Mercurial > repos > guerler > springsuite
comparison planemo/lib/python3.7/site-packages/virtualenv/util/path/_sync.py @ 1:56ad4e20f292 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler |
|---|---|
| date | Fri, 31 Jul 2020 00:32:28 -0400 |
| parents | |
| children |
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| 0:d30785e31577 | 1:56ad4e20f292 |
|---|---|
| 1 from __future__ import absolute_import, unicode_literals | |
| 2 | |
| 3 import logging | |
| 4 import os | |
| 5 import shutil | |
| 6 from stat import S_IWUSR | |
| 7 | |
| 8 from six import PY2 | |
| 9 | |
| 10 from virtualenv.info import IS_CPYTHON, IS_WIN | |
| 11 from virtualenv.util.six import ensure_text | |
| 12 | |
| 13 if PY2 and IS_CPYTHON and IS_WIN: # CPython2 on Windows supports unicode paths if passed as unicode | |
| 14 | |
| 15 def norm(src): | |
| 16 return ensure_text(str(src)) | |
| 17 | |
| 18 | |
| 19 else: | |
| 20 norm = str | |
| 21 | |
| 22 | |
| 23 def ensure_dir(path): | |
| 24 if not path.exists(): | |
| 25 logging.debug("create folder %s", ensure_text(str(path))) | |
| 26 os.makedirs(norm(path)) | |
| 27 | |
| 28 | |
| 29 def ensure_safe_to_do(src, dest): | |
| 30 if src == dest: | |
| 31 raise ValueError("source and destination is the same {}".format(src)) | |
| 32 if not dest.exists(): | |
| 33 return | |
| 34 if dest.is_dir() and not dest.is_symlink(): | |
| 35 logging.debug("remove directory %s", dest) | |
| 36 safe_delete(dest) | |
| 37 else: | |
| 38 logging.debug("remove file %s", dest) | |
| 39 dest.unlink() | |
| 40 | |
| 41 | |
| 42 def symlink(src, dest): | |
| 43 ensure_safe_to_do(src, dest) | |
| 44 logging.debug("symlink %s", _Debug(src, dest)) | |
| 45 dest.symlink_to(src, target_is_directory=src.is_dir()) | |
| 46 | |
| 47 | |
| 48 def copy(src, dest): | |
| 49 ensure_safe_to_do(src, dest) | |
| 50 is_dir = src.is_dir() | |
| 51 method = copytree if is_dir else shutil.copy | |
| 52 logging.debug("copy %s", _Debug(src, dest)) | |
| 53 method(norm(src), norm(dest)) | |
| 54 | |
| 55 | |
| 56 def copytree(src, dest): | |
| 57 for root, _, files in os.walk(src): | |
| 58 dest_dir = os.path.join(dest, os.path.relpath(root, src)) | |
| 59 if not os.path.exists(dest_dir): | |
| 60 os.makedirs(dest_dir) | |
| 61 for name in files: | |
| 62 src_f = os.path.join(root, name) | |
| 63 dest_f = os.path.join(dest_dir, name) | |
| 64 shutil.copy(src_f, dest_f) | |
| 65 | |
| 66 | |
| 67 def safe_delete(dest): | |
| 68 def onerror(func, path, exc_info): | |
| 69 if not os.access(path, os.W_OK): | |
| 70 os.chmod(path, S_IWUSR) | |
| 71 func(path) | |
| 72 else: | |
| 73 raise | |
| 74 | |
| 75 shutil.rmtree(ensure_text(str(dest)), ignore_errors=True, onerror=onerror) | |
| 76 | |
| 77 | |
| 78 class _Debug(object): | |
| 79 def __init__(self, src, dest): | |
| 80 self.src = src | |
| 81 self.dest = dest | |
| 82 | |
| 83 def __str__(self): | |
| 84 return "{}{} to {}".format( | |
| 85 "directory " if self.src.is_dir() else "", ensure_text(str(self.src)), ensure_text(str(self.dest)), | |
| 86 ) | |
| 87 | |
| 88 | |
| 89 __all__ = ( | |
| 90 "ensure_dir", | |
| 91 "symlink", | |
| 92 "copy", | |
| 93 "symlink", | |
| 94 "copytree", | |
| 95 "safe_delete", | |
| 96 ) |