python-version-status.py

"""
Check Python version status in Macports.
"""
from pathlib import Path
from astropy.table import Table

def has_version(version, text):
    lines = text.split('\n')
    for line in lines:
        if 'python.versions' in line:
            tokens = line.split()
            if version in tokens:
                return True
    return False


def compute_status():
    paths = Path('python').glob('*/Portfile')
    # print(list(filenames))
    table = []
    for path in paths:
        # print('Processing {}'.format(str(path)))
        text = path.read_text()

        row = dict()
        row['port'] = str(path).split('/')[1]
        row['py35'] = has_version('35', text)
        row['py36'] = has_version('36', text)
        table.append(row)
        # import IPython; IPython.embed(); 1/0
    return Table(table)

def report_status(table):
    table['port'].format = '<'
    # table.pprint(max_lines=-1)
    print('Number of Python ports: {}'.format(len(table)))
    # table2 = table[table['py35']]
    print('Number of Python ports supporting version 3.5: {}'.format(sum(table['py35'])))
    print('Number of Python ports supporting version 3.6: {}'.format(sum(table['py36'])))
    needs_36 = table['py35'] & (~table['py36'])
    print('Number of Python ports that need 3.6 added: {}'.format(sum(needs_36)))
    
    print('List of ports where 3.6 should be added:\n')
    table[needs_36]['port'].pprint(max_lines=-1)

    # import IPython; IPython.embed(); 1/0

if __name__ == '__main__':
    table = compute_status()
    report_status(table)