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Auto-update: Fri Jan 17 13:54:51 PST 2025

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#!/usr/bin/env python3
import argparse
import os
import re
import subprocess
import sys
import urllib.request
import urllib.error
############################
# Shared Data & Constants
############################
BUILTIN_MODULES = {
'abc', 'aifc', 'argparse', 'array', 'ast', 'asynchat', 'asyncio', 'asyncore', 'atexit',
'audioop', 'base64', 'bdb', 'binascii', 'binhex', 'bisect', 'builtins', 'bz2', 'calendar',
'cgi', 'cgitb', 'chunk', 'cmath', 'cmd', 'code', 'codecs', 'codeop', 'collections', 'colorsys',
'compileall', 'concurrent', 'configparser', 'contextlib', 'copy', 'copyreg', 'crypt', 'csv',
'ctypes', 'curses', 'dataclasses', 'datetime', 'dbm', 'decimal', 'difflib', 'dis', 'distutils',
'doctest', 'dummy_threading', 'email', 'encodings', 'ensurepip', 'enum', 'errno', 'faulthandler',
'fcntl', 'filecmp', 'fileinput', 'fnmatch', 'formatter', 'fractions', 'ftplib', 'functools',
'gc', 'getopt', 'getpass', 'gettext', 'glob', 'gzip', 'hashlib', 'heapq', 'hmac', 'html', 'http',
'imaplib', 'imghdr', 'imp', 'importlib', 'inspect', 'io', 'ipaddress', 'itertools', 'json',
'keyword', 'lib2to3', 'linecache', 'locale', 'logging', 'lzma', 'mailbox', 'mailcap', 'marshal',
'math', 'mimetypes', 'modulefinder', 'multiprocessing', 'netrc', 'nntplib', 'numbers', 'operator',
'optparse', 'os', 'ossaudiodev', 'parser', 'pathlib', 'pdb', 'pickle', 'pickletools', 'pipes',
'pkgutil', 'platform', 'plistlib', 'poplib', 'posix', 'pprint', 'profile', 'pstats', 'pty',
'pwd', 'py_compile', 'pyclbr', 'pydoc', 'queue', 'quopri', 'random', 're', 'readline',
'reprlib', 'resource', 'rlcompleter', 'runpy', 'sched', 'secrets', 'select', 'selectors', 'shelve',
'shlex', 'shutil', 'signal', 'site', 'smtpd', 'smtplib', 'sndhdr', 'socket', 'socketserver',
'spwd', 'sqlite3', 'ssl', 'stat', 'statistics', 'string', 'stringprep', 'struct', 'subprocess',
'sunau', 'symtable', 'sys', 'sysconfig', 'syslog', 'tabnanny', 'tarfile', 'telnetlib', 'tempfile',
'termios', 'test', 'textwrap', 'threading', 'time', 'timeit', 'token', 'tokenize', 'trace',
'traceback', 'tracemalloc', 'tty', 'turtle', 'types', 'typing', 'unicodedata', 'unittest',
'urllib', 'uu', 'uuid', 'venv', 'warnings', 'wave', 'weakref', 'webbrowser', 'xdrlib', 'xml',
'xmlrpc', 'zipapp', 'zipfile', 'zipimport', 'zlib'
}
KNOWN_CORRECTIONS = {
'dateutil': 'python-dateutil',
'dotenv': 'python-dotenv',
'docx': 'python-docx',
'tesseract': 'pytesseract',
'magic': 'python-magic',
'multipart': 'python-multipart',
'newspaper': 'newspaper3k',
'srtm': 'elevation',
'yaml': 'pyyaml',
'zoneinfo': 'backports.zoneinfo'
}
EXCLUDED_NAMES = {'models', 'data', 'convert', 'example', 'tests'}
############################
# Environment & Installation
############################
def run_command(command):
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
return process.returncode, stdout.decode(), stderr.decode()
def which(cmd):
"""
Check if `cmd` is on PATH. Returns True if found, else False.
"""
for path in os.environ["PATH"].split(os.pathsep):
if os.path.isdir(path):
cmd_path = os.path.join(path, cmd)
if os.access(cmd_path, os.X_OK):
return True
return False
def in_conda_env():
"""
Returns True if we appear to be in a conda environment,
typically indicated by CONDA_DEFAULT_ENV or other variables.
"""
return "CONDA_DEFAULT_ENV" in os.environ
def is_package_installed(package, skip_conda=False):
"""
Checks if 'package' is installed in either mamba/conda (if in conda env and skip_conda=False) or pip.
"""
if not skip_conda and in_conda_env():
# Try mamba or conda
if which("mamba"):
returncode, stdout, _ = run_command(["mamba", "list"])
if returncode == 0:
pattern = rf"^{re.escape(package)}\s"
if re.search(pattern, stdout, re.MULTILINE):
return True
elif which("conda"):
returncode, stdout, _ = run_command(["conda", "list"])
if returncode == 0:
pattern = rf"^{re.escape(package)}\s"
if re.search(pattern, stdout, re.MULTILINE):
return True
# Fall back to pip
returncode, stdout, _ = run_command(["pip", "list"])
pattern = rf"^{re.escape(package)}\s"
return re.search(pattern, stdout, re.MULTILINE) is not None
def install_package(package, skip_conda=False):
"""
Installs 'package'.
1) If skip_conda=False and in conda env -> try mamba or conda
2) Fallback to pip
"""
if is_package_installed(package, skip_conda=skip_conda):
print(f"Package '{package}' is already installed.")
return
if not skip_conda and in_conda_env():
# check mamba
if which("mamba"):
print(f"Installing '{package}' with mamba...")
returncode, _, _ = run_command(["mamba", "install", "-y", "-c", "conda-forge", package])
if returncode == 0:
print(f"Successfully installed '{package}' via mamba.")
return
print(f"mamba failed for '{package}', falling back to conda/pip...")
# check conda
if which("conda"):
print(f"Installing '{package}' with conda...")
returncode, _, _ = run_command(["conda", "install", "-y", "-c", "conda-forge", package])
if returncode == 0:
print(f"Successfully installed '{package}' via conda.")
return
print(f"conda failed for '{package}', falling back to pip...")
# fallback: pip
print(f"Installing '{package}' with pip...")
returncode, _, _ = run_command(["pip", "install", package])
if returncode != 0:
print(f"Failed to install package '{package}'.")
else:
print(f"Successfully installed '{package}' via pip.")
############################
# Parsing Python Imports
############################
def process_requirements_file(file_path):
packages = set()
with open(file_path, 'r') as file:
for line in file:
line = line.strip()
if line and not line.startswith('#'):
packages.add(line)
return packages
def process_python_file(file_path):
"""
Return a set of external imports (not built-in or excluded).
Applies known corrections to recognized package names.
"""
imports = set()
with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
content = f.read()
for line in content.split('\n'):
line = line.strip()
if line.startswith(('import ', 'from ')) and not line.startswith('#'):
if line.startswith('import '):
modules = line.replace('import ', '').split(',')
for mod in modules:
mod = re.sub(r'\s+as\s+\w+', '', mod).split('.')[0].strip()
if mod and not mod.isupper() and mod not in EXCLUDED_NAMES and mod not in BUILTIN_MODULES:
imports.add(KNOWN_CORRECTIONS.get(mod, mod))
elif line.startswith('from '):
mod = line.split(' ')[1].split('.')[0].strip()
if mod and not mod.isupper() and mod not in EXCLUDED_NAMES and mod not in BUILTIN_MODULES:
imports.add(KNOWN_CORRECTIONS.get(mod, mod))
return imports
def find_imports_in_path(path, recurse=False):
"""
Finds Python imports in the specified path. If path is a file, parse that file;
if path is a dir, parse .py files in that dir. Recurse subdirs if 'recurse=True'.
"""
imports = set()
if not os.path.exists(path):
print(f"Warning: Path does not exist: {path}")
return imports
if os.path.isfile(path):
if path.endswith('.py'):
imports.update(process_python_file(path))
else:
print(f"Skipping non-Python file: {path}")
return imports
# Directory:
if recurse:
for root, _, filenames in os.walk(path):
for fn in filenames:
if fn.endswith('.py'):
imports.update(process_python_file(os.path.join(root, fn)))
else:
for fn in os.listdir(path):
fullpath = os.path.join(path, fn)
if os.path.isfile(fullpath) and fn.endswith('.py'):
imports.update(process_python_file(fullpath))
return imports
############################
# PyPI Availability Check
############################
def check_library_on_pypi(library):
"""
Returns True if 'library' is on PyPI, else False.
Using urllib to avoid external dependencies.
"""
url = f"https://pypi.org/pypi/{library}/json"
try:
with urllib.request.urlopen(url, timeout=5) as resp:
# HTTP 200 => library is found
return (resp.status == 200)
except (urllib.error.URLError, urllib.error.HTTPError, ValueError):
return False
############################
# Subcommand: install
############################
def subcmd_install(args):
"""
If user typed exactly `deps install` or `deps install -r`, we gather imports from current dir,
check PyPI availability, and install them with conda/mamba/pip (unless --no-conda given).
Otherwise we do the normal logic of:
- installing from a requirements file with `-r req.txt`
- installing from a .py file
- installing direct package names
"""
# Check for --no-conda (we remove it from args to not confuse other logic)
skip_conda = False
filtered_args = []
i = 0
while i < len(args):
if args[i] == '--no-conda':
skip_conda = True
i += 1
else:
filtered_args.append(args[i])
i += 1
args = filtered_args
# If user typed exactly: deps install (no arguments) or deps install -r (only that arg)
if not args or (args == ['-r']):
is_recursive = (args == ['-r'])
imports_found = find_imports_in_path('.', recurse=is_recursive)
if not imports_found:
print("No imports found in current directory.")
return
# Filter out those that are on PyPI
to_install = []
for lib in sorted(imports_found):
if check_library_on_pypi(lib):
to_install.append(lib)
else:
print(f"Skipping '{lib}' (not found on PyPI).")
if not to_install:
print("No PyPI-available packages found to install.")
return
print("Installing packages:", ', '.join(to_install))
for pkg in to_install:
install_package(pkg, skip_conda=skip_conda)
return
# Otherwise, normal logic with direct packages, .py files, or -r <filename>
packages_to_install = set()
i = 0
while i < len(args):
arg = args[i]
if arg == '-r':
# next arg is a requirements file
if i + 1 < len(args):
req_file = args[i + 1]
if os.path.isfile(req_file):
pkgs = process_requirements_file(req_file)
packages_to_install.update(pkgs)
else:
print(f"Requirements file not found: {req_file}")
i += 2
else:
print("Error: -r requires a file path.")
return
elif arg.endswith('.py'):
# parse imports from that script
if os.path.isfile(arg):
pkgs = process_python_file(arg)
packages_to_install.update(pkgs)
else:
print(f"File not found: {arg}")
i += 1
else:
# treat as a direct package name
packages_to_install.add(arg)
i += 1
# Install all packages in packages_to_install
for pkg in sorted(packages_to_install):
install_package(pkg, skip_conda=skip_conda)
############################
# Subcommand: ls
############################
def subcmd_ls(args):
parser = argparse.ArgumentParser(prog='deps ls', add_help=False)
parser.add_argument('-r', '--recurse', action='store_true',
help='Recurse into subfolders.')
parser.add_argument('path', nargs='?', default='.',
help='File or directory to scan. Default is current directory.')
known_args, _ = parser.parse_known_args(args)
path = known_args.path
recurse = known_args.recurse
imports = find_imports_in_path(path, recurse=recurse)
if imports:
print("Imports found:")
for imp in sorted(imports):
print(f" - {imp}")
else:
print("No Python imports found (or none that require external packages).")
############################
# Main
############################
def main():
parser = argparse.ArgumentParser(description='deps - Manage and inspect Python dependencies.')
subparsers = parser.add_subparsers(dest='subcommand', required=True)
# Subcommand: install
install_parser = subparsers.add_parser('install',
help="Install packages or dependencies from .py files / current folder / subfolders.")
install_parser.add_argument('args', nargs=argparse.REMAINDER,
help=(
"If empty, scans current dir. If '-r' only, scans recursively. "
"Otherwise, pass script names, package names, or '-r <file>'. "
"Use --no-conda to skip mamba/conda usage."
))
# Subcommand: ls
ls_parser = subparsers.add_parser('ls',
help="List imports in a file/folder. Use '-r' to recurse.")
ls_parser.add_argument('ls_args', nargs=argparse.REMAINDER,
help="Optional '-r' plus path (file/folder).")
parsed_args = parser.parse_args()
if parsed_args.subcommand == 'install':
subcmd_install(parsed_args.args)
elif parsed_args.subcommand == 'ls':
subcmd_ls(parsed_args.ls_args)
if __name__ == "__main__":
main()