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)
python类cache()的实例源码
def __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key]=1
yield self.by_key[key]
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 __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key]=1
yield self.by_key[key]
def get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name+'-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
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 get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name+'-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
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 __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key]=1
yield self.by_key[key]
def get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name+'-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
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 __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key] = 1
yield self.by_key[key]
def get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name + '-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
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 __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key] = 1
yield self.by_key[key]
def get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name + '-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
def __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key]=1
yield self.by_key[key]
def get_cache_path(self, archive_name, names=()):
"""Return absolute location in cache for `archive_name` and `names`
The parent directory of the resulting path will be created if it does
not already exist. `archive_name` should be the base filename of the
enclosing egg (which may not be the name of the enclosing zipfile!),
including its ".egg" extension. `names`, if provided, should be a
sequence of path name parts "under" the egg's extraction location.
This method should only be called by resource providers that need to
obtain an extraction location, and only for names they intend to
extract, as it tracks the generated names for possible cleanup later.
"""
extract_path = self.extraction_path or get_default_cache()
target_path = os.path.join(extract_path, archive_name+'-tmp', *names)
try:
_bypass_ensure_directory(target_path)
except:
self.extraction_error()
self._warn_unsafe_extraction_path(extract_path)
self.cached_files[target_path] = 1
return target_path
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 __iter__(self):
"""Yield distributions for non-duplicate projects in the working set
The yield order is the order in which the items' path entries were
added to the working set.
"""
seen = {}
for item in self.entries:
if item not in self.entry_keys:
# workaround a cache issue
continue
for key in self.entry_keys[item]:
if key not in seen:
seen[key]=1
yield self.by_key[key]
