Gecko [ theprintave.ca ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
asyncio	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
collections	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
concurrent	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
config-3.10-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2025-02-22 06:15
ctypes	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
curses	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
dbm	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
distutils	[ DIR ]	drwxr-xr-x	2025-02-22 06:15
email	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
encodings	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
html	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
http	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
importlib	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
json	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
lib-dynload	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
lib2to3	[ DIR ]	drwxr-xr-x	2024-02-16 18:45
logging	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
multiprocessing	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
pydoc_data	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
sqlite3	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
test	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
unittest	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
urllib	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
venv	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
wsgiref	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
xml	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
xmlrpc	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
zoneinfo	[ DIR ]	drwxr-xr-x	2025-02-22 06:16
LICENSE.txt	13.61 KB	-rw-r--r--	2025-02-04 14:57
__future__.py	5.03 KB	-rw-r--r--	2025-02-04 14:57
__phello__.foo.py	64 B	-rw-r--r--	2025-02-04 14:57
_aix_support.py	3.19 KB	-rw-r--r--	2025-02-04 14:57
_bootsubprocess.py	2.61 KB	-rw-r--r--	2025-02-04 14:57
_collections_abc.py	31.53 KB	-rw-r--r--	2025-02-04 14:57
_compat_pickle.py	8.54 KB	-rw-r--r--	2025-02-04 14:57
_compression.py	5.55 KB	-rw-r--r--	2025-02-04 14:57
_distutils_system_mod.py	6.16 KB	-rw-r--r--	2025-02-04 14:57
_markupbase.py	14.31 KB	-rw-r--r--	2025-02-04 14:57
_osx_support.py	21.28 KB	-rw-r--r--	2025-02-04 14:57
_py_abc.py	6.04 KB	-rw-r--r--	2025-02-04 14:57
_pydecimal.py	223.32 KB	-rw-r--r--	2025-02-04 14:57
_pyio.py	92.25 KB	-rw-r--r--	2025-02-04 14:57
_sitebuiltins.py	3.05 KB	-rw-r--r--	2025-02-04 14:57
_strptime.py	24.68 KB	-rw-r--r--	2025-02-04 14:57
_sysconfigdata__linux_x86_64-linux-gnu.py	26.84 KB	-rw-r--r--	2025-02-04 14:57
_sysconfigdata__x86_64-linux-gnu.py	26.84 KB	-rw-r--r--	2025-02-04 14:57
_threading_local.py	7.05 KB	-rw-r--r--	2025-02-04 14:57
_weakrefset.py	5.78 KB	-rw-r--r--	2025-02-04 14:57
abc.py	6.37 KB	-rw-r--r--	2025-02-04 14:57
aifc.py	31.84 KB	-rw-r--r--	2025-02-04 14:57
antigravity.py	500 B	-rw-r--r--	2025-02-04 14:57
argparse.py	96.52 KB	-rw-r--r--	2025-02-04 14:57
ast.py	58.5 KB	-rw-r--r--	2025-02-04 14:57
asynchat.py	11.25 KB	-rw-r--r--	2025-02-04 14:57
asyncore.py	19.79 KB	-rw-r--r--	2025-02-04 14:57
base64.py	20.36 KB	-rwxr-xr-x	2025-02-04 14:57
bdb.py	31.64 KB	-rw-r--r--	2025-02-04 14:57
binhex.py	14.44 KB	-rw-r--r--	2025-02-04 14:57
bisect.py	3.06 KB	-rw-r--r--	2025-02-04 14:57
bz2.py	11.57 KB	-rw-r--r--	2025-02-04 14:57
cProfile.py	6.2 KB	-rwxr-xr-x	2025-02-04 14:57
calendar.py	24 KB	-rw-r--r--	2025-02-04 14:57
cgi.py	33.3 KB	-rwxr-xr-x	2025-02-04 14:57
cgitb.py	11.81 KB	-rw-r--r--	2025-02-04 14:57
chunk.py	5.31 KB	-rw-r--r--	2025-02-04 14:57
cmd.py	14.51 KB	-rw-r--r--	2025-02-04 14:57
code.py	10.37 KB	-rw-r--r--	2025-02-04 14:57
codecs.py	35.85 KB	-rw-r--r--	2025-02-04 14:57
codeop.py	5.48 KB	-rw-r--r--	2025-02-04 14:57
colorsys.py	3.92 KB	-rw-r--r--	2025-02-04 14:57
compileall.py	19.78 KB	-rw-r--r--	2025-02-04 14:57
configparser.py	53.33 KB	-rw-r--r--	2025-02-04 14:57
contextlib.py	25.28 KB	-rw-r--r--	2025-02-04 14:57
contextvars.py	129 B	-rw-r--r--	2025-02-04 14:57
copy.py	8.48 KB	-rw-r--r--	2025-02-04 14:57
copyreg.py	7.25 KB	-rw-r--r--	2025-02-04 14:57
crypt.py	3.76 KB	-rw-r--r--	2025-02-04 14:57
csv.py	15.65 KB	-rw-r--r--	2025-02-04 14:57
dataclasses.py	55.07 KB	-rw-r--r--	2025-02-04 14:57
datetime.py	86.02 KB	-rw-r--r--	2025-02-04 14:57
decimal.py	320 B	-rw-r--r--	2025-02-04 14:57
difflib.py	81.36 KB	-rw-r--r--	2025-02-04 14:57
dis.py	19.55 KB	-rw-r--r--	2025-02-04 14:57
doctest.py	102.68 KB	-rw-r--r--	2025-02-04 14:57
enum.py	38.9 KB	-rw-r--r--	2025-02-04 14:57
filecmp.py	9.94 KB	-rw-r--r--	2025-02-04 14:57
fileinput.py	16.06 KB	-rw-r--r--	2025-02-04 14:57
fnmatch.py	6.56 KB	-rw-r--r--	2025-02-04 14:57
fractions.py	27.58 KB	-rw-r--r--	2025-02-04 14:57
ftplib.py	34.66 KB	-rw-r--r--	2025-02-04 14:57
functools.py	37.18 KB	-rw-r--r--	2025-02-04 14:57
genericpath.py	4.86 KB	-rw-r--r--	2025-02-04 14:57
getopt.py	7.31 KB	-rw-r--r--	2025-02-04 14:57
getpass.py	5.85 KB	-rw-r--r--	2025-02-04 14:57
gettext.py	27.04 KB	-rw-r--r--	2025-02-04 14:57
glob.py	7.7 KB	-rw-r--r--	2025-02-04 14:57
graphlib.py	9.35 KB	-rw-r--r--	2025-02-04 14:57
gzip.py	21.34 KB	-rw-r--r--	2025-02-04 14:57
hashlib.py	9.99 KB	-rw-r--r--	2025-02-04 14:57
heapq.py	22.34 KB	-rw-r--r--	2025-02-04 14:57
hmac.py	7.54 KB	-rw-r--r--	2025-02-04 14:57
imaplib.py	53.58 KB	-rw-r--r--	2025-02-04 14:57
imghdr.py	3.72 KB	-rw-r--r--	2025-02-04 14:57
imp.py	10.34 KB	-rw-r--r--	2025-02-04 14:57
inspect.py	121.46 KB	-rw-r--r--	2025-02-04 14:57
io.py	4.1 KB	-rw-r--r--	2025-02-04 14:57
ipaddress.py	75.96 KB	-rw-r--r--	2025-02-04 14:57
keyword.py	1.04 KB	-rw-r--r--	2025-02-04 14:57
linecache.py	5.56 KB	-rw-r--r--	2025-02-04 14:57
locale.py	76.3 KB	-rw-r--r--	2025-02-04 14:57
lzma.py	12.97 KB	-rw-r--r--	2025-02-04 14:57
mailbox.py	76.95 KB	-rw-r--r--	2025-02-04 14:57
mailcap.py	8.9 KB	-rw-r--r--	2025-02-04 14:57
mimetypes.py	22.01 KB	-rw-r--r--	2025-02-04 14:57
modulefinder.py	23.83 KB	-rw-r--r--	2025-02-04 14:57
netrc.py	5.61 KB	-rw-r--r--	2025-02-04 14:57
nntplib.py	40.06 KB	-rw-r--r--	2025-02-04 14:57
ntpath.py	28.79 KB	-rw-r--r--	2025-02-04 14:57
nturl2path.py	2.82 KB	-rw-r--r--	2025-02-04 14:57
numbers.py	10.11 KB	-rw-r--r--	2025-02-04 14:57
opcode.py	5.76 KB	-rw-r--r--	2025-02-04 14:57
operator.py	10.5 KB	-rw-r--r--	2025-02-04 14:57
optparse.py	58.95 KB	-rw-r--r--	2025-02-04 14:57
os.py	38.63 KB	-rw-r--r--	2025-02-04 14:57
pathlib.py	48.41 KB	-rw-r--r--	2025-02-04 14:57
pdb.py	61.74 KB	-rwxr-xr-x	2025-02-04 14:57
pickle.py	63.43 KB	-rw-r--r--	2025-02-04 14:57
pickletools.py	91.29 KB	-rw-r--r--	2025-02-04 14:57
pipes.py	8.71 KB	-rw-r--r--	2025-02-04 14:57
pkgutil.py	24 KB	-rw-r--r--	2025-02-04 14:57
platform.py	41.04 KB	-rwxr-xr-x	2025-02-04 14:57
plistlib.py	27.69 KB	-rw-r--r--	2025-02-04 14:57
poplib.py	14.84 KB	-rw-r--r--	2025-02-04 14:57
posixpath.py	15.87 KB	-rw-r--r--	2025-02-04 14:57
pprint.py	23.87 KB	-rw-r--r--	2025-02-04 14:57
profile.py	22.35 KB	-rwxr-xr-x	2025-02-04 14:57
pstats.py	28.64 KB	-rw-r--r--	2025-02-04 14:57
pty.py	5.09 KB	-rw-r--r--	2025-02-04 14:57
py_compile.py	7.69 KB	-rw-r--r--	2025-02-04 14:57
pyclbr.py	11.13 KB	-rw-r--r--	2025-02-04 14:57
pydoc.py	107.31 KB	-rwxr-xr-x	2025-02-04 14:57
queue.py	11.23 KB	-rw-r--r--	2025-02-04 14:57
quopri.py	7.1 KB	-rwxr-xr-x	2025-02-04 14:57
random.py	32.44 KB	-rw-r--r--	2025-02-04 14:57
re.py	15.49 KB	-rw-r--r--	2025-02-04 14:57
reprlib.py	5.14 KB	-rw-r--r--	2025-02-04 14:57
rlcompleter.py	7.63 KB	-rw-r--r--	2025-02-04 14:57
runpy.py	12.8 KB	-rw-r--r--	2025-02-04 14:57
sched.py	6.2 KB	-rw-r--r--	2025-02-04 14:57
secrets.py	1.99 KB	-rw-r--r--	2025-02-04 14:57
selectors.py	19.08 KB	-rw-r--r--	2025-02-04 14:57
shelve.py	8.36 KB	-rw-r--r--	2025-02-04 14:57
shlex.py	13.18 KB	-rw-r--r--	2025-02-04 14:57
shutil.py	53.29 KB	-rw-r--r--	2025-02-04 14:57
signal.py	2.38 KB	-rw-r--r--	2025-02-04 14:57
site.py	23.11 KB	-rw-r--r--	2025-02-04 14:57
sitecustomize.py	155 B	-rw-r--r--	2023-11-20 15:14
smtpd.py	34.34 KB	-rwxr-xr-x	2025-02-04 14:57
smtplib.py	44.35 KB	-rwxr-xr-x	2025-02-04 14:57
sndhdr.py	6.93 KB	-rw-r--r--	2025-02-04 14:57
socket.py	35.92 KB	-rw-r--r--	2025-02-04 14:57
socketserver.py	26.66 KB	-rw-r--r--	2025-02-04 14:57
sre_compile.py	27.32 KB	-rw-r--r--	2025-02-04 14:57
sre_constants.py	7.01 KB	-rw-r--r--	2025-02-04 14:57
sre_parse.py	39.82 KB	-rw-r--r--	2025-02-04 14:57
ssl.py	52.47 KB	-rw-r--r--	2025-02-04 14:57
stat.py	5.36 KB	-rw-r--r--	2025-02-04 14:57
statistics.py	42.19 KB	-rw-r--r--	2025-02-04 14:57
string.py	10.32 KB	-rw-r--r--	2025-02-04 14:57
stringprep.py	12.61 KB	-rw-r--r--	2025-02-04 14:57
struct.py	257 B	-rw-r--r--	2025-02-04 14:57
subprocess.py	82.93 KB	-rw-r--r--	2025-02-04 14:57
sunau.py	17.73 KB	-rw-r--r--	2025-02-04 14:57
symtable.py	9.98 KB	-rw-r--r--	2025-02-04 14:57
sysconfig.py	28.71 KB	-rw-r--r--	2025-02-04 14:57
tabnanny.py	11.03 KB	-rwxr-xr-x	2025-02-04 14:57
tarfile.py	104.81 KB	-rwxr-xr-x	2025-02-04 14:57
telnetlib.py	22.71 KB	-rw-r--r--	2025-02-04 14:57
tempfile.py	33.76 KB	-rw-r--r--	2025-02-04 14:57
textwrap.py	19.31 KB	-rw-r--r--	2025-02-04 14:57
this.py	1003 B	-rw-r--r--	2025-02-04 14:57
threading.py	55.86 KB	-rw-r--r--	2025-02-04 14:57
timeit.py	13.18 KB	-rwxr-xr-x	2025-02-04 14:57
token.py	2.33 KB	-rw-r--r--	2025-02-04 14:57
tokenize.py	25.31 KB	-rw-r--r--	2025-02-04 14:57
trace.py	28.53 KB	-rwxr-xr-x	2025-02-04 14:57
traceback.py	25.61 KB	-rw-r--r--	2025-02-04 14:57
tracemalloc.py	17.62 KB	-rw-r--r--	2025-02-04 14:57
tty.py	879 B	-rw-r--r--	2025-02-04 14:57
turtle.py	140.39 KB	-rw-r--r--	2025-02-04 14:57
types.py	9.88 KB	-rw-r--r--	2025-02-04 14:57
typing.py	90.39 KB	-rw-r--r--	2025-02-04 14:57
uu.py	7.13 KB	-rwxr-xr-x	2025-02-04 14:57
uuid.py	26.86 KB	-rw-r--r--	2025-02-04 14:57
warnings.py	19.23 KB	-rw-r--r--	2025-02-04 14:57
wave.py	17.58 KB	-rw-r--r--	2025-02-04 14:57
weakref.py	21.05 KB	-rw-r--r--	2025-02-04 14:57
webbrowser.py	23.68 KB	-rwxr-xr-x	2025-02-04 14:57
xdrlib.py	5.77 KB	-rw-r--r--	2025-02-04 14:57
zipapp.py	7.36 KB	-rw-r--r--	2025-02-04 14:57
zipfile.py	88.08 KB	-rw-r--r--	2025-02-04 14:57
zipimport.py	30.17 KB	-rw-r--r--	2025-02-04 14:57

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", "lazycache"]

# 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."""
    cache.clear()

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

lines = getlines(filename, module_globals)
    if 1 <= lineno <= len(lines):
        return lines[lineno - 1]
    return ''

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())
    elif 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:
            cache.pop(filename, None)
            continue
        if size != stat.st_size or mtime != stat.st_mtime:
            cache.pop(filename, None)

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:
            cache.pop(filename, None)
    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, UnicodeDecodeError, SyntaxError):
        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 cacheable
        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 '__name__' in module_globals:
        name = module_globals['__name__']
        if (loader := module_globals.get('__loader__')) is None:
            if spec := module_globals.get('__spec__'):
                try:
                    loader = spec.loader
                except AttributeError:
                    pass
        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