattern`, then that match is replaced with `result`.  This models
-        isomorphic source trees being rooted at different places on two
-        different machines.
-
-        `pattern` can't end with a wildcard component, since that would
-        match an entire tree, and not just its root.
-
-        """
-        # The pattern can't end with a wildcard component.
-        pattern = pattern.rstrip(r"\/")
-        if pattern.endswith("*"):
-            raise CoverageException("Pattern must not end with wildcards.")
-        pattern_sep = sep(pattern)
-        pattern += pattern_sep
-
-        # Make a regex from the pattern.  fnmatch always adds a \Z or $ to
-        # match the whole string, which we don't want.
-        regex_pat = fnmatch.translate(pattern).replace(r'\Z(', '(')
-        if regex_pat.endswith("$"):
-            regex_pat = regex_pat[:-1]
-        # We want */a/b.py to match on Windows to, so change slash to match
-        # either separator.
-        regex_pat = regex_pat.replace(r"\/", r"[\\/]")
-        # We want case-insensitive matching, so add that flag.
-        regex = re.compile("(?i)" + regex_pat)
-
-        # Normalize the result: it must end with a path separator.
-        result_sep = sep(result)
-        result = result.rstrip(r"\/") + result_sep
-        self.aliases.append((regex, result, pattern_sep, result_sep))
-
-    def map(self, path):
-        """Map `path` through the aliases.
-
-        `path` is checked against all of the patterns.  The first pattern to
-        match is used to replace the root of the path with the result root.
-        Only one pattern is ever used.  If no patterns match, `path` is
-        returned unchanged.
-
-        The separator style in the result is made to match that of the result
-        in the alias.
-
-        """
-        for regex, result, pattern_sep, result_sep in self.aliases:
-            m = regex.match(path)
-            if m:
-                new = path.replace(m.group(0), result)
-                if pattern_sep != result_sep:
-                    new = new.replace(pattern_sep, result_sep)
-                if self.locator:
-                    new = self.locator.canonical_filename(new)
-                return new
-        return path
-
-
-def find_python_files(dirname):
-    """Yield all of the importable Python files in `dirname`, recursively."""
-    for dirpath, dirnames, filenames in os.walk(dirname, topdown=True):
-        if '__init__.py' not in filenames:
-            # If a directory doesn't have __init__.py, then it isn't
-            # importable and neither are its files
-            del dirnames[:]
-            continue
-        for filename in filenames:
-            if fnmatch.fnmatch(filename, "*.py"):
-                yield os.path.join(dirpath, filename)