Path.__iter__() - Code Metrics - Inspection of "Add rmtree function from shutil module." - datakortet/dkfileutils - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 5f68ae...c3dae1 )

by Bjorn

created 2016-04-28 18:54 UTC

Path.iter() C

↳ Parent: Project

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	9
c	1
b	0
f	0
dl	0
loc	10
rs	6.4615

# -*- 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):
        shutil.rmtree(self)

    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))

    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):
        return re.split(r"\\|/", self)

    @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):
60			shutil.rmtree(self)
61
62			def glob(self, pat):
63			"""`pat` can be an extended glob pattern, e.g. `'*/.less'`
64			This code handles negations similarly to node.js' minimatch, i.e.
65			a leading `!` will negate the entire pattern.
66			"""
67			r = ""
68			negate = int(pat.startswith('!'))
69			i = negate
70
71			while i < len(pat):
72			if pat[i:i + 3] == '**/':
73			r += "(?:.*/)?"
74			i += 3
75			elif pat[i] == "*":
76			r += "[^/]*"
77			i += 1
78			elif pat[i] == ".":
79			r += "[.]"
80			i += 1
81			elif pat[i] == "?":
82			r += "."
83			i += 1
84			else:
85			r += pat[i]
86			i += 1
87			r += r'\Z(?ms)'
88			# print '\n\npat', pat
89			# print 'regex:', r
90			# print [s.relpath(self).replace('\\', '/') for s in self]
91			rx = re.compile(r)
92
93			def match(d):
94			m = rx.match(d)
95			return not m if negate else m
96
97			return [s for s in self if match(s.relpath(self).replace('\\', '/'))]
98
99			@doc(os.path.abspath)
100			def abspath(self):
101			return Path(os.path.abspath(self))
102
103			def drive(self):
104			"""Return the drive of `self`.
105			"""
106			return self.splitdrive()[0]
107
108			def drivepath(self):
109			"""The path local to this drive (i.e. remove drive letter).
110			"""
111			return self.splitdrive()[1]
112
113			@doc(os.path.basename)
114			def basename(self):
115			return Path(os.path.basename(self))
116
117			@doc(os.path.commonprefix)
118			def commonprefix(self, *args):
119			return os.path.commonprefix([str(self)] + [str(a) for a in args])
120
121			@doc(os.path.dirname)
122			def dirname(self):
123			return Path(os.path.dirname(self))
124
125			@doc(os.path.exists)
126			def exists(self):
127			return os.path.exists(self)
128
129			@doc(os.path.expanduser)
130			def expanduser(self):
131			return Path(os.path.expanduser(self))
132
133			@doc(os.path.expandvars)
134			def expandvars(self):
135			return Path(os.path.expandvars(self))
136
137			@doc(os.path.getatime)
138			def getatime(self):
139			return os.path.getatime(self)
140
141			@doc(os.path.getctime)
142			def getctime(self):
143			return os.path.getctime(self)
144
145			@doc(os.path.getmtime)
146			def getmtime(self):
147			return os.path.getmtime(self)
148
149			@doc(os.path.getsize)
150			def getsize(self):
151			return os.path.getsize(self)
152
153			@doc(os.path.isabs)
154			def isabs(self):
155			return os.path.isabs(self)
156
157			@doc(os.path.isdir)
158			def isdir(self, args, *kw):
159			return os.path.isdir(self, args, *kw)
160
161			@doc(os.path.isfile)
162			def isfile(self):
163			return os.path.isfile(self)
164
165			@doc(os.path.islink)
166			def islink(self):
167			return os.path.islink(self)
168
169			@doc(os.path.ismount)
170			def ismount(self):
171			return os.path.ismount(self)
172
173			@doc(os.path.join)
174			def join(self, *args):
175			return Path(os.path.join(self, *args))
176
177			@doc(os.path.lexists)
178			def lexists(self):
179			return os.path.lexists(self)
180
181			@doc(os.path.normcase)
182			def normcase(self):
183			return Path(os.path.normcase(self))
184
185			@doc(os.path.normpath)
186			def normpath(self):
187			return Path(os.path.normpath(str(self)))
188
189			@doc(os.path.realpath)
190			def realpath(self):
191			return Path(os.path.realpath(self))
192
193			@doc(os.path.relpath)
194			def relpath(self, other=""):
195			return Path(os.path.relpath(str(self), str(other)))
196
197			@doc(os.path.split)
198			def split(self, sep=None, maxsplit=-1):
199			# some heuristics to determine if this is a str.split call or
200			# a os.split call...
201			sval = str(self)
202			if sep is not None or ' ' in sval:
203			return sval.split(sep or ' ', maxsplit)
204			return os.path.split(self)
205
206			def parts(self):
207			return re.split(r"\\\|/", self)
208
209			@doc(os.path.splitdrive)
210			def splitdrive(self):
211			drive, pth = os.path.splitdrive(self)
212			return drive, Path(pth)
213
214			@doc(os.path.splitext)
215			def splitext(self):
216			return os.path.splitext(self)
217
218			@property
219			def ext(self):
220			return self.splitext()[1]
221
222			if hasattr(os.path, 'splitunc'): # pragma: nocover
223			@doc(os.path.splitunc)
224			def splitunc(self):
225			return os.path.splitunc(self)
226
227			@doc(os.access)
228			def access(self, args, *kw):
229			return os.access(self, args, *kw)
230
231			@doc(os.chdir)
232			def chdir(self):
233			return os.chdir(self)
234
235			@contextmanager
236			def cd(self):
237			cwd = os.getcwd()
238			try:
239			self.chdir()
240			yield self
241			finally:
242			os.chdir(cwd)
243
244			@doc(os.chmod)
245			def chmod(self, args, *kw):
246			return os.chmod(self, args, *kw)
247
248			@doc(os.listdir)
249			def listdir(self):
250			return [Path(p) for p in os.listdir(self)]
251
252			def list(self, filterfn=lambda x: True):
253			"""Return all direct descendands of directory `self` for which
254			`filterfn` returns True.
255			"""
256			return [self / p for p in self.listdir() if filterfn(self / p)]
257
258			def subdirs(self):
259			"""Return all direct sub-directories.
260			"""
261			return self.list(lambda p: p.isdir())
262
263			def files(self):
264			"""Return all files in directory.
265			"""
266			return self.list(lambda p: p.isfile())
267
268			@doc(os.lstat)
269			def lstat(self):
270			return os.lstat(self)
271
272			@doc(os.makedirs)
273			def makedirs(self, path=None, mode=0777):
274			pth = os.path.join(self, path) if path else self
275			try:
276			os.makedirs(pth, mode)
277			except OSError:
278			pass
279			return Path(pth)
280
281			@doc(os.mkdir)
282			def mkdir(self, path, mode=0777):
283			pth = os.path.join(self, path)
284			os.mkdir(pth, mode)
285			return Path(pth)
286
287			@doc(os.remove)
288			def remove(self):
289			return os.remove(self)
290
291			@doc(os.removedirs)
292			def removedirs(self):
293			return os.removedirs(self)
294
295			@doc(os.rename)
296			def rename(self, args, *kw):
297			return os.rename(self, args, *kw)
298
299			@doc(os.renames)
300			def renames(self, args, *kw):
301			return os.renames(self, args, *kw)
302
303			@doc(os.rmdir)
304			def rmdir(self):
305			return os.rmdir(self)
306
307			if hasattr(os, 'startfile'): # pragma: nocover
308			@doc(os.startfile)
309			def startfile(self, args, *kw):
310			return os.startfile(self, args, *kw)
311
312			@doc(os.stat)
313			def stat(self, args, *kw):
314			return os.stat(self, args, *kw)
315
316			@doc(os.utime)
317			def utime(self, time=None):
318			os.utime(self, time)
319			return self.stat()
320
321			def __add__(self, other):
322			return Path(str(self) + str(other))
323

datakortet / dkfileutils

Push — master ( 5f68ae...c3dae1 )

Path.__iter__() C

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Path.iter() C