Gecko [ naturenectar.co.uk ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
asyncio	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
collections	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
concurrent	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
config-3.6m	[ DIR ]	drwxr-xr-x	2025-08-15 19:32
ctypes	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
curses	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
dbm	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
distutils	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
email	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
encodings	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
ensurepip	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
html	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
http	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
idlelib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
importlib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
json	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
lib-dynload	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
lib2to3	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
logging	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
multiprocessing	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
pydoc_data	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
site-packages	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
sqlite3	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
test	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
unittest	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
urllib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
venv	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
wsgiref	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
xml	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
xmlrpc	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
__future__.py	4.73 KB	-rw-r--r--	2024-04-17 17:32
__phello__.foo.py	64 B	-rw-r--r--	2024-04-17 17:32
_bootlocale.py	1.27 KB	-rw-r--r--	2024-04-17 17:32
_collections_abc.py	25.77 KB	-rw-r--r--	2024-04-17 17:32
_compat_pickle.py	8.54 KB	-rw-r--r--	2024-04-17 17:32
_compression.py	5.21 KB	-rw-r--r--	2024-04-17 17:32
_dummy_thread.py	5 KB	-rw-r--r--	2024-04-17 17:32
_markupbase.py	14.26 KB	-rw-r--r--	2024-04-17 17:32
_osx_support.py	18.69 KB	-rw-r--r--	2024-04-17 17:32
_pydecimal.py	224.83 KB	-rw-r--r--	2024-04-17 17:32
_pyio.py	86.03 KB	-rw-r--r--	2024-04-17 17:32
_sitebuiltins.py	3.04 KB	-rw-r--r--	2024-04-17 17:32
_strptime.py	24.17 KB	-rw-r--r--	2024-04-17 17:32
_sysconfigdata_dm_linux_x86_64-linux-gnu.py	28.89 KB	-rw-r--r--	2024-04-17 17:32
_sysconfigdata_m_linux_x86_64-linux-gnu.py	27.86 KB	-rw-r--r--	2024-04-17 17:32
_threading_local.py	7.04 KB	-rw-r--r--	2024-04-17 17:32
_weakrefset.py	5.57 KB	-rw-r--r--	2024-04-17 17:32
abc.py	8.52 KB	-rw-r--r--	2024-04-17 17:32
aifc.py	31.69 KB	-rw-r--r--	2024-04-17 17:32
antigravity.py	477 B	-rw-r--r--	2024-04-17 17:32
argparse.py	88.25 KB	-rw-r--r--	2024-04-17 17:32
ast.py	11.88 KB	-rw-r--r--	2024-04-17 17:32
asynchat.py	11.06 KB	-rw-r--r--	2024-04-17 17:32
asyncore.py	19.69 KB	-rw-r--r--	2024-04-17 17:32
base64.py	19.91 KB	-rwxr-xr-x	2024-04-17 17:32
bdb.py	23 KB	-rw-r--r--	2024-04-17 17:32
binhex.py	13.63 KB	-rw-r--r--	2024-04-17 17:32
bisect.py	2.53 KB	-rw-r--r--	2024-04-17 17:32
bz2.py	12.19 KB	-rw-r--r--	2024-04-17 17:32
cProfile.py	5.26 KB	-rwxr-xr-x	2024-04-17 17:32
calendar.py	22.67 KB	-rw-r--r--	2024-04-17 17:32
cgi.py	36.21 KB	-rwxr-xr-x	2024-04-17 17:32
cgitb.py	11.74 KB	-rw-r--r--	2024-04-17 17:32
chunk.py	5.3 KB	-rw-r--r--	2024-04-17 17:32
cmd.py	14.51 KB	-rw-r--r--	2024-04-17 17:32
code.py	10.37 KB	-rw-r--r--	2024-04-17 17:32
codecs.py	35.43 KB	-rw-r--r--	2024-04-17 17:32
codeop.py	5.85 KB	-rw-r--r--	2024-04-17 17:32
colorsys.py	3.97 KB	-rw-r--r--	2024-04-17 17:32
compileall.py	11.84 KB	-rw-r--r--	2024-04-17 17:32
configparser.py	52.34 KB	-rw-r--r--	2024-04-17 17:32
contextlib.py	12.85 KB	-rw-r--r--	2024-04-17 17:32
copy.py	8.61 KB	-rw-r--r--	2024-04-17 17:32
copyreg.py	6.84 KB	-rw-r--r--	2024-04-17 17:32
crypt.py	1.82 KB	-rw-r--r--	2024-04-17 17:32
csv.py	15.8 KB	-rw-r--r--	2024-04-17 17:32
datetime.py	80.11 KB	-rw-r--r--	2024-04-17 17:32
decimal.py	320 B	-rw-r--r--	2024-04-17 17:32
difflib.py	82.4 KB	-rw-r--r--	2024-04-17 17:32
dis.py	17.71 KB	-rw-r--r--	2024-04-17 17:32
doctest.py	101.94 KB	-rw-r--r--	2024-04-17 17:32
dummy_threading.py	2.75 KB	-rw-r--r--	2024-04-17 17:32
enum.py	32.82 KB	-rw-r--r--	2024-04-17 17:32
filecmp.py	9.6 KB	-rw-r--r--	2024-04-17 17:32
fileinput.py	14.13 KB	-rw-r--r--	2024-04-17 17:32
fnmatch.py	3.09 KB	-rw-r--r--	2024-04-17 17:32
formatter.py	14.79 KB	-rw-r--r--	2024-04-17 17:32
fractions.py	23.08 KB	-rw-r--r--	2024-04-17 17:32
ftplib.py	34.78 KB	-rw-r--r--	2024-04-17 17:32
functools.py	30.61 KB	-rw-r--r--	2024-04-17 17:32
genericpath.py	4.64 KB	-rw-r--r--	2024-04-17 17:32
getopt.py	7.31 KB	-rw-r--r--	2024-04-17 17:32
getpass.py	5.85 KB	-rw-r--r--	2024-04-17 17:32
gettext.py	21.03 KB	-rw-r--r--	2024-04-17 17:32
glob.py	5.51 KB	-rw-r--r--	2024-04-17 17:32
gzip.py	19.86 KB	-rw-r--r--	2024-04-17 17:32
hashlib.py	9.31 KB	-rw-r--r--	2024-04-17 17:32
heapq.py	22.39 KB	-rw-r--r--	2024-04-17 17:32
hmac.py	4.94 KB	-rw-r--r--	2024-04-17 17:32
imaplib.py	52.05 KB	-rw-r--r--	2024-04-17 17:32
imghdr.py	3.71 KB	-rw-r--r--	2024-04-17 17:32
imp.py	10.42 KB	-rw-r--r--	2024-04-17 17:32
inspect.py	114.22 KB	-rw-r--r--	2024-04-17 17:32
io.py	3.43 KB	-rw-r--r--	2024-04-17 17:32
ipaddress.py	72.82 KB	-rw-r--r--	2024-04-17 17:32
keyword.py	2.17 KB	-rwxr-xr-x	2024-04-17 17:32
linecache.py	5.19 KB	-rw-r--r--	2024-04-17 17:32
locale.py	75.49 KB	-rw-r--r--	2024-04-17 17:32
lzma.py	12.68 KB	-rw-r--r--	2024-04-17 17:32
macpath.py	5.83 KB	-rw-r--r--	2024-04-17 17:32
macurl2path.py	2.67 KB	-rw-r--r--	2024-04-17 17:32
mailbox.py	76.78 KB	-rw-r--r--	2024-04-17 17:32
mailcap.py	7.91 KB	-rw-r--r--	2024-04-17 17:32
mimetypes.py	20.55 KB	-rw-r--r--	2024-04-17 17:32
modulefinder.py	22.49 KB	-rw-r--r--	2024-04-17 17:32
netrc.py	5.55 KB	-rw-r--r--	2024-04-17 17:32
nntplib.py	42.07 KB	-rw-r--r--	2024-04-17 17:32
ntpath.py	22.55 KB	-rw-r--r--	2024-04-17 17:32
nturl2path.py	2.39 KB	-rw-r--r--	2024-04-17 17:32
numbers.py	10 KB	-rw-r--r--	2024-04-17 17:32
opcode.py	5.69 KB	-rw-r--r--	2024-04-17 17:32
operator.py	10.61 KB	-rw-r--r--	2024-04-17 17:32
optparse.py	58.96 KB	-rw-r--r--	2024-04-17 17:32
os.py	36.65 KB	-rw-r--r--	2024-04-17 17:32
pathlib.py	47.83 KB	-rw-r--r--	2024-04-17 17:32
pdb.py	59.89 KB	-rwxr-xr-x	2024-04-17 17:32
pickle.py	54.39 KB	-rw-r--r--	2024-04-17 17:32
pickletools.py	89.62 KB	-rw-r--r--	2024-04-17 17:32
pipes.py	8.71 KB	-rw-r--r--	2024-04-17 17:32
pkgutil.py	20.82 KB	-rw-r--r--	2024-04-17 17:32
platform.py	46.1 KB	-rwxr-xr-x	2024-04-17 17:32
plistlib.py	32.02 KB	-rw-r--r--	2024-04-17 17:32
poplib.py	14.61 KB	-rw-r--r--	2024-04-17 17:32
posixpath.py	15.4 KB	-rw-r--r--	2024-04-17 17:32
pprint.py	20.37 KB	-rw-r--r--	2024-04-17 17:32
profile.py	21.52 KB	-rwxr-xr-x	2024-04-17 17:32
pstats.py	25.94 KB	-rw-r--r--	2024-04-17 17:32
pty.py	4.65 KB	-rw-r--r--	2024-04-17 17:32
py_compile.py	7.01 KB	-rw-r--r--	2024-04-17 17:32
pyclbr.py	13.24 KB	-rw-r--r--	2024-04-17 17:32
pydoc.py	101.08 KB	-rw-r--r--	2024-04-17 17:32
queue.py	8.57 KB	-rw-r--r--	2024-04-17 17:32
quopri.py	7.09 KB	-rwxr-xr-x	2024-04-17 17:32
random.py	26.8 KB	-rw-r--r--	2024-04-17 17:32
re.py	15.19 KB	-rw-r--r--	2024-04-17 17:32
reprlib.py	5.21 KB	-rw-r--r--	2024-04-17 17:32
rlcompleter.py	6.93 KB	-rw-r--r--	2024-04-17 17:32
runpy.py	11.68 KB	-rw-r--r--	2024-04-17 17:32
sched.py	6.36 KB	-rw-r--r--	2024-04-17 17:32
secrets.py	1.99 KB	-rw-r--r--	2024-04-17 17:32
selectors.py	18.98 KB	-rw-r--r--	2024-04-17 17:32
shelve.py	8.32 KB	-rw-r--r--	2024-04-17 17:32
shlex.py	12.65 KB	-rw-r--r--	2024-04-17 17:32
shutil.py	39.59 KB	-rw-r--r--	2024-04-17 17:32
signal.py	2.07 KB	-rw-r--r--	2024-04-17 17:32
site.py	20.53 KB	-rw-r--r--	2024-04-17 17:32
smtpd.py	33.91 KB	-rwxr-xr-x	2024-04-17 17:32
smtplib.py	43.38 KB	-rwxr-xr-x	2024-04-17 17:32
sndhdr.py	6.92 KB	-rw-r--r--	2024-04-17 17:32
socket.py	26.8 KB	-rw-r--r--	2024-04-17 17:32
socketserver.py	26.38 KB	-rw-r--r--	2024-04-17 17:32
sre_compile.py	18.88 KB	-rw-r--r--	2024-04-17 17:32
sre_constants.py	6.66 KB	-rw-r--r--	2024-04-17 17:32
sre_parse.py	35.68 KB	-rw-r--r--	2024-04-17 17:32
ssl.py	43.74 KB	-rw-r--r--	2024-04-17 17:32
stat.py	4.92 KB	-rw-r--r--	2024-04-17 17:32
statistics.py	20.19 KB	-rw-r--r--	2024-04-17 17:32
string.py	11.52 KB	-rw-r--r--	2024-04-17 17:32
stringprep.py	12.61 KB	-rw-r--r--	2024-04-17 17:32
struct.py	257 B	-rw-r--r--	2024-04-17 17:32
subprocess.py	60.88 KB	-rw-r--r--	2024-04-17 17:32
sunau.py	17.67 KB	-rw-r--r--	2024-04-17 17:32
symbol.py	2.07 KB	-rwxr-xr-x	2024-04-17 17:32
symtable.py	7.11 KB	-rw-r--r--	2024-04-17 17:32
sysconfig.py	24.4 KB	-rw-r--r--	2024-04-17 17:32
tabnanny.py	11.15 KB	-rwxr-xr-x	2024-04-17 17:32
tarfile.py	91.13 KB	-rwxr-xr-x	2024-04-17 17:32
telnetlib.py	22.59 KB	-rw-r--r--	2024-04-17 17:32
tempfile.py	26.15 KB	-rw-r--r--	2024-04-17 17:32
textwrap.py	19.1 KB	-rw-r--r--	2024-04-17 17:32
this.py	1003 B	-rw-r--r--	2024-04-17 17:32
threading.py	47.88 KB	-rw-r--r--	2024-04-17 17:32
timeit.py	13.03 KB	-rwxr-xr-x	2024-04-17 17:32
token.py	3 KB	-rw-r--r--	2024-04-17 17:32
tokenize.py	28.8 KB	-rw-r--r--	2024-04-17 17:32
trace.py	28.06 KB	-rwxr-xr-x	2024-04-17 17:32
traceback.py	22.91 KB	-rw-r--r--	2024-04-17 17:32
tracemalloc.py	16.27 KB	-rw-r--r--	2024-04-17 17:32
tty.py	879 B	-rw-r--r--	2024-04-17 17:32
types.py	8.66 KB	-rw-r--r--	2024-04-17 17:32
typing.py	78.39 KB	-rw-r--r--	2024-04-17 17:32
uu.py	6.75 KB	-rwxr-xr-x	2024-04-17 17:32
uuid.py	23.41 KB	-rw-r--r--	2024-04-17 17:32
warnings.py	18.05 KB	-rw-r--r--	2024-04-17 17:32
wave.py	17.29 KB	-rw-r--r--	2024-04-17 17:32
weakref.py	19.99 KB	-rw-r--r--	2024-04-17 17:32
webbrowser.py	21.26 KB	-rwxr-xr-x	2024-04-17 17:32
xdrlib.py	5.77 KB	-rw-r--r--	2024-04-17 17:32
zipapp.py	6.99 KB	-rw-r--r--	2024-04-17 17:32
zipfile.py	74.49 KB	-rw-r--r--	2024-04-17 17:32

Rename

"""Cache lines from Python source files.

This is intended to read lines from modules imported -- hence if a filename
is not found, it will look down the module search path for a file by
that name.
"""

import functools
import sys
import os
import tokenize

__all__ = ["getline", "clearcache", "checkcache"]

def getline(filename, lineno, module_globals=None):
    lines = getlines(filename, module_globals)
    if 1 <= lineno <= len(lines):
        return lines[lineno-1]
    else:
        return ''

# The cache

# The cache. Maps filenames to either a thunk which will provide source code,
# or a tuple (size, mtime, lines, fullname) once loaded.
cache = {}

def clearcache():
    """Clear the cache entirely."""

global cache
    cache = {}

def getlines(filename, module_globals=None):
    """Get the lines for a Python source file from the cache.
    Update the cache if it doesn't contain an entry for this file already."""

if filename in cache:
        entry = cache[filename]
        if len(entry) != 1:
            return cache[filename][2]

try:
        return updatecache(filename, module_globals)
    except MemoryError:
        clearcache()
        return []

def checkcache(filename=None):
    """Discard cache entries that are out of date.
    (This is not checked upon each call!)"""

if filename is None:
        filenames = list(cache.keys())
    else:
        if filename in cache:
            filenames = [filename]
        else:
            return

for filename in filenames:
        entry = cache[filename]
        if len(entry) == 1:
            # lazy cache entry, leave it lazy.
            continue
        size, mtime, lines, fullname = entry
        if mtime is None:
            continue   # no-op for files loaded via a __loader__
        try:
            stat = os.stat(fullname)
        except OSError:
            del cache[filename]
            continue
        if size != stat.st_size or mtime != stat.st_mtime:
            del cache[filename]

def updatecache(filename, module_globals=None):
    """Update a cache entry and return its list of lines.
    If something's wrong, print a message, discard the cache entry,
    and return an empty list."""

if filename in cache:
        if len(cache[filename]) != 1:
            del cache[filename]
    if not filename or (filename.startswith('<') and filename.endswith('>')):
        return []

fullname = filename
    try:
        stat = os.stat(fullname)
    except OSError:
        basename = filename

# Realise a lazy loader based lookup if there is one
        # otherwise try to lookup right now.
        if lazycache(filename, module_globals):
            try:
                data = cache[filename][0]()
            except (ImportError, OSError):
                pass
            else:
                if data is None:
                    # No luck, the PEP302 loader cannot find the source
                    # for this module.
                    return []
                cache[filename] = (
                    len(data), None,
                    [line+'\n' for line in data.splitlines()], fullname
                )
                return cache[filename][2]

# Try looking through the module search path, which is only useful
        # when handling a relative filename.
        if os.path.isabs(filename):
            return []

for dirname in sys.path:
            try:
                fullname = os.path.join(dirname, basename)
            except (TypeError, AttributeError):
                # Not sufficiently string-like to do anything useful with.
                continue
            try:
                stat = os.stat(fullname)
                break
            except OSError:
                pass
        else:
            return []
    try:
        with tokenize.open(fullname) as fp:
            lines = fp.readlines()
    except OSError:
        return []
    if lines and not lines[-1].endswith('\n'):
        lines[-1] += '\n'
    size, mtime = stat.st_size, stat.st_mtime
    cache[filename] = size, mtime, lines, fullname
    return lines

def lazycache(filename, module_globals):
    """Seed the cache for filename with module_globals.

The module loader will be asked for the source only when getlines is
    called, not immediately.

If there is an entry in the cache already, it is not altered.

:return: True if a lazy load is registered in the cache,
        otherwise False. To register such a load a module loader with a
        get_source method must be found, the filename must be a cachable
        filename, and the filename must not be already cached.
    """
    if filename in cache:
        if len(cache[filename]) == 1:
            return True
        else:
            return False
    if not filename or (filename.startswith('<') and filename.endswith('>')):
        return False
    # Try for a __loader__, if available
    if module_globals and '__loader__' in module_globals:
        name = module_globals.get('__name__')
        loader = module_globals['__loader__']
        get_source = getattr(loader, 'get_source', None)

if name and get_source:
            get_lines = functools.partial(get_source, name)
            cache[filename] = (get_lines,)
            return True
    return False