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                    1
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                             3                          | 
                
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                from datetime import date  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    2
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                             3                          | 
                
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                from pathlib import Path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    3
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                    4
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                             3                          | 
                
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                import bumpversion  | 
            
                            
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                    5
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                             3                          | 
                
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                import pkg_resources  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    6
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                             3                          | 
                
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                from jinja2 import Template  | 
            
                            
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                    7
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                    8
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                import changes  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    9
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                from changes.config import BumpVersion  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    10
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                from changes.models import Release  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    11
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                from . import info, error, note  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    12
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                from .status import status  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    13
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                    14
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                    15
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                def stage(draft, release_name=None, release_description=None):  | 
            
            
                                                        
            
                                    
            
            
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                    16
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                    repository, bumpversion_part, release_type, proposed_version = status()  | 
            
            
                                                        
            
                                    
            
            
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                    18
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                    if not repository.changes_since_last_version:  | 
            
            
                                                        
            
                                    
            
            
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                    19
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                        error("There aren't any changes to release!") | 
            
            
                                                        
            
                                    
            
            
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                    20
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                        return  | 
            
            
                                                        
            
                                    
            
            
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                    21
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                    22
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                    info('Staging [{}] release for version {}'.format( | 
            
            
                                                        
            
                                    
            
            
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                    23
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                        release_type,  | 
            
            
                                                        
            
                                    
            
            
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                    24
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                        proposed_version  | 
            
            
                                                        
            
                                    
            
            
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                    25
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                    ))  | 
            
            
                                                        
            
                                    
            
            
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                    26
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                    27
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                             3                          | 
                
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                    bumpversion_arguments = (  | 
            
            
                                                        
            
                                    
            
            
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                    28
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                        BumpVersion.DRAFT_OPTIONS if draft  | 
            
            
                                                        
            
                                    
            
            
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                    29
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                        else BumpVersion.STAGE_OPTIONS  | 
            
            
                                                        
            
                                    
            
            
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                    30
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                    )  | 
            
            
                                                        
            
                                    
            
            
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                    31
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                             3                          | 
                
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                    bumpversion_arguments += [bumpversion_part]  | 
            
            
                                                        
            
                                    
            
            
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                    32
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                    33
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                             3                          | 
                
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                    info('Running: bumpversion {}'.format( | 
            
            
                                                        
            
                                    
            
            
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                    34
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                        ' '.join(bumpversion_arguments)  | 
            
            
                                                        
            
                                    
            
            
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                    35
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                    ))  | 
            
            
                                                        
            
                                    
            
            
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                    36
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                    37
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                             3                          | 
                
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                    try:  | 
            
            
                                                        
            
                                    
            
            
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                    38
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                             3                          | 
                
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                        bumpversion.main(bumpversion_arguments)  | 
            
            
                                                        
            
                                    
            
            
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                    39
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                    except bumpversion.WorkingDirectoryIsDirtyException as err:  | 
            
            
                                                        
            
                                    
            
            
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                    40
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                        error(err)  | 
            
            
                                                        
            
                                    
            
            
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                    41
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                        raise  | 
            
            
                                                        
            
                                    
            
            
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                    42
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                    43
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                             3                          | 
                
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                    info('Generating Release') | 
            
            
                                                        
            
                                    
            
            
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                    44
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                    # prepare context for changelog documentation  | 
            
            
                                                        
            
                                    
            
            
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                    45
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                             3                          | 
                
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                    project_labels = changes.project_settings.labels  | 
            
            
                                                        
            
                                    
            
            
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                    46
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                             3                          | 
                
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                    for label, properties in project_labels.items():  | 
            
            
                                                        
            
                                    
            
            
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                    47
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                             3                          | 
                
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                        pull_requests_with_label = [  | 
            
            
                                                        
            
                                    
            
            
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                    48
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                            pull_request  | 
            
            
                                                        
            
                                    
            
            
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                    49
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                            for pull_request in repository.changes_since_last_version  | 
            
            
                                                        
            
                                    
            
            
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                    50
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                            if label in pull_request.labels  | 
            
            
                                                        
            
                                    
            
            
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                    51
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                        ]  | 
            
            
                                                        
            
                                    
            
            
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                    52
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                    53
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                             3                          | 
                
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                        project_labels[label]['pull_requests'] = pull_requests_with_label  | 
            
            
                                                        
            
                                    
            
            
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                    54
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                 | 
            
            
                                                        
            
                                    
            
            
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                    55
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                             3                          | 
                
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                    release = Release(  | 
            
            
                                                        
            
                                    
            
            
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                    56
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                        name=release_name,  | 
            
            
                                                        
            
                                    
            
            
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                    57
                 | 
                                    
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                        release_date=date.today().isoformat(),  | 
            
            
                                                        
            
                                    
            
            
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                    58
                 | 
                                    
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                        version=proposed_version,  | 
            
            
                                                        
            
                                    
            
            
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                    59
                 | 
                                    
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                        description=release_description,  | 
            
            
                                                        
            
                                    
            
            
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                    60
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                        changes=project_labels,  | 
            
            
                                                        
            
                                    
            
            
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                    61
                 | 
                                    
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                    )  | 
            
            
                                                        
            
                                    
            
            
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                    62
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                    63
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                             3                          | 
                
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                    info('Loading template...') | 
            
            
                                                        
            
                                    
            
            
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                    64
                 | 
                                    
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                    # TODO: if project_settings.release_notes_template is None  | 
            
            
                                                        
            
                                    
            
            
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                    65
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                             3                          | 
                
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                    release_notes_template = pkg_resources.resource_string(  | 
            
            
                                                        
            
                                    
            
            
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                    66
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                        changes.__name__,  | 
            
            
                                                        
            
                                    
            
            
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                    67
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                                                     | 
                
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                        'templates/release_notes_template.md'  | 
            
            
                                                        
            
                                    
            
            
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                    68
                 | 
                                    
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                    ).decode('utf8') | 
            
            
                                                        
            
                                    
            
            
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                    69
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                    70
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                             3                          | 
                
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                    release_notes = Template(release_notes_template).render(release=release)  | 
            
            
                                                        
            
                                    
            
            
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                    71
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                    # TODO: jinja2.exceptions.UndefinedError  | 
            
            
                                                        
            
                                    
            
            
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                    72
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                      | 
            
            
                                                        
            
                                    
            
            
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                    73
                 | 
                                    
                             3                          | 
                
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                    releases_directory = Path(changes.project_settings.releases_directory)  | 
            
            
                                                        
            
                                    
            
            
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                    74
                 | 
                                    
                             3                          | 
                
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                    if not releases_directory.exists():  | 
            
            
                                                        
            
                                    
            
            
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                    75
                 | 
                                    
                             3                          | 
                
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                        releases_directory.mkdir(parents=True)  | 
            
            
                                                        
            
                                    
            
            
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                    76
                 | 
                                    
                             3                          | 
                
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                    release_notes_path = releases_directory.joinpath(  | 
            
            
                                                        
            
                                    
            
            
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                    77
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                        '{}.md'.format(release.version) | 
            
            
                                                        
            
                                    
            
            
                | 
                    78
                 | 
                                    
                                                     | 
                
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                    )  | 
            
            
                                                        
            
                                    
            
            
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                    79
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                             3                          | 
                
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                    if not draft:  | 
            
            
                                                        
            
                                    
            
            
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                    80
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                             3                          | 
                
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                        release_notes_path.write_text(release_notes)  | 
            
                            
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                    81
                 | 
                                    
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                    else:  | 
            
            
                                                        
            
                                    
            
            
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                    82
                 | 
                                    
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                        note(release_notes)  | 
            
            
                                                        
            
                                    
            
            
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                    83
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This can be caused by one of the following:
1. Missing Dependencies
This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands.
2. Missing __init__.py files
This error could also result from missing
__init__.pyfiles in your module folders. Make sure that you place one file in each sub-folder.