Path.curdir() - Code Metrics - Inspection of "upversion" - datakortet/dkfileutils - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c8d5b2...ff259f )

by Bjorn

created 2017-03-29 13:54 UTC

Path.curdir() A

↳ Parent: Project

Complexity

Conditions

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Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
c	1
b	0
f	0
dl	0
loc	5
rs	9.4285

# -*- coding: utf-8 -*-
"""Poor man's pathlib.

   (Path instances are subclasses of str, so interoperability with existing
   os.path code is greater than with Python 3's pathlib.)
"""
# pylint:disable=C0111,R0904
# R0904: too many public methods in Path
import os
import re
from contextlib import contextmanager
import shutil


def doc(srcfn):
    def decorator(fn):
        fn.__doc__ = srcfn.__doc__.replace(srcfn.__name__, fn.__name__)
        return fn
    return decorator


class Path(str):
    """Poor man's pathlib.
    """

    def __div__(self, other):
        return Path(
            os.path.normcase(
                os.path.normpath(
                    os.path.join(self, other)
                )
            )
        )

    @doc(os.unlink)
    def unlink(self):
        os.unlink(self)

    def open(self, mode='r'):
        return open(self, mode)

    def __iter__(self):
        for root, dirs, files in os.walk(self):
            dotdirs = [d for d in dirs if d.startswith('.')]
            for d in dotdirs:
                dirs.remove(d)
            dotfiles = [d for d in files if d.startswith('.')]
            for d in dotfiles:
                files.remove(d)
            for fname in files:
                yield Path(os.path.join(root, fname))

    def __contains__(self, item):
        if self.isdir():
            return item in self.listdir()
        super(Path, self).__contains__(item)

    @doc(shutil.rmtree)
    def rmtree(self, subdir=None):
        if subdir is not None:
            shutil.rmtree(self / subdir)
        else:
            shutil.rmtree(self)

    def contents(self):
        res = [d.relpath(self) for d in self.glob('**/*')]
        res.sort()
        return res

    @classmethod
    def curdir(cls):
        """Initialize a Path object on the current directory.
        """
        return cls(os.getcwd())

    def touch(self, mode=0o666, exist_ok=True):
        """Create this file with the given access mode, if it doesn't exist.
           (based on https://github.com/python/cpython/blob/master/Lib/pathlib.py)
        """
        if exist_ok:
            # First try to bump modification time
            # Implementation note: GNU touch uses the UTIME_NOW option of
            # the utimensat() / futimens() functions.
            try:
                os.utime(self, None)
            except OSError:
                # Avoid exception chaining
                pass
            else:
                return
        flags = os.O_CREAT | os.O_WRONLY
        if not exist_ok:
            flags |= os.O_EXCL
        fd = os.open(self, flags, mode)
        os.close(fd)

    def glob(self, pat):
        """`pat` can be an extended glob pattern, e.g. `'**/*.less'`
           This code handles negations similarly to node.js' minimatch, i.e.
           a leading `!` will negate the entire pattern.
        """
        r = ""
        negate = int(pat.startswith('!'))
        i = negate

        while i < len(pat):
            if pat[i:i + 3] == '**/':
                r += "(?:.*/)?"
                i += 3
            elif pat[i] == "*":
                r += "[^/]*"
                i += 1
            elif pat[i] == ".":
                r += "[.]"
                i += 1
            elif pat[i] == "?":
                r += "."
                i += 1
            else:
                r += pat[i]
                i += 1
        r += r'\Z(?ms)'
        # print '\n\npat', pat
        # print 'regex:', r
        # print [s.relpath(self).replace('\\', '/') for s in self]
        rx = re.compile(r)

        def match(d):
            m = rx.match(d)
            return not m if negate else m

        return [s for s in self if match(s.relpath(self).replace('\\', '/'))]

    @doc(os.path.abspath)
    def abspath(self):
        return Path(os.path.abspath(self))
    absolute = abspath  # pathlib

    def drive(self):
        """Return the drive of `self`.
        """
        return self.splitdrive()[0]

    def drivepath(self):
        """The path local to this drive (i.e. remove drive letter).
        """
        return self.splitdrive()[1]

    @doc(os.path.basename)
    def basename(self):
        return Path(os.path.basename(self))

    @doc(os.path.commonprefix)
    def commonprefix(self, *args):
        return os.path.commonprefix([str(self)] + [str(a) for a in args])

    @doc(os.path.dirname)
    def dirname(self):
        return Path(os.path.dirname(self))

    @doc(os.path.exists)
    def exists(self):
        return os.path.exists(self)

    @doc(os.path.expanduser)
    def expanduser(self):
        return Path(os.path.expanduser(self))

    @doc(os.path.expandvars)
    def expandvars(self):
        return Path(os.path.expandvars(self))

    @doc(os.path.getatime)
    def getatime(self):
        return os.path.getatime(self)

    @doc(os.path.getctime)
    def getctime(self):
        return os.path.getctime(self)

    @doc(os.path.getmtime)
    def getmtime(self):
        return os.path.getmtime(self)

    @doc(os.path.getsize)
    def getsize(self):
        return os.path.getsize(self)

    @doc(os.path.isabs)
    def isabs(self):
        return os.path.isabs(self)

    @doc(os.path.isdir)
    def isdir(self, *args, **kw):
        return os.path.isdir(self, *args, **kw)

    @doc(os.path.isfile)
    def isfile(self):
        return os.path.isfile(self)

    @doc(os.path.islink)
    def islink(self):
        return os.path.islink(self)

    @doc(os.path.ismount)
    def ismount(self):
        return os.path.ismount(self)

    @doc(os.path.join)
    def join(self, *args):
        return Path(os.path.join(self, *args))

    @doc(os.path.lexists)
    def lexists(self):
        return os.path.lexists(self)

    @doc(os.path.normcase)
    def normcase(self):
        return Path(os.path.normcase(self))

    @doc(os.path.normpath)
    def normpath(self):
        return Path(os.path.normpath(str(self)))

    @doc(os.path.realpath)
    def realpath(self):
        return Path(os.path.realpath(self))

    @doc(os.path.relpath)
    def relpath(self, other=""):
        return Path(os.path.relpath(str(self), str(other)))

    @doc(os.path.split)
    def split(self, sep=None, maxsplit=-1):
        # some heuristics to determine if this is a str.split call or
        # a os.split call...
        sval = str(self)
        if sep is not None or ' ' in sval:
            return sval.split(sep or ' ', maxsplit)
        return os.path.split(self)

    def parts(self):
        res = re.split(r"\\|/", self)
        if res and os.path.splitdrive(res[0]) == (res[0], ''):
            res[0] += os.path.sep
        return res

    def parent_iter(self):
        parts = self.abspath().normpath().normcase().parts()
        for i in range(1, len(parts)):
            yield Path(os.path.join(*parts[:-i]))

    @property
    def parents(self):
        return list(self.parent_iter())

    @property
    def parent(self):
        return self.parents[0]

    @doc(os.path.splitdrive)
    def splitdrive(self):
        drive, pth = os.path.splitdrive(self)
        return drive, Path(pth)

    @doc(os.path.splitext)
    def splitext(self):
        return os.path.splitext(self)

    @property
    def ext(self):
        return self.splitext()[1]

    if hasattr(os.path, 'splitunc'):  # pragma: nocover
        @doc(os.path.splitunc)
        def splitunc(self):
            return os.path.splitunc(self)

    @doc(os.access)
    def access(self, *args, **kw):
        return os.access(self, *args, **kw)

    @doc(os.chdir)
    def chdir(self):
        return os.chdir(self)

    @contextmanager
    def cd(self):
        cwd = os.getcwd()
        try:
            self.chdir()
            yield self
        finally:
            os.chdir(cwd)

    @doc(os.chmod)
    def chmod(self, *args, **kw):
        return os.chmod(self, *args, **kw)

    @doc(os.listdir)
    def listdir(self):
        return [Path(p) for p in os.listdir(self)]

    def list(self, filterfn=lambda x: True):
        """Return all direct descendands of directory `self` for which
           `filterfn` returns True.
        """
        return [self / p for p in self.listdir() if filterfn(self / p)]

    def subdirs(self):
        """Return all direct sub-directories.
        """
        return self.list(lambda p: p.isdir())

    def files(self):
        """Return all files in directory.
        """
        return self.list(lambda p: p.isfile())

    @doc(os.lstat)
    def lstat(self):
        return os.lstat(self)

    @doc(os.makedirs)
    def makedirs(self, path=None, mode=0777):
        pth = os.path.join(self, path) if path else self
        try:
            os.makedirs(pth, mode)
        except OSError:
            pass
        return Path(pth)

    @doc(os.mkdir)
    def mkdir(self, path, mode=0777):
        pth = os.path.join(self, path)
        os.mkdir(pth, mode)
        return Path(pth)

    @doc(os.remove)
    def remove(self):
        return os.remove(self)

    @doc(os.removedirs)
    def removedirs(self):
        return os.removedirs(self)

    @doc(os.rename)
    def rename(self, *args, **kw):
        return os.rename(self, *args, **kw)

    @doc(os.renames)
    def renames(self, *args, **kw):
        return os.renames(self, *args, **kw)

    @doc(os.rmdir)
    def rmdir(self):
        return os.rmdir(self)

    if hasattr(os, 'startfile'):  # pragma: nocover
        @doc(os.startfile)
        def startfile(self, *args, **kw):
            return os.startfile(self, *args, **kw)

    @doc(os.stat)
    def stat(self, *args, **kw):
        return os.stat(self, *args, **kw)

    @doc(os.utime)
    def utime(self, time=None):
        os.utime(self, time)
        return self.stat()

    def __add__(self, other):
        return Path(str(self) + str(other))


@contextmanager
def cd(pth):
    cwd = os.getcwd()
    try:
        os.chdir(pth)
        yield
    finally:
        os.chdir(cwd)


1			# -- coding: utf-8 --
2			"""Poor man's pathlib.
3
4			(Path instances are subclasses of str, so interoperability with existing
5			os.path code is greater than with Python 3's pathlib.)
6			"""
7			# pylint:disable=C0111,R0904
8			# R0904: too many public methods in Path
9			import os
10			import re
11			from contextlib import contextmanager
12			import shutil
13
14
15			def doc(srcfn):
16			def decorator(fn):
17			fn.__doc__ = srcfn.__doc__.replace(srcfn.__name__, fn.__name__)
18			return fn
19			return decorator
20
21
22			class Path(str):
23			"""Poor man's pathlib.
24			"""
25
26			def __div__(self, other):
27			return Path(
28			os.path.normcase(
29			os.path.normpath(
30			os.path.join(self, other)
31			)
32			)
33			)
34
35			@doc(os.unlink)
36			def unlink(self):
37			os.unlink(self)
38
39			def open(self, mode='r'):
40			return open(self, mode)
41
42			def __iter__(self):
43			for root, dirs, files in os.walk(self):
44			dotdirs = [d for d in dirs if d.startswith('.')]
45			for d in dotdirs:
46			dirs.remove(d)
47			dotfiles = [d for d in files if d.startswith('.')]
48			for d in dotfiles:
49			files.remove(d)
50			for fname in files:
51			yield Path(os.path.join(root, fname))
52
53			def __contains__(self, item):
54			if self.isdir():
55			return item in self.listdir()
56			super(Path, self).__contains__(item)
57
58			@doc(shutil.rmtree)
59			def rmtree(self, subdir=None):
60			if subdir is not None:
61			shutil.rmtree(self / subdir)
62			else:
63			shutil.rmtree(self)
64
65			def contents(self):
66			res = [d.relpath(self) for d in self.glob('*/')]
67			res.sort()
68			return res
69
70			@classmethod
71			def curdir(cls):
72			"""Initialize a Path object on the current directory.
73			"""
74			return cls(os.getcwd())
75
76			def touch(self, mode=0o666, exist_ok=True):
77			"""Create this file with the given access mode, if it doesn't exist.
78			(based on https://github.com/python/cpython/blob/master/Lib/pathlib.py)
79			"""
80			if exist_ok:
81			# First try to bump modification time
82			# Implementation note: GNU touch uses the UTIME_NOW option of
83			# the utimensat() / futimens() functions.
84			try:
85			os.utime(self, None)
86			except OSError:
87			# Avoid exception chaining
88			pass
89			else:
90			return
91			flags = os.O_CREAT \| os.O_WRONLY
92			if not exist_ok:
93			flags \|= os.O_EXCL
94			fd = os.open(self, flags, mode)
95			os.close(fd)
96
97			def glob(self, pat):
98			"""`pat` can be an extended glob pattern, e.g. `'*/.less'`
99			This code handles negations similarly to node.js' minimatch, i.e.
100			a leading `!` will negate the entire pattern.
101			"""
102			r = ""
103			negate = int(pat.startswith('!'))
104			i = negate
105
106			while i < len(pat):
107			if pat[i:i + 3] == '**/':
108			r += "(?:.*/)?"
109			i += 3
110			elif pat[i] == "*":
111			r += "[^/]*"
112			i += 1
113			elif pat[i] == ".":
114			r += "[.]"
115			i += 1
116			elif pat[i] == "?":
117			r += "."
118			i += 1
119			else:
120			r += pat[i]
121			i += 1
122			r += r'\Z(?ms)'
123			# print '\n\npat', pat
124			# print 'regex:', r
125			# print [s.relpath(self).replace('\\', '/') for s in self]
126			rx = re.compile(r)
127
128			def match(d):
129			m = rx.match(d)
130			return not m if negate else m
131
132			return [s for s in self if match(s.relpath(self).replace('\\', '/'))]
133
134			@doc(os.path.abspath)
135			def abspath(self):
136			return Path(os.path.abspath(self))
137			absolute = abspath # pathlib
138
139			def drive(self):
140			"""Return the drive of `self`.
141			"""
142			return self.splitdrive()[0]
143
144			def drivepath(self):
145			"""The path local to this drive (i.e. remove drive letter).
146			"""
147			return self.splitdrive()[1]
148
149			@doc(os.path.basename)
150			def basename(self):
151			return Path(os.path.basename(self))
152
153			@doc(os.path.commonprefix)
154			def commonprefix(self, *args):
155			return os.path.commonprefix([str(self)] + [str(a) for a in args])
156
157			@doc(os.path.dirname)
158			def dirname(self):
159			return Path(os.path.dirname(self))
160
161			@doc(os.path.exists)
162			def exists(self):
163			return os.path.exists(self)
164
165			@doc(os.path.expanduser)
166			def expanduser(self):
167			return Path(os.path.expanduser(self))
168
169			@doc(os.path.expandvars)
170			def expandvars(self):
171			return Path(os.path.expandvars(self))
172
173			@doc(os.path.getatime)
174			def getatime(self):
175			return os.path.getatime(self)
176
177			@doc(os.path.getctime)
178			def getctime(self):
179			return os.path.getctime(self)
180
181			@doc(os.path.getmtime)
182			def getmtime(self):
183			return os.path.getmtime(self)
184
185			@doc(os.path.getsize)
186			def getsize(self):
187			return os.path.getsize(self)
188
189			@doc(os.path.isabs)
190			def isabs(self):
191			return os.path.isabs(self)
192
193			@doc(os.path.isdir)
194			def isdir(self, args, *kw):
195			return os.path.isdir(self, args, *kw)
196
197			@doc(os.path.isfile)
198			def isfile(self):
199			return os.path.isfile(self)
200
201			@doc(os.path.islink)
202			def islink(self):
203			return os.path.islink(self)
204
205			@doc(os.path.ismount)
206			def ismount(self):
207			return os.path.ismount(self)
208
209			@doc(os.path.join)
210			def join(self, *args):
211			return Path(os.path.join(self, *args))
212
213			@doc(os.path.lexists)
214			def lexists(self):
215			return os.path.lexists(self)
216
217			@doc(os.path.normcase)
218			def normcase(self):
219			return Path(os.path.normcase(self))
220
221			@doc(os.path.normpath)
222			def normpath(self):
223			return Path(os.path.normpath(str(self)))
224
225			@doc(os.path.realpath)
226			def realpath(self):
227			return Path(os.path.realpath(self))
228
229			@doc(os.path.relpath)
230			def relpath(self, other=""):
231			return Path(os.path.relpath(str(self), str(other)))
232
233			@doc(os.path.split)
234			def split(self, sep=None, maxsplit=-1):
235			# some heuristics to determine if this is a str.split call or
236			# a os.split call...
237			sval = str(self)
238			if sep is not None or ' ' in sval:
239			return sval.split(sep or ' ', maxsplit)
240			return os.path.split(self)
241
242			def parts(self):
243			res = re.split(r"\\\|/", self)
244			if res and os.path.splitdrive(res[0]) == (res[0], ''):
245			res[0] += os.path.sep
246			return res
247
248			def parent_iter(self):
249			parts = self.abspath().normpath().normcase().parts()
250			for i in range(1, len(parts)):
251			yield Path(os.path.join(*parts[:-i]))
252
253			@property
254			def parents(self):
255			return list(self.parent_iter())
256
257			@property
258			def parent(self):
259			return self.parents[0]
260
261			@doc(os.path.splitdrive)
262			def splitdrive(self):
263			drive, pth = os.path.splitdrive(self)
264			return drive, Path(pth)
265
266			@doc(os.path.splitext)
267			def splitext(self):
268			return os.path.splitext(self)
269
270			@property
271			def ext(self):
272			return self.splitext()[1]
273
274			if hasattr(os.path, 'splitunc'): # pragma: nocover
275			@doc(os.path.splitunc)
276			def splitunc(self):
277			return os.path.splitunc(self)
278
279			@doc(os.access)
280			def access(self, args, *kw):
281			return os.access(self, args, *kw)
282
283			@doc(os.chdir)
284			def chdir(self):
285			return os.chdir(self)
286
287			@contextmanager
288			def cd(self):
289			cwd = os.getcwd()
290			try:
291			self.chdir()
292			yield self
293			finally:
294			os.chdir(cwd)
295
296			@doc(os.chmod)
297			def chmod(self, args, *kw):
298			return os.chmod(self, args, *kw)
299
300			@doc(os.listdir)
301			def listdir(self):
302			return [Path(p) for p in os.listdir(self)]
303
304			def list(self, filterfn=lambda x: True):
305			"""Return all direct descendands of directory `self` for which
306			`filterfn` returns True.
307			"""
308			return [self / p for p in self.listdir() if filterfn(self / p)]
309
310			def subdirs(self):
311			"""Return all direct sub-directories.
312			"""
313			return self.list(lambda p: p.isdir())
314
315			def files(self):
316			"""Return all files in directory.
317			"""
318			return self.list(lambda p: p.isfile())
319
320			@doc(os.lstat)
321			def lstat(self):
322			return os.lstat(self)
323
324			@doc(os.makedirs)
325			def makedirs(self, path=None, mode=0777):
326			pth = os.path.join(self, path) if path else self
327			try:
328			os.makedirs(pth, mode)
329			except OSError:
330			pass
331			return Path(pth)
332
333			@doc(os.mkdir)
334			def mkdir(self, path, mode=0777):
335			pth = os.path.join(self, path)
336			os.mkdir(pth, mode)
337			return Path(pth)
338
339			@doc(os.remove)
340			def remove(self):
341			return os.remove(self)
342
343			@doc(os.removedirs)
344			def removedirs(self):
345			return os.removedirs(self)
346
347			@doc(os.rename)
348			def rename(self, args, *kw):
349			return os.rename(self, args, *kw)
350
351			@doc(os.renames)
352			def renames(self, args, *kw):
353			return os.renames(self, args, *kw)
354
355			@doc(os.rmdir)
356			def rmdir(self):
357			return os.rmdir(self)
358
359			if hasattr(os, 'startfile'): # pragma: nocover
360			@doc(os.startfile)
361			def startfile(self, args, *kw):
362			return os.startfile(self, args, *kw)
363
364			@doc(os.stat)
365			def stat(self, args, *kw):
366			return os.stat(self, args, *kw)
367
368			@doc(os.utime)
369			def utime(self, time=None):
370			os.utime(self, time)
371			return self.stat()
372
373			def __add__(self, other):
374			return Path(str(self) + str(other))
375
376
377			@contextmanager
378			def cd(pth):
379			cwd = os.getcwd()
380			try:
381			os.chdir(pth)
382			yield
383			finally:
384			os.chdir(cwd)
385

datakortet / dkfileutils

Push — master ( c8d5b2...ff259f )

Path.curdir() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like