-
Notifications
You must be signed in to change notification settings - Fork 12
/
deps.py
512 lines (460 loc) · 15.1 KB
/
deps.py
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
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
import json
import logging
import os
import sys
from subprocess import run
from .compat import Compat, Version
from .find_julia import find_julia, julia_version
from .install_julia import log
from .state import STATE
logger = logging.getLogger("juliapkg")
### META
META_VERSION = 4 # increment whenever the format changes
def load_meta():
fn = STATE["meta"]
if os.path.exists(fn):
with open(fn) as fp:
meta = json.load(fp)
if meta.get("meta_version") == META_VERSION:
return meta
def save_meta(meta):
assert isinstance(meta, dict)
assert meta.get("meta_version") == META_VERSION
fn = STATE["meta"]
os.makedirs(os.path.dirname(fn), exist_ok=True)
if os.path.exists(fn):
with open(fn) as fp:
old_meta_json = fp.read()
meta_json = json.dumps(meta)
if meta_json == old_meta_json:
# No need to write out if nothing changed
return
with open(fn, "w") as fp:
json.dump(meta, fp)
### RESOLVE
class PkgSpec:
def __init__(
self,
name,
uuid,
dev=False,
version=None,
path=None,
subdir=None,
url=None,
rev=None,
):
self.name = name
self.uuid = uuid
self.dev = dev
self.version = version
self.path = path
self.subdir = subdir
self.url = url
self.rev = rev
def jlstr(self):
args = ['name="{}"'.format(self.name), 'uuid="{}"'.format(self.uuid)]
if self.path is not None:
args.append('path=raw"{}"'.format(self.path))
if self.subdir is not None:
args.append('subdir="{}"'.format(self.subdir))
if self.url is not None:
args.append('url=raw"{}"'.format(self.url))
if self.rev is not None:
args.append('rev=raw"{}"'.format(self.rev))
return "Pkg.PackageSpec({})".format(", ".join(args))
def dict(self):
ans = {
"name": self.name,
"uuid": self.uuid,
"dev": self.dev,
"version": str(self.version),
"path": self.path,
"subdir": self.subdir,
"url": self.url,
"rev": self.rev,
}
return {k: v for (k, v) in ans.items() if v is not None}
def depsdict(self):
ans = {}
ans["uuid"] = self.uuid
if self.dev:
ans["dev"] = self.dev
if self.version is not None:
ans["version"] = str(self.version)
if self.path is not None:
ans["path"] = self.path
if self.subdir is not None:
ans["subdir"] = self.subdir
if self.url is not None:
ans["url"] = self.url
if self.rev is not None:
ans["rev"] = self.rev
return ans
def can_skip_resolve():
# resolve if we haven't resolved before
deps = load_meta()
if deps is None:
logger.debug("no meta file")
return False
# resolve whenever the overridden Julia executable changes
if STATE["override_executable"] != deps["override_executable"]:
logger.debug(
"set exectuable was %r now %r",
deps["override_executable"],
STATE["override_executable"],
)
return False
# resolve whenever Julia changes
exe = deps["executable"]
ver = deps["version"]
exever = julia_version(exe)
if exever is None or ver != str(exever):
logger.debug("changed version %s to %s", ver, exever)
return False
# resolve when going from offline to online
offline = deps["offline"]
if offline and not STATE["offline"]:
logger.debug("was offline now online")
return False
# resolve whenever swapping between dev/not dev
isdev = deps["dev"]
if isdev != STATE["dev"]:
logger.debug("changed dev %s to %s", isdev, STATE["dev"])
return False
# resolve whenever any deps files change
files0 = set(deps_files())
files = deps["deps_files"]
filesdiff = set(files.keys()).difference(files0)
if filesdiff:
logger.debug("deps files added %s", filesdiff)
return False
filesdiff = files0.difference(files.keys())
if filesdiff:
logger.debug("deps files removed %s", filesdiff)
return False
for filename, fileinfo in files.items():
if not os.path.isfile(filename):
logger.debug("deps file no longer exists %r", filename)
return False
if os.path.getmtime(filename) > fileinfo["timestamp"]:
logger.debug("deps file has changed %r", filename)
return False
return deps
def deps_files():
ans = []
# the default deps file
ans.append(cur_deps_file())
# look in sys.path
for path in sys.path:
if not path:
path = os.getcwd()
if not os.path.isdir(path):
continue
fn = os.path.join(path, "juliapkg.json")
ans.append(fn)
for subdir in os.listdir(path):
fn = os.path.join(path, subdir, "juliapkg.json")
ans.append(fn)
return list(
set(
os.path.normcase(os.path.normpath(os.path.abspath(fn)))
for fn in ans
if os.path.isfile(fn)
)
)
def find_requirements():
# read all dependencies into a dict: name -> key -> file -> value
# read all julia compats into a dict: file -> compat
import json
compats = {}
all_deps = {}
for fn in deps_files():
log("Found dependencies: {}".format(fn))
with open(fn) as fp:
deps = json.load(fp)
for name, kvs in deps.get("packages", {}).items():
dep = all_deps.setdefault(name, {})
for k, v in kvs.items():
if k == "path":
# resolve paths relative to the directory containing the file
v = os.path.normcase(
os.path.normpath(os.path.join(os.path.dirname(fn), v))
)
dep.setdefault(k, {})[fn] = v
c = deps.get("julia")
if c is not None:
compats[fn] = Compat.parse(c)
# merges non-unique values
def merge_unique(dep, kfvs, k):
fvs = kfvs.pop(k, None)
if fvs is not None:
vs = set(fvs.values())
if len(vs) == 1:
(dep[k],) = vs
elif vs:
raise Exception(
"'{}' entries are not unique:\n{}".format(
k,
"\n".join(
["- {!r} at {}".format(v, f) for (f, v) in fvs.items()]
),
)
)
# merges compat entries
def merge_compat(dep, kfvs, k):
fvs = kfvs.pop(k, None)
if fvs is not None:
compats = list(map(Compat.parse, fvs.values()))
compat = compats[0]
for c in compats[1:]:
compat &= c
if not compat:
raise Exception(
"'{}' entries have empty intersection:\n{}".format(
k,
"\n".join(
["- {!r} at {}".format(v, f) for (f, v) in fvs.items()]
),
)
)
else:
dep[k] = str(compat)
# merges booleans with any
def merge_any(dep, kfvs, k):
fvs = kfvs.pop(k, None)
if fvs is not None:
dep[k] = any(fvs.values())
# merge dependencies: name -> key -> value
deps = []
for name, kfvs in all_deps.items():
kw = {"name": name}
merge_unique(kw, kfvs, "uuid")
merge_unique(kw, kfvs, "path")
merge_unique(kw, kfvs, "subdir")
merge_unique(kw, kfvs, "url")
merge_unique(kw, kfvs, "rev")
merge_compat(kw, kfvs, "version")
merge_any(kw, kfvs, "dev")
deps.append(PkgSpec(**kw))
# julia compat
compat = None
for c in compats.values():
if compat is None:
compat = c
else:
compat &= c
if compat is not None and not compat:
raise Exception(
"'julia' compat entries have empty intersection:\n{}".format(
"\n".join(["- {!r} at {}".format(v, f) for (f, v) in compats.items()])
)
)
return compat, deps
def resolve(force=False, dry_run=False):
# see if we can skip resolving
if not force:
if STATE["resolved"]:
return True
deps = can_skip_resolve()
if deps:
STATE["resolved"] = True
STATE["executable"] = deps["executable"]
STATE["version"] = Version.parse(deps["version"])
return True
if dry_run:
return False
STATE["resolved"] = False
# get julia compat and required packages
compat, pkgs = find_requirements()
# find a compatible julia executable
log(f'Locating Julia{"" if compat is None else " "+str(compat)}')
exe, ver = find_julia(
compat=compat, prefix=STATE["install"], install=True, upgrade=True
)
log(f"Using Julia {ver} at {exe}")
# set up the project
project = STATE["project"]
log(f"Using Julia project at {project}")
os.makedirs(project, exist_ok=True)
if not STATE["offline"]:
# write a Project.toml specifying UUIDs and compatibility of required packages
with open(os.path.join(project, "Project.toml"), "wt") as fp:
print("[deps]", file=fp)
for pkg in pkgs:
print(f'{pkg.name} = "{pkg.uuid}"', file=fp)
print(file=fp)
print("[compat]", file=fp)
for pkg in pkgs:
if pkg.version:
print(f'{pkg.name} = "{pkg.version}"', file=fp)
print(file=fp)
# remove Manifest.toml
manifest_path = os.path.join(project, "Manifest.toml")
if os.path.exists(manifest_path):
os.remove(manifest_path)
# install the packages
dev_pkgs = ", ".join([pkg.jlstr() for pkg in pkgs if pkg.dev])
add_pkgs = ", ".join([pkg.jlstr() for pkg in pkgs if not pkg.dev])
script = ["import Pkg", "Pkg.Registry.update()"]
if dev_pkgs:
script.append(f"Pkg.develop([{dev_pkgs}])")
if add_pkgs:
script.append(f"Pkg.add([{add_pkgs}])")
script.append("Pkg.resolve()")
script.append("Pkg.precompile()")
log("Installing packages:")
for line in script:
log("julia>", line, cont=True)
env = os.environ.copy()
if sys.executable:
# prefer PythonCall to use the current Python executable
# TODO: this is a hack, it would be better for PythonCall to detect that
# Julia is being called from Python
env.setdefault("JULIA_PYTHONCALL_EXE", sys.executable)
run(
[exe, "--project=" + project, "--startup-file=no", "-e", "; ".join(script)],
check=True,
env=env,
)
# record that we resolved
save_meta(
{
"meta_version": META_VERSION,
"dev": STATE["dev"],
"version": str(ver),
"executable": exe,
"deps_files": {
filename: {"timestamp": os.path.getmtime(filename)}
for filename in deps_files()
},
"pkgs": [pkg.dict() for pkg in pkgs],
"offline": bool(STATE["offline"]),
"override_executable": STATE["override_executable"],
}
)
STATE["resolved"] = True
STATE["executable"] = exe
STATE["version"] = ver
return True
def executable():
resolve()
return STATE["executable"]
def project():
resolve()
return STATE["project"]
def cur_deps_file(target=None):
if target is None:
return STATE["deps"]
elif os.path.isdir(target):
return os.path.abspath(os.path.join(target, "juliapkg.json"))
elif os.path.isfile(target) or (
os.path.isdir(os.path.dirname(target)) and not os.path.exists(target)
):
return os.path.abspath(target)
else:
raise ValueError(
"target must be an existing directory,"
" or a file name in an existing directory"
)
def load_cur_deps(target=None):
fn = cur_deps_file(target=target)
if os.path.exists(fn):
with open(fn) as fp:
deps = json.load(fp)
else:
deps = {}
return deps
def write_cur_deps(deps, target=None):
fn = cur_deps_file(target=target)
if deps:
os.makedirs(os.path.dirname(fn), exist_ok=True)
with open(fn, "w") as fp:
json.dump(deps, fp)
else:
if os.path.exists(fn):
os.remove(fn)
def status(target=None):
res = resolve(dry_run=True)
print("JuliaPkg Status")
fn = cur_deps_file(target=target)
if os.path.exists(fn):
with open(fn) as fp:
deps = json.load(fp)
else:
deps = {}
st = "" if deps else " (empty project)"
print(f"{fn}{st}")
if res:
exe = STATE["executable"]
ver = STATE["version"]
else:
print("Not resolved (resolve for more information)")
jl = deps.get("julia")
if res or jl:
print("Julia", end="")
if res:
print(f" {ver}", end="")
if jl:
print(f" ({jl})", end="")
if res:
print(f" @ {exe}", end="")
print()
pkgs = deps.get("packages")
if pkgs:
print("Packages:")
for name, info in pkgs.items():
print(f" {name}: {info}")
def require_julia(compat, target=None):
deps = load_cur_deps(target=target)
if compat is None:
if "julia" in deps:
del deps["julia"]
else:
if isinstance(compat, str):
compat = Compat.parse(compat)
elif not isinstance(compat, Compat):
raise TypeError
deps["julia"] = str(compat)
write_cur_deps(deps, target=target)
STATE["resolved"] = False
def add(pkg, *args, target=None, **kwargs):
deps = load_cur_deps(target=target)
_add(deps, pkg, *args, **kwargs)
write_cur_deps(deps, target=target)
STATE["resolved"] = False
def _add(deps, pkg, uuid=None, **kwargs):
if isinstance(pkg, PkgSpec):
pkgs = deps.setdefault("packages", {})
pkgs[pkg.name] = pkg.depsdict()
elif isinstance(pkg, str):
if uuid is None:
raise TypeError("uuid is required")
pkg = PkgSpec(pkg, uuid, **kwargs)
_add(deps, pkg)
else:
for p in pkg:
_add(deps, p)
def rm(pkg, target=None):
deps = load_cur_deps(target=target)
_rm(deps, pkg)
write_cur_deps(deps, target=target)
STATE["resolved"] = False
def _rm(deps, pkg):
if isinstance(pkg, PkgSpec):
_rm(deps, pkg.name)
elif isinstance(pkg, str):
pkgs = deps.setdefault("packages", {})
if pkg in pkgs:
del pkgs[pkg]
if not pkgs:
del deps["packages"]
else:
for p in pkg:
_rm(deps, p)
def offline(value=True):
if value is not None:
STATE["offline"] = value
if value:
STATE["resolved"] = False
return STATE["offline"]