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How to use init_submodules method in lisa

Best Python code snippet using lisa_python

bonus.py

Source:bonus.py

...8    Inherits from DecoderWithoutAttention to avoid repeated code.910    Reference: http://www.cs.toronto.edu/~rgrosse/courses/csc421_2019/slides/lec16.pdf11    '''12    def init_submodules(self):13        # Hints:14        # 1. Same as the case without attention, you must initialize the15        #   following submodules: self.embedding, self.cell, self.ff16        # 2. You will need these object attributes:17        #   self.target_vocab_size, self.word_embedding_size, self.pad_id18        #   self.hidden_state_size, self.cell_type.19        # 3. cell_type will be one of: ['lstm', 'gru', 'rnn']20        # 4. Relevant pytorch modules:21        #   torch.nn.{Embedding, Linear, LSTMCell, RNNCell, GRUCell}22        # 5. The implementation of this function should be different from23        #   DecoderWithoutAttention.init_submodules.2425        cells = {"lstm": nn.LSTMCell, "gru": nn.GRUCell, "rnn": nn.RNNCell}2627        # Modify input size to accomodate for context vector28        self.cell = cells[self.cell_type](29            input_size=self.word_embedding_size + self.hidden_state_size,30            hidden_size=self.hidden_state_size)3132        self.embedding = nn.Embedding(num_embeddings=self.target_vocab_size,33                                      embedding_dim=self.word_embedding_size,34                                      padding_idx=self.pad_id)35        self.ff = nn.Linear(in_features=self.hidden_state_size,36                            out_features=self.target_vocab_size)3738    def get_energy_scores(self, htilde_t, h):3940        # The scale is set to be the 1/dim of the hidden state size41        # Recall:42        #   htilde_t is of shape (M, 2 * H)43        #   h is of shape (S, M, 2 * H)44        #   e_t (output) is of shape (S, M)4546        # Transform htilde_t to 1 * M * 2H47        if self.cell_type == "lstm":48            htilde_t_temp = htilde_t[0].unsqueeze(1)49        else:50            htilde_t_temp = htilde_t.unsqueeze(1)5152        scale = 1/(h.shape[2]**0.5)53        h_temp = h.permute(1, 2, 0)5455        e_t = torch.matmul(htilde_t_temp, h_temp) * scale56        return e_t.squeeze(1).transpose(0, 1)575859class DecoderMultiDotProductHeadAttention(DecoderSingleDotProductAttention):60    '''A decoder, this time with multi scaled dot product attention61    Inherits from DecoderSingleDotProductionAttention to avoid repeated code.62    '''63    def __init__(self, *args, **kwargs):64        super().__init__(*args, **kwargs)65        assert self.W is not None, 'initialize W!'66        assert self.Wtilde is not None, 'initialize Wtilde!'67        assert self.Q is not None, 'initialize Q!'6869    def init_submodules(self):70        super().init_submodules()  # Do not modify this line7172        # Hints:73        # 1. The above line should ensure self.ff, self.embedding, self.cell are74        #    initialized75        # 2. You need to initialize these submodules:76        #       self.W, self.Wtilde, self.Q77        # 3. You will need these object attributes:78        #       self.hidden_state_size79        # 4. self.W, self.Wtilde, and self.Q should process all heads at once. They80        #    should not be lists!81        # 5. You do *NOT* need self.heads at this point82        # 6. Relevant pytorch module: torch.nn.Linear (note: set bias=False!)8384        # Size for all submodules are H * H (Does not depend on the number of heads)85        self.W = nn.Linear(self.hidden_state_size, self.hidden_state_size, bias=False)86        self.Wtilde = nn.Linear(self.hidden_state_size, self.hidden_state_size, bias=False)87        self.Q = nn.Linear(self.hidden_state_size, self.hidden_state_size, bias=False)8889    def attend(self, htilde_t, h, F_lens):90        # Hints:91        # 1. You can use super().attend to call for the regular attention92        #   function.93        # 2. Relevant pytorch functions:94        #   tensor().repeat_interleave, tensor().view95        # 3. Fun fact:96        #   tensor([1,2,3,4]).repeat(2) will output tensor([1,2,3,4,1,2,3,4]).97        #   tensor([1,2,3,4]).repeat_interleave(2) will output98        #   tensor([1,1,2,2,3,3,4,4]), just like numpy.repeat.99        # 4. You *WILL* need self.heads at this point100101        # Case LSTM: Use only 2nd tuple102        # Let K represent the number of heads103        # Transformation: htilde_t_n = MK * H/K, after applying linear layer104        # To ensure that the energy_score function is computed correctly, we can only expand along the batch dimension105        if self.cell_type == "lstm":106            htilde_t_n = (self.Wtilde(htilde_t[0]).view(h.shape[1] * self.heads, h.shape[2]//self.heads),107                          htilde_t[1].view(h.shape[1] * self.heads, h.shape[2]//self.heads))108        else:109            htilde_t_n = self.Wtilde(htilde_t).view(h.shape[1] * self.heads, h.shape[2]//self.heads)110111        # Transformation: h_n = S * MK * H/K, after applying linear layer112        h_n = self.W(h).view(h.shape[0], h.shape[1] * self.heads, h.shape[2]//self.heads)113114        # Transformation: F_lens_n = MK115        # This ensures that padding is applied correctly as F_lens_n keeps track of the last element in sequence116        F_lens_n = F_lens.repeat_interleave(self.heads)117118        # Call attend (for single-head) and transform from MK * H/K to M * H context vector119        c_t_n = super().attend(htilde_t_n, h_n, F_lens_n).view(h.shape[1], h.shape[2])120121        # Apply a final linear layer122        return self.Q(c_t_n)123124125class DecoderMultiplicativeAttention(DecoderWithAttention):126    '''A decoder using multiplicative attention127    Reference: https://ruder.io/deep-learning-nlp-best-practices/128    '''129    def __init__(self, *args, **kwargs):130        super().__init__(*args, **kwargs)131        assert self.Wm is not None, 'initialize Wm!'132133    def init_submodules(self):134        super().init_submodules()  # Do not modify this line135136        # Hints:137        # 1. Same as the case without attention, you must initialize the138        #   following submodules: self.embedding, self.cell, self.ff139        # 2. You will need these object attributes:140        #   self.target_vocab_size, self.word_embedding_size, self.pad_id141        #   self.hidden_state_size, self.cell_type.142        # 3. cell_type will be one of: ['lstm', 'gru', 'rnn']143        # 4. Relevant pytorch modules:144        #   torch.nn.{Embedding, Linear, LSTMCell, RNNCell, GRUCell}145        # 5. The implementation of this function should be different from146        #   DecoderWithoutAttention.init_submodules.147148        self.Wm = nn.Linear(self.hidden_state_size, self.hidden_state_size, bias=False)
...

git.py

Source:git.py

1import os2import shutil3import subprocess4import tempfile5from . import Plugin6class Git(Plugin):7    def __init__(self, **kwargs):8        super(Git, self).__init__()9        self._git = kwargs.get('git-binary')10        self._sh = kwargs.get('sh-binary')11    def check(self):12        if self._git is None:13            self._git = shutil.which('git')14        if self._git is None:15            raise AssertionError('plugin \'Git\' requires \'git\' to be installed')16        if self._sh is None:17            for sh in ['sh', 'bash', 'zsh']:18                self._sh = shutil.which(sh)19                if not self._sh is None:20                    break21        if self._sh is None:22            raise AssertionError('plugin \'Git\' requires \'sh\' to be installed')23    def define(self):24        @self.rule25        def git_repository(name, remote, commit=None, branch=None,26                           init_submodules=False, sha256=None, tag=None, 27                           output=None):28            def info(is_on_running, is_finish_successful=False, **kwargs):29                if is_on_running == True:30                    if is_finish_successful is True:31                        print('Finish cloning: %s' % remote)32                    else:33                        print('Clone: %s' % remote)34                else:35                    print('Remove: %s' % remote.split('.git')[0].split('/')[-1])36            def callback(root, **kwargs):37                fd, shscript = tempfile.mkstemp(suffix='.sh')38                repo_name = remote.split('.git')[0].split('/')[-1]39                cmd = [self._sh, shscript]40                git = [self._git, 'clone']41                # @NOTE: sometime we need to clone a repo to exact directory42                # so we must instruct 'builder' to do it43                if not output is None:44                    for dir_name in output.split('/'):45                        root = '%s/%s' % (root, dir_name)46                        if os.path.exists(root) is False:47                            os.mkdir(root, 0o777)48                # @NOTE: clone repo if it's needed49                if init_submodules is True:50                    git.append('-recurse-submodules')51                    git.appned('-j%d' % os.cpu_count())52                if not branch is None:53                    git.appned('--single-branch')54                    git.append('-b')55                    git.append(branch)56                git.append(remote)57                script = 'cd %s;%s' % (root, ' '.join(git))58                os.write(fd, script.encode())59                os.close(fd)60                clone = subprocess.Popen(cmd, stdout=subprocess.PIPE, \61                                         stderr=subprocess.PIPE)62                error = clone.stderr.read()63                os.remove(shscript)64                expected_msg = "Cloning into '%s'...\n" % repo_name65                if len(error) > 0 and error.decode('utf-8') != expected_msg:66                    raise AssertionError('there is an error while perform '67                                         'cloning repo %s' % (remote, error.decode('utf-8')))68                # @NOTE: jump to exact commit of this repo if it's requested69                if (not commit is None) or (not sha256 is None) or (not tag is None):70                    fd, shscript = tempfile.mkstemp(suffix='.sh')71                    cmd = [self._sh, shscript]72                    if not commit is None:73                        script = 'cd %s;cd %s;%s reset --hard %s' % (root, repo_name, commit)74                    elif not sha256 is None:75                        script = 'cd %s;cd %s;%s reset --hard %s' % (root, repo_name, sha256)76                    elif not tag is None:77                        script = 'cd %s;cd %s;%s checkout tags/%s' % (root, repo_name, tag)78                    os.write(fd, script.encode())79                    os.close(fd)80                    changing = subprocess.Popen(cmd, stdout=subprocess.PIPE, \81                                                stderr=subprocess.PIPE)82                    error = changing.stderr.read()83                    os.remove(shscript)84                    if len(error) > 0:85                        raise AssertionError('there is an error while perform '86                                             'changing repo %s to exact commit as you requested: %s'87                                             % (remote, error.decode('utf-8')))88                return True89            def teardown(root, **kwargs):90                fd, shscript = tempfile.mkstemp(suffix='.sh')91                repo_name = remote.split('.git')[0].split('/')[-1]92                cmd = [self._sh, shscript]93                if output is None:94                    script = 'rm -fr %s/%s' % (root, repo_name)95                else:96                    script = 'cd %s/%s;%s' % (root, output, ' '.join(git))97                98                os.write(fd, script.encode())99                os.close(fd)100                removing = subprocess.Popen(cmd, stdout=subprocess.PIPE, \101                                            stderr=subprocess.PIPE)102                error = removing.stderr.read()103                os.remove(shscript)104                if len(error) > 0:105                    raise AssertionError('there is an error while perform '106                                         'removing repo %s: %s' % (remote, error.decode('utf-8')))107                return True108            node = {109                'callback': callback,110                'info': info,111                'teardown': teardown,112                'remote': remote113            }114            self._manager.add_to_dependency_tree(name, node, None)115        @self.rule116        def new_git_repository(name, remote, commit=None,117                               init_submodules=False, sha256=None, tag=None):...

git.bzl

Source:git.bzl

1# Copyright 2015 The Bazel Authors. All rights reserved.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#    http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14"""Rules for cloning external git repositories."""15def _clone_or_update(ctx):16  if ((ctx.attr.tag == "" and ctx.attr.commit == "") or17      (ctx.attr.tag != "" and ctx.attr.commit != "")):18    ctx.fail("Exactly one of commit and tag must be provided")19  if ctx.attr.commit != "":20    ref = ctx.attr.commit21  else:22    ref = "tags/" + ctx.attr.tag23  st = ctx.execute(["bash", '-c', """24set -ex25( cd {working_dir} &&26    if ! ( cd '{dir}' && git rev-parse --git-dir ) >/dev/null 2>&1; then27      rm -rf '{dir}'28      git clone '{remote}' '{dir}'29    fi30    cd '{dir}'31    git reset --hard {ref} || (git fetch && git reset --hard {ref})32    git clean -xdf )33  """.format(34    working_dir=ctx.path(".").dirname,35    dir=ctx.path("."),36    remote=ctx.attr.remote,37    ref=ref,38  )])39  if st.return_code != 0:40    fail("error cloning %s:\n%s" % (ctx.name, st.stderr))41  if ctx.attr.init_submodules:42    st = ctx.execute(["bash", '-c', """43set -ex44(   cd '{dir}'45    git submodule update --init --checkout --force )46  """.format(47    dir=ctx.path("."),48    )])49    if st.return_code != 0:50      fail("error updating submodules %s:\n%s" % (ctx.name, st.stderr))51def _new_git_repository_implementation(ctx):52  if ((ctx.attr.build_file == None and ctx.attr.build_file_content == '') or53      (ctx.attr.build_file != None and ctx.attr.build_file_content != '')):54    ctx.fail("Exactly one of build_file and build_file_content must be provided.")55  _clone_or_update(ctx)56  ctx.file('WORKSPACE', "workspace(name = \"{name}\")\n".format(name=ctx.name))57  if ctx.attr.build_file:58    ctx.symlink(ctx.attr.build_file, 'BUILD')59  else:60    ctx.file('BUILD', ctx.attr.build_file_content)61def _git_repository_implementation(ctx):62  _clone_or_update(ctx)63_common_attrs = {64  "remote": attr.string(mandatory=True),65  "commit": attr.string(default=""),66  "tag": attr.string(default=""),67  "init_submodules": attr.bool(default=False),68}69new_git_repository = repository_rule(70  implementation=_new_git_repository_implementation,71  attrs=_common_attrs + {72    "build_file": attr.label(),73    "build_file_content": attr.string(),74  }75)76"""Clone an external git repository.77Clones a Git repository, checks out the specified tag, or commit, and78makes its targets available for binding.79Args:80  name: A unique name for this rule.81  build_file: The file to use as the BUILD file for this repository.82    Either build_file or build_file_content must be specified.83    This attribute is a label relative to the main workspace. The file84    does not need to be named BUILD, but can be (something like85    BUILD.new-repo-name may work well for distinguishing it from the86    repository's actual BUILD files.87  build_file_content: The content for the BUILD file for this repository.88    Either build_file or build_file_content must be specified.89  init_submodules: Whether to clone submodules in the repository.90  remote: The URI of the remote Git repository.91"""92git_repository = repository_rule(93  implementation=_git_repository_implementation,94  attrs=_common_attrs,95)96"""Clone an external git repository.97Clones a Git repository, checks out the specified tag, or commit, and98makes its targets available for binding.99Args:100  name: A unique name for this rule.101  init_submodules: Whether to clone submodules in the repository.102  remote: The URI of the remote Git repository....

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