python.TrigARTUtils Namespace Reference

Functions
	package_prefix (package)
	duplicate_filename (list, filename)
	find_scripts (patterns)
	remember_cwd ()
	first_existing_file (file_list)
	newest_file (pattern)

Detailed Description

Functions useful for dealing with Trigger ART test scripts

Function Documentation

duplicate_filename()

python.TrigARTUtils.duplicate_filename	(		list,
			filename )

Definition at line 23 of file TrigARTUtils.py.

def duplicate_filename(list, filename):
    for path in list:
        if os.path.basename(path) == filename:
            return True
    return False
 
 

find_scripts()

python.TrigARTUtils.find_scripts

(

patterns

)

Definition at line 30 of file TrigARTUtils.py.

def find_scripts(patterns):
    scripts = []
    for path in os.environ['PATH'].split(os.pathsep):
        try:
            files = os.listdir(path)
        except OSError:
            continue
        for filename in files:
            matched = True
            for patt in patterns:
                if re.search(patt, filename) is None:
                    matched = False
                    break
            if matched and not duplicate_filename(scripts, filename):
                scripts.append(os.path.join(path, filename))
    scripts.sort()
    return scripts
 
 
@contextmanager

first_existing_file()

python.TrigARTUtils.first_existing_file

(

file_list

)

Returns the first file name from the list which corresponds to an existing file.
Returns None if none of the files in the list exist.

Definition at line 59 of file TrigARTUtils.py.

def first_existing_file(file_list):
    '''
    Returns the first file name from the list which corresponds to an existing file.
    Returns None if none of the files in the list exist.
    '''
    for file_name in file_list:
        if os.path.isfile(file_name):
            return file_name
    return None
 
 

newest_file()

python.TrigARTUtils.newest_file

(

pattern

)

Returns the newest file (by modification date) in the current directory
with a name matching the pattern. Returns None if no file is matched.

Definition at line 70 of file TrigARTUtils.py.

def newest_file(pattern):
    '''
    Returns the newest file (by modification date) in the current directory
    with a name matching the pattern. Returns None if no file is matched.
    '''
    all_files = os.listdir('.')
    rx = re.compile(pattern)
    matched_files = [f for f in all_files if re.search(rx, f)]
    if not matched_files:
        return None
    matched_files.sort(key=lambda f: os.stat(f).st_mtime)
    return matched_files[-1]

package_prefix()

python.TrigARTUtils.package_prefix

(

package

)

Returns a prefix included in names of all tests from the given package

Definition at line 12 of file TrigARTUtils.py.

def package_prefix(package):
    '''Returns a prefix included in names of all tests from the given package'''
    from TrigValTools.TrigValSteering.Common import package_prefix_dict
    if package == 'ALL':
        return '({})'.format('|'.join(package_prefix_dict.values()))
    elif package in package_prefix_dict.keys():
        return package_prefix_dict[package]
    else:
        return None
 
 

remember_cwd()

python.TrigARTUtils.remember_cwd

(

)

Simple pushd/popd replacement from https://stackoverflow.com/a/169112

Definition at line 50 of file TrigARTUtils.py.

def remember_cwd():
    '''Simple pushd/popd replacement from https://stackoverflow.com/a/169112'''
    curdir = os.getcwd()
    try:
        yield
    finally:
        os.chdir(curdir)