From d0e404c6fe86cd4771ab11e1b458ca6c1d6e93cf Mon Sep 17 00:00:00 2001 From: Lars Wirzenius Date: Sat, 30 Jan 2021 10:19:52 +0200 Subject: chore: vendor Subplot's lib/files --- subplot/vendored/files.py | 158 ++++++++++++++++++++++++++++++++++++++++++++ subplot/vendored/files.yaml | 62 +++++++++++++++++ 2 files changed, 220 insertions(+) create mode 100644 subplot/vendored/files.py create mode 100644 subplot/vendored/files.yaml diff --git a/subplot/vendored/files.py b/subplot/vendored/files.py new file mode 100644 index 0000000..ec37b9d --- /dev/null +++ b/subplot/vendored/files.py @@ -0,0 +1,158 @@ +import logging +import os +import re +import time + + +def files_create_from_embedded(ctx, filename=None): + files_create_from_embedded_with_other_name( + ctx, filename_on_disk=filename, embedded_filename=filename + ) + + +def files_create_from_embedded_with_other_name( + ctx, filename_on_disk=None, embedded_filename=None +): + get_file = globals()["get_file"] + with open(filename_on_disk, "wb") as f: + f.write(get_file(embedded_filename)) + + +def files_create_from_text(ctx, filename=None, text=None): + with open(filename, "w") as f: + f.write(text) + + +def files_file_exists(ctx, filename=None): + assert_eq = globals()["assert_eq"] + assert_eq(os.path.exists(filename), True) + + +def files_file_does_not_exist(ctx, filename=None): + assert_eq = globals()["assert_eq"] + assert_eq(os.path.exists(filename), False) + + +def files_only_these_exist(ctx, filenames=None): + assert_eq = globals()["assert_eq"] + filenames = filenames.replace(",", "").split() + assert_eq(set(os.listdir(".")), set(filenames)) + + +def files_file_contains(ctx, filename=None, data=None): + assert_eq = globals()["assert_eq"] + with open(filename, "rb") as f: + actual = f.read() + actual = actual.decode("UTF-8") + assert_eq(data in actual, True) + + +def files_file_matches_regex(ctx, filename=None, regex=None): + assert_eq = globals()["assert_eq"] + with open(filename) as f: + content = f.read() + m = re.search(regex, content) + if m is None: + logging.debug(f"files_file_matches_regex: no match") + logging.debug(f" filenamed: {filename}") + logging.debug(f" regex: {regex}") + logging.debug(f" content: {regex}") + logging.debug(f" match: {m}") + assert_eq(bool(m), True) + + +def files_match(ctx, filename1=None, filename2=None): + assert_eq = globals()["assert_eq"] + with open(filename1, "rb") as f: + data1 = f.read() + with open(filename2, "rb") as f: + data2 = f.read() + assert_eq(data1, data2) + + +def files_touch_with_timestamp( + ctx, + filename=None, + year=None, + month=None, + day=None, + hour=None, + minute=None, + second=None, +): + t = ( + int(year), + int(month), + int(day), + int(hour), + int(minute), + int(second), + -1, + -1, + -1, + ) + ts = time.mktime(t) + _files_touch(filename, ts) + + +def files_touch(ctx, filename=None): + _files_touch(filename, None) + + +def _files_touch(filename, ts): + if not os.path.exists(filename): + open(filename, "w").close() + times = None + if ts is not None: + times = (ts, ts) + os.utime(filename, times=times) + + +def files_mtime_is_recent(ctx, filename=None): + st = os.stat(filename) + age = abs(st.st_mtime - time.time()) + assert age < 1.0 + + +def files_mtime_is_ancient(ctx, filename=None): + st = os.stat(filename) + age = abs(st.st_mtime - time.time()) + year = 365 * 24 * 60 * 60 + required = 39 * year + logging.debug(f"ancient? mtime={st.st_mtime} age={age} required={required}") + assert age > required + + +def files_remember_metadata(ctx, filename=None): + meta = _files_remembered(ctx) + meta[filename] = _files_get_metadata(filename) + logging.debug("files_remember_metadata:") + logging.debug(f" meta: {meta}") + logging.debug(f" ctx: {ctx}") + + +# Check that current metadata of a file is as stored in the context. +def files_has_remembered_metadata(ctx, filename=None): + assert_eq = globals()["assert_eq"] + meta = _files_remembered(ctx) + logging.debug("files_has_remembered_metadata:") + logging.debug(f" meta: {meta}") + logging.debug(f" ctx: {ctx}") + assert_eq(meta[filename], _files_get_metadata(filename)) + + +def files_has_different_metadata(ctx, filename=None): + assert_ne = globals()["assert_ne"] + meta = _files_remembered(ctx) + assert_ne(meta[filename], _files_get_metadata(filename)) + + +def _files_remembered(ctx): + ns = ctx.declare("_files") + return ns.get("remembered-metadata", {}) + + +def _files_get_metadata(filename): + st = os.lstat(filename) + keys = ["st_dev", "st_gid", "st_ino", "st_mode", "st_mtime", "st_size", "st_uid"] + return {key: getattr(st, key) for key in keys} diff --git a/subplot/vendored/files.yaml b/subplot/vendored/files.yaml new file mode 100644 index 0000000..be69920 --- /dev/null +++ b/subplot/vendored/files.yaml @@ -0,0 +1,62 @@ +- given: file {filename} + function: files_create_from_embedded + types: + filename: file + +- given: file {filename_on_disk} from {embedded_filename} + function: files_create_from_embedded_with_other_name + types: + embedded_filename: file + +- given: file {filename} has modification time {year}-{month}-{day} {hour}:{minute}:{second} + function: files_touch_with_timestamp + +- when: I write "(?P.*)" to file (?P\S+) + regex: true + function: files_create_from_text + +- when: I remember metadata for file {filename} + function: files_remember_metadata + +- when: I touch file {filename} + function: files_touch + +- then: file {filename} exists + function: files_file_exists + +- then: file {filename} does not exist + function: files_file_does_not_exist + +- then: only files (?P.+) exist + function: files_only_these_exist + regex: true + +- then: file (?P\S+) contains "(?P.*)" + regex: true + function: files_file_contains + +- then: file (?P\S+) matches regex /(?P.*)/ + regex: true + function: files_file_matches_regex + +- then: file (?P\S+) matches regex "(?P.*)" + regex: true + function: files_file_matches_regex + +- then: files {filename1} and {filename2} match + function: files_match + +- then: file {filename} has same metadata as before + function: files_has_remembered_metadata + +- then: file {filename} has different metadata from before + function: files_has_different_metadata + +- then: file {filename} has changed from before + function: files_has_different_metadata + +- then: file {filename} has a very recent modification time + function: files_mtime_is_recent + +- then: file {filename} has a very old modification time + function: files_mtime_is_ancient -- cgit v1.2.1