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Reorganize docs v2 (GH-2174)
[etc/vim.git] / src / black_primer / cli.py
1 # coding=utf8
2
3 import asyncio
4 import logging
5 import sys
6 from datetime import datetime
7 from pathlib import Path
8 from shutil import rmtree, which
9 from tempfile import gettempdir
10 from typing import Any, Union
11
12 import click
13
14 from black_primer import lib
15
16
17 DEFAULT_CONFIG = Path(__file__).parent / "primer.json"
18 _timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
19 DEFAULT_WORKDIR = Path(gettempdir()) / f"primer.{_timestamp}"
20 LOG = logging.getLogger(__name__)
21
22
23 def _handle_debug(
24     ctx: click.core.Context,
25     param: Union[click.core.Option, click.core.Parameter],
26     debug: Union[bool, int, str],
27 ) -> Union[bool, int, str]:
28     """Turn on debugging if asked otherwise INFO default"""
29     log_level = logging.DEBUG if debug else logging.INFO
30     logging.basicConfig(
31         format="[%(asctime)s] %(levelname)s: %(message)s (%(filename)s:%(lineno)d)",
32         level=log_level,
33     )
34     return debug
35
36
37 async def async_main(
38     config: str,
39     debug: bool,
40     keep: bool,
41     long_checkouts: bool,
42     no_diff: bool,
43     rebase: bool,
44     workdir: str,
45     workers: int,
46 ) -> int:
47     work_path = Path(workdir)
48     if not work_path.exists():
49         LOG.debug(f"Creating {work_path}")
50         work_path.mkdir()
51
52     if not which("black"):
53         LOG.error("Can not find 'black' executable in PATH. No point in running")
54         return -1
55
56     try:
57         ret_val = await lib.process_queue(
58             config,
59             work_path,
60             workers,
61             keep,
62             long_checkouts,
63             rebase,
64             no_diff,
65         )
66         return int(ret_val)
67     finally:
68         if not keep and work_path.exists():
69             LOG.debug(f"Removing {work_path}")
70             rmtree(work_path, onerror=lib.handle_PermissionError)
71
72     return -2
73
74
75 @click.command(context_settings={"help_option_names": ["-h", "--help"]})
76 @click.option(
77     "-c",
78     "--config",
79     default=str(DEFAULT_CONFIG),
80     type=click.Path(exists=True),
81     show_default=True,
82     help="JSON config file path",
83 )
84 @click.option(
85     "--debug",
86     is_flag=True,
87     callback=_handle_debug,
88     show_default=True,
89     help="Turn on debug logging",
90 )
91 @click.option(
92     "-k",
93     "--keep",
94     is_flag=True,
95     show_default=True,
96     help="Keep workdir + repos post run",
97 )
98 @click.option(
99     "-L",
100     "--long-checkouts",
101     is_flag=True,
102     show_default=True,
103     help="Pull big projects to test",
104 )
105 @click.option(
106     "--no-diff",
107     is_flag=True,
108     show_default=True,
109     help="Disable showing source file changes in black output",
110 )
111 @click.option(
112     "-R",
113     "--rebase",
114     is_flag=True,
115     show_default=True,
116     help="Rebase project if already checked out",
117 )
118 @click.option(
119     "-w",
120     "--workdir",
121     default=str(DEFAULT_WORKDIR),
122     type=click.Path(exists=False),
123     show_default=True,
124     help="Directory path for repo checkouts",
125 )
126 @click.option(
127     "-W",
128     "--workers",
129     default=2,
130     type=int,
131     show_default=True,
132     help="Number of parallel worker coroutines",
133 )
134 @click.pass_context
135 def main(ctx: click.core.Context, **kwargs: Any) -> None:
136     """primer - prime projects for blackening... 🏴"""
137     LOG.debug(f"Starting {sys.argv[0]}")
138     # TODO: Change to asyncio.run when Black >= 3.7 only
139     loop = asyncio.get_event_loop()
140     try:
141         ctx.exit(loop.run_until_complete(async_main(**kwargs)))
142     finally:
143         loop.close()
144
145
146 if __name__ == "__main__":  # pragma: nocover
147     main()