Index: third_party/google-endpoints/setuptools/glob.py |
diff --git a/third_party/google-endpoints/setuptools/glob.py b/third_party/google-endpoints/setuptools/glob.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f264402671a6b0f3d37ad202777a27ac0d827fb0 |
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+++ b/third_party/google-endpoints/setuptools/glob.py |
@@ -0,0 +1,176 @@ |
+""" |
+Filename globbing utility. Mostly a copy of `glob` from Python 3.5. |
+ |
+Changes include: |
+ * `yield from` and PEP3102 `*` removed. |
+ * `bytes` changed to `six.binary_type`. |
+ * Hidden files are not ignored. |
+""" |
+ |
+import os |
+import re |
+import fnmatch |
+from six import binary_type |
+ |
+__all__ = ["glob", "iglob", "escape"] |
+ |
+ |
+def glob(pathname, recursive=False): |
+ """Return a list of paths matching a pathname pattern. |
+ |
+ The pattern may contain simple shell-style wildcards a la |
+ fnmatch. However, unlike fnmatch, filenames starting with a |
+ dot are special cases that are not matched by '*' and '?' |
+ patterns. |
+ |
+ If recursive is true, the pattern '**' will match any files and |
+ zero or more directories and subdirectories. |
+ """ |
+ return list(iglob(pathname, recursive=recursive)) |
+ |
+ |
+def iglob(pathname, recursive=False): |
+ """Return an iterator which yields the paths matching a pathname pattern. |
+ |
+ The pattern may contain simple shell-style wildcards a la |
+ fnmatch. However, unlike fnmatch, filenames starting with a |
+ dot are special cases that are not matched by '*' and '?' |
+ patterns. |
+ |
+ If recursive is true, the pattern '**' will match any files and |
+ zero or more directories and subdirectories. |
+ """ |
+ it = _iglob(pathname, recursive) |
+ if recursive and _isrecursive(pathname): |
+ s = next(it) # skip empty string |
+ assert not s |
+ return it |
+ |
+ |
+def _iglob(pathname, recursive): |
+ dirname, basename = os.path.split(pathname) |
+ if not has_magic(pathname): |
+ if basename: |
+ if os.path.lexists(pathname): |
+ yield pathname |
+ else: |
+ # Patterns ending with a slash should match only directories |
+ if os.path.isdir(dirname): |
+ yield pathname |
+ return |
+ if not dirname: |
+ if recursive and _isrecursive(basename): |
+ for x in glob2(dirname, basename): |
+ yield x |
+ else: |
+ for x in glob1(dirname, basename): |
+ yield x |
+ return |
+ # `os.path.split()` returns the argument itself as a dirname if it is a |
+ # drive or UNC path. Prevent an infinite recursion if a drive or UNC path |
+ # contains magic characters (i.e. r'\\?\C:'). |
+ if dirname != pathname and has_magic(dirname): |
+ dirs = _iglob(dirname, recursive) |
+ else: |
+ dirs = [dirname] |
+ if has_magic(basename): |
+ if recursive and _isrecursive(basename): |
+ glob_in_dir = glob2 |
+ else: |
+ glob_in_dir = glob1 |
+ else: |
+ glob_in_dir = glob0 |
+ for dirname in dirs: |
+ for name in glob_in_dir(dirname, basename): |
+ yield os.path.join(dirname, name) |
+ |
+ |
+# These 2 helper functions non-recursively glob inside a literal directory. |
+# They return a list of basenames. `glob1` accepts a pattern while `glob0` |
+# takes a literal basename (so it only has to check for its existence). |
+ |
+ |
+def glob1(dirname, pattern): |
+ if not dirname: |
+ if isinstance(pattern, binary_type): |
+ dirname = os.curdir.encode('ASCII') |
+ else: |
+ dirname = os.curdir |
+ try: |
+ names = os.listdir(dirname) |
+ except OSError: |
+ return [] |
+ return fnmatch.filter(names, pattern) |
+ |
+ |
+def glob0(dirname, basename): |
+ if not basename: |
+ # `os.path.split()` returns an empty basename for paths ending with a |
+ # directory separator. 'q*x/' should match only directories. |
+ if os.path.isdir(dirname): |
+ return [basename] |
+ else: |
+ if os.path.lexists(os.path.join(dirname, basename)): |
+ return [basename] |
+ return [] |
+ |
+ |
+# This helper function recursively yields relative pathnames inside a literal |
+# directory. |
+ |
+ |
+def glob2(dirname, pattern): |
+ assert _isrecursive(pattern) |
+ yield pattern[:0] |
+ for x in _rlistdir(dirname): |
+ yield x |
+ |
+ |
+# Recursively yields relative pathnames inside a literal directory. |
+def _rlistdir(dirname): |
+ if not dirname: |
+ if isinstance(dirname, binary_type): |
+ dirname = binary_type(os.curdir, 'ASCII') |
+ else: |
+ dirname = os.curdir |
+ try: |
+ names = os.listdir(dirname) |
+ except os.error: |
+ return |
+ for x in names: |
+ yield x |
+ path = os.path.join(dirname, x) if dirname else x |
+ for y in _rlistdir(path): |
+ yield os.path.join(x, y) |
+ |
+ |
+magic_check = re.compile('([*?[])') |
+magic_check_bytes = re.compile(b'([*?[])') |
+ |
+ |
+def has_magic(s): |
+ if isinstance(s, binary_type): |
+ match = magic_check_bytes.search(s) |
+ else: |
+ match = magic_check.search(s) |
+ return match is not None |
+ |
+ |
+def _isrecursive(pattern): |
+ if isinstance(pattern, binary_type): |
+ return pattern == b'**' |
+ else: |
+ return pattern == '**' |
+ |
+ |
+def escape(pathname): |
+ """Escape all special characters. |
+ """ |
+ # Escaping is done by wrapping any of "*?[" between square brackets. |
+ # Metacharacters do not work in the drive part and shouldn't be escaped. |
+ drive, pathname = os.path.splitdrive(pathname) |
+ if isinstance(pathname, binary_type): |
+ pathname = magic_check_bytes.sub(br'[\1]', pathname) |
+ else: |
+ pathname = magic_check.sub(r'[\1]', pathname) |
+ return drive + pathname |