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

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Push — master ( c3dae1...b09cff )

by Bjorn

created 2016-04-29 20:08 UTC

Path.parents() A

↳ Parent: Project

Complexity

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Total Lines

Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	1
dl	0
loc	3
rs	10

# -*- 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):
        return [d.relpath(self) for d in self.glob('**/*')]

    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))


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			return [d.relpath(self) for d in self.glob('*/')]
67
68			def glob(self, pat):
69			"""`pat` can be an extended glob pattern, e.g. `'*/.less'`
70			This code handles negations similarly to node.js' minimatch, i.e.
71			a leading `!` will negate the entire pattern.
72			"""
73			r = ""
74			negate = int(pat.startswith('!'))
75			i = negate
76
77			while i < len(pat):
78			if pat[i:i + 3] == '**/':
79			r += "(?:.*/)?"
80			i += 3
81			elif pat[i] == "*":
82			r += "[^/]*"
83			i += 1
84			elif pat[i] == ".":
85			r += "[.]"
86			i += 1
87			elif pat[i] == "?":
88			r += "."
89			i += 1
90			else:
91			r += pat[i]
92			i += 1
93			r += r'\Z(?ms)'
94			# print '\n\npat', pat
95			# print 'regex:', r
96			# print [s.relpath(self).replace('\\', '/') for s in self]
97			rx = re.compile(r)
98
99			def match(d):
100			m = rx.match(d)
101			return not m if negate else m
102
103			return [s for s in self if match(s.relpath(self).replace('\\', '/'))]
104
105			@doc(os.path.abspath)
106			def abspath(self):
107			return Path(os.path.abspath(self))
108			absolute = abspath # pathlib
109
110			def drive(self):
111			"""Return the drive of `self`.
112			"""
113			return self.splitdrive()[0]
114
115			def drivepath(self):
116			"""The path local to this drive (i.e. remove drive letter).
117			"""
118			return self.splitdrive()[1]
119
120			@doc(os.path.basename)
121			def basename(self):
122			return Path(os.path.basename(self))
123
124			@doc(os.path.commonprefix)
125			def commonprefix(self, *args):
126			return os.path.commonprefix([str(self)] + [str(a) for a in args])
127
128			@doc(os.path.dirname)
129			def dirname(self):
130			return Path(os.path.dirname(self))
131
132			@doc(os.path.exists)
133			def exists(self):
134			return os.path.exists(self)
135
136			@doc(os.path.expanduser)
137			def expanduser(self):
138			return Path(os.path.expanduser(self))
139
140			@doc(os.path.expandvars)
141			def expandvars(self):
142			return Path(os.path.expandvars(self))
143
144			@doc(os.path.getatime)
145			def getatime(self):
146			return os.path.getatime(self)
147
148			@doc(os.path.getctime)
149			def getctime(self):
150			return os.path.getctime(self)
151
152			@doc(os.path.getmtime)
153			def getmtime(self):
154			return os.path.getmtime(self)
155
156			@doc(os.path.getsize)
157			def getsize(self):
158			return os.path.getsize(self)
159
160			@doc(os.path.isabs)
161			def isabs(self):
162			return os.path.isabs(self)
163
164			@doc(os.path.isdir)
165			def isdir(self, args, *kw):
166			return os.path.isdir(self, args, *kw)
167
168			@doc(os.path.isfile)
169			def isfile(self):
170			return os.path.isfile(self)
171
172			@doc(os.path.islink)
173			def islink(self):
174			return os.path.islink(self)
175
176			@doc(os.path.ismount)
177			def ismount(self):
178			return os.path.ismount(self)
179
180			@doc(os.path.join)
181			def join(self, *args):
182			return Path(os.path.join(self, *args))
183
184			@doc(os.path.lexists)
185			def lexists(self):
186			return os.path.lexists(self)
187
188			@doc(os.path.normcase)
189			def normcase(self):
190			return Path(os.path.normcase(self))
191
192			@doc(os.path.normpath)
193			def normpath(self):
194			return Path(os.path.normpath(str(self)))
195
196			@doc(os.path.realpath)
197			def realpath(self):
198			return Path(os.path.realpath(self))
199
200			@doc(os.path.relpath)
201			def relpath(self, other=""):
202			return Path(os.path.relpath(str(self), str(other)))
203
204			@doc(os.path.split)
205			def split(self, sep=None, maxsplit=-1):
206			# some heuristics to determine if this is a str.split call or
207			# a os.split call...
208			sval = str(self)
209			if sep is not None or ' ' in sval:
210			return sval.split(sep or ' ', maxsplit)
211			return os.path.split(self)
212
213			def parts(self):
214			res = re.split(r"\\\|/", self)
215			if res and os.path.splitdrive(res[0]) == (res[0], ''):
216			res[0] += os.path.sep
217			return res
218
219			def parent_iter(self):
220			parts = self.abspath().normpath().normcase().parts()
221			for i in range(1, len(parts)):
222			yield Path(os.path.join(*parts[:-i]))
223
224			@property
225			def parents(self):
226			return list(self.parent_iter())
227
228			@property
229			def parent(self):
230			return self.parents[0]
231
232			@doc(os.path.splitdrive)
233			def splitdrive(self):
234			drive, pth = os.path.splitdrive(self)
235			return drive, Path(pth)
236
237			@doc(os.path.splitext)
238			def splitext(self):
239			return os.path.splitext(self)
240
241			@property
242			def ext(self):
243			return self.splitext()[1]
244
245			if hasattr(os.path, 'splitunc'): # pragma: nocover
246			@doc(os.path.splitunc)
247			def splitunc(self):
248			return os.path.splitunc(self)
249
250			@doc(os.access)
251			def access(self, args, *kw):
252			return os.access(self, args, *kw)
253
254			@doc(os.chdir)
255			def chdir(self):
256			return os.chdir(self)
257
258			@contextmanager
259			def cd(self):
260			cwd = os.getcwd()
261			try:
262			self.chdir()
263			yield self
264			finally:
265			os.chdir(cwd)
266
267			@doc(os.chmod)
268			def chmod(self, args, *kw):
269			return os.chmod(self, args, *kw)
270
271			@doc(os.listdir)
272			def listdir(self):
273			return [Path(p) for p in os.listdir(self)]
274
275			def list(self, filterfn=lambda x: True):
276			"""Return all direct descendands of directory `self` for which
277			`filterfn` returns True.
278			"""
279			return [self / p for p in self.listdir() if filterfn(self / p)]
280
281			def subdirs(self):
282			"""Return all direct sub-directories.
283			"""
284			return self.list(lambda p: p.isdir())
285
286			def files(self):
287			"""Return all files in directory.
288			"""
289			return self.list(lambda p: p.isfile())
290
291			@doc(os.lstat)
292			def lstat(self):
293			return os.lstat(self)
294
295			@doc(os.makedirs)
296			def makedirs(self, path=None, mode=0777):
297			pth = os.path.join(self, path) if path else self
298			try:
299			os.makedirs(pth, mode)
300			except OSError:
301			pass
302			return Path(pth)
303
304			@doc(os.mkdir)
305			def mkdir(self, path, mode=0777):
306			pth = os.path.join(self, path)
307			os.mkdir(pth, mode)
308			return Path(pth)
309
310			@doc(os.remove)
311			def remove(self):
312			return os.remove(self)
313
314			@doc(os.removedirs)
315			def removedirs(self):
316			return os.removedirs(self)
317
318			@doc(os.rename)
319			def rename(self, args, *kw):
320			return os.rename(self, args, *kw)
321
322			@doc(os.renames)
323			def renames(self, args, *kw):
324			return os.renames(self, args, *kw)
325
326			@doc(os.rmdir)
327			def rmdir(self):
328			return os.rmdir(self)
329
330			if hasattr(os, 'startfile'): # pragma: nocover
331			@doc(os.startfile)
332			def startfile(self, args, *kw):
333			return os.startfile(self, args, *kw)
334
335			@doc(os.stat)
336			def stat(self, args, *kw):
337			return os.stat(self, args, *kw)
338
339			@doc(os.utime)
340			def utime(self, time=None):
341			os.utime(self, time)
342			return self.stat()
343
344			def __add__(self, other):
345			return Path(str(self) + str(other))
346

datakortet / dkfileutils

Push — master ( c3dae1...b09cff )

Path.parents() A

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