import os import re import sys import json from .constants import BASE_DIR try: from importlib.metadata import version importlib = True ImportNotFound = BaseException except ImportError: importlib = False version = None if not importlib: try: import pkg_resources from pkg_resources import DistributionNotFound as ImportNotFound pkgresources = True except ImportError as e: pkgresources = False def load_dependencys(optional=False): deps = list() if getattr(sys, 'frozen', False): pip_installed = os.path.join(BASE_DIR, ".pip_installed") if os.path.exists(pip_installed): with open(pip_installed) as f: exe_deps = json.loads("".join(f.readlines())) else: return deps if importlib or pkgresources: if optional: req_path = os.path.join(BASE_DIR, "optional-requirements.txt") else: req_path = os.path.join(BASE_DIR, "requirements.txt") if os.path.exists(req_path): with open(req_path, 'r') as f: for line in f: if not line.startswith('#') and not line == '\n' and not line.startswith('git'): res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?', line.strip()) try: if getattr(sys, 'frozen', False): dep_version = exe_deps[res.group(1).lower().replace('_','-')] else: if importlib: dep_version = version(res.group(1)) else: dep_version = pkg_resources.get_distribution(res.group(1)).version except (ImportNotFound, KeyError): if optional: continue dep_version = "not installed" deps.append([dep_version, res.group(1), res.group(2), res.group(3), res.group(4), res.group(5)]) return deps def dependency_check(optional=False): d = list() deps = load_dependencys(optional) for dep in deps: try: dep_version_int = [int(x) for x in dep[0].split('.')] low_check = [int(x) for x in dep[3].split('.')] high_check = [int(x) for x in dep[5].split('.')] except AttributeError: high_check = None except ValueError: d.append({'name': dep[1], 'target': "available", 'found': "Not available" }) continue if dep[2].strip() == "==": if dep_version_int != low_check: d.append({'name': dep[1], 'found': dep[0], "target": dep[2] + dep[3]}) continue elif dep[2].strip() == ">=": if dep_version_int < low_check: d.append({'name': dep[1], 'found': dep[0], "target": dep[2] + dep[3]}) continue elif dep[2].strip() == ">": if dep_version_int <= low_check: d.append({'name': dep[1], 'found': dep[0], "target": dep[2] + dep[3]}) continue if dep[4] and dep[5]: if dep[4].strip() == "<": if dep_version_int >= high_check: d.append( {'name': dep[1], 'found': dep[0], "target": dep[4] + dep[5]}) continue elif dep[4].strip() == "<=": if dep_version_int > high_check: d.append( {'name': dep[1], 'found': dep[0], "target": dep[4] + dep[5]}) continue return d