winpython/diff.py at master · snth/winpython · GitHub

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# -*- coding: utf-8 -*-

# Licensed under the terms of the MIT License

# (see winpython/__init__.py for details)

"""

WinPython diff script

Created on Tue Jan 29 11:56:54 2013

"""

from __future__ import print_function, with_statement

import os

import os.path as osp

import re

import shutil

# Local imports

from winpython import utils

CHANGELOGS_DIR = osp.join(osp.dirname(__file__), 'changelogs')

assert osp.isdir(CHANGELOGS_DIR)

class Package(object):

# SourceForge Wiki syntax:

PATTERN = r'\[([a-zA-Z\-\:\/\.\_0-9]*)\]\(([^\]\ ]*)\) \| ([^\|]*) \| ([^\|]*)'

# Google Code Wiki syntax:

PATTERN_OLD = r'\[([a-zA-Z\-\:\/\.\_0-9]*) ([^\]\ ]*)\] \| ([^\|]*) \| ([^\|]*)'

def __init__(self):

self.name = None

self.version = None

self.description = None

self.url = None

def __str__(self):

text = "%s %s" % (self.name, self.version)

text += "\r\n%s\r\nWebsite: %s" % (self.description, self.url)

return text

def from_text(self, text):

try:

self.url, self.name, self.version, self.description = \

re.match(self.PATTERN_OLD, text).groups()

except AttributeError:

self.name, self.url, self.version, self.description = \

re.match(self.PATTERN, text).groups()

def to_wiki(self):

return " * [%s](%s) %s (%s)\r\n" % (self.name, self.url,

self.version, self.description)

def upgrade_wiki(self, other):

# wheel replace '-' per '_' in package name

assert self.name.replace('-', '_').lower() == other.name.replace('-', '_').lower()

return " * [%s](%s) %s → %s (%s)\r\n" % (self.name, self.url,

other.version, self.version, self.description)

def get_basedir(version, rootdir=None):

"""Return basedir from WinPython version"""

rootdir = rootdir if rootdir is not None else utils.ROOT_DIR

assert rootdir is not None, "The *rootdir* directory must be specified"

return osp.join(rootdir, 'basedir%s' % version[::2][:2])

class PackageIndex(object):

WINPYTHON_PATTERN = r'\#\# WinPython ([0-9\.a-zA-Z]*)'

TOOLS_LINE = '### Tools'

PYTHON_PACKAGES_LINE = '### Python packages'

HEADER_LINE1 = 'Name | Version | Description'

HEADER_LINE2 = '-----|---------|------------'

def __init__(self, version, rootdir=None, flavor=''):

self.version = version

self.other_packages = {}

self.python_packages = {}

self.flavor = flavor

basedir = get_basedir(version, rootdir=rootdir)

self.from_file(basedir)

def from_file(self, basedir):

fname = osp.join(basedir, 'build%s' % self.flavor,

'WinPython%s-%s.md' % (self.flavor, self.version))

with open(fname, 'r') as fdesc: # python3 doesn't like 'rb'

text = fdesc.read()

self.from_text(text)

def from_text(self, text):

version = re.match(self.WINPYTHON_PATTERN+self.flavor, text).groups()[0]

assert version == self.version

tools_flag = False

python_flag = False

for line in text.splitlines():

if line:

if line == self.TOOLS_LINE:

tools_flag = True

continue

elif line == self.PYTHON_PACKAGES_LINE:

tools_flag = False

python_flag = True

continue

elif line in (self.HEADER_LINE1, self.HEADER_LINE2):

continue

if tools_flag or python_flag:

package = Package()

package.from_text(line)

if tools_flag:

self.other_packages[package.name] = package

else:

self.python_packages[package.name] = package

def diff_package_dicts(dict1_in, dict2_in):

"""Return difference between package dict1 and package dict2"""

text = ""

# wheel replace '-' per '_' in key

dict1 = {} ; dict2 = {}

for key in dict1_in:

dict1[key.replace('-','_').lower()] = dict1_in[key]

for key in dict2_in:

dict2[key.replace('-','_').lower()] = dict2_in[key]

set1, set2 = set(dict1.keys()), set(dict2.keys())

# New packages

new = sorted(set2 - set1)

if new:

text += "New packages:\r\n\r\n"

for name in new:

package = dict2[name]

text += package.to_wiki()

text += '\r\n'

# Upgraded packages

upgraded_list = []

for name in sorted(set1 & set2):

package1 = dict1[name]

package2 = dict2[name]

if package1.version != package2.version:

upgraded_list.append(package2.upgrade_wiki(package1))

if upgraded_list:

text += "Upgraded packages:\r\n\r\n%s\r\n" % "".join(upgraded_list)

# Removed packages

removed = sorted(set1 - set2)

if removed:

text += "Removed packages:\r\n\r\n"

for name in removed:

package = dict1[name]

text += package.to_wiki()

text += '\r\n'

return text

def find_closer_version(version1, rootdir=None, flavor=''):

"""Find version which is the closest to `version`"""

builddir = osp.join(get_basedir(version1, rootdir), 'build%s' % flavor)

func = lambda name: re.match(r'WinPython%s-([0-9\.]*)\.(txt|md)' % flavor, name)

versions = [func(name).groups()[0]

for name in os.listdir(builddir) if func(name)]

try:

index = versions.index(version1)

except ValueError:

raise ValueError("Unknown version %s" % version1)

if index == 0:

print("No version prior to %s" % version1)

index += 1 # we don't want to fail on this

return versions[index-1]

def compare_package_indexes(version2, version1=None, rootdir=None, flavor='',

flavor1=None):

"""Compare two package index Wiki pages"""

if version1 is None:

version1 = find_closer_version(version2, rootdir=rootdir,

flavor=flavor)

flavor1 = flavor1 if flavor1 is not None else flavor

text = '\r\n'.join(["## History of changes for WinPython %s" %

(version2+flavor),

"", "The following changes were made to WinPython "

"distribution since version %s." % (version1+flavor1),

"", ""])

pi1 = PackageIndex(version1, rootdir=rootdir, flavor=flavor1)

pi2 = PackageIndex(version2, rootdir=rootdir, flavor=flavor)

tools_text = diff_package_dicts(pi1.other_packages, pi2.other_packages)

if tools_text:

text += PackageIndex.TOOLS_LINE + '\r\n\r\n' + tools_text

py_text = diff_package_dicts(pi1.python_packages, pi2.python_packages)

if py_text:

text += PackageIndex.PYTHON_PACKAGES_LINE + '\r\n\r\n' + py_text

text += '* * *\r\n'

return text

def _copy_all_changelogs(version, basedir, flavor=''):

basever = '.'.join(version.split('.')[:2])

for name in os.listdir(CHANGELOGS_DIR):

if re.match(r'WinPython%s-%s([0-9\.]*)\.(txt|md)' %

(flavor, basever), name):

shutil.copyfile(osp.join(CHANGELOGS_DIR, name),

osp.join(basedir, 'build%s' % flavor, name))

def write_changelog(version2, version1=None, rootdir=None, flavor='',

release_level=''):

"""Write changelog between version1 and version2 of WinPython"""

basedir = get_basedir(version2, rootdir=rootdir)

_copy_all_changelogs(version2, basedir, flavor=flavor)

print ('comparing_package_indexes', version2, rootdir, flavor)

text = compare_package_indexes(version2, version1, rootdir=rootdir,

flavor=flavor)

fname = osp.join(basedir, 'build%s' % flavor,

'WinPython%s-%s_History.md' % (flavor, version2))

with open(fname, 'w', encoding='utf-8-sig') as fdesc: # python 3 need

fdesc.write(text)

# Copy to winpython/changelogs

shutil.copyfile(fname, osp.join(CHANGELOGS_DIR, osp.basename(fname)))

def test_parse_package_index_wiki(version, rootdir=None, flavor=''):

"""Parse the package index Wiki page"""

pi = PackageIndex(version, rootdir=rootdir, flavor=flavor)

utils.print_box("WinPython %s:" % pi.version)

utils.print_box("Tools:")

for package in pi.other_packages.values():

print(package)

print('')

utils.print_box("Python packages:")

for package in pi.python_packages.values():

print(package)

print('')

def test_compare(basedir, version2, version1):

print(compare_package_indexes(basedir, version2, version1))

if __name__ == '__main__':

print (compare_package_indexes('3.5.0.1', '3.4.3.6',

rootdir='D:\Winpython', flavor='Slim', flavor1=''))

# test_parse_package_index_wiki('2.7.3.3')

# print(compare_package_indexes('2.7.3.3', '2.7.3.1'))

# write_changelog('2.7.4.1', '2.7.4.0')

# write_changelog('3.3.0.0beta2', '3.3.0.0beta1')

winpython/diff.py at master · snth/winpython · GitHub

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