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piptree.py
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205 lines (186 loc) · 9.03 KB
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# -*- coding: utf-8 -*-
import json, sys, re, platform, os
import re
from winpython import utils
from collections import OrderedDict
from pip._vendor.packaging.markers import Marker
def normalize(this):
"""apply https://peps.python.org/pep-0503/#normalized-names"""
return re.sub(r"[-_.]+", "-", this).lower()
class pipdata:
"""Wrapper aroud pip inspect"""
def __init__(self, Target=None):
# get pip_inpsect raw data in json form
if Target == None:
pip_inspect = utils.exec_run_cmd(["pip", "inspect"])
else:
pip_inspect = utils.exec_run_cmd(["chcp", "65001" ,"&", Target , "-m", "pip", "inspect"])
pip_json = json.loads(pip_inspect)
# create a distro{} dict of Packages
# key = normalised package name
# string_elements = 'name', 'version', 'summary'
# requires = list of dict with 1 level need downward
# req_key = package_key requires
# req_extra = extra branch needed of the package_key ('all' or '')
# req_version = version needed
# req_marker = marker of the requirement (if any)
self.distro = {}
replacements = str.maketrans({" ": "", "[": "", "]": "", "'": "", '"': ""})
self.environment = {
"implementation_name": sys.implementation.name,
"implementation_version": "{0.major}.{0.minor}.{0.micro}".format(
sys.implementation.version
),
"os_name": os.name,
"platform_machine": platform.machine(),
"platform_release": platform.release(),
"platform_system": platform.system(),
"platform_version": platform.version(),
"python_full_version": platform.python_version(),
"platform_python_implementation": platform.python_implementation(),
"python_version": ".".join(platform.python_version_tuple()[:2]),
"sys_platform": sys.platform,
}
for p in pip_json["installed"]:
meta = p["metadata"]
name = meta["name"]
key = normalize(name)
requires = []
if "requires_dist" in meta:
for i in meta["requires_dist"]:
det = (i + ";").split(";")
# req_nameextra is "python-jose[cryptography]"
# from fastapi "python-jose[cryptography]<4.0.0,>=3.3.0
# req_nameextra is "google-cloud-storage"
# from "google-cloud-storage (<2.0.0,>=1.26.0)
req_nameextra = re.split(" |;|==|!|>|<", det[0] + ";")[0]
req_nameextra = normalize(req_nameextra)
req_key = normalize((req_nameextra + "[").split("[")[0])
req_key_extra = req_nameextra[len(req_key) + 1 :].split("]")[0]
req_version = det[0][len(req_nameextra) :].translate(replacements)
req_marker = det[1]
req_add = {
"req_key": req_key,
"req_version": req_version,
"req_extra": req_key_extra,
}
# add the marker of the requirement, if not nothing:
if not req_marker == "":
req_add["req_marker"] = req_marker
requires += [req_add]
self.distro[key] = {
"name": name,
"version": meta["version"],
"summary": meta["summary"] if "summary" in meta else "",
"requires_dist": requires,
"wanted_per": [],
"description": meta["description"] if "description" in meta else "",
}
# On a second pass, complement distro in reverse mode with 'wanted-per':
# - get all downward links in 'requires_dist' of each package
# - feed the required packages 'wanted_per' as a reverse dict of dict
# contains =
# req_key = upstream package_key
# req_version = downstream package version wanted
# req_marker = marker of the downstream package requirement (if any)
for p in self.distro:
for r in self.distro[p]["requires_dist"]:
if r["req_key"] in self.distro:
want_add = {
"req_key": p,
"req_version": r["req_version"],
"req_extra": r["req_extra"],
} # req_key_extra
if "req_marker" in r:
want_add["req_marker"] = r["req_marker"] # req_key_extra
self.distro[r["req_key"]]["wanted_per"] += [want_add]
def _downraw(self, pp, extra="", version_req="", depth=20, path=[]):
"""build a nested list of needed packages with given extra and depth"""
envi = {"extra": extra, **self.environment}
p = normalize(pp)
# several extras request management: example dask[array,diagnostics]
extras = extra.split(",")
ret_all = []
if p+"["+extra+"]" in path: # for dask[complete]->dask[array,test,..]
print("cycle!", "->".join(path + [p]))
elif p in self.distro and len(path) <= depth:
for extra in extras: # several extras request management
envi = {"extra": extra, **self.environment}
if extra == "":
ret = [f'{p}=={self.distro[p]["version"]} {version_req}']
else:
ret = [f'{p}[{extra}]=={self.distro[p]["version"]} {version_req}']
for r in self.distro[p]["requires_dist"]:
if r["req_key"] in self.distro:
if "req_marker" not in r or Marker(r["req_marker"]).evaluate(
environment=envi
):
ret += self._downraw(
r["req_key"],
r["req_extra"],
r["req_version"],
depth,
path + [p+"["+extra+"]"],
)
ret_all += [ret]
return ret_all
def _upraw(self, pp, extra="", version_req="", depth=20, path=[]):
"""build a nested list of user packages with given extra and depth"""
envi = {"extra": extra, **self.environment}
p = normalize(pp)
ret_all = []
if p in path:
print("cycle!", "->".join(path + [p]))
elif p in self.distro and len(path) <= depth:
if extra == "":
ret_all = [f'{p}=={self.distro[p]["version"]} {version_req}']
else:
ret_all = [f'{p}[{extra}]=={self.distro[p]["version"]} {version_req}']
ret = []
for r in self.distro[p]["wanted_per"]:
if r["req_key"] in self.distro and r["req_key"] not in path:
if "req_marker" not in r or Marker(r["req_marker"]).evaluate(
environment=envi
):
ret += self._upraw(
r["req_key"],
"",
f"[requires: {p}"
+ (
"[" + r["req_extra"] + "]"
if r["req_extra"] != ""
else ""
)
+ f'{r["req_version"]}]',
depth,
path + [p],
)
if not ret == []:
ret_all += [ret]
return ret_all
def down(self, pp="", extra="", depth=99, indent=5, version_req=""):
"""print the downward requirements for the package or all packages"""
if not pp == "":
rawtext = json.dumps(
self._downraw(pp, extra, version_req, depth), indent=indent
)
lines = [l for l in rawtext.split("\n") if len(l.strip()) > 2]
print("\n".join(lines).replace('"', ""))
else:
for one_pp in sorted(self.distro):
self.down(one_pp, extra, depth, indent, version_req)
def up(self, pp, extra="", depth=99, indent=5, version_req=""):
"""print the upward needs for the package"""
rawtext = json.dumps(self._upraw(pp, extra, version_req, depth), indent=indent)
lines = [l for l in rawtext.split("\n") if len(l.strip()) > 2]
print("\n".join(lines).replace('"', ""))
def description(self, pp):
"return desciption of the package"
if pp in self.distro:
return print("\n".join(self.distro[pp]["description"].split(r"\n")))
def pip_list(self, full=False):
"""do like pip list"""
if full:
return [(p, self.distro[p]["version"], self.distro[p]["summary"]) for p in sorted(self.distro)]
else:
return [(p, self.distro[p]["version"]) for p in sorted(self.distro)]