add ydb deps

1 files changed, 258 insertions, 0 deletions

diff --git a/contrib/python/ipython/py3/IPython/core/alias.py b/contrib/python/ipython/py3/IPython/core/alias.py
new file mode 100644
index 0000000000..2ad990231a
--- /dev/null
+++ b/contrib/python/ipython/py3/IPython/core/alias.py
@@ -0,0 +1,258 @@
+# encoding: utf-8
+"""
+System command aliases.
+
+Authors:
+
+* Fernando Perez
+* Brian Granger
+"""
+
+#-----------------------------------------------------------------------------
+#  Copyright (C) 2008-2011  The IPython Development Team
+#
+#  Distributed under the terms of the BSD License.
+#
+#  The full license is in the file COPYING.txt, distributed with this software.
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+import os
+import re
+import sys
+
+from traitlets.config.configurable import Configurable
+from .error import UsageError
+
+from traitlets import List, Instance
+from logging import error
+
+#-----------------------------------------------------------------------------
+# Utilities
+#-----------------------------------------------------------------------------
+
+# This is used as the pattern for calls to split_user_input.
+shell_line_split = re.compile(r'^(\s*)()(\S+)(.*$)')
+
+def default_aliases():
+    """Return list of shell aliases to auto-define.
+    """
+    # Note: the aliases defined here should be safe to use on a kernel
+    # regardless of what frontend it is attached to.  Frontends that use a
+    # kernel in-process can define additional aliases that will only work in
+    # their case.  For example, things like 'less' or 'clear' that manipulate
+    # the terminal should NOT be declared here, as they will only work if the
+    # kernel is running inside a true terminal, and not over the network.
+
+    if os.name == 'posix':
+        default_aliases = [('mkdir', 'mkdir'), ('rmdir', 'rmdir'),
+                           ('mv', 'mv'), ('rm', 'rm'), ('cp', 'cp'),
+                           ('cat', 'cat'),
+                           ]
+        # Useful set of ls aliases.  The GNU and BSD options are a little
+        # different, so we make aliases that provide as similar as possible
+        # behavior in ipython, by passing the right flags for each platform
+        if sys.platform.startswith('linux'):
+            ls_aliases = [('ls', 'ls -F --color'),
+                          # long ls
+                          ('ll', 'ls -F -o --color'),
+                          # ls normal files only
+                          ('lf', 'ls -F -o --color %l | grep ^-'),
+                          # ls symbolic links
+                          ('lk', 'ls -F -o --color %l | grep ^l'),
+                          # directories or links to directories,
+                          ('ldir', 'ls -F -o --color %l | grep /$'),
+                          # things which are executable
+                          ('lx', 'ls -F -o --color %l | grep ^-..x'),
+                          ]
+        elif sys.platform.startswith('openbsd') or sys.platform.startswith('netbsd'):
+            # OpenBSD, NetBSD. The ls implementation on these platforms do not support
+            # the -G switch and lack the ability to use colorized output.
+            ls_aliases = [('ls', 'ls -F'),
+                          # long ls
+                          ('ll', 'ls -F -l'),
+                          # ls normal files only
+                          ('lf', 'ls -F -l %l | grep ^-'),
+                          # ls symbolic links
+                          ('lk', 'ls -F -l %l | grep ^l'),
+                          # directories or links to directories,
+                          ('ldir', 'ls -F -l %l | grep /$'),
+                          # things which are executable
+                          ('lx', 'ls -F -l %l | grep ^-..x'),
+                          ]
+        else:
+            # BSD, OSX, etc.
+            ls_aliases = [('ls', 'ls -F -G'),
+                          # long ls
+                          ('ll', 'ls -F -l -G'),
+                          # ls normal files only
+                          ('lf', 'ls -F -l -G %l | grep ^-'),
+                          # ls symbolic links
+                          ('lk', 'ls -F -l -G %l | grep ^l'),
+                          # directories or links to directories,
+                          ('ldir', 'ls -F -G -l %l | grep /$'),
+                          # things which are executable
+                          ('lx', 'ls -F -l -G %l | grep ^-..x'),
+                          ]
+        default_aliases = default_aliases + ls_aliases
+    elif os.name in ['nt', 'dos']:
+        default_aliases = [('ls', 'dir /on'),
+                           ('ddir', 'dir /ad /on'), ('ldir', 'dir /ad /on'),
+                           ('mkdir', 'mkdir'), ('rmdir', 'rmdir'),
+                           ('echo', 'echo'), ('ren', 'ren'), ('copy', 'copy'),
+                           ]
+    else:
+        default_aliases = []
+
+    return default_aliases
+
+
+class AliasError(Exception):
+    pass
+
+
+class InvalidAliasError(AliasError):
+    pass
+
+class Alias(object):
+    """Callable object storing the details of one alias.
+
+    Instances are registered as magic functions to allow use of aliases.
+    """
+
+    # Prepare blacklist
+    blacklist = {'cd','popd','pushd','dhist','alias','unalias'}
+
+    def __init__(self, shell, name, cmd):
+        self.shell = shell
+        self.name = name
+        self.cmd = cmd
+        self.__doc__ = "Alias for `!{}`".format(cmd)
+        self.nargs = self.validate()
+
+    def validate(self):
+        """Validate the alias, and return the number of arguments."""
+        if self.name in self.blacklist:
+            raise InvalidAliasError("The name %s can't be aliased "
+                                    "because it is a keyword or builtin." % self.name)
+        try:
+            caller = self.shell.magics_manager.magics['line'][self.name]
+        except KeyError:
+            pass
+        else:
+            if not isinstance(caller, Alias):
+                raise InvalidAliasError("The name %s can't be aliased "
+                                        "because it is another magic command." % self.name)
+
+        if not (isinstance(self.cmd, str)):
+            raise InvalidAliasError("An alias command must be a string, "
+                                    "got: %r" % self.cmd)
+
+        nargs = self.cmd.count('%s') - self.cmd.count('%%s')
+  
+        if (nargs > 0) and (self.cmd.find('%l') >= 0):
+            raise InvalidAliasError('The %s and %l specifiers are mutually '
+                                    'exclusive in alias definitions.')
+
+        return nargs
+
+    def __repr__(self):
+        return "<alias {} for {!r}>".format(self.name, self.cmd)
+
+    def __call__(self, rest=''):
+        cmd = self.cmd
+        nargs = self.nargs
+        # Expand the %l special to be the user's input line
+        if cmd.find('%l') >= 0:
+            cmd = cmd.replace('%l', rest)
+            rest = ''
+        
+        if nargs==0:
+            if cmd.find('%%s') >= 1:
+                cmd = cmd.replace('%%s', '%s')
+            # Simple, argument-less aliases
+            cmd = '%s %s' % (cmd, rest)
+        else:
+            # Handle aliases with positional arguments
+            args = rest.split(None, nargs)
+            if len(args) < nargs:
+                raise UsageError('Alias <%s> requires %s arguments, %s given.' %
+                      (self.name, nargs, len(args)))
+            cmd = '%s %s' % (cmd % tuple(args[:nargs]),' '.join(args[nargs:]))
+
+        self.shell.system(cmd)
+
+#-----------------------------------------------------------------------------
+# Main AliasManager class
+#-----------------------------------------------------------------------------
+
+class AliasManager(Configurable):
+
+    default_aliases = List(default_aliases()).tag(config=True)
+    user_aliases = List(default_value=[]).tag(config=True)
+    shell = Instance('IPython.core.interactiveshell.InteractiveShellABC', allow_none=True)
+
+    def __init__(self, shell=None, **kwargs):
+        super(AliasManager, self).__init__(shell=shell, **kwargs)
+        # For convenient access
+        self.linemagics = self.shell.magics_manager.magics['line']
+        self.init_aliases()
+
+    def init_aliases(self):
+        # Load default & user aliases
+        for name, cmd in self.default_aliases + self.user_aliases:
+            if cmd.startswith('ls ') and self.shell.colors == 'NoColor':
+                cmd = cmd.replace(' --color', '')
+            self.soft_define_alias(name, cmd)
+
+    @property
+    def aliases(self):
+        return [(n, func.cmd) for (n, func) in self.linemagics.items()
+                            if isinstance(func, Alias)]
+
+    def soft_define_alias(self, name, cmd):
+        """Define an alias, but don't raise on an AliasError."""
+        try:
+            self.define_alias(name, cmd)
+        except AliasError as e:
+            error("Invalid alias: %s" % e)
+
+    def define_alias(self, name, cmd):
+        """Define a new alias after validating it.
+
+        This will raise an :exc:`AliasError` if there are validation
+        problems.
+        """
+        caller = Alias(shell=self.shell, name=name, cmd=cmd)
+        self.shell.magics_manager.register_function(caller, magic_kind='line',
+                                                    magic_name=name)
+
+    def get_alias(self, name):
+        """Return an alias, or None if no alias by that name exists."""
+        aname = self.linemagics.get(name, None)
+        return aname if isinstance(aname, Alias) else None
+
+    def is_alias(self, name):
+        """Return whether or not a given name has been defined as an alias"""
+        return self.get_alias(name) is not None
+
+    def undefine_alias(self, name):
+        if self.is_alias(name):
+            del self.linemagics[name]
+        else:
+            raise ValueError('%s is not an alias' % name)
+
+    def clear_aliases(self):
+        for name, cmd in self.aliases:
+            self.undefine_alias(name)
+
+    def retrieve_alias(self, name):
+        """Retrieve the command to which an alias expands."""
+        caller = self.get_alias(name)
+        if caller:
+            return caller.cmd
+        else:
+            raise ValueError('%s is not an alias' % name)