Add google-endpoints to third_party/.

third_party/google-endpoints/libpasteurize/fixes/fix_imports2.py

Index: third_party/google-endpoints/libpasteurize/fixes/fix_imports2.py
diff --git a/third_party/google-endpoints/libpasteurize/fixes/fix_imports2.py b/third_party/google-endpoints/libpasteurize/fixes/fix_imports2.py
new file mode 100644
index 0000000000000000000000000000000000000000..5b30b5f5db29006455eba80c9a3639954cff0d3a
--- /dev/null
+++ b/third_party/google-endpoints/libpasteurize/fixes/fix_imports2.py
@@ -0,0 +1,175 @@
+u"""
+Fixer for complicated imports
+"""
+
+from lib2to3 import fixer_base
+from lib2to3.fixer_util import Name, String, FromImport, Newline, Comma
+from libfuturize.fixer_util import touch_import_top
+
+
+TK_BASE_NAMES = (u'ACTIVE', u'ALL', u'ANCHOR', u'ARC',u'BASELINE', u'BEVEL', u'BOTH',
+                 u'BOTTOM', u'BROWSE', u'BUTT', u'CASCADE', u'CENTER', u'CHAR',
+                 u'CHECKBUTTON', u'CHORD', u'COMMAND', u'CURRENT', u'DISABLED',
+                 u'DOTBOX', u'E', u'END', u'EW', u'EXCEPTION', u'EXTENDED', u'FALSE',
+                 u'FIRST', u'FLAT', u'GROOVE', u'HIDDEN', u'HORIZONTAL', u'INSERT',
+                 u'INSIDE', u'LAST', u'LEFT', u'MITER', u'MOVETO', u'MULTIPLE', u'N',
+                 u'NE', u'NO', u'NONE', u'NORMAL', u'NS', u'NSEW', u'NUMERIC', u'NW',
+                 u'OFF', u'ON', u'OUTSIDE', u'PAGES', u'PIESLICE', u'PROJECTING',
+                 u'RADIOBUTTON', u'RAISED', u'READABLE', u'RIDGE', u'RIGHT',
+                 u'ROUND', u'S', u'SCROLL', u'SE', u'SEL', u'SEL_FIRST', u'SEL_LAST',
+                 u'SEPARATOR', u'SINGLE', u'SOLID', u'SUNKEN', u'SW', u'StringTypes',
+                 u'TOP', u'TRUE', u'TclVersion', u'TkVersion', u'UNDERLINE', 
+                 u'UNITS', u'VERTICAL', u'W', u'WORD', u'WRITABLE', u'X', u'Y', u'YES',
+                 u'wantobjects')
+
+PY2MODULES = { 
+              u'urllib2' : (
+                  u'AbstractBasicAuthHandler', u'AbstractDigestAuthHandler',
+                  u'AbstractHTTPHandler', u'BaseHandler', u'CacheFTPHandler',
+                  u'FTPHandler', u'FileHandler', u'HTTPBasicAuthHandler',
+                  u'HTTPCookieProcessor', u'HTTPDefaultErrorHandler',
+                  u'HTTPDigestAuthHandler', u'HTTPError', u'HTTPErrorProcessor',
+                  u'HTTPHandler', u'HTTPPasswordMgr',
+                  u'HTTPPasswordMgrWithDefaultRealm', u'HTTPRedirectHandler',
+                  u'HTTPSHandler', u'OpenerDirector', u'ProxyBasicAuthHandler',
+                  u'ProxyDigestAuthHandler', u'ProxyHandler', u'Request',
+                  u'StringIO', u'URLError', u'UnknownHandler', u'addinfourl',
+                  u'build_opener', u'install_opener', u'parse_http_list',
+                  u'parse_keqv_list', u'randombytes', u'request_host', u'urlopen'),
+              u'urllib' : (
+                  u'ContentTooShortError', u'FancyURLopener',u'URLopener',
+                  u'basejoin', u'ftperrors', u'getproxies',
+                  u'getproxies_environment', u'localhost', u'pathname2url',
+                  u'quote', u'quote_plus', u'splitattr', u'splithost',
+                  u'splitnport', u'splitpasswd', u'splitport', u'splitquery',
+                  u'splittag', u'splittype', u'splituser', u'splitvalue',
+                  u'thishost', u'unquote', u'unquote_plus', u'unwrap',
+                  u'url2pathname', u'urlcleanup', u'urlencode', u'urlopen',
+                  u'urlretrieve',),
+              u'urlparse' : (
+                  u'parse_qs', u'parse_qsl', u'urldefrag', u'urljoin',
+                  u'urlparse', u'urlsplit', u'urlunparse', u'urlunsplit'),
+              u'dbm' : (
+                  u'ndbm', u'gnu', u'dumb'),
+              u'anydbm' : (
+                  u'error', u'open'),
+              u'whichdb' : (
+                  u'whichdb',),
+              u'BaseHTTPServer' : (
+                  u'BaseHTTPRequestHandler', u'HTTPServer'),
+              u'CGIHTTPServer' : (
+                  u'CGIHTTPRequestHandler',),
+              u'SimpleHTTPServer' : (
+                  u'SimpleHTTPRequestHandler',),
+              u'FileDialog' : TK_BASE_NAMES + (
+                  u'FileDialog', u'LoadFileDialog', u'SaveFileDialog',
+                  u'dialogstates', u'test'),
+              u'tkFileDialog' : (
+                  u'Directory', u'Open', u'SaveAs', u'_Dialog', u'askdirectory',
+                  u'askopenfile', u'askopenfilename', u'askopenfilenames',
+                  u'askopenfiles', u'asksaveasfile', u'asksaveasfilename'),
+              u'SimpleDialog' : TK_BASE_NAMES + (
+                  u'SimpleDialog',),
+              u'tkSimpleDialog' : TK_BASE_NAMES + (
+                  u'askfloat', u'askinteger', u'askstring', u'Dialog'),
+              u'SimpleXMLRPCServer' : (
+                  u'CGIXMLRPCRequestHandler', u'SimpleXMLRPCDispatcher',
+                  u'SimpleXMLRPCRequestHandler', u'SimpleXMLRPCServer',
+                  u'list_public_methods', u'remove_duplicates',
+                  u'resolve_dotted_attribute'),
+              u'DocXMLRPCServer' : (
+                  u'DocCGIXMLRPCRequestHandler', u'DocXMLRPCRequestHandler',
+                  u'DocXMLRPCServer', u'ServerHTMLDoc',u'XMLRPCDocGenerator'),
+                }
+
+MAPPING = { u'urllib.request' :
+                (u'urllib2', u'urllib'),
+            u'urllib.error' :
+                (u'urllib2', u'urllib'),
+            u'urllib.parse' :
+                (u'urllib2', u'urllib', u'urlparse'),
+            u'dbm.__init__' :
+                (u'anydbm', u'whichdb'),
+            u'http.server' :
+                (u'CGIHTTPServer', u'SimpleHTTPServer', u'BaseHTTPServer'),
+            u'tkinter.filedialog' :
+                (u'tkFileDialog', u'FileDialog'),
+            u'tkinter.simpledialog' :
+                (u'tkSimpleDialog', u'SimpleDialog'),
+            u'xmlrpc.server' :
+                (u'DocXMLRPCServer', u'SimpleXMLRPCServer'),
+            }
+
+# helps match 'http', as in 'from http.server import ...'
+simple_name = u"name='%s'"
+# helps match 'server', as in 'from http.server import ...'
+simple_attr = u"attr='%s'"
+# helps match 'HTTPServer', as in 'from http.server import HTTPServer'
+simple_using = u"using='%s'"
+# helps match 'urllib.request', as in 'import urllib.request'
+dotted_name = u"dotted_name=dotted_name< %s '.' %s >"
+# helps match 'http.server', as in 'http.server.HTTPServer(...)'
+power_twoname = u"pow=power< %s trailer< '.' %s > trailer< '.' using=any > any* >"
+# helps match 'dbm.whichdb', as in 'dbm.whichdb(...)'
+power_onename = u"pow=power< %s trailer< '.' using=any > any* >"
+# helps match 'from http.server import HTTPServer'
+# also helps match 'from http.server import HTTPServer, SimpleHTTPRequestHandler'
+# also helps match 'from http.server import *'
+from_import = u"from_import=import_from< 'from' %s 'import' (import_as_name< using=any 'as' renamed=any> | in_list=import_as_names< using=any* > | using='*' | using=NAME) >"
+# helps match 'import urllib.request'
+name_import = u"name_import=import_name< 'import' (%s | in_list=dotted_as_names< imp_list=any* >) >"
+
+#############
+# WON'T FIX #
+#############
+
+# helps match 'import urllib.request as name'
+name_import_rename = u"name_import_rename=dotted_as_name< %s 'as' renamed=any >"
+# helps match 'from http import server'
+from_import_rename = u"from_import_rename=import_from< 'from' %s 'import' (%s | import_as_name< %s 'as' renamed=any > | in_list=import_as_names< any* (%s | import_as_name< %s 'as' renamed=any >) any* >) >"
+
+
+def all_modules_subpattern():
+    u"""
+    Builds a pattern for all toplevel names
+    (urllib, http, etc)
+    """
+    names_dot_attrs = [mod.split(u".") for mod in MAPPING]
+    ret = u"( " + u" | ".join([dotted_name % (simple_name % (mod[0]),
+                                            simple_attr % (mod[1])) for mod in names_dot_attrs])
+    ret += u" | "
+    ret += u" | ".join([simple_name % (mod[0]) for mod in names_dot_attrs if mod[1] == u"__init__"]) + u" )"
+    return ret
+
+
+def build_import_pattern(mapping1, mapping2):
+    u"""
+    mapping1: A dict mapping py3k modules to all possible py2k replacements
+    mapping2: A dict mapping py2k modules to the things they do
+    This builds a HUGE pattern to match all ways that things can be imported
+    """
+    # py3k: urllib.request, py2k: ('urllib2', 'urllib')
+    yield from_import % (all_modules_subpattern())
+    for py3k, py2k in mapping1.items():
+        name, attr = py3k.split(u'.')
+        s_name = simple_name % (name)
+        s_attr = simple_attr % (attr)
+        d_name = dotted_name % (s_name, s_attr)
+        yield name_import % (d_name)
+        yield power_twoname % (s_name, s_attr)
+        if attr == u'__init__':
+            yield name_import % (s_name)
+            yield power_onename % (s_name)
+        yield name_import_rename % (d_name)
+        yield from_import_rename % (s_name, s_attr, s_attr, s_attr, s_attr)
+
+
+class FixImports2(fixer_base.BaseFix):
+
+    run_order = 4
+
+    PATTERN = u" | \n".join(build_import_pattern(MAPPING, PY2MODULES))
+
+    def transform(self, node, results):
+        touch_import_top(u'future', u'standard_library', node)
+