dot_files/vim-plugins/python-mode/pymode/libs/rope/base/fscommands.py
2017-12-09 13:49:26 +00:00

288 lines
7.8 KiB
Python

"""Project file system commands.
This modules implements file system operations used by rope. Different
version control systems can be supported by implementing the interface
provided by `FileSystemCommands` class. See `SubversionCommands` and
`MercurialCommands` for example.
"""
import os
import shutil
import subprocess
import rope.base.utils.pycompat as pycompat
try:
unicode
except NameError:
unicode = str
def create_fscommands(root):
dirlist = os.listdir(root)
commands = {'.hg': MercurialCommands,
'.svn': SubversionCommands,
'.git': GITCommands,
'_svn': SubversionCommands,
'_darcs': DarcsCommands}
for key in commands:
if key in dirlist:
try:
return commands[key](root)
except (ImportError, OSError):
pass
return FileSystemCommands()
class FileSystemCommands(object):
def create_file(self, path):
open(path, 'w').close()
def create_folder(self, path):
os.mkdir(path)
def move(self, path, new_location):
shutil.move(path, new_location)
def remove(self, path):
if os.path.isfile(path):
os.remove(path)
else:
shutil.rmtree(path)
def write(self, path, data):
file_ = open(path, 'wb')
try:
file_.write(data)
finally:
file_.close()
class SubversionCommands(object):
def __init__(self, *args):
self.normal_actions = FileSystemCommands()
import pysvn
self.client = pysvn.Client()
def create_file(self, path):
self.normal_actions.create_file(path)
self.client.add(path, force=True)
def create_folder(self, path):
self.normal_actions.create_folder(path)
self.client.add(path, force=True)
def move(self, path, new_location):
self.client.move(path, new_location, force=True)
def remove(self, path):
self.client.remove(path, force=True)
def write(self, path, data):
self.normal_actions.write(path, data)
class MercurialCommands(object):
def __init__(self, root):
self.hg = self._import_mercurial()
self.normal_actions = FileSystemCommands()
try:
self.ui = self.hg.ui.ui(
verbose=False, debug=False, quiet=True,
interactive=False, traceback=False, report_untrusted=False)
except:
self.ui = self.hg.ui.ui()
self.ui.setconfig('ui', 'interactive', 'no')
self.ui.setconfig('ui', 'debug', 'no')
self.ui.setconfig('ui', 'traceback', 'no')
self.ui.setconfig('ui', 'verbose', 'no')
self.ui.setconfig('ui', 'report_untrusted', 'no')
self.ui.setconfig('ui', 'quiet', 'yes')
self.repo = self.hg.hg.repository(self.ui, root)
def _import_mercurial(self):
import mercurial.commands
import mercurial.hg
import mercurial.ui
return mercurial
def create_file(self, path):
self.normal_actions.create_file(path)
self.hg.commands.add(self.ui, self.repo, path)
def create_folder(self, path):
self.normal_actions.create_folder(path)
def move(self, path, new_location):
self.hg.commands.rename(self.ui, self.repo, path,
new_location, after=False)
def remove(self, path):
self.hg.commands.remove(self.ui, self.repo, path)
def write(self, path, data):
self.normal_actions.write(path, data)
class GITCommands(object):
def __init__(self, root):
self.root = root
self._do(['version'])
self.normal_actions = FileSystemCommands()
def create_file(self, path):
self.normal_actions.create_file(path)
self._do(['add', self._in_dir(path)])
def create_folder(self, path):
self.normal_actions.create_folder(path)
def move(self, path, new_location):
self._do(['mv', self._in_dir(path), self._in_dir(new_location)])
def remove(self, path):
self._do(['rm', self._in_dir(path)])
def write(self, path, data):
# XXX: should we use ``git add``?
self.normal_actions.write(path, data)
def _do(self, args):
_execute(['git'] + args, cwd=self.root)
def _in_dir(self, path):
if path.startswith(self.root):
return path[len(self.root) + 1:]
return self.root
class DarcsCommands(object):
def __init__(self, root):
self.root = root
self.normal_actions = FileSystemCommands()
def create_file(self, path):
self.normal_actions.create_file(path)
self._do(['add', path])
def create_folder(self, path):
self.normal_actions.create_folder(path)
self._do(['add', path])
def move(self, path, new_location):
self._do(['mv', path, new_location])
def remove(self, path):
self.normal_actions.remove(path)
def write(self, path, data):
self.normal_actions.write(path, data)
def _do(self, args):
_execute(['darcs'] + args, cwd=self.root)
def _execute(args, cwd=None):
process = subprocess.Popen(args, cwd=cwd, stdout=subprocess.PIPE)
process.wait()
return process.returncode
def unicode_to_file_data(contents, encoding=None):
if not isinstance(contents, unicode):
return contents
if encoding is None:
encoding = read_str_coding(contents)
if encoding is not None:
return contents.encode(encoding)
try:
return contents.encode()
except UnicodeEncodeError:
return contents.encode('utf-8')
def file_data_to_unicode(data, encoding=None):
result = _decode_data(data, encoding)
if '\r' in result:
result = result.replace('\r\n', '\n').replace('\r', '\n')
return result
def _decode_data(data, encoding):
if isinstance(data, unicode):
return data
if encoding is None:
encoding = read_str_coding(data)
if encoding is None:
# there is no encoding tip, we need to guess.
# PEP263 says that "encoding not explicitly defined" means it is ascii,
# but we will use utf8 instead since utf8 fully covers ascii and btw is
# the only non-latin sane encoding.
encoding = 'utf-8'
try:
return data.decode(encoding)
except (UnicodeError, LookupError):
# fallback to latin1: it should never fail
return data.decode('latin1')
def read_file_coding(path):
file = open(path, 'b')
count = 0
result = []
while True:
current = file.read(10)
if not current:
break
count += current.count('\n')
result.append(current)
file.close()
return _find_coding(''.join(result))
def read_str_coding(source):
if type(source) == bytes:
newline = b'\n'
else:
newline = '\n'
#try:
# source = source.decode("utf-8")
#except AttributeError:
# pass
try:
first = source.index(newline) + 1
second = source.index(newline, first) + 1
except ValueError:
second = len(source)
return _find_coding(source[:second])
def _find_coding(text):
if isinstance(text, pycompat.str):
text = text.encode('utf-8')
coding = b'coding'
to_chr = chr if pycompat.PY3 else lambda x: x
try:
start = text.index(coding) + len(coding)
if text[start] not in b'=:':
return
start += 1
while start < len(text) and to_chr(text[start]).isspace():
start += 1
end = start
while end < len(text):
c = text[end]
if not to_chr(c).isalnum() and c not in b'-_':
break
end += 1
result = text[start:end]
if isinstance(result, bytes):
result = result.decode('utf-8')
return result
except ValueError:
pass