Python distutils.dep_util 模块，newer_group() 实例源码

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def newer_pairwise_group(sources_groups, targets):
    """Walk both arguments in parallel, testing if each source group is newer
    than its corresponding target. Returns a pair of lists (sources_groups,
    targets) where sources is newer than target, according to the semantics
    of 'newer_group()'.
    """
    if len(sources_groups) != len(targets):
        raise ValueError("'sources_group' and 'targets' must be the same length")

    # build a pair of lists (sources_groups, targets) where source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources_groups)):
        if newer_group(sources_groups[i], targets[i]):
            n_sources.append(sources_groups[i])
            n_targets.append(targets[i])

    return n_sources, n_targets

def _need_link(self, objects, output_file):
        """Return true if we need to relink the files listed in 'objects'
        to recreate 'output_file'.
        """
        if self.force:
            return 1
        else:
            if self.dry_run:
                newer = newer_group (objects, output_file, missing='newer')
            else:
                newer = newer_group (objects, output_file)
            return newer

def make_file(self, infiles, outfile, func, args,
                  exec_msg=None, skip_msg=None, level=1):
        """Special case of 'execute()' for operations that process one or
        more input files and generate one output file.  Works just like
        'execute()', except the operation is skipped and a different
        message printed if 'outfile' already exists and is newer than all
        files listed in 'infiles'.  If the command defined 'self.force',
        and it is true, then the command is unconditionally run -- does no
        timestamp checks.
        """
        if skip_msg is None:
            skip_msg = "skipping %s (inputs unchanged)" % outfile

        # Allow 'infiles' to be a single string
        if isinstance(infiles, str):
            infiles = (infiles,)
        elif not isinstance(infiles, (list, tuple)):
            raise TypeError, \
                  "'infiles' must be a string, or a list or tuple of strings"

        if exec_msg is None:
            exec_msg = "generating %s from %s" % \
                       (outfile, ', '.join(infiles))

        # If 'outfile' must be regenerated (either because it doesn't
        # exist, is out-of-date, or the 'force' flag is true) then
        # perform the action that presumably regenerates it
        if self.force or dep_util.newer_group(infiles, outfile):
            self.execute(func, args, exec_msg, level)

        # Otherwise, print the "skip" message
        else:
            log.debug(skip_msg)

# XXX 'install_misc' class not currently used -- it was the base class for
# both 'install_scripts' and 'install_data', but they outgrew it.  It might
# still be useful for 'install_headers', though, so I'm keeping it around
# for the time being.

def _need_link(self, objects, output_file):
        """Return true if we need to relink the files listed in 'objects'
        to recreate 'output_file'.
        """
        if self.force:
            return 1
        else:
            if self.dry_run:
                newer = newer_group (objects, output_file, missing='newer')
            else:
                newer = newer_group (objects, output_file)
            return newer

def make_file(self, infiles, outfile, func, args,
                  exec_msg=None, skip_msg=None, level=1):
        """Special case of 'execute()' for operations that process one or
        more input files and generate one output file.  Works just like
        'execute()', except the operation is skipped and a different
        message printed if 'outfile' already exists and is newer than all
        files listed in 'infiles'.  If the command defined 'self.force',
        and it is true, then the command is unconditionally run -- does no
        timestamp checks.
        """
        if skip_msg is None:
            skip_msg = "skipping %s (inputs unchanged)" % outfile

        # Allow 'infiles' to be a single string
        if isinstance(infiles, str):
            infiles = (infiles,)
        elif not isinstance(infiles, (list, tuple)):
            raise TypeError, \
                  "'infiles' must be a string, or a list or tuple of strings"

        if exec_msg is None:
            exec_msg = "generating %s from %s" % \
                       (outfile, ', '.join(infiles))

        # If 'outfile' must be regenerated (either because it doesn't
        # exist, is out-of-date, or the 'force' flag is true) then
        # perform the action that presumably regenerates it
        if self.force or dep_util.newer_group(infiles, outfile):
            self.execute(func, args, exec_msg, level)

        # Otherwise, print the "skip" message
        else:
            log.debug(skip_msg)

# XXX 'install_misc' class not currently used -- it was the base class for
# both 'install_scripts' and 'install_data', but they outgrew it.  It might
# still be useful for 'install_headers', though, so I'm keeping it around
# for the time being.

def test_newer_group(self):
        tmpdir = self.mkdtemp()
        sources = os.path.join(tmpdir, 'sources')
        os.mkdir(sources)
        one = os.path.join(sources, 'one')
        two = os.path.join(sources, 'two')
        three = os.path.join(sources, 'three')
        old_file = os.path.abspath(__file__)

        # return true if 'old_file' is out-of-date with respect to any file
        # listed in 'sources'.
        self.write_file(one)
        self.write_file(two)
        self.write_file(three)
        self.assertTrue(newer_group([one, two, three], old_file))
        self.assertFalse(newer_group([one, two, old_file], three))

        # missing handling
        os.remove(one)
        self.assertRaises(OSError, newer_group, [one, two, old_file], three)

        self.assertFalse(newer_group([one, two, old_file], three,
                                     missing='ignore'))

        self.assertTrue(newer_group([one, two, old_file], three,
                                    missing='newer'))

def template_sources(self, sources, extension):
        new_sources = []
        if is_sequence(extension):
            depends = extension[1].get('depends')
            include_dirs = extension[1].get('include_dirs')
        else:
            depends = extension.depends
            include_dirs = extension.include_dirs
        for source in sources:
            (base, ext) = os.path.splitext(source)
            if ext == '.src':  # Template file
                if self.inplace:
                    target_dir = os.path.dirname(base)
                else:
                    target_dir = appendpath(self.build_src, os.path.dirname(base))
                self.mkpath(target_dir)
                target_file = os.path.join(target_dir, os.path.basename(base))
                if (self.force or newer_group([source] + depends, target_file)):
                    if _f_pyf_ext_match(base):
                        log.info("from_template:> %s" % (target_file))
                        outstr = process_f_file(source)
                    else:
                        log.info("conv_template:> %s" % (target_file))
                        outstr = process_c_file(source)
                    fid = open(target_file, 'w')
                    fid.write(outstr)
                    fid.close()
                if _header_ext_match(target_file):
                    d = os.path.dirname(target_file)
                    if d not in include_dirs:
                        log.info("  adding '%s' to include_dirs." % (d))
                        include_dirs.append(d)
                new_sources.append(target_file)
            else:
                new_sources.append(source)
        return new_sources