Python os.path 模块，split() 实例源码
我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用os.path.split()。
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _by_version_descending(names):
"""
Given a list of filenames, return them in descending order
by version number.
>>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'
>>> _by_version_descending(names)
['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar']
>>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'
>>> _by_version_descending(names)
['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg']
>>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg'
>>> _by_version_descending(names)
['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg']
"""
def _by_version(name):
"""
Parse each component of the filename
"""
name, ext = os.path.splitext(name)
parts = itertools.chain(name.split('-'), [ext])
return [packaging.version.parse(part) for part in parts]
return sorted(names, key=_by_version, reverse=True)
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs = []
elif not evaluate_marker(marker):
reqs = []
extra = safe_extra(extra) or None
dm.setdefault(extra, []).extend(parse_requirements(reqs))
return dm
def run_script(self, script_name, namespace):
script = 'scripts/' + script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename, 'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def run_script(self, script_name, namespace):
script = 'scripts/' + script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename, 'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs = []
elif not evaluate_marker(marker):
reqs = []
extra = safe_extra(extra) or None
dm.setdefault(extra, []).extend(parse_requirements(reqs))
return dm
def run_script(self, script_name, namespace):
script = 'scripts/' + script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename, 'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def record(self):
"Begin screen grab recording"
if self.recFolder is None:
fldr = TkDialog(FOLDER, initialdir="./").run()
if fldr: self.recFolder = fldr
else: return
try:
param = TkDialog(str, "Enter recording " +
"parameters using one of these formats:\n" +
"fps\nfps w h\nfps x y w h", "Record", initialvalue="15").run()
param = [int(c) for c in param.split(" ") if c]
self.frameRate = param[0]
self.grab = Grabber(param[1:] if len(param) > 1 else None)
self.rec = []
vid = self.vid
if vid is not None:
self.vid = None
self -= vid
self._recordStart = time()
except: pass # Abort!
def parse(fn):
"""Parse a file name into a pattern; for example...
'img007.png' --> ('img{:03d}.png', 7)"""
path, fn = split(fn)
if not path: path = "."
ftype = fn.split(".")[-1]
fn = fn[:-1-len(ftype)]
n = None
i = 0
for c in fn:
if c in "0123456789":
n = i
break
else: i += 1
if n is None: return None
start = int(fn[n:])
if fn[n] == "0":
d = len(fn) - n
fn = fn[:n] + "{:0" + str(d) + "d}." + ftype
else:
fn = fn[:n] + "{}." + ftype
return path + "/" + fn, start
def detect_protocol_from_name(self, path):
pattern = "\d{4}(\d+|\D)\D"
codes = {
'r':'sparsenoise',
'o':'movingbar',
'f':'flashbar',
'm':'multistim' # here just for assertion
}
filename = path.split(path)[1]
match = re.search(pattern, path)
if hasattr(match, 'end') :
code = codes.get(path[match.end() - 1].lower(), None)
assert code != 'm', "multistim file detected"
return code
elif 'spt' in filename.lower() :
return 'spontaneousactivity'
else :
return None
def detect_protocol_from_name(self, path):
pattern = "\d{4}(\d+|\D)\D"
codes = {
'r':'sparsenoise',
'o':'movingbar',
'f':'flashbar',
'm':'multistim' # here just for assertion
}
filename = path.split(path)[1]
match = re.search(pattern, path)
if hasattr(match, 'end') :
code = codes.get(path[match.end() - 1].lower(), None)
assert code != 'm', "multistim file detected"
return code
elif 'spt' in filename.lower() :
return 'spontaneousactivity'
else :
return None
def _macosx_vers(_cache=[]):
if not _cache:
import platform
version = platform.mac_ver()[0]
# fallback for MacPorts
if version == '':
import plistlib
plist = '/System/Library/CoreServices/SystemVersion.plist'
if os.path.exists(plist):
if hasattr(plistlib, 'readPlist'):
plist_content = plistlib.readPlist(plist)
if 'ProductVersion' in plist_content:
version = plist_content['ProductVersion']
_cache.append(version.split('.'))
return _cache[0]
def run_script(self,script_name,namespace):
script = 'scripts/'+script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n','\n')
script_text = script_text.replace('\r','\n')
script_filename = self._fn(self.egg_info,script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
execfile(script_filename, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text,script_filename,'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra,reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':',1)
if invalid_marker(marker):
reqs=[] # XXX warn
elif not evaluate_marker(marker):
reqs=[]
extra = safe_extra(extra) or None
dm.setdefault(extra,[]).extend(parse_requirements(reqs))
return dm
def _macosx_vers(_cache=[]):
if not _cache:
import platform
version = platform.mac_ver()[0]
# fallback for MacPorts
if version == '':
import plistlib
plist = '/System/Library/CoreServices/SystemVersion.plist'
if os.path.exists(plist):
if hasattr(plistlib, 'readPlist'):
plist_content = plistlib.readPlist(plist)
if 'ProductVersion' in plist_content:
version = plist_content['ProductVersion']
_cache.append(version.split('.'))
return _cache[0]
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra,reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':',1)
if invalid_marker(marker):
reqs=[] # XXX warn
elif not evaluate_marker(marker):
reqs=[]
extra = safe_extra(extra) or None
dm.setdefault(extra,[]).extend(parse_requirements(reqs))
return dm
def run_script(self, script_name, namespace):
script = 'scripts/' + script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename, 'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _by_version_descending(names):
"""
Given a list of filenames, return them in descending order
by version number.
>>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'
>>> _by_version_descending(names)
['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar']
>>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'
>>> _by_version_descending(names)
['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg']
>>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg'
>>> _by_version_descending(names)
['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg']
"""
def _by_version(name):
"""
Parse each component of the filename
"""
name, ext = os.path.splitext(name)
parts = itertools.chain(name.split('-'), [ext])
return [packaging.version.parse(part) for part in parts]
return sorted(names, key=_by_version, reverse=True)
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs = []
elif not evaluate_marker(marker):
reqs = []
extra = safe_extra(extra) or None
dm.setdefault(extra, []).extend(parse_requirements(reqs))
return dm
def which_file(fname):
"""prints paths for fname where fname can be found,
in case of .dll loads it"""
files = []
path = win32api.GetEnvironmentVariable('PATH')
# try paths as described in MSDN
dirs = [os.getcwd(), win32api.GetSystemDirectory(), win32api.GetWindowsDirectory()] + path.split(';')
dirs_norm = []
dirs_l = []
for d in dirs:
dn = d.lower()
if dn not in dirs_l:
dirs_l.append(dn)
dirs_norm.append(d)
for d in dirs_norm:
fname2 = os.path.join(d, fname)
if os.path.exists(fname2):
if fname2 not in files:
files.append(fname2)
if files:
print('\n'.join([get_file_info(f) for f in files]))
h = 0
if fname.lower().endswith('.dll'):
print('\ttrying to load "%s" ...' % (fname))
try:
h = win32api.LoadLibrary(fname)
if h:
dll_name = win32api.GetModuleFileName(h)
print('\t%s loaded' % (dll_name))
except:
print('\tCannot load "%s" !!!' % (fname))
def handle_show(self):
if self.isalive():
sfile_bufnr = self.vimx.buffer_add(self.get_confpath())
self.vimx.command('exe "tab drop ".escape(bufname({0}), "$%# ")'
.format(sfile_bufnr))
json_str = json.dumps(self.state, indent=4, separators=(',', ': '))
def json_show(b):
if b.number == sfile_bufnr:
b[:] = json_str.split('\n')
raise StopIteration
self.vimx.map_buffers(json_show)
if self.help_flags["new"] and self.help_flags["session_show"]:
self.vimx.log(
'Save this file, and do `:GGsession reload` to load any changes made.')
self.help_flags["session_show"] = False
else:
self.vimx.log("No active session.")
def run_script(self, script_name, namespace):
script = 'scripts/'+script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename,'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _rebuild_mod_path(orig_path, package_name, module):
"""
Rebuild module.__path__ ensuring that all entries are ordered
corresponding to their sys.path order
"""
sys_path = [_normalize_cached(p) for p in sys.path]
def position_in_sys_path(path):
"""
Return the ordinal of the path based on its position in sys.path
"""
path_parts = path.split(os.sep)
module_parts = package_name.count('.') + 1
parts = path_parts[:-module_parts]
return sys_path.index(_normalize_cached(os.sep.join(parts)))
orig_path.sort(key=position_in_sys_path)
module.__path__[:] = [_normalize_cached(p) for p in orig_path]
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs=[]
elif not evaluate_marker(marker):
reqs=[]
extra = safe_extra(extra) or None
dm.setdefault(extra,[]).extend(parse_requirements(reqs))
return dm
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs = []
elif not evaluate_marker(marker):
reqs = []
extra = safe_extra(extra) or None
dm.setdefault(extra, []).extend(parse_requirements(reqs))
return dm
def run_script(self, script_name, namespace):
script = 'scripts/'+script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename,'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _rebuild_mod_path(orig_path, package_name, module):
"""
Rebuild module.__path__ ensuring that all entries are ordered
corresponding to their sys.path order
"""
sys_path = [_normalize_cached(p) for p in sys.path]
def position_in_sys_path(path):
"""
Return the ordinal of the path based on its position in sys.path
"""
path_parts = path.split(os.sep)
module_parts = package_name.count('.') + 1
parts = path_parts[:-module_parts]
return sys_path.index(_normalize_cached(os.sep.join(parts)))
orig_path.sort(key=position_in_sys_path)
module.__path__[:] = [_normalize_cached(p) for p in orig_path]
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs=[]
elif not evaluate_marker(marker):
reqs=[]
extra = safe_extra(extra) or None
dm.setdefault(extra,[]).extend(parse_requirements(reqs))
return dm
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)
def _dep_map(self):
try:
return self.__dep_map
except AttributeError:
dm = self.__dep_map = {None: []}
for name in 'requires.txt', 'depends.txt':
for extra, reqs in split_sections(self._get_metadata(name)):
if extra:
if ':' in extra:
extra, marker = extra.split(':', 1)
if invalid_marker(marker):
# XXX warn
reqs=[]
elif not evaluate_marker(marker):
reqs=[]
extra = safe_extra(extra) or None
dm.setdefault(extra,[]).extend(parse_requirements(reqs))
return dm
def run_script(self, script_name, namespace):
script = 'scripts/'+script_name
if not self.has_metadata(script):
raise ResolutionError("No script named %r" % script_name)
script_text = self.get_metadata(script).replace('\r\n', '\n')
script_text = script_text.replace('\r', '\n')
script_filename = self._fn(self.egg_info, script)
namespace['__file__'] = script_filename
if os.path.exists(script_filename):
source = open(script_filename).read()
code = compile(source, script_filename, 'exec')
exec(code, namespace, namespace)
else:
from linecache import cache
cache[script_filename] = (
len(script_text), 0, script_text.split('\n'), script_filename
)
script_code = compile(script_text, script_filename,'exec')
exec(script_code, namespace, namespace)
def _index(self):
try:
return self._dirindex
except AttributeError:
ind = {}
for path in self.zipinfo:
parts = path.split(os.sep)
while parts:
parent = os.sep.join(parts[:-1])
if parent in ind:
ind[parent].append(parts[-1])
break
else:
ind[parent] = [parts.pop()]
self._dirindex = ind
return ind
def _rebuild_mod_path(orig_path, package_name, module):
"""
Rebuild module.__path__ ensuring that all entries are ordered
corresponding to their sys.path order
"""
sys_path = [_normalize_cached(p) for p in sys.path]
def position_in_sys_path(path):
"""
Return the ordinal of the path based on its position in sys.path
"""
path_parts = path.split(os.sep)
module_parts = package_name.count('.') + 1
parts = path_parts[:-module_parts]
return sys_path.index(_normalize_cached(os.sep.join(parts)))
orig_path.sort(key=position_in_sys_path)
module.__path__[:] = [_normalize_cached(p) for p in orig_path]
def parse(cls, src, dist=None):
"""Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
"""
m = cls.pattern.match(src)
if not m:
msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
raise ValueError(msg, src)
res = m.groupdict()
extras = cls._parse_extras(res['extras'])
attrs = res['attr'].split('.') if res['attr'] else ()
return cls(res['name'], res['module'], attrs, extras, dist)