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8,200 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.prune | def prune(self, objs=None):
"""
Clean up objects not referenced by any packages. Try to prune all
objects by default.
"""
if objs is None:
objdir = os.path.join(self._path, self.OBJ_DIR)
objs = os.listdir(objdir)
remove_objs = set(objs)
fo... | python | def prune(self, objs=None):
"""
Clean up objects not referenced by any packages. Try to prune all
objects by default.
"""
if objs is None:
objdir = os.path.join(self._path, self.OBJ_DIR)
objs = os.listdir(objdir)
remove_objs = set(objs)
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8,201 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.save_dataframe | def save_dataframe(self, dataframe):
"""
Save a DataFrame to the store.
"""
storepath = self.temporary_object_path(str(uuid.uuid4()))
# switch parquet lib
parqlib = self.get_parquet_lib()
if isinstance(dataframe, pd.DataFrame):
#parqlib is ParquetLib.... | python | def save_dataframe(self, dataframe):
"""
Save a DataFrame to the store.
"""
storepath = self.temporary_object_path(str(uuid.uuid4()))
# switch parquet lib
parqlib = self.get_parquet_lib()
if isinstance(dataframe, pd.DataFrame):
#parqlib is ParquetLib.... | [
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8,202 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.load_numpy | def load_numpy(self, hash_list):
"""
Loads a numpy array.
"""
assert len(hash_list) == 1
self._check_hashes(hash_list)
with open(self.object_path(hash_list[0]), 'rb') as fd:
return np.load(fd, allow_pickle=False) | python | def load_numpy(self, hash_list):
"""
Loads a numpy array.
"""
assert len(hash_list) == 1
self._check_hashes(hash_list)
with open(self.object_path(hash_list[0]), 'rb') as fd:
return np.load(fd, allow_pickle=False) | [
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8,203 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.get_file | def get_file(self, hash_list):
"""
Returns the path of the file - but verifies that the hash is actually present.
"""
assert len(hash_list) == 1
self._check_hashes(hash_list)
return self.object_path(hash_list[0]) | python | def get_file(self, hash_list):
"""
Returns the path of the file - but verifies that the hash is actually present.
"""
assert len(hash_list) == 1
self._check_hashes(hash_list)
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8,204 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.save_metadata | def save_metadata(self, metadata):
"""
Save metadata to the store.
"""
if metadata in (None, {}):
return None
if SYSTEM_METADATA in metadata:
raise StoreException("Not allowed to store %r in metadata" % SYSTEM_METADATA)
path = self.temporary_obje... | python | def save_metadata(self, metadata):
"""
Save metadata to the store.
"""
if metadata in (None, {}):
return None
if SYSTEM_METADATA in metadata:
raise StoreException("Not allowed to store %r in metadata" % SYSTEM_METADATA)
path = self.temporary_obje... | [
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8,205 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.save_package_contents | def save_package_contents(self, root, team, owner, pkgname):
"""
Saves the in-memory contents to a file in the local
package repository.
"""
assert isinstance(root, RootNode)
instance_hash = hash_contents(root)
pkg_path = self.package_path(team, owner, pkgname)
... | python | def save_package_contents(self, root, team, owner, pkgname):
"""
Saves the in-memory contents to a file in the local
package repository.
"""
assert isinstance(root, RootNode)
instance_hash = hash_contents(root)
pkg_path = self.package_path(team, owner, pkgname)
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8,206 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore._move_to_store | def _move_to_store(self, srcpath, objhash):
"""
Make the object read-only and move it to the store.
"""
destpath = self.object_path(objhash)
if os.path.exists(destpath):
# Windows: delete any existing object at the destination.
os.chmod(destpath, S_IWUSR)
... | python | def _move_to_store(self, srcpath, objhash):
"""
Make the object read-only and move it to the store.
"""
destpath = self.object_path(objhash)
if os.path.exists(destpath):
# Windows: delete any existing object at the destination.
os.chmod(destpath, S_IWUSR)
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8,207 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.add_to_package_numpy | def add_to_package_numpy(self, root, ndarray, node_path, target, source_path, transform, custom_meta):
"""
Save a Numpy array to the store.
"""
filehash = self.save_numpy(ndarray)
metahash = self.save_metadata(custom_meta)
self._add_to_package_contents(root, node_path, [f... | python | def add_to_package_numpy(self, root, ndarray, node_path, target, source_path, transform, custom_meta):
"""
Save a Numpy array to the store.
"""
filehash = self.save_numpy(ndarray)
metahash = self.save_metadata(custom_meta)
self._add_to_package_contents(root, node_path, [f... | [
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8,208 | quiltdata/quilt | compiler/quilt/tools/store.py | PackageStore.add_to_package_package_tree | def add_to_package_package_tree(self, root, node_path, pkgnode):
"""
Adds a package or sub-package tree from an existing package to this package's
contents.
"""
if node_path:
ptr = root
for node in node_path[:-1]:
ptr = ptr.children.setdefa... | python | def add_to_package_package_tree(self, root, node_path, pkgnode):
"""
Adds a package or sub-package tree from an existing package to this package's
contents.
"""
if node_path:
ptr = root
for node in node_path[:-1]:
ptr = ptr.children.setdefa... | [
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8,209 | quiltdata/quilt | compiler/quilt/__init__.py | _install_interrupt_handler | def _install_interrupt_handler():
"""Suppress KeyboardInterrupt traceback display in specific situations
If not running in dev mode, and if executed from the command line, then
we raise SystemExit instead of KeyboardInterrupt. This provides a clean
exit.
:returns: None if no action is taken, orig... | python | def _install_interrupt_handler():
"""Suppress KeyboardInterrupt traceback display in specific situations
If not running in dev mode, and if executed from the command line, then
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8,210 | quiltdata/quilt | compiler/quilt/nodes.py | GroupNode._data_keys | def _data_keys(self):
"""
every child key referencing a dataframe
"""
return [name for name, child in iteritems(self._children) if not isinstance(child, GroupNode)] | python | def _data_keys(self):
"""
every child key referencing a dataframe
"""
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8,211 | quiltdata/quilt | compiler/quilt/nodes.py | GroupNode._group_keys | def _group_keys(self):
"""
every child key referencing a group that is not a dataframe
"""
return [name for name, child in iteritems(self._children) if isinstance(child, GroupNode)] | python | def _group_keys(self):
"""
every child key referencing a group that is not a dataframe
"""
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8,212 | quiltdata/quilt | compiler/quilt/nodes.py | GroupNode._data | def _data(self, asa=None):
"""
Merges all child dataframes. Only works for dataframes stored on disk - not in memory.
"""
hash_list = []
stack = [self]
alldfs = True
store = None
while stack:
node = stack.pop()
if isinstance(node, G... | python | def _data(self, asa=None):
"""
Merges all child dataframes. Only works for dataframes stored on disk - not in memory.
"""
hash_list = []
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8,213 | quiltdata/quilt | compiler/quilt/nodes.py | GroupNode._set | def _set(self, path, value, build_dir=''):
"""Create and set a node by path
This creates a node from a filename or pandas DataFrame.
If `value` is a filename, it must be relative to `build_dir`.
`value` is stored as the export path.
`build_dir` defaults to the current dire... | python | def _set(self, path, value, build_dir=''):
"""Create and set a node by path
This creates a node from a filename or pandas DataFrame.
If `value` is a filename, it must be relative to `build_dir`.
`value` is stored as the export path.
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8,214 | quiltdata/quilt | registry/quilt_server/views.py | handle_api_exception | def handle_api_exception(error):
"""
Converts an API exception into an error response.
"""
_mp_track(
type="exception",
status_code=error.status_code,
message=error.message,
)
response = jsonify(dict(
message=error.message
))
response.status_code = error.... | python | def handle_api_exception(error):
"""
Converts an API exception into an error response.
"""
_mp_track(
type="exception",
status_code=error.status_code,
message=error.message,
)
response = jsonify(dict(
message=error.message
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response.status_code = error.... | [
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8,215 | quiltdata/quilt | registry/quilt_server/views.py | api | def api(require_login=True, schema=None, enabled=True,
require_admin=False, require_anonymous=False):
"""
Decorator for API requests.
Handles auth and adds the username as the first argument.
"""
if require_admin:
require_login = True
if schema is not None:
Draft4Validat... | python | def api(require_login=True, schema=None, enabled=True,
require_admin=False, require_anonymous=False):
"""
Decorator for API requests.
Handles auth and adds the username as the first argument.
"""
if require_admin:
require_login = True
if schema is not None:
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8,216 | quiltdata/quilt | registry/quilt_server/views.py | _private_packages_allowed | def _private_packages_allowed():
"""
Checks if the current user is allowed to create private packages.
In the public cloud, the user needs to be on a paid plan.
There are no restrictions in other deployments.
"""
if not HAVE_PAYMENTS or TEAM_ID:
return True
customer = _get_or_creat... | python | def _private_packages_allowed():
"""
Checks if the current user is allowed to create private packages.
In the public cloud, the user needs to be on a paid plan.
There are no restrictions in other deployments.
"""
if not HAVE_PAYMENTS or TEAM_ID:
return True
customer = _get_or_creat... | [
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8,217 | quiltdata/quilt | compiler/quilt/tools/command.py | _create_auth | def _create_auth(team, timeout=None):
"""
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"""
url = get_registry_url(team)
contents = _load_auth()
auth = contents.get(url)
if auth is not None:
# If the access token expires within a minute, update it.
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"""
Reads the credentials, updates the access token if necessary, and returns it.
"""
url = get_registry_url(team)
contents = _load_auth()
auth = contents.get(url)
if auth is not None:
# If the access token expires within a minute, update it.
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8,218 | quiltdata/quilt | compiler/quilt/tools/command.py | _create_session | def _create_session(team, auth):
"""
Creates a session object to be used for `push`, `install`, etc.
"""
session = requests.Session()
session.hooks.update(dict(
response=partial(_handle_response, team)
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session.headers.update({
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"""
Creates a session object to be used for `push`, `install`, etc.
"""
session = requests.Session()
session.hooks.update(dict(
response=partial(_handle_response, team)
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8,219 | quiltdata/quilt | compiler/quilt/tools/command.py | _get_session | def _get_session(team, timeout=None):
"""
Creates a session or returns an existing session.
"""
global _sessions # pylint:disable=C0103
session = _sessions.get(team)
if session is None:
auth = _create_auth(team, timeout)
_sessions[team] = session = _create_session(team... | python | def _get_session(team, timeout=None):
"""
Creates a session or returns an existing session.
"""
global _sessions # pylint:disable=C0103
session = _sessions.get(team)
if session is None:
auth = _create_auth(team, timeout)
_sessions[team] = session = _create_session(team... | [
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8,220 | quiltdata/quilt | compiler/quilt/tools/command.py | _check_team_login | def _check_team_login(team):
"""
Disallow simultaneous public cloud and team logins.
"""
contents = _load_auth()
for auth in itervalues(contents):
existing_team = auth.get('team')
if team and team != existing_team:
raise CommandException(
"Can't log in as... | python | def _check_team_login(team):
"""
Disallow simultaneous public cloud and team logins.
"""
contents = _load_auth()
for auth in itervalues(contents):
existing_team = auth.get('team')
if team and team != existing_team:
raise CommandException(
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8,221 | quiltdata/quilt | compiler/quilt/tools/command.py | _check_team_exists | def _check_team_exists(team):
"""
Check that the team registry actually exists.
"""
if team is None:
return
hostname = urlparse(get_registry_url(team)).hostname
try:
socket.gethostbyname(hostname)
except IOError:
try:
# Do we have internet?
so... | python | def _check_team_exists(team):
"""
Check that the team registry actually exists.
"""
if team is None:
return
hostname = urlparse(get_registry_url(team)).hostname
try:
socket.gethostbyname(hostname)
except IOError:
try:
# Do we have internet?
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8,222 | quiltdata/quilt | compiler/quilt/tools/command.py | login_with_token | def login_with_token(refresh_token, team=None):
"""
Authenticate using an existing token.
"""
# Get an access token and a new refresh token.
_check_team_id(team)
auth = _update_auth(team, refresh_token)
url = get_registry_url(team)
contents = _load_auth()
contents[url] = auth
_s... | python | def login_with_token(refresh_token, team=None):
"""
Authenticate using an existing token.
"""
# Get an access token and a new refresh token.
_check_team_id(team)
auth = _update_auth(team, refresh_token)
url = get_registry_url(team)
contents = _load_auth()
contents[url] = auth
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8,223 | quiltdata/quilt | compiler/quilt/tools/command.py | generate | def generate(directory, outfilename=DEFAULT_BUILDFILE):
"""
Generate a build-file for quilt build from a directory of
source files.
"""
try:
buildfilepath = generate_build_file(directory, outfilename=outfilename)
except BuildException as builderror:
raise CommandException(str(bui... | python | def generate(directory, outfilename=DEFAULT_BUILDFILE):
"""
Generate a build-file for quilt build from a directory of
source files.
"""
try:
buildfilepath = generate_build_file(directory, outfilename=outfilename)
except BuildException as builderror:
raise CommandException(str(bui... | [
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8,224 | quiltdata/quilt | compiler/quilt/tools/command.py | build | def build(package, path=None, dry_run=False, env='default', force=False, build_file=False):
"""
Compile a Quilt data package, either from a build file or an existing package node.
:param package: short package specifier, i.e. 'team:user/pkg'
:param path: file path, git url, or existing package node
... | python | def build(package, path=None, dry_run=False, env='default', force=False, build_file=False):
"""
Compile a Quilt data package, either from a build file or an existing package node.
:param package: short package specifier, i.e. 'team:user/pkg'
:param path: file path, git url, or existing package node
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8,225 | quiltdata/quilt | compiler/quilt/tools/command.py | build_from_node | def build_from_node(package, node):
"""
Compile a Quilt data package from an existing package node.
"""
team, owner, pkg, subpath = parse_package(package, allow_subpath=True)
_check_team_id(team)
store = PackageStore()
pkg_root = get_or_create_package(store, team, owner, pkg, subpath)
... | python | def build_from_node(package, node):
"""
Compile a Quilt data package from an existing package node.
"""
team, owner, pkg, subpath = parse_package(package, allow_subpath=True)
_check_team_id(team)
store = PackageStore()
pkg_root = get_or_create_package(store, team, owner, pkg, subpath)
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8,226 | quiltdata/quilt | compiler/quilt/tools/command.py | build_from_path | def build_from_path(package, path, dry_run=False, env='default', outfilename=DEFAULT_BUILDFILE):
"""
Compile a Quilt data package from a build file.
Path can be a directory, in which case the build file will be generated automatically.
"""
team, owner, pkg, subpath = parse_package(package, allow_sub... | python | def build_from_path(package, path, dry_run=False, env='default', outfilename=DEFAULT_BUILDFILE):
"""
Compile a Quilt data package from a build file.
Path can be a directory, in which case the build file will be generated automatically.
"""
team, owner, pkg, subpath = parse_package(package, allow_sub... | [
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8,227 | quiltdata/quilt | compiler/quilt/tools/command.py | log | def log(package):
"""
List all of the changes to a package on the server.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/log/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
... | python | def log(package):
"""
List all of the changes to a package on the server.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/log/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
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8,228 | quiltdata/quilt | compiler/quilt/tools/command.py | push | def push(package, is_public=False, is_team=False, reupload=False, hash=None):
"""
Push a Quilt data package to the server
"""
team, owner, pkg, subpath = parse_package(package, allow_subpath=True)
_check_team_id(team)
session = _get_session(team)
store, pkgroot = PackageStore.find_package(t... | python | def push(package, is_public=False, is_team=False, reupload=False, hash=None):
"""
Push a Quilt data package to the server
"""
team, owner, pkg, subpath = parse_package(package, allow_subpath=True)
_check_team_id(team)
session = _get_session(team)
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8,229 | quiltdata/quilt | compiler/quilt/tools/command.py | version_list | def version_list(package):
"""
List the versions of a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/version/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
pkg=p... | python | def version_list(package):
"""
List the versions of a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/version/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
pkg=p... | [
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8,230 | quiltdata/quilt | compiler/quilt/tools/command.py | version_add | def version_add(package, version, pkghash, force=False):
"""
Add a new version for a given package hash.
Version format needs to follow PEP 440.
Versions are permanent - once created, they cannot be modified or deleted.
"""
team, owner, pkg = parse_package(package)
session = _get_session(te... | python | def version_add(package, version, pkghash, force=False):
"""
Add a new version for a given package hash.
Version format needs to follow PEP 440.
Versions are permanent - once created, they cannot be modified or deleted.
"""
team, owner, pkg = parse_package(package)
session = _get_session(te... | [
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Version format needs to follow PEP 440.
Versions are permanent - once created, they cannot be modified or deleted. | [
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8,231 | quiltdata/quilt | compiler/quilt/tools/command.py | tag_list | def tag_list(package):
"""
List the tags of a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/tag/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
pkg=pkg
)... | python | def tag_list(package):
"""
List the tags of a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
response = session.get(
"{url}/api/tag/{owner}/{pkg}/".format(
url=get_registry_url(team),
owner=owner,
pkg=pkg
)... | [
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8,232 | quiltdata/quilt | compiler/quilt/tools/command.py | tag_add | def tag_add(package, tag, pkghash):
"""
Add a new tag for a given package hash.
Unlike versions, tags can have an arbitrary format, and can be modified
and deleted.
When a package is pushed, it gets the "latest" tag.
"""
team, owner, pkg = parse_package(package)
session = _get_session(... | python | def tag_add(package, tag, pkghash):
"""
Add a new tag for a given package hash.
Unlike versions, tags can have an arbitrary format, and can be modified
and deleted.
When a package is pushed, it gets the "latest" tag.
"""
team, owner, pkg = parse_package(package)
session = _get_session(... | [
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8,233 | quiltdata/quilt | compiler/quilt/tools/command.py | install_via_requirements | def install_via_requirements(requirements_str, force=False):
"""
Download multiple Quilt data packages via quilt.xml requirements file.
"""
if requirements_str[0] == '@':
path = requirements_str[1:]
if os.path.isfile(path):
yaml_data = load_yaml(path)
if 'packages... | python | def install_via_requirements(requirements_str, force=False):
"""
Download multiple Quilt data packages via quilt.xml requirements file.
"""
if requirements_str[0] == '@':
path = requirements_str[1:]
if os.path.isfile(path):
yaml_data = load_yaml(path)
if 'packages... | [
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8,234 | quiltdata/quilt | compiler/quilt/tools/command.py | access_list | def access_list(package):
"""
Print list of users who can access a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
lookup_url = "{url}/api/access/{owner}/{pkg}/".format(url=get_registry_url(team), owner=owner, pkg=pkg)
response = session.get(lookup_url)
... | python | def access_list(package):
"""
Print list of users who can access a package.
"""
team, owner, pkg = parse_package(package)
session = _get_session(team)
lookup_url = "{url}/api/access/{owner}/{pkg}/".format(url=get_registry_url(team), owner=owner, pkg=pkg)
response = session.get(lookup_url)
... | [
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8,235 | quiltdata/quilt | compiler/quilt/tools/command.py | delete | def delete(package):
"""
Delete a package from the server.
Irreversibly deletes the package along with its history, tags, versions, etc.
"""
team, owner, pkg = parse_package(package)
answer = input(
"Are you sure you want to delete this package and its entire history? "
"Type '... | python | def delete(package):
"""
Delete a package from the server.
Irreversibly deletes the package along with its history, tags, versions, etc.
"""
team, owner, pkg = parse_package(package)
answer = input(
"Are you sure you want to delete this package and its entire history? "
"Type '... | [
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8,236 | quiltdata/quilt | compiler/quilt/tools/command.py | search | def search(query, team=None):
"""
Search for packages
"""
if team is None:
team = _find_logged_in_team()
if team is not None:
session = _get_session(team)
response = session.get("%s/api/search/" % get_registry_url(team), params=dict(q=query))
print("* Packages in tea... | python | def search(query, team=None):
"""
Search for packages
"""
if team is None:
team = _find_logged_in_team()
if team is not None:
session = _get_session(team)
response = session.get("%s/api/search/" % get_registry_url(team), params=dict(q=query))
print("* Packages in tea... | [
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8,237 | quiltdata/quilt | compiler/quilt/tools/command.py | ls | def ls(): # pylint:disable=C0103
"""
List all installed Quilt data packages
"""
for pkg_dir in PackageStore.find_store_dirs():
print("%s" % pkg_dir)
packages = PackageStore(pkg_dir).ls_packages()
for package, tag, pkghash in sorted(packages):
pri... | python | def ls(): # pylint:disable=C0103
"""
List all installed Quilt data packages
"""
for pkg_dir in PackageStore.find_store_dirs():
print("%s" % pkg_dir)
packages = PackageStore(pkg_dir).ls_packages()
for package, tag, pkghash in sorted(packages):
pri... | [
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8,238 | quiltdata/quilt | compiler/quilt/tools/command.py | inspect | def inspect(package):
"""
Inspect package details
"""
team, owner, pkg = parse_package(package)
store, pkgroot = PackageStore.find_package(team, owner, pkg)
if pkgroot is None:
raise CommandException("Package {package} not found.".format(package=package))
def _print_children(childr... | python | def inspect(package):
"""
Inspect package details
"""
team, owner, pkg = parse_package(package)
store, pkgroot = PackageStore.find_package(team, owner, pkg)
if pkgroot is None:
raise CommandException("Package {package} not found.".format(package=package))
def _print_children(childr... | [
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8,239 | quiltdata/quilt | compiler/quilt/tools/command.py | load | def load(pkginfo, hash=None):
"""
functional interface to "from quilt.data.USER import PKG"
"""
node, pkgroot, info = _load(pkginfo, hash)
for subnode_name in info.subpath:
node = node[subnode_name]
return node | python | def load(pkginfo, hash=None):
"""
functional interface to "from quilt.data.USER import PKG"
"""
node, pkgroot, info = _load(pkginfo, hash)
for subnode_name in info.subpath:
node = node[subnode_name]
return node | [
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8,240 | CalebBell/fluids | fluids/core.py | c_ideal_gas | def c_ideal_gas(T, k, MW):
r'''Calculates speed of sound `c` in an ideal gas at temperature T.
.. math::
c = \sqrt{kR_{specific}T}
Parameters
----------
T : float
Temperature of fluid, [K]
k : float
Isentropic exponent of fluid, [-]
MW : float
Molecular weig... | python | def c_ideal_gas(T, k, MW):
r'''Calculates speed of sound `c` in an ideal gas at temperature T.
.. math::
c = \sqrt{kR_{specific}T}
Parameters
----------
T : float
Temperature of fluid, [K]
k : float
Isentropic exponent of fluid, [-]
MW : float
Molecular weig... | [
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T : float
Temperature of fluid, [K]
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Isentropic exponent of fluid, [-]
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8,241 | CalebBell/fluids | fluids/core.py | Reynolds | def Reynolds(V, D, rho=None, mu=None, nu=None):
r'''Calculates Reynolds number or `Re` for a fluid with the given
properties for the specified velocity and diameter.
.. math::
Re = \frac{D \cdot V}{\nu} = \frac{\rho V D}{\mu}
Inputs either of any of the following sets:
* V, D, density `rh... | python | def Reynolds(V, D, rho=None, mu=None, nu=None):
r'''Calculates Reynolds number or `Re` for a fluid with the given
properties for the specified velocity and diameter.
.. math::
Re = \frac{D \cdot V}{\nu} = \frac{\rho V D}{\mu}
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* V, D, density `rh... | [
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8,242 | CalebBell/fluids | fluids/core.py | Peclet_heat | def Peclet_heat(V, L, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates heat transfer Peclet number or `Pe` for a specified velocity
`V`, characteristic length `L`, and specified properties for the given
fluid.
.. math::
Pe = \frac{VL\rho C_p}{k} = \frac{LV}{\alpha}
Inputs either of a... | python | def Peclet_heat(V, L, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates heat transfer Peclet number or `Pe` for a specified velocity
`V`, characteristic length `L`, and specified properties for the given
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.. math::
Pe = \frac{VL\rho C_p}{k} = \frac{LV}{\alpha}
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8,243 | CalebBell/fluids | fluids/core.py | Fourier_heat | def Fourier_heat(t, L, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates heat transfer Fourier number or `Fo` for a specified time
`t`, characteristic length `L`, and specified properties for the given
fluid.
.. math::
Fo = \frac{k t}{C_p \rho L^2} = \frac{\alpha t}{L^2}
Inputs either... | python | def Fourier_heat(t, L, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates heat transfer Fourier number or `Fo` for a specified time
`t`, characteristic length `L`, and specified properties for the given
fluid.
.. math::
Fo = \frac{k t}{C_p \rho L^2} = \frac{\alpha t}{L^2}
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8,244 | CalebBell/fluids | fluids/core.py | Graetz_heat | def Graetz_heat(V, D, x, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates Graetz number or `Gz` for a specified velocity
`V`, diameter `D`, axial distance `x`, and specified properties for the
given fluid.
.. math::
Gz = \frac{VD^2\cdot C_p \rho}{x\cdot k} = \frac{VD^2}{x \alpha}
Inp... | python | def Graetz_heat(V, D, x, rho=None, Cp=None, k=None, alpha=None):
r'''Calculates Graetz number or `Gz` for a specified velocity
`V`, diameter `D`, axial distance `x`, and specified properties for the
given fluid.
.. math::
Gz = \frac{VD^2\cdot C_p \rho}{x\cdot k} = \frac{VD^2}{x \alpha}
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... | r'''Calculates Graetz number or `Gz` for a specified velocity
`V`, diameter `D`, axial distance `x`, and specified properties for the
given fluid.
.. math::
Gz = \frac{VD^2\cdot C_p \rho}{x\cdot k} = \frac{VD^2}{x \alpha}
Inputs either of any of the following sets:
* V, D, x, density `rho... | [
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8,245 | CalebBell/fluids | fluids/core.py | Schmidt | def Schmidt(D, mu=None, nu=None, rho=None):
r'''Calculates Schmidt number or `Sc` for a fluid with the given
parameters.
.. math::
Sc = \frac{\mu}{D\rho} = \frac{\nu}{D}
Inputs can be any of the following sets:
* Diffusivity, dynamic viscosity, and density
* Diffusivity and kinematic ... | python | def Schmidt(D, mu=None, nu=None, rho=None):
r'''Calculates Schmidt number or `Sc` for a fluid with the given
parameters.
.. math::
Sc = \frac{\mu}{D\rho} = \frac{\nu}{D}
Inputs can be any of the following sets:
* Diffusivity, dynamic viscosity, and density
* Diffusivity and kinematic ... | [
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.. math::
Sc = \frac{\mu}{D\rho} = \frac{\nu}{D}
Inputs can be any of the following sets:
* Diffusivity, dynamic viscosity, and density
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D :... | [
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8,246 | CalebBell/fluids | fluids/core.py | Lewis | def Lewis(D=None, alpha=None, Cp=None, k=None, rho=None):
r'''Calculates Lewis number or `Le` for a fluid with the given parameters.
.. math::
Le = \frac{k}{\rho C_p D} = \frac{\alpha}{D}
Inputs can be either of the following sets:
* Diffusivity and Thermal diffusivity
* Diffusivity, heat... | python | def Lewis(D=None, alpha=None, Cp=None, k=None, rho=None):
r'''Calculates Lewis number or `Le` for a fluid with the given parameters.
.. math::
Le = \frac{k}{\rho C_p D} = \frac{\alpha}{D}
Inputs can be either of the following sets:
* Diffusivity and Thermal diffusivity
* Diffusivity, heat... | [
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.. math::
Le = \frac{k}{\rho C_p D} = \frac{\alpha}{D}
Inputs can be either of the following sets:
* Diffusivity and Thermal diffusivity
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8,247 | CalebBell/fluids | fluids/core.py | Confinement | def Confinement(D, rhol, rhog, sigma, g=g):
r'''Calculates Confinement number or `Co` for a fluid in a channel of
diameter `D` with liquid and gas densities `rhol` and `rhog` and surface
tension `sigma`, under the influence of gravitational force `g`.
.. math::
\text{Co}=\frac{\left[\frac{\sig... | python | def Confinement(D, rhol, rhog, sigma, g=g):
r'''Calculates Confinement number or `Co` for a fluid in a channel of
diameter `D` with liquid and gas densities `rhol` and `rhog` and surface
tension `sigma`, under the influence of gravitational force `g`.
.. math::
\text{Co}=\frac{\left[\frac{\sig... | [
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diameter `D` with liquid and gas densities `rhol` and `rhog` and surface
tension `sigma`, under the influence of gravitational force `g`.
.. math::
\text{Co}=\frac{\left[\frac{\sigma}{g(\rho_l-\rho_g)}\right]^{0.5}}{D}
Para... | [
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8,248 | CalebBell/fluids | fluids/core.py | Morton | def Morton(rhol, rhog, mul, sigma, g=g):
r'''Calculates Morton number or `Mo` for a liquid and vapor with the
specified properties, under the influence of gravitational force `g`.
.. math::
Mo = \frac{g \mu_l^4(\rho_l - \rho_g)}{\rho_l^2 \sigma^3}
Parameters
----------
rhol : f... | python | def Morton(rhol, rhog, mul, sigma, g=g):
r'''Calculates Morton number or `Mo` for a liquid and vapor with the
specified properties, under the influence of gravitational force `g`.
.. math::
Mo = \frac{g \mu_l^4(\rho_l - \rho_g)}{\rho_l^2 \sigma^3}
Parameters
----------
rhol : f... | [
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.. math::
Mo = \frac{g \mu_l^4(\rho_l - \rho_g)}{\rho_l^2 \sigma^3}
Parameters
----------
rhol : float
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8,249 | CalebBell/fluids | fluids/core.py | Prandtl | def Prandtl(Cp=None, k=None, mu=None, nu=None, rho=None, alpha=None):
r'''Calculates Prandtl number or `Pr` for a fluid with the given
parameters.
.. math::
Pr = \frac{C_p \mu}{k} = \frac{\nu}{\alpha} = \frac{C_p \rho \nu}{k}
Inputs can be any of the following sets:
* Heat capacity, dynam... | python | def Prandtl(Cp=None, k=None, mu=None, nu=None, rho=None, alpha=None):
r'''Calculates Prandtl number or `Pr` for a fluid with the given
parameters.
.. math::
Pr = \frac{C_p \mu}{k} = \frac{\nu}{\alpha} = \frac{C_p \rho \nu}{k}
Inputs can be any of the following sets:
* Heat capacity, dynam... | [
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.. math::
Pr = \frac{C_p \mu}{k} = \frac{\nu}{\alpha} = \frac{C_p \rho \nu}{k}
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8,250 | CalebBell/fluids | fluids/core.py | Grashof | def Grashof(L, beta, T1, T2=0, rho=None, mu=None, nu=None, g=g):
r'''Calculates Grashof number or `Gr` for a fluid with the given
properties, temperature difference, and characteristic length.
.. math::
Gr = \frac{g\beta (T_s-T_\infty)L^3}{\nu^2}
= \frac{g\beta (T_s-T_\infty)L^3\rho^2}{\mu^... | python | def Grashof(L, beta, T1, T2=0, rho=None, mu=None, nu=None, g=g):
r'''Calculates Grashof number or `Gr` for a fluid with the given
properties, temperature difference, and characteristic length.
.. math::
Gr = \frac{g\beta (T_s-T_\infty)L^3}{\nu^2}
= \frac{g\beta (T_s-T_\infty)L^3\rho^2}{\mu^... | [
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.. math::
Gr = \frac{g\beta (T_s-T_\infty)L^3}{\nu^2}
= \frac{g\beta (T_s-T_\infty)L^3\rho^2}{\mu^2}
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8,251 | CalebBell/fluids | fluids/core.py | Froude | def Froude(V, L, g=g, squared=False):
r'''Calculates Froude number `Fr` for velocity `V` and geometric length
`L`. If desired, gravity can be specified as well. Normally the function
returns the result of the equation below; Froude number is also often
said to be defined as the square of the equation be... | python | def Froude(V, L, g=g, squared=False):
r'''Calculates Froude number `Fr` for velocity `V` and geometric length
`L`. If desired, gravity can be specified as well. Normally the function
returns the result of the equation below; Froude number is also often
said to be defined as the square of the equation be... | [
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returns the result of the equation below; Froude number is also often
said to be defined as the square of the equation below.
.. math::
Fr = \frac{V}{... | [
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8,252 | CalebBell/fluids | fluids/core.py | Stokes_number | def Stokes_number(V, Dp, D, rhop, mu):
r'''Calculates Stokes Number for a given characteristic velocity `V`,
particle diameter `Dp`, characteristic diameter `D`, particle density
`rhop`, and fluid viscosity `mu`.
.. math::
\text{Stk} = \frac{\rho_p V D_p^2}{18\mu_f D}
Parameters
----... | python | def Stokes_number(V, Dp, D, rhop, mu):
r'''Calculates Stokes Number for a given characteristic velocity `V`,
particle diameter `Dp`, characteristic diameter `D`, particle density
`rhop`, and fluid viscosity `mu`.
.. math::
\text{Stk} = \frac{\rho_p V D_p^2}{18\mu_f D}
Parameters
----... | [
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\text{Stk} = \frac{\rho_p V D_p^2}{18\mu_f D}
Parameters
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V : float
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8,253 | CalebBell/fluids | fluids/core.py | Suratman | def Suratman(L, rho, mu, sigma):
r'''Calculates Suratman number, `Su`, for a fluid with the given
characteristic length, density, viscosity, and surface tension.
.. math::
\text{Su} = \frac{\rho\sigma L}{\mu^2}
Parameters
----------
L : float
Characteristic length [m]
rho :... | python | def Suratman(L, rho, mu, sigma):
r'''Calculates Suratman number, `Su`, for a fluid with the given
characteristic length, density, viscosity, and surface tension.
.. math::
\text{Su} = \frac{\rho\sigma L}{\mu^2}
Parameters
----------
L : float
Characteristic length [m]
rho :... | [
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.. math::
\text{Su} = \frac{\rho\sigma L}{\mu^2}
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Characteristic length [m]
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8,254 | CalebBell/fluids | fluids/core.py | nu_mu_converter | def nu_mu_converter(rho, mu=None, nu=None):
r'''Calculates either kinematic or dynamic viscosity, depending on inputs.
Used when one type of viscosity is known as well as density, to obtain
the other type. Raises an error if both types of viscosity or neither type
of viscosity is provided.
.. math:... | python | def nu_mu_converter(rho, mu=None, nu=None):
r'''Calculates either kinematic or dynamic viscosity, depending on inputs.
Used when one type of viscosity is known as well as density, to obtain
the other type. Raises an error if both types of viscosity or neither type
of viscosity is provided.
.. math:... | [
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8,255 | CalebBell/fluids | fluids/core.py | Engauge_2d_parser | def Engauge_2d_parser(lines, flat=False):
'''Not exposed function to read a 2D file generated by engauge-digitizer;
for curve fitting.
'''
z_values = []
x_lists = []
y_lists = []
working_xs = []
working_ys = []
new_curve = True
for line in lines:
if line.strip() == '... | python | def Engauge_2d_parser(lines, flat=False):
'''Not exposed function to read a 2D file generated by engauge-digitizer;
for curve fitting.
'''
z_values = []
x_lists = []
y_lists = []
working_xs = []
working_ys = []
new_curve = True
for line in lines:
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8,256 | CalebBell/fluids | fluids/compressible.py | isothermal_work_compression | def isothermal_work_compression(P1, P2, T, Z=1):
r'''Calculates the work of compression or expansion of a gas going through
an isothermal process.
.. math::
W = zRT\ln\left(\frac{P_2}{P_1}\right)
Parameters
----------
P1 : float
Inlet pressure, [Pa]
P2 : float
Outle... | python | def isothermal_work_compression(P1, P2, T, Z=1):
r'''Calculates the work of compression or expansion of a gas going through
an isothermal process.
.. math::
W = zRT\ln\left(\frac{P_2}{P_1}\right)
Parameters
----------
P1 : float
Inlet pressure, [Pa]
P2 : float
Outle... | [
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.. math::
W = zRT\ln\left(\frac{P_2}{P_1}\right)
Parameters
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P1 : float
Inlet pressure, [Pa]
P2 : float
Outlet pressure, [Pa]
T : float
Temperature of... | [
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8,257 | CalebBell/fluids | fluids/compressible.py | isentropic_T_rise_compression | def isentropic_T_rise_compression(T1, P1, P2, k, eta=1):
r'''Calculates the increase in temperature of a fluid which is compressed
or expanded under isentropic, adiabatic conditions assuming constant
Cp and Cv. The polytropic model is the same equation; just provide `n`
instead of `k` and use a polytro... | python | def isentropic_T_rise_compression(T1, P1, P2, k, eta=1):
r'''Calculates the increase in temperature of a fluid which is compressed
or expanded under isentropic, adiabatic conditions assuming constant
Cp and Cv. The polytropic model is the same equation; just provide `n`
instead of `k` and use a polytro... | [
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8,258 | CalebBell/fluids | fluids/compressible.py | isentropic_efficiency | def isentropic_efficiency(P1, P2, k, eta_s=None, eta_p=None):
r'''Calculates either isentropic or polytropic efficiency from the other
type of efficiency.
.. math::
\eta_s = \frac{(P_2/P_1)^{(k-1)/k}-1}
{(P_2/P_1)^{\frac{k-1}{k\eta_p}}-1}
.. math::
\eta_p = \frac{\left(k - 1\ri... | python | def isentropic_efficiency(P1, P2, k, eta_s=None, eta_p=None):
r'''Calculates either isentropic or polytropic efficiency from the other
type of efficiency.
.. math::
\eta_s = \frac{(P_2/P_1)^{(k-1)/k}-1}
{(P_2/P_1)^{\frac{k-1}{k\eta_p}}-1}
.. math::
\eta_p = \frac{\left(k - 1\ri... | [
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.. math::
\eta_s = \frac{(P_2/P_1)^{(k-1)/k}-1}
{(P_2/P_1)^{\frac{k-1}{k\eta_p}}-1}
.. math::
\eta_p = \frac{\left(k - 1\right) \log{\left (\frac{P_{2}}{P_{1}}
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8,259 | CalebBell/fluids | fluids/compressible.py | P_isothermal_critical_flow | def P_isothermal_critical_flow(P, fd, D, L):
r'''Calculates critical flow pressure `Pcf` for a fluid flowing
isothermally and suffering pressure drop caused by a pipe's friction factor.
.. math::
P_2 = P_{1} e^{\frac{1}{2 D} \left(D \left(\operatorname{LambertW}
{\left (- e^{\frac{1}{D} \le... | python | def P_isothermal_critical_flow(P, fd, D, L):
r'''Calculates critical flow pressure `Pcf` for a fluid flowing
isothermally and suffering pressure drop caused by a pipe's friction factor.
.. math::
P_2 = P_{1} e^{\frac{1}{2 D} \left(D \left(\operatorname{LambertW}
{\left (- e^{\frac{1}{D} \le... | [
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.. math::
P_2 = P_{1} e^{\frac{1}{2 D} \left(D \left(\operatorname{LambertW}
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8,260 | CalebBell/fluids | fluids/compressible.py | P_upstream_isothermal_critical_flow | def P_upstream_isothermal_critical_flow(P, fd, D, L):
'''Not part of the public API. Reverses `P_isothermal_critical_flow`.
Examples
--------
>>> P_upstream_isothermal_critical_flow(P=389699.7317645518, fd=0.00185,
... L=1000., D=0.5)
1000000.0000000001
'''
lambertw_term = float(lambert... | python | def P_upstream_isothermal_critical_flow(P, fd, D, L):
'''Not part of the public API. Reverses `P_isothermal_critical_flow`.
Examples
--------
>>> P_upstream_isothermal_critical_flow(P=389699.7317645518, fd=0.00185,
... L=1000., D=0.5)
1000000.0000000001
'''
lambertw_term = float(lambert... | [
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>>> P_upstream_isothermal_critical_flow(P=389699.7317645518, fd=0.00185,
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8,261 | CalebBell/fluids | fluids/compressible.py | is_critical_flow | def is_critical_flow(P1, P2, k):
r'''Determines if a flow of a fluid driven by pressure gradient
P1 - P2 is critical, for a fluid with the given isentropic coefficient.
This function calculates critical flow pressure, and checks if this is
larger than P2. If so, the flow is critical and choked.
Par... | python | def is_critical_flow(P1, P2, k):
r'''Determines if a flow of a fluid driven by pressure gradient
P1 - P2 is critical, for a fluid with the given isentropic coefficient.
This function calculates critical flow pressure, and checks if this is
larger than P2. If so, the flow is critical and choked.
Par... | [
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8,262 | CalebBell/fluids | fluids/friction.py | one_phase_dP | def one_phase_dP(m, rho, mu, D, roughness=0, L=1, Method=None):
r'''Calculates single-phase pressure drop. This is a wrapper
around other methods.
Parameters
----------
m : float
Mass flow rate of fluid, [kg/s]
rho : float
Density of fluid, [kg/m^3]
mu : float
Viscos... | python | def one_phase_dP(m, rho, mu, D, roughness=0, L=1, Method=None):
r'''Calculates single-phase pressure drop. This is a wrapper
around other methods.
Parameters
----------
m : float
Mass flow rate of fluid, [kg/s]
rho : float
Density of fluid, [kg/m^3]
mu : float
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Density of fluid, [kg/m^3]
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Viscosity of fluid, [Pa*s]
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Diameter of pipe, [m]
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8,263 | CalebBell/fluids | fluids/flow_meter.py | discharge_coefficient_to_K | def discharge_coefficient_to_K(D, Do, C):
r'''Converts a discharge coefficient to a standard loss coefficient,
for use in computation of the actual pressure drop of an orifice or other
device.
.. math::
K = \left[\frac{\sqrt{1-\beta^4(1-C^2)}}{C\beta^2} - 1\right]^2
Parameters
... | python | def discharge_coefficient_to_K(D, Do, C):
r'''Converts a discharge coefficient to a standard loss coefficient,
for use in computation of the actual pressure drop of an orifice or other
device.
.. math::
K = \left[\frac{\sqrt{1-\beta^4(1-C^2)}}{C\beta^2} - 1\right]^2
Parameters
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8,264 | CalebBell/fluids | fluids/particle_size_distribution.py | ParticleSizeDistributionContinuous.dn | def dn(self, fraction, n=None):
r'''Computes the diameter at which a specified `fraction` of the
distribution falls under. Utilizes a bounded solver to search for the
desired diameter.
Parameters
----------
fraction : float
Fraction of the distribution which... | python | def dn(self, fraction, n=None):
r'''Computes the diameter at which a specified `fraction` of the
distribution falls under. Utilizes a bounded solver to search for the
desired diameter.
Parameters
----------
fraction : float
Fraction of the distribution which... | [
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Fraction of the distribution which should be under the calculated
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8,265 | CalebBell/fluids | fluids/particle_size_distribution.py | ParticleSizeDistribution.fit | def fit(self, x0=None, distribution='lognormal', n=None, **kwargs):
'''Incomplete method to fit experimental values to a curve. It is very
hard to get good initial guesses, which are really required for this.
Differential evolution is promissing. This API is likely to change in
the futur... | python | def fit(self, x0=None, distribution='lognormal', n=None, **kwargs):
'''Incomplete method to fit experimental values to a curve. It is very
hard to get good initial guesses, which are really required for this.
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8,266 | CalebBell/fluids | fluids/particle_size_distribution.py | ParticleSizeDistribution.Dis | def Dis(self):
'''Representative diameters of each bin.
'''
return [self.di_power(i, power=1) for i in range(self.N)] | python | def Dis(self):
'''Representative diameters of each bin.
'''
return [self.di_power(i, power=1) for i in range(self.N)] | [
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8,267 | CalebBell/fluids | fluids/geometry.py | SA_tank | def SA_tank(D, L, sideA=None, sideB=None, sideA_a=0,
sideB_a=0, sideA_f=None, sideA_k=None, sideB_f=None, sideB_k=None,
full_output=False):
r'''Calculates the surface are of a cylindrical tank with optional heads.
In the degenerate case of being provided with only `D` and `L`, provides... | python | def SA_tank(D, L, sideA=None, sideB=None, sideA_a=0,
sideB_a=0, sideA_f=None, sideA_k=None, sideB_f=None, sideB_k=None,
full_output=False):
r'''Calculates the surface are of a cylindrical tank with optional heads.
In the degenerate case of being provided with only `D` and `L`, provides... | [
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D : float
Diameter of the cylindrical section of the tank, [m]
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8,268 | CalebBell/fluids | fluids/geometry.py | pitch_angle_solver | def pitch_angle_solver(angle=None, pitch=None, pitch_parallel=None,
pitch_normal=None):
r'''Utility to take any two of `angle`, `pitch`, `pitch_parallel`, and
`pitch_normal` and calculate the other two. This is useful for applications
with tube banks, as in shell and tube heat exchang... | python | def pitch_angle_solver(angle=None, pitch=None, pitch_parallel=None,
pitch_normal=None):
r'''Utility to take any two of `angle`, `pitch`, `pitch_parallel`, and
`pitch_normal` and calculate the other two. This is useful for applications
with tube banks, as in shell and tube heat exchang... | [
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`pitch_normal` and calculate the other two. This is useful for applications
with tube banks, as in shell and tube heat exchangers or air coolers and
allows for a wider range of user input.
.. math::
\text{pitch normal} = \t... | [
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8,269 | CalebBell/fluids | fluids/geometry.py | A_hollow_cylinder | def A_hollow_cylinder(Di, Do, L):
r'''Returns the surface area of a hollow cylinder.
.. math::
A = \pi D_o L + \pi D_i L + 2\cdot \frac{\pi D_o^2}{4}
- 2\cdot \frac{\pi D_i^2}{4}
Parameters
----------
Di : float
Diameter of the hollow in the cylinder, [m]
Do : float
... | python | def A_hollow_cylinder(Di, Do, L):
r'''Returns the surface area of a hollow cylinder.
.. math::
A = \pi D_o L + \pi D_i L + 2\cdot \frac{\pi D_o^2}{4}
- 2\cdot \frac{\pi D_i^2}{4}
Parameters
----------
Di : float
Diameter of the hollow in the cylinder, [m]
Do : float
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8,270 | CalebBell/fluids | fluids/geometry.py | A_multiple_hole_cylinder | def A_multiple_hole_cylinder(Do, L, holes):
r'''Returns the surface area of a cylinder with multiple holes.
Calculation will naively return a negative value or other impossible
result if the number of cylinders added is physically impossible.
Holes may be of different shapes, but must be perpendicular t... | python | def A_multiple_hole_cylinder(Do, L, holes):
r'''Returns the surface area of a cylinder with multiple holes.
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8,271 | CalebBell/fluids | fluids/geometry.py | TANK.V_from_h | def V_from_h(self, h, method='full'):
r'''Method to calculate the volume of liquid in a fully defined tank
given a specified height `h`. `h` must be under the maximum height.
If the method is 'chebyshev', and the coefficients have not yet been
calculated, they are created by calling `se... | python | def V_from_h(self, h, method='full'):
r'''Method to calculate the volume of liquid in a fully defined tank
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8,272 | CalebBell/fluids | fluids/geometry.py | TANK.h_from_V | def h_from_V(self, V, method='spline'):
r'''Method to calculate the height of liquid in a fully defined tank
given a specified volume of liquid in it `V`. `V` must be under the
maximum volume. If the method is 'spline', and the interpolation table
is not yet defined, creates it by callin... | python | def h_from_V(self, V, method='spline'):
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8,273 | CalebBell/fluids | fluids/geometry.py | TANK.set_table | def set_table(self, n=100, dx=None):
r'''Method to set an interpolation table of liquids levels versus
volumes in the tank, for a fully defined tank. Normally run by the
h_from_V method, this may be run prior to its use with a custom
specification. Either the number of points on the tabl... | python | def set_table(self, n=100, dx=None):
r'''Method to set an interpolation table of liquids levels versus
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8,274 | CalebBell/fluids | fluids/geometry.py | TANK._V_solver_error | def _V_solver_error(self, Vtarget, D, L, horizontal, sideA, sideB, sideA_a,
sideB_a, sideA_f, sideA_k, sideB_f, sideB_k,
sideA_a_ratio, sideB_a_ratio):
'''Function which uses only the variables given, and the TANK
class itself, to determine how far from the ... | python | def _V_solver_error(self, Vtarget, D, L, horizontal, sideA, sideB, sideA_a,
sideB_a, sideA_f, sideA_k, sideB_f, sideB_k,
sideA_a_ratio, sideB_a_ratio):
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8,275 | CalebBell/fluids | fluids/geometry.py | PlateExchanger.plate_exchanger_identifier | def plate_exchanger_identifier(self):
'''Method to create an identifying string in format 'L' + wavelength +
'A' + amplitude + 'B' + chevron angle-chevron angle. Wavelength and
amplitude are specified in units of mm and rounded to two decimal places.
'''
s = ('L' + str(round(se... | python | def plate_exchanger_identifier(self):
'''Method to create an identifying string in format 'L' + wavelength +
'A' + amplitude + 'B' + chevron angle-chevron angle. Wavelength and
amplitude are specified in units of mm and rounded to two decimal places.
'''
s = ('L' + str(round(se... | [
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8,276 | CalebBell/fluids | fluids/numerics/__init__.py | linspace | def linspace(start, stop, num=50, endpoint=True, retstep=False, dtype=None):
'''Port of numpy's linspace to pure python. Does not support dtype, and
returns lists of floats.
'''
num = int(num)
start = start * 1.
stop = stop * 1.
if num <= 0:
return []
if endpoint:
if nu... | python | def linspace(start, stop, num=50, endpoint=True, retstep=False, dtype=None):
'''Port of numpy's linspace to pure python. Does not support dtype, and
returns lists of floats.
'''
num = int(num)
start = start * 1.
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if num <= 0:
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8,277 | CalebBell/fluids | fluids/numerics/__init__.py | derivative | def derivative(func, x0, dx=1.0, n=1, args=(), order=3):
'''Reimplementation of SciPy's derivative function, with more cached
coefficients and without using numpy. If new coefficients not cached are
needed, they are only calculated once and are remembered.
'''
if order < n + 1:
raise ValueEr... | python | def derivative(func, x0, dx=1.0, n=1, args=(), order=3):
'''Reimplementation of SciPy's derivative function, with more cached
coefficients and without using numpy. If new coefficients not cached are
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if order < n + 1:
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8,278 | CalebBell/fluids | fluids/numerics/__init__.py | polyder | def polyder(c, m=1, scl=1, axis=0):
'''not quite a copy of numpy's version because this was faster to implement.
'''
c = list(c)
cnt = int(m)
if cnt == 0:
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n = len(c)
if cnt >= n:
c = c[:1]*0
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for i in range(cnt):
n = n - 1
c... | python | def polyder(c, m=1, scl=1, axis=0):
'''not quite a copy of numpy's version because this was faster to implement.
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c = list(c)
cnt = int(m)
if cnt == 0:
return c
n = len(c)
if cnt >= n:
c = c[:1]*0
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8,279 | CalebBell/fluids | fluids/numerics/__init__.py | horner_log | def horner_log(coeffs, log_coeff, x):
'''Technically possible to save one addition of the last term of
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tot = 0.0
for c in coeffs:
tot = tot*x + c
return tot + log_coeff*log(x) | python | def horner_log(coeffs, log_coeff, x):
'''Technically possible to save one addition of the last term of
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tot = 0.0
for c in coeffs:
tot = tot*x + c
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8,280 | CalebBell/fluids | fluids/numerics/__init__.py | implementation_optimize_tck | def implementation_optimize_tck(tck):
'''Converts 1-d or 2-d splines calculated with SciPy's `splrep` or
`bisplrep` to a format for fastest computation - lists in PyPy, and numpy
arrays otherwise.
Only implemented for 3 and 5 length `tck`s.
'''
if IS_PYPY:
return tck
else:
... | python | def implementation_optimize_tck(tck):
'''Converts 1-d or 2-d splines calculated with SciPy's `splrep` or
`bisplrep` to a format for fastest computation - lists in PyPy, and numpy
arrays otherwise.
Only implemented for 3 and 5 length `tck`s.
'''
if IS_PYPY:
return tck
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8,281 | CalebBell/fluids | fluids/numerics/__init__.py | py_bisect | def py_bisect(f, a, b, args=(), xtol=_xtol, rtol=_rtol, maxiter=_iter,
ytol=None, full_output=False, disp=True):
'''Port of SciPy's C bisect routine.
'''
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fb = f(b, *args)
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raise ValueError("f(a) and f(b) must have different signs")
elif fa =... | python | def py_bisect(f, a, b, args=(), xtol=_xtol, rtol=_rtol, maxiter=_iter,
ytol=None, full_output=False, disp=True):
'''Port of SciPy's C bisect routine.
'''
fa = f(a, *args)
fb = f(b, *args)
if fa*fb > 0.0:
raise ValueError("f(a) and f(b) must have different signs")
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8,282 | CalebBell/fluids | fluids/control_valve.py | is_choked_turbulent_l | def is_choked_turbulent_l(dP, P1, Psat, FF, FL=None, FLP=None, FP=None):
r'''Calculates if a liquid flow in IEC 60534 calculations is critical or
not, for use in IEC 60534 liquid valve sizing calculations.
Either FL may be provided or FLP and FP, depending on the calculation
process.
.. math::
... | python | def is_choked_turbulent_l(dP, P1, Psat, FF, FL=None, FLP=None, FP=None):
r'''Calculates if a liquid flow in IEC 60534 calculations is critical or
not, for use in IEC 60534 liquid valve sizing calculations.
Either FL may be provided or FLP and FP, depending on the calculation
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... | [
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8,283 | CalebBell/fluids | fluids/control_valve.py | is_choked_turbulent_g | def is_choked_turbulent_g(x, Fgamma, xT=None, xTP=None):
r'''Calculates if a gas flow in IEC 60534 calculations is critical or
not, for use in IEC 60534 gas valve sizing calculations.
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x \ge F_\gamma x_T
.. m... | python | def is_choked_turbulent_g(x, Fgamma, xT=None, xTP=None):
r'''Calculates if a gas flow in IEC 60534 calculations is critical or
not, for use in IEC 60534 gas valve sizing calculations.
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x \ge F_\gamma x_T
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8,284 | CalebBell/fluids | fluids/control_valve.py | Reynolds_valve | def Reynolds_valve(nu, Q, D1, FL, Fd, C):
r'''Calculates Reynolds number of a control valve for a liquid or gas
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with kinematic viscosity `nu` according to IEC 60534 calculations.
.. math::
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r'''Calculates Reynolds number of a control valve for a liquid or gas
flowing through it at a specified Q, for a specified D1, FL, Fd, C, and
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8,285 | CalebBell/fluids | fluids/control_valve.py | Reynolds_factor | def Reynolds_factor(FL, C, d, Rev, full_trim=True):
r'''Calculates the Reynolds number factor `FR` for a valve with a Reynolds
number `Rev`, diameter `d`, flow coefficient `C`, liquid pressure recovery
factor `FL`, and with either full or reduced trim, all according to
IEC 60534 calculations.
If f... | python | def Reynolds_factor(FL, C, d, Rev, full_trim=True):
r'''Calculates the Reynolds number factor `FR` for a valve with a Reynolds
number `Rev`, diameter `d`, flow coefficient `C`, liquid pressure recovery
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8,286 | CalebBell/fluids | fluids/units.py | func_args | def func_args(func):
'''Basic function which returns a tuple of arguments of a function or
method.
'''
try:
return tuple(inspect.signature(func).parameters)
except:
return tuple(inspect.getargspec(func).args) | python | def func_args(func):
'''Basic function which returns a tuple of arguments of a function or
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'''
try:
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except:
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8,287 | CalebBell/fluids | fluids/optional/pychebfun.py | cast_scalar | def cast_scalar(method):
"""
Cast scalars to constant interpolating objects
"""
@wraps(method)
def new_method(self, other):
if np.isscalar(other):
other = type(self)([other],self.domain())
return method(self, other)
return new_method | python | def cast_scalar(method):
"""
Cast scalars to constant interpolating objects
"""
@wraps(method)
def new_method(self, other):
if np.isscalar(other):
other = type(self)([other],self.domain())
return method(self, other)
return new_method | [
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8,288 | CalebBell/fluids | fluids/optional/pychebfun.py | dct | def dct(data):
"""
Compute DCT using FFT
"""
N = len(data)//2
fftdata = fftpack.fft(data, axis=0)[:N+1]
fftdata /= N
fftdata[0] /= 2.
fftdata[-1] /= 2.
if np.isrealobj(data):
data = np.real(fftdata)
else:
data = fftdata
return data | python | def dct(data):
"""
Compute DCT using FFT
"""
N = len(data)//2
fftdata = fftpack.fft(data, axis=0)[:N+1]
fftdata /= N
fftdata[0] /= 2.
fftdata[-1] /= 2.
if np.isrealobj(data):
data = np.real(fftdata)
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data = fftdata
return data | [
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8,289 | CalebBell/fluids | fluids/optional/pychebfun.py | Polyfun._cutoff | def _cutoff(self, coeffs, vscale):
"""
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"""
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bnd = self._threshold(vscale)
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8,290 | CalebBell/fluids | fluids/optional/pychebfun.py | Polyfun.same_domain | def same_domain(self, fun2):
"""
Returns True if the domains of two objects are the same.
"""
return np.allclose(self.domain(), fun2.domain(), rtol=1e-14, atol=1e-14) | python | def same_domain(self, fun2):
"""
Returns True if the domains of two objects are the same.
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8,291 | CalebBell/fluids | fluids/optional/pychebfun.py | Polyfun.restrict | def restrict(self,subinterval):
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if (subinterval[0] < self._domain[0]) or (subinterval[1] > self._domain[1]):
raise ValueError("Can only restrict to subinterval")
return self.from_function(self, subinterval) | python | def restrict(self,subinterval):
"""
Return a Polyfun that matches self on subinterval.
"""
if (subinterval[0] < self._domain[0]) or (subinterval[1] > self._domain[1]):
raise ValueError("Can only restrict to subinterval")
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8,292 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.basis | def basis(self, n):
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vals = np.ones(n+1)
vals[1::2] = -1
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"""
Chebyshev basis functions T_n.
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if n == 0:
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8,293 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.sum | def sum(self):
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a_, b_ = self... | python | def sum(self):
"""
Evaluate the integral over the given interval using
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"""
ak = self.coefficients()
ak2 = ak[::2]
n = len(ak2)
Tints = 2/(1-(2*np.arange(n))**2)
val = np.sum((Tints*ak2.T).T, axis=0)
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8,294 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.integrate | def integrate(self):
"""
Return the object representing the primitive of self over the domain. The
output starts at zero on the left-hand side of the domain.
"""
coeffs = self.coefficients()
a,b = self.domain()
int_coeffs = 0.5*(b-a)*poly.chebyshev.chebint(coeffs)... | python | def integrate(self):
"""
Return the object representing the primitive of self over the domain. The
output starts at zero on the left-hand side of the domain.
"""
coeffs = self.coefficients()
a,b = self.domain()
int_coeffs = 0.5*(b-a)*poly.chebyshev.chebint(coeffs)... | [
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8,295 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.differentiate | def differentiate(self, n=1):
"""
n-th derivative, default 1.
"""
ak = self.coefficients()
a_, b_ = self.domain()
for _ in range(n):
ak = self.differentiator(ak)
return self.from_coeff((2./(b_-a_))**n*ak, domain=self.domain()) | python | def differentiate(self, n=1):
"""
n-th derivative, default 1.
"""
ak = self.coefficients()
a_, b_ = self.domain()
for _ in range(n):
ak = self.differentiator(ak)
return self.from_coeff((2./(b_-a_))**n*ak, domain=self.domain()) | [
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8,296 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.sample_function | def sample_function(self, f, N):
"""
Sample a function on N+1 Chebyshev points.
"""
x = self.interpolation_points(N+1)
return f(x) | python | def sample_function(self, f, N):
"""
Sample a function on N+1 Chebyshev points.
"""
x = self.interpolation_points(N+1)
return f(x) | [
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] | 57f556752e039f1d3e5a822f408c184783db2828 | https://github.com/CalebBell/fluids/blob/57f556752e039f1d3e5a822f408c184783db2828/fluids/optional/pychebfun.py#L538-L543 |
8,297 | CalebBell/fluids | fluids/optional/pychebfun.py | Chebfun.interpolator | def interpolator(self, x, values):
"""
Returns a polynomial with vector coefficients which interpolates the values at the Chebyshev points x
"""
# hacking the barycentric interpolator by computing the weights in advance
p = Bary([0.])
N = len(values)
weights = np.... | python | def interpolator(self, x, values):
"""
Returns a polynomial with vector coefficients which interpolates the values at the Chebyshev points x
"""
# hacking the barycentric interpolator by computing the weights in advance
p = Bary([0.])
N = len(values)
weights = np.... | [
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8,298 | CalebBell/fluids | fluids/drag.py | drag_sphere | def drag_sphere(Re, Method=None, AvailableMethods=False):
r'''This function handles calculation of drag coefficient on spheres.
Twenty methods are available, all requiring only the Reynolds number of the
sphere. Most methods are valid from Re=0 to Re=200,000. A correlation will
be automatically selected... | python | def drag_sphere(Re, Method=None, AvailableMethods=False):
r'''This function handles calculation of drag coefficient on spheres.
Twenty methods are available, all requiring only the Reynolds number of the
sphere. Most methods are valid from Re=0 to Re=200,000. A correlation will
be automatically selected... | [
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Twenty methods are available, all requiring only the Reynolds number of the
sphere. Most methods are valid from Re=0 to Re=200,000. A correlation will
be automatically selected if none is specified. The full list of correlations
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8,299 | CalebBell/fluids | fluids/drag.py | v_terminal | def v_terminal(D, rhop, rho, mu, Method=None):
r'''Calculates terminal velocity of a falling sphere using any drag
coefficient method supported by `drag_sphere`. The laminar solution for
Re < 0.01 is first tried; if the resulting terminal velocity does not
put it in the laminar regime, a numerical solut... | python | def v_terminal(D, rhop, rho, mu, Method=None):
r'''Calculates terminal velocity of a falling sphere using any drag
coefficient method supported by `drag_sphere`. The laminar solution for
Re < 0.01 is first tried; if the resulting terminal velocity does not
put it in the laminar regime, a numerical solut... | [
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coefficient method supported by `drag_sphere`. The laminar solution for
Re < 0.01 is first tried; if the resulting terminal velocity does not
put it in the laminar regime, a numerical solution is used.
.. math::
v_t = \sqrt{\fr... | [
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