Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/third_party/apitools/apitools/gen/util.py

Index: tools/telemetry/third_party/gsutil/third_party/apitools/apitools/gen/util.py
diff --git a/tools/telemetry/third_party/gsutil/third_party/apitools/apitools/gen/util.py b/tools/telemetry/third_party/gsutil/third_party/apitools/apitools/gen/util.py
deleted file mode 100644
index 8236de8ab405dc9e6177eb7417d4f35603ab072d..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/gsutil/third_party/apitools/apitools/gen/util.py
+++ /dev/null
@@ -1,312 +0,0 @@
-#!/usr/bin/env python
-"""Assorted utilities shared between parts of apitools."""
-from __future__ import print_function
-
-import collections
-import contextlib
-import json
-import keyword
-import logging
-import os
-import re
-
-import six
-import six.moves.urllib.error as urllib_error
-import six.moves.urllib.request as urllib_request
-
-
-class Error(Exception):
-
-    """Base error for apitools generation."""
-
-
-class CommunicationError(Error):
-
-    """Error in network communication."""
-
-
-def _SortLengthFirstKey(a):
-    return -len(a), a
-
-
-class Names(object):
-
-    """Utility class for cleaning and normalizing names in a fixed style."""
-    DEFAULT_NAME_CONVENTION = 'LOWER_CAMEL'
-    NAME_CONVENTIONS = ['LOWER_CAMEL', 'LOWER_WITH_UNDER', 'NONE']
-
-    def __init__(self, strip_prefixes,
-                 name_convention=None,
-                 capitalize_enums=False):
-        self.__strip_prefixes = sorted(strip_prefixes, key=_SortLengthFirstKey)
-        self.__name_convention = (
-            name_convention or self.DEFAULT_NAME_CONVENTION)
-        self.__capitalize_enums = capitalize_enums
-
-    @staticmethod
-    def __FromCamel(name, separator='_'):
-        name = re.sub(r'([a-z0-9])([A-Z])', r'\1%s\2' % separator, name)
-        return name.lower()
-
-    @staticmethod
-    def __ToCamel(name, separator='_'):
-        # TODO(craigcitro): Consider what to do about leading or trailing
-        # underscores (such as `_refValue` in discovery).
-        return ''.join(s[0:1].upper() + s[1:] for s in name.split(separator))
-
-    @staticmethod
-    def __ToLowerCamel(name, separator='_'):
-        name = Names.__ToCamel(name, separator=separator)
-        return name[0].lower() + name[1:]
-
-    def __StripName(self, name):
-        """Strip strip_prefix entries from name."""
-        if not name:
-            return name
-        for prefix in self.__strip_prefixes:
-            if name.startswith(prefix):
-                return name[len(prefix):]
-        return name
-
-    @staticmethod
-    def CleanName(name):
-        """Perform generic name cleaning."""
-        name = re.sub('[^_A-Za-z0-9]', '_', name)
-        if name[0].isdigit():
-            name = '_%s' % name
-        while keyword.iskeyword(name):
-            name = '%s_' % name
-        # If we end up with __ as a prefix, we'll run afoul of python
-        # field renaming, so we manually correct for it.
-        if name.startswith('__'):
-            name = 'f%s' % name
-        return name
-
-    @staticmethod
-    def NormalizeRelativePath(path):
-        """Normalize camelCase entries in path."""
-        path_components = path.split('/')
-        normalized_components = []
-        for component in path_components:
-            if re.match(r'{[A-Za-z0-9_]+}$', component):
-                normalized_components.append(
-                    '{%s}' % Names.CleanName(component[1:-1]))
-            else:
-                normalized_components.append(component)
-        return '/'.join(normalized_components)
-
-    def NormalizeEnumName(self, enum_name):
-        if self.__capitalize_enums:
-            enum_name = enum_name.upper()
-        return self.CleanName(enum_name)
-
-    def ClassName(self, name, separator='_'):
-        """Generate a valid class name from name."""
-        # TODO(craigcitro): Get rid of this case here and in MethodName.
-        if name is None:
-            return name
-        # TODO(craigcitro): This is a hack to handle the case of specific
-        # protorpc class names; clean this up.
-        if name.startswith('protorpc.') or name.startswith('message_types.'):
-            return name
-        name = self.__StripName(name)
-        name = self.__ToCamel(name, separator=separator)
-        return self.CleanName(name)
-
-    def MethodName(self, name, separator='_'):
-        """Generate a valid method name from name."""
-        if name is None:
-            return None
-        name = Names.__ToCamel(name, separator=separator)
-        return Names.CleanName(name)
-
-    def FieldName(self, name):
-        """Generate a valid field name from name."""
-        # TODO(craigcitro): We shouldn't need to strip this name, but some
-        # of the service names here are excessive. Fix the API and then
-        # remove this.
-        name = self.__StripName(name)
-        if self.__name_convention == 'LOWER_CAMEL':
-            name = Names.__ToLowerCamel(name)
-        elif self.__name_convention == 'LOWER_WITH_UNDER':
-            name = Names.__FromCamel(name)
-        return Names.CleanName(name)
-
-
-@contextlib.contextmanager
-def Chdir(dirname, create=True):
-    if not os.path.exists(dirname):
-        if not create:
-            raise OSError('Cannot find directory %s' % dirname)
-        else:
-            os.mkdir(dirname)
-    previous_directory = os.getcwd()
-    os.chdir(dirname)
-    yield
-    os.chdir(previous_directory)
-
-
-def NormalizeVersion(version):
-    # Currently, '.' is the only character that might cause us trouble.
-    return version.replace('.', '_')
-
-
-class ClientInfo(collections.namedtuple('ClientInfo', (
-        'package', 'scopes', 'version', 'client_id', 'client_secret',
-        'user_agent', 'client_class_name', 'url_version', 'api_key'))):
-
-    """Container for client-related info and names."""
-
-    @classmethod
-    def Create(cls, discovery_doc,
-               scope_ls, client_id, client_secret, user_agent, names, api_key):
-        """Create a new ClientInfo object from a discovery document."""
-        scopes = set(
-            discovery_doc.get('auth', {}).get('oauth2', {}).get('scopes', {}))
-        scopes.update(scope_ls)
-        client_info = {
-            'package': discovery_doc['name'],
-            'version': NormalizeVersion(discovery_doc['version']),
-            'url_version': discovery_doc['version'],
-            'scopes': sorted(list(scopes)),
-            'client_id': client_id,
-            'client_secret': client_secret,
-            'user_agent': user_agent,
-            'api_key': api_key,
-        }
-        client_class_name = '%s%s' % (
-            names.ClassName(client_info['package']),
-            names.ClassName(client_info['version']))
-        client_info['client_class_name'] = client_class_name
-        return cls(**client_info)
-
-    @property
-    def default_directory(self):
-        return self.package
-
-    @property
-    def cli_rule_name(self):
-        return '%s_%s' % (self.package, self.version)
-
-    @property
-    def cli_file_name(self):
-        return '%s.py' % self.cli_rule_name
-
-    @property
-    def client_rule_name(self):
-        return '%s_%s_client' % (self.package, self.version)
-
-    @property
-    def client_file_name(self):
-        return '%s.py' % self.client_rule_name
-
-    @property
-    def messages_rule_name(self):
-        return '%s_%s_messages' % (self.package, self.version)
-
-    @property
-    def services_rule_name(self):
-        return '%s_%s_services' % (self.package, self.version)
-
-    @property
-    def messages_file_name(self):
-        return '%s.py' % self.messages_rule_name
-
-    @property
-    def messages_proto_file_name(self):
-        return '%s.proto' % self.messages_rule_name
-
-    @property
-    def services_proto_file_name(self):
-        return '%s.proto' % self.services_rule_name
-
-
-def GetPackage(path):
-    path_components = path.split(os.path.sep)
-    return '.'.join(path_components)
-
-
-def CleanDescription(description):
-    """Return a version of description safe for printing in a docstring."""
-    if not isinstance(description, six.string_types):
-        return description
-    return description.replace('"""', '" " "')
-
-
-class SimplePrettyPrinter(object):
-
-    """Simple pretty-printer that supports an indent contextmanager."""
-
-    def __init__(self, out):
-        self.__out = out
-        self.__indent = ''
-        self.__skip = False
-        self.__comment_context = False
-
-    @property
-    def indent(self):
-        return self.__indent
-
-    def CalculateWidth(self, max_width=78):
-        return max_width - len(self.indent)
-
-    @contextlib.contextmanager
-    def Indent(self, indent='  '):
-        previous_indent = self.__indent
-        self.__indent = '%s%s' % (previous_indent, indent)
-        yield
-        self.__indent = previous_indent
-
-    @contextlib.contextmanager
-    def CommentContext(self):
-        """Print without any argument formatting."""
-        old_context = self.__comment_context
-        self.__comment_context = True
-        yield
-        self.__comment_context = old_context
-
-    def __call__(self, *args):
-        if self.__comment_context and args[1:]:
-            raise Error('Cannot do string interpolation in comment context')
-        if args and args[0]:
-            if not self.__comment_context:
-                line = (args[0] % args[1:]).rstrip()
-            else:
-                line = args[0].rstrip()
-            line = line.encode('ascii', 'backslashreplace')
-            print('%s%s' % (self.__indent, line), file=self.__out)
-        else:
-            print('', file=self.__out)
-
-
-def NormalizeDiscoveryUrl(discovery_url):
-    """Expands a few abbreviations into full discovery urls."""
-    if discovery_url.startswith('http'):
-        return discovery_url
-    elif '.' not in discovery_url:
-        raise ValueError('Unrecognized value "%s" for discovery url')
-    api_name, _, api_version = discovery_url.partition('.')
-    return 'https://www.googleapis.com/discovery/v1/apis/%s/%s/rest' % (
-        api_name, api_version)
-
-
-def FetchDiscoveryDoc(discovery_url, retries=5):
-    """Fetch the discovery document at the given url."""
-    discovery_url = NormalizeDiscoveryUrl(discovery_url)
-    discovery_doc = None
-    last_exception = None
-    for _ in range(retries):
-        try:
-            discovery_doc = json.loads(
-                urllib_request.urlopen(discovery_url).read())
-            break
-        except (urllib_error.HTTPError,
-                urllib_error.URLError) as last_exception:
-            logging.warning(
-                'Attempting to fetch discovery doc again after "%s"',
-                last_exception)
-    if discovery_doc is None:
-        raise CommunicationError(
-            'Could not find discovery doc at url "%s": %s' % (
-                discovery_url, last_exception))
-    return discovery_doc