コード例 #1
0
def add_tags_to_database(connection, tags=None, git_repo=None, repo_url=None, verbose=True):
    '''
    Add tags to the database

    Input:
        connection (sqlite3.connection): the connection to the database
        tags (list): a list of tags
        git_repo (git_explorer.core.Git): to use for extracting the content
        repo_url (str): if git_repo is not provided, a repository url is needed to initialize the git_repo
        verbose (bool): "Definition of verbose: containing more words than necessary: WORDY"
    '''
    if git_repo == None and repo_url ==None:
        raise ValueError('Provide a git_repo or a repo_url')

    if git_repo == None:
        git_repo = Git(repo_url, cache_path=GIT_CACHE)
        git_repo.clone(skip_existing=False)
    
    if repo_url==None:
        repo_url = git_repo.get_url()

    repo_url = re.sub('\.git$|/$', '', repo_url) 

    if tags == None:
        tags = git_repo.get_tags()
    elif type(tags) == str:
        tags = [tags]
    if len(tags) == 0:
        return

    cursor = connection.cursor()

    # to not add duplicates
    tags = list(dict.fromkeys(tags))  # to get only unique tags
    cursor.execute("SELECT tag FROM tags WHERE repo_url = :repo_url AND tag IN {}".format(tuple(tags)), {'repo_url':repo_url})
    tags_already_in_the_db = list(pd.read_sql("SELECT tag FROM tags WHERE tag IN {} and repo_url = '{}'".format(tuple(tags+[tags[0]]), repo_url), connection).tag)
    tags_to_add = [tag for tag in tags if tag not in tags_already_in_the_db]

    if len(tags_to_add) == 0:
        cursor.close()
        return

    print('    Adding new tags to the database')
    for tag in tqdm(tags_to_add):
        try:
            tag_timestamp = filter.get_timestamp_for_tag(tag, git_repo)

            # add to database
            cursor.execute("INSERT INTO tags VALUES (:tag, :repo_url, :tag_timestamp)",
                {'tag':tag, 'repo_url':repo_url, 'tag_timestamp':str(tag_timestamp)})
        except:
            print('    Failed to add tag {}'.format(tag))

    connection.commit()
    if verbose: print('    {} / {} tags were already in the database and added the rest.'.format(len(tags_already_in_the_db), len(tags)))
    cursor.close()
    return
コード例 #2
0
def add_commits_to_database(connection,
                            commit_ids,
                            git_repo=None,
                            repository_url=None,
                            driver=None,
                            with_message_references_content=False,
                            verbose=True):
    '''
    Add commits to the database

    Input:
        connection (sqlite3.connection): the connection to the database
        commit_ids (list): a list of commit_ids
        git_repo (git_explorer.core.Git): to use for extracting the content
        repository_url (str): if git_repo is not provided, a repository url is needed to initialize the git_repo
        driver: a webdriver can be provided to avoid javascript required pages
        with_message_references_content (bool): to add commits references (requires additional time)
        verbose (bool): "Definition of verbose: containing more words than necessary: WORDY"
    '''
    if git_repo == None and repository_url == None:
        raise ValueError('Provide a git_repo or a repository_url')

    if git_repo == None:
        git_repo = Git(repository_url, cache_path=GIT_CACHE)
        git_repo.clone(skip_existing=True)

    if repository_url == None:
        repository_url = git_repo.get_url()
    repository_url = re.sub('\.git$|/$', '', repository_url)

    if type(commit_ids) == str:
        commit_ids = [commit_ids]
    if len(commit_ids) == 0:
        print('No commit IDs were provided')
        return

    cursor = connection.cursor()

    # to not add duplicates
    commit_ids = list(dict.fromkeys(commit_ids))  # to get only unique ids
    commits_already_in_the_db = list(
        pd.read_sql(
            "SELECT id FROM commits WHERE id IN {} and repository_url = '{}'".
            format(tuple(commit_ids + [commit_ids[0]]),
                   repository_url), connection).id)
    commits_to_add = [
        commit_id for commit_id in commit_ids
        if commit_id not in commits_already_in_the_db
    ]

    if len(commits_to_add) == 0:
        cursor.close()
        return

    if verbose:
        print('    {} / {} are already in the database, now adding the rest.'.
              format(len(commits_already_in_the_db), len(commit_ids)))

    for commit_id in tqdm(commits_to_add):
        try:
            # initialize commit object
            commit = Commit(git_repo, commit_id)

            # message execution is combined with timestamp execution to speed up to process
            message = commit._exec.run(
                ['git', 'log', '--format=%B%n%ct', '-n1', commit._id])
            timestamp = message.pop(-1)

            diff = commit._exec.run([
                'git', 'diff', '--unified=1', commit._id + "^.." + commit._id
            ])
            changed_files = get_changed_files_from_diff(diff)
            hunks = get_hunks_from_diff(diff)

            preprocessed_message = rank.simpler_filter_text(message)
            preprocessed_diff = rank.simpler_filter_text(
                re.sub(
                    '[^A-Za-z0-9]+', ' ', ' '.join(
                        rank.extract_relevant_lines_from_commit_diff(diff))))
            preprocessed_changed_files = rank.simpler_filter_text(
                changed_files)

            if with_message_references_content:
                commit_message_reference_content = extract_commit_message_reference_content(
                    message, repository_url, driver)
                preprocessed_commit_message_reference_content = rank.extract_n_most_occurring_words(
                    commit_message_reference_content, n=20)
            else:
                commit_message_reference_content, preprocessed_commit_message_reference_content = None, None

            # add to database
            with connection:
                cursor.execute(
                    "INSERT INTO commits VALUES (:repository_url, :id, :timestamp, :message, :changed_files, :diff, :hunks, :commit_message_reference_content, :preprocessed_message, :preprocessed_diff, :preprocessed_changed_files, :preprocessed_commit_message_reference_content)",
                    {
                        'repository_url':
                        repository_url,
                        'id':
                        commit_id,
                        'timestamp':
                        str(timestamp),
                        'message':
                        str(message),
                        'changed_files':
                        str(changed_files),
                        'diff':
                        str(diff),
                        'hunks':
                        str(hunks),
                        'commit_message_reference_content':
                        commit_message_reference_content,
                        'preprocessed_message':
                        preprocessed_message,
                        'preprocessed_diff':
                        preprocessed_diff,
                        'preprocessed_changed_files':
                        preprocessed_changed_files,
                        'preprocessed_commit_message_reference_content':
                        preprocessed_commit_message_reference_content
                    })
        except:
            print('    Failed to add commit {}'.format(commit_id))
    if verbose: print('    All commits have been added to the database.')
    cursor.close()
    return