dkfileutils.Path.lexists() - Code Metrics - Inspection of "add missing tests, update yamldirs." - datakortet/dkfileutils - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8f3e72...b93e94 )

by Bjorn

created 2016-02-29 12:33 UTC

dkfileutils.Path.lexists() A

↳ Parent: dkfileutils.Path

Complexity

Conditions

Size

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


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)

    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
13
14			def doc(srcfn):
15			def decorator(fn):
16			fn.__doc__ = srcfn.__doc__.replace(srcfn.__name__, fn.__name__)
17			return fn
18			return decorator
19
20
21			class Path(str):
22			"""Poor man's pathlib.
23			"""
24
25			def __div__(self, other):
26			return Path(
27			os.path.normcase(
28			os.path.normpath(
29			os.path.join(self, other)
30			)
31			)
32			)
33
34			@doc(os.unlink)
35			def unlink(self):
36			os.unlink(self)
37
38			def open(self, mode='r'):
39			return open(self, mode)
40
41			def __iter__(self):
42			for root, dirs, files in os.walk(self):
43			dotdirs = [d for d in dirs if d.startswith('.')]
44			for d in dotdirs:
45			dirs.remove(d)
46			dotfiles = [d for d in files if d.startswith('.')]
47			for d in dotfiles:
48			files.remove(d)
49			for fname in files:
50			yield Path(os.path.join(root, fname))
51
52			def __contains__(self, item):
53			if self.isdir():
54			return item in self.listdir()
55			super(Path, self).__contains__(item)
56
57			def glob(self, pat):
58			"""`pat` can be an extended glob pattern, e.g. `'*/.less'`
59			This code handles negations similarly to node.js' minimatch, i.e.
60			a leading `!` will negate the entire pattern.
61			"""
62			r = ""
63			negate = int(pat.startswith('!'))
64			i = negate
65
66			while i < len(pat):
67			if pat[i:i + 3] == '**/':
68			r += "(?:.*/)?"
69			i += 3
70			elif pat[i] == "*":
71			r += "[^/]*"
72			i += 1
73			elif pat[i] == ".":
74			r += "[.]"
75			i += 1
76			elif pat[i] == "?":
77			r += "."
78			i += 1
79			else:
80			r += pat[i]
81			i += 1
82			r += r'\Z(?ms)'
83			# print '\n\npat', pat
84			# print 'regex:', r
85			# print [s.relpath(self).replace('\\', '/') for s in self]
86			rx = re.compile(r)
87
88			def match(d):
89			m = rx.match(d)
90			return not m if negate else m
91
92			return [s for s in self if match(s.relpath(self).replace('\\', '/'))]
93
94			@doc(os.path.abspath)
95			def abspath(self):
96			return Path(os.path.abspath(self))
97
98			def drive(self):
99			"""Return the drive of `self`.
100			"""
101			return self.splitdrive()[0]
102
103			def drivepath(self):
104			"""The path local to this drive (i.e. remove drive letter).
105			"""
106			return self.splitdrive()[1]
107
108			@doc(os.path.basename)
109			def basename(self):
110			return Path(os.path.basename(self))
111
112			@doc(os.path.commonprefix)
113			def commonprefix(self, *args):
114			return os.path.commonprefix([str(self)] + [str(a) for a in args])
115
116			@doc(os.path.dirname)
117			def dirname(self):
118			return Path(os.path.dirname(self))
119
120			@doc(os.path.exists)
121			def exists(self):
122			return os.path.exists(self)
123
124			@doc(os.path.expanduser)
125			def expanduser(self):
126			return Path(os.path.expanduser(self))
127
128			@doc(os.path.expandvars)
129			def expandvars(self):
130			return Path(os.path.expandvars(self))
131
132			@doc(os.path.getatime)
133			def getatime(self):
134			return os.path.getatime(self)
135
136			@doc(os.path.getctime)
137			def getctime(self):
138			return os.path.getctime(self)
139
140			@doc(os.path.getmtime)
141			def getmtime(self):
142			return os.path.getmtime(self)
143
144			@doc(os.path.getsize)
145			def getsize(self):
146			return os.path.getsize(self)
147
148			@doc(os.path.isabs)
149			def isabs(self):
150			return os.path.isabs(self)
151
152			@doc(os.path.isdir)
153			def isdir(self, args, *kw):
154			return os.path.isdir(self, args, *kw)
155
156			@doc(os.path.isfile)
157			def isfile(self):
158			return os.path.isfile(self)
159
160			@doc(os.path.islink)
161			def islink(self):
162			return os.path.islink(self)
163
164			@doc(os.path.ismount)
165			def ismount(self):
166			return os.path.ismount(self)
167
168			@doc(os.path.join)
169			def join(self, *args):
170			return Path(os.path.join(self, *args))
171
172			@doc(os.path.lexists)
173			def lexists(self):
174			return os.path.lexists(self)
175
176			@doc(os.path.normcase)
177			def normcase(self):
178			return Path(os.path.normcase(self))
179
180			@doc(os.path.normpath)
181			def normpath(self):
182			return Path(os.path.normpath(str(self)))
183
184			@doc(os.path.realpath)
185			def realpath(self):
186			return Path(os.path.realpath(self))
187
188			@doc(os.path.relpath)
189			def relpath(self, other=""):
190			return Path(os.path.relpath(str(self), str(other)))
191
192			@doc(os.path.split)
193			def split(self, sep=None, maxsplit=-1):
194			# some heuristics to determine if this is a str.split call or
195			# a os.split call...
196			sval = str(self)
197			if sep is not None or ' ' in sval:
198			return sval.split(sep or ' ', maxsplit)
199			return os.path.split(self)
200
201			def parts(self):
202			return re.split(r"\\\|/", self)
203
204			@doc(os.path.splitdrive)
205			def splitdrive(self):
206			drive, pth = os.path.splitdrive(self)
207			return drive, Path(pth)
208
209			@doc(os.path.splitext)
210			def splitext(self):
211			return os.path.splitext(self)
212
213			@property
214			def ext(self):
215			return self.splitext()[1]
216
217			if hasattr(os.path, 'splitunc'): # pragma: nocover
218			@doc(os.path.splitunc)
219			def splitunc(self):
220			return os.path.splitunc(self)
221
222			@doc(os.access)
223			def access(self, args, *kw):
224			return os.access(self, args, *kw)
225
226			@doc(os.chdir)
227			def chdir(self):
228			return os.chdir(self)
229
230			@contextmanager
231			def cd(self):
232			cwd = os.getcwd()
233			try:
234			self.chdir()
235			yield self
236			finally:
237			os.chdir(cwd)
238
239			@doc(os.chmod)
240			def chmod(self, args, *kw):
241			return os.chmod(self, args, *kw)
242
243			@doc(os.listdir)
244			def listdir(self):
245			return [Path(p) for p in os.listdir(self)]
246
247			def list(self, filterfn=lambda x: True):
248			"""Return all direct descendands of directory `self` for which
249			`filterfn` returns True.
250			"""
251			return [self / p for p in self.listdir() if filterfn(self / p)]
252
253			def subdirs(self):
254			"""Return all direct sub-directories.
255			"""
256			return self.list(lambda p: p.isdir())
257
258			def files(self):
259			"""Return all files in directory.
260			"""
261			return self.list(lambda p: p.isfile())
262
263			@doc(os.lstat)
264			def lstat(self):
265			return os.lstat(self)
266
267			@doc(os.makedirs)
268			def makedirs(self, path=None, mode=0777):
269			pth = os.path.join(self, path) if path else self
270			try:
271			os.makedirs(pth, mode)
272			except OSError:
273			pass
274			return Path(pth)
275
276			@doc(os.mkdir)
277			def mkdir(self, path, mode=0777):
278			pth = os.path.join(self, path)
279			os.mkdir(pth, mode)
280			return Path(pth)
281
282			@doc(os.remove)
283			def remove(self):
284			return os.remove(self)
285
286			@doc(os.removedirs)
287			def removedirs(self):
288			return os.removedirs(self)
289
290			@doc(os.rename)
291			def rename(self, args, *kw):
292			return os.rename(self, args, *kw)
293
294			@doc(os.renames)
295			def renames(self, args, *kw):
296			return os.renames(self, args, *kw)
297
298			@doc(os.rmdir)
299			def rmdir(self):
300			return os.rmdir(self)
301
302			if hasattr(os, 'startfile'): # pragma: nocover
303			@doc(os.startfile)
304			def startfile(self, args, *kw):
305			return os.startfile(self, args, *kw)
306
307			@doc(os.stat)
308			def stat(self, args, *kw):
309			return os.stat(self, args, *kw)
310
311			@doc(os.utime)
312			def utime(self, time=None):
313			os.utime(self, time)
314			return self.stat()
315
316			def __add__(self, other):
317			return Path(str(self) + str(other))
318

datakortet / dkfileutils

Push — master ( 8f3e72...b93e94 )

dkfileutils.Path.lexists() A

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