Skip to content
Navigation Menu
{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 350
Expand file tree
/
Copy pathutils.py
More file actions
355 lines (313 loc) · 16 KB
/
Copy pathutils.py
File metadata and controls
355 lines (313 loc) · 16 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
# -*- coding: utf-8 -*-
#
# WinPython utilities
# Copyright © 2012 Pierre Raybaut
# Copyright © 2014-2025+ The Winpython development team https://github.com/winpython/
# Licensed under the terms of the MIT License
# (see winpython/__init__.py for details)
import os
import sys
import stat
import shutil
import locale
import subprocess
from pathlib import Path
import re
import tarfile
import zipfile
# SOURCE_PATTERN defines what an acceptable source package name is
SOURCE_PATTERN = r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z]*[\-]?[0-9]*)(\.zip|\.tar\.gz|\-(py[2-7]*|py[2-7]*\.py[2-7]*)\-none\-any\.whl)'
# WHEELBIN_PATTERN defines what an acceptable binary wheel package is
WHEELBIN_PATTERN = r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z0-9\+]*[0-9]?)-cp([0-9]*)\-[0-9|c|o|n|e|p|m]*\-(win32|win\_amd64)\.whl'
def get_python_executable(path=None):
"""Return the path to the Python executable."""
python_path = Path(path) if path else Path(sys.executable)
base_dir = python_path if python_path.is_dir() else python_path.parent
python_exe = base_dir / 'python.exe'
pypy_exe = base_dir / 'pypy3.exe' # For PyPy
return str(python_exe if python_exe.is_file() else pypy_exe)
def get_site_packages_path(path=None):
"""Return the path to the Python site-packages directory."""
python_path = Path(path) if path else Path(sys.executable)
base_dir = python_path if python_path.is_dir() else python_path.parent
site_packages = base_dir / 'Lib' / 'site-packages'
pypy_site_packages = base_dir / 'site-packages' # For PyPy
return str(pypy_site_packages if pypy_site_packages.is_dir() else site_packages)
def get_installed_tools(path=None)-> str:
"""Generates Markdown for installed tools section in package index."""
tool_lines = []
python_exe = Path(get_python_executable(path))
version = exec_shell_cmd(f'powershell (Get-Item {python_exe}).VersionInfo.FileVersion', python_exe.parent).splitlines()[0]
tool_lines.append(("Python" ,f"http://www.python.org/", version, "Python programming language with standard library"))
if (node_exe := python_exe.parent.parent / "n" / "node.exe").exists():
version = exec_shell_cmd(f'powershell (Get-Item {node_exe}).VersionInfo.FileVersion', node_exe.parent).splitlines()[0]
tool_lines.append(("Nodejs", "https://nodejs.org", version, "a JavaScript runtime built on Chrome's V8 JavaScript engine"))
if (pandoc_exe := python_exe.parent.parent / "t" / "pandoc.exe").exists():
version = exec_shell_cmd("pandoc -v", pandoc_exe.parent).splitlines()[0].split(" ")[-1]
tool_lines.append(("Pandoc", "https://pandoc.org", version, "an universal document converter"))
if (vscode_exe := python_exe.parent.parent / "t" / "VSCode" / "Code.exe").exists():
version = exec_shell_cmd(f'powershell (Get-Item {vscode_exe}).VersionInfo.FileVersion', vscode_exe.parent).splitlines()[0]
tool_lines.append(("VSCode","https://code.visualstudio.com", version, "a source-code editor developed by Microsoft"))
return tool_lines
def onerror(function, path, excinfo):
"""Error handler for `shutil.rmtree`."""
if not os.access(path, os.W_OK):
os.chmod(path, stat.S_IWUSR)
function(path)
else:
raise
def sum_up(text: str, max_length: int = 144, stop_at: str = ". ") -> str:
"""Summarize text to fit within max_length, ending at last complete sentence."""
summary = (text + os.linesep).splitlines()[0].strip()
if len(summary) <= max_length:
return summary
if stop_at and stop_at in summary[:max_length]:
return summary[:summary.rfind(stop_at, 0, max_length)] + stop_at.strip()
return summary[:max_length].strip()
def print_box(text):
"""Print text in a box"""
line0 = "+" + ("-" * (len(text) + 2)) + "+"
line1 = "| " + text + " |"
print("\n\n" + "\n".join([line0, line1, line0]) + "\n")
def is_python_distribution(path):
"""Return True if path is a Python distribution."""
has_exec = Path(get_python_executable(path)).is_file()
has_site = Path(get_site_packages_path(path)).is_dir()
return has_exec and has_site
def decode_fs_string(string):
"""Convert string from file system charset to unicode."""
charset = sys.getfilesystemencoding() or locale.getpreferredencoding()
return string.decode(charset)
def exec_shell_cmd(args, path):
"""Execute shell command (*args* is a list of arguments) in *path*."""
process = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=path, shell=True)
return decode_fs_string(process.stdout.read())
def exec_run_cmd(args, path=None):
"""Run a single command (*args* is a list of arguments) in optional *path*."""
process = subprocess.run(args, capture_output=True, cwd=path, text=True)
return process.stdout
def python_query(cmd, path):
"""Execute Python command using the Python interpreter located in *path*."""
the_exe = get_python_executable(path)
return exec_shell_cmd(f'"{the_exe}" -c "{cmd}"', path).splitlines()[0]
def python_execmodule(cmd, path):
"""Execute Python command using the Python interpreter located in *path*."""
the_exe = get_python_executable(path)
exec_shell_cmd(f'{the_exe} -m {cmd}', path)
def get_python_infos(path):
"""Return (version, architecture) for the Python distribution located in *path*."""
is_64 = python_query("import sys; print(sys.maxsize > 2**32)", path)
arch = {"True": 64, "False": 32}.get(is_64, None)
ver = python_query("import sys;print(f'{sys.version_info.major}.{sys.version_info.minor}')", path)
return ver, arch
def get_python_long_version(path):
"""Return long version (X.Y.Z) for the Python distribution located in *path*."""
ver = python_query("import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro}')", path)
return ver if re.match(r"([0-9]*)\.([0-9]*)\.([0-9]*)", ver) else None
def patch_shebang_line(fname, pad=b" ", to_movable=True, targetdir=""):
"""Remove absolute path to python.exe in shebang lines in binary files, or re-add it."""
target_dir = targetdir if to_movable else os.path.abspath(os.path.join(os.path.dirname(fname), r"..")) + "\\"
executable = sys.executable
shebang_line = re.compile(rb"""(#!.*pythonw?\.exe)"?""") # Python3+
if "pypy3" in sys.executable:
shebang_line = re.compile(rb"""(#!.*pypy3w?\.exe)"?""") # Pypy3+
target_dir = target_dir.encode("utf-8")
with open(fname, "rb") as fh:
initial_content = fh.read()
content = shebang_line.split(initial_content, maxsplit=1)
if len(content) != 3:
return
exe = os.path.basename(content[1][2:])
content[1] = b"#!" + target_dir + exe # + (pad * (len(content[1]) - len(exe) - 2))
final_content = b"".join(content)
if initial_content == final_content:
return
try:
with open(fname, "wb") as fo:
fo.write(final_content)
print("patched", fname)
except Exception:
print("failed to patch", fname)
def patch_shebang_line_py(fname, to_movable=True, targetdir=""):
"""Changes shebang line in '.py' file to relative or absolue path"""
import fileinput
exec_path = r'#!.\python.exe' if to_movable else '#!' + sys.executable
if 'pypy3' in sys.executable:
exec_path = r'#!.\pypy3.exe' if to_movable else exec_path
for line in fileinput.input(fname, inplace=True):
if re.match(r'^#\!.*python\.exe$', line) or re.match(r'^#\!.*pypy3\.exe$', line):
print(exec_path)
else:
print(line, end='')
def guess_encoding(csv_file):
"""guess the encoding of the given file"""
with open(csv_file, "rb") as f:
data = f.read(5)
if data.startswith(b"\xEF\xBB\xBF"): # UTF-8 with a "BOM" (normally no BOM in utf-8)
return ["utf-8-sig"]
try:
with open(csv_file, encoding="utf-8") as f:
preview = f.read(222222)
return ["utf-8"]
except:
return [locale.getdefaultlocale()[1], "utf-8"]
def replace_in_file(filepath: Path, replacements: list[tuple[str, str]], filedest: Path = None, verbose=False):
"""
Replaces strings in a file
Args:
filepath: Path to the file to modify.
replacements: A list of tuples of ('old string 'new string')
filedest: optional output file, otherwise will be filepath
"""
the_encoding = guess_encoding(filepath)[0]
with open(filepath, "r", encoding=the_encoding) as f:
content = f.read()
new_content = content
for old_text, new_text in replacements:
new_content = new_content.replace(old_text, new_text)
outfile = filedest if filedest else filepath
if new_content != content or str(outfile) != str(filepath):
with open(outfile, "w", encoding=the_encoding) as f:
f.write(new_content)
if verbose:
print(f"patched from {Path(filepath).name} into {outfile} !")
def patch_sourcefile(fname, in_text, out_text, silent_mode=False):
"""Replace a string in a source file."""
if not silent_mode:
print(f"patching {fname} from {in_text} to {out_text}")
if Path(fname).is_file() and in_text != out_text:
replace_in_file(Path(fname), [(in_text, out_text)])
def extract_archive(fname, targetdir=None, verbose=False):
"""Extract .zip, .exe or .tar.gz archive to a temporary directory.
Return the temporary directory path"""
targetdir = targetdir or create_temp_dir()
Path(targetdir).mkdir(parents=True, exist_ok=True)
if Path(fname).suffix in ('.zip', '.exe'):
obj = zipfile.ZipFile(fname, mode="r")
elif fname.endswith('.tar.gz'):
obj = tarfile.open(fname, mode='r:gz')
else:
raise RuntimeError(f"Unsupported archive filename {fname}")
obj.extractall(path=targetdir)
return targetdir
def get_source_package_infos(fname):
"""Return a tuple (name, version) of the Python source package."""
if fname.endswith('.whl'):
return Path(fname).name.split("-")[:2]
match = re.match(SOURCE_PATTERN, Path(fname).name)
return match.groups()[:2] if match else None
def buildflit_wininst(root, python_exe=None, copy_to=None, verbose=False):
"""Build Wheel from Python package located in *root* with flit."""
python_exe = python_exe or sys.executable
cmd = [python_exe, '-m', 'flit', 'build']
if verbose:
subprocess.call(cmd, cwd=root)
else:
subprocess.Popen(cmd, cwd=root, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
distdir = Path(root) / 'dist'
if not distdir.is_dir():
raise RuntimeError(
"Build failed: see package README file for further details regarding installation requirements.\n\n"
"For more concrete debugging infos, please try to build the package from the command line:\n"
"1. Open a WinPython command prompt\n"
"2. Change working directory to the appropriate folder\n"
"3. Type `python -m flit build`"
)
for distname in os.listdir(distdir):
if re.match(SOURCE_PATTERN, distname) or re.match(WHEELBIN_PATTERN, distname):
break
else:
raise RuntimeError(f"Build failed: not a pure Python package? {distdir}")
src_fname = distdir / distname
if copy_to:
dst_fname = Path(copy_to) / distname
shutil.move(src_fname, dst_fname)
if verbose:
print(f"Move: {src_fname} --> {dst_fname}")
def direct_pip_install(fname, python_exe=None, verbose=False, install_options=None):
"""Direct install via python -m pip !"""
python_exe = python_exe or sys.executable
myroot = Path(python_exe).parent
cmd = [python_exe, "-m", "pip", "install"] + (install_options or []) + [fname]
if not verbose:
process = subprocess.Popen(cmd, cwd=myroot, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
the_log = f"{stdout}\n {stderr}"
if " not find " in the_log or " not found " in the_log:
print(f"Failed to Install: \n {fname} \n msg: {the_log}")
raise RuntimeError
process.stdout.close()
process.stderr.close()
else:
subprocess.call(cmd, cwd=myroot)
print(f"Installed {fname} via {' '.join(cmd)}")
return fname
def do_script(this_script, python_exe=None, copy_to=None, verbose=False, install_options=None):
"""Execute a script (get-pip typically)."""
python_exe = python_exe or sys.executable
myroot = Path(python_exe).parent
# cmd = [python_exe, myroot + r'\Scripts\pip-script.py', 'install']
cmd = [python_exe] + (install_options or []) + ([this_script] if this_script else [])
print("Executing ", cmd)
if not verbose:
subprocess.Popen(cmd, cwd=myroot, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
else:
subprocess.call(cmd, cwd=myroot)
print("Executed ", cmd)
return 'ok'
def columns_width(list_of_lists):
"""Return the maximum string length of each column of a list of lists."""
if not isinstance(list_of_lists, list):
return [0]
return [max(len(str(item)) for item in sublist) for sublist in zip(*list_of_lists)]
def formatted_list(list_of_list, full=False, max_width=70):
"""Format a list_of_list to fixed length columns."""
columns_size = columns_width(list_of_list)
columns = range(len(columns_size))
return [list(line[col].ljust(columns_size[col])[:max_width] for col in columns) for line in list_of_list]
def normalize(this):
"""Apply PEP 503 normalization to the string."""
return re.sub(r"[-_.]+", "-", this).lower()
def canonicalize_name(this):
"""Apply PEP 503 normalization to the string."""
return re.sub(r"[-_.]+", "-", this).lower()
def zip_directory(folder_path, output_zip_path):
folder_path = Path(folder_path)
output_zip_path = Path(output_zip_path)
with zipfile.ZipFile(output_zip_path, 'w', compression=zipfile.ZIP_DEFLATED) as zipf:
for file in folder_path.rglob('*'):
if file.is_file():
arcname = file.relative_to(folder_path)
zipf.write(file, arcname)
def find_7zip_executable() -> str:
"""Locates the 7-Zip executable (7z.exe)."""
possible_program_files = [r"C:\Program Files", r"C:\Program Files (x86)", Path(sys.prefix).parent / "t"]
for base_dir in possible_program_files:
if (executable_path := Path(base_dir) / "7-Zip" / "7z.exe").is_file():
return str(executable_path)
raise RuntimeError("7ZIP is not installed on this computer.")
def create_installer_7zip(origin, destination, filename_stem, installer_type: str = "exe", compression= "mx5"):
"""Creates a WinPython installer using 7-Zip: "exe", "7z", "zip")"""
fullfilename = destination / (filename_stem + "." + installer_type)
if installer_type not in ["exe", "7z", "zip"]:
return
sfx_option = "-sfx7z.sfx" if installer_type == "exe" else ""
zip_option = "-tzip" if installer_type == "zip" else ""
compress_level = "mx5" if compression == "" else compression
command = f'"{find_7zip_executable()}" {zip_option} -{compress_level} a "{fullfilename}" "{origin}" {sfx_option}'
print(f'Executing 7-Zip script: "{command}"')
try:
subprocess.run(command, shell=True, check=True, stderr=sys.stderr, stdout=sys.stderr)
except subprocess.CalledProcessError as e:
print(f"Error executing 7-Zip script: {e}", file=sys.stderr)
def command_installer_7zip(origin, destination, filename_stem, create_installer: str = "exe"):
for commmand in create_installer.lower().replace("7zip",".exe").split('.'):
installer_type, compression = (commmand + "-").split("-")[:2]
create_installer_7zip(Path(origin), Path(destination), filename_stem, installer_type, compression)
if __name__ == '__main__':
print_box("Test")
dname = sys.prefix
print((dname + ':', '\n', get_python_infos(dname)))
tmpdir = r'D:\Tests\winpython_tests'
Path(tmpdir).mkdir(parents=True, exist_ok=True)
print(extract_archive(str(Path(r'D:\WinP\bd37') / 'packages.win-amd64' / 'python-3.7.3.amd64.zip'), tmpdir))
You can’t perform that action at this time.