Python/Datetime: Difference between revisions
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= | = Parsing = | ||
{| class="wikitable" | {| class="wikitable" | ||
! TODO || Code | ! TODO || Code | ||
|- | |- | ||
| Parse RFC Time || <source lang="python3">datetime.strptime(s, '%a, %d %b %Y %H:%M:%S GMT')</source> | | Parse RFC Time || | ||
<source lang="python3"> | |||
import time | |||
import datetime | |||
# To date object | |||
dt = datetime.datetime.strptime(s, '%a, %d %b %Y %H:%M:%S GMT') | |||
# To timestamp | |||
ts = time.mktime(dt.timetuple()) | |||
</source> | |||
|} | |} | ||
= | = Formatting = | ||
{| class="wikitable" | {| class="wikitable" | ||
! || | ! TODO || Code | ||
|- | |- | ||
| || | | To ISO string || | ||
<source lang="python3"> | |||
import os.path | |||
import pytz | |||
import datetime | |||
# Without timezone | |||
mtime = datetime.datetime.fromtimestamp(os.path.getmtime(__file__)) | |||
print("ISO 8601: %s" % mtime.strftime('%Y-%m-%dT%H:%M:%SZ')) | |||
# With timezone | |||
mtime = datetime.datetime.fromtimestamp(os.path.getmtime(__file__), pytz.timezone('Asia/Taipei')) | |||
print("ISO 8601: %s" % mtime.strftime('%Y-%m-%dT%H:%M:%S%z')) | |||
</source> | |||
|- | |||
| To RFC string || | |||
<source lang="python3"> | |||
import os.path | |||
import pytz | |||
import datetime | |||
# Without timezone | |||
mtime = datetime.fromtimestamp(os.path.getmtime(__file__)) | |||
print("RFC 2822: %s" % mtime.strftime('%a, %d %b %Y %H:%M:%S %Z')) | |||
# With timezone | |||
mtime = datetime.fromtimestamp(os.path.getmtime(__file__), pytz.timezone('Asia/Taipei')) | |||
print("RFC 2822: %s" % mtime.strftime('%a, %d %b %Y %H:%M:%S %Z')) | |||
</source> | |||
|} | |} | ||
= Manipulate = | = Manipulate = | ||
{| class="wikitable" | {| class="wikitable" | ||
! || | ! TODO || Code | ||
|- | |- | ||
| || | | Yesterday || | ||
<source lang="python"> | |||
yesterday = (datetime.today() - timedelta(days=1)).strftime('%Y-%m-%d') | |||
</source> | |||
|} | |} | ||
Latest revision as of 08:32, 22 May 2019
Parsing
| TODO | Code |
|---|---|
| Parse RFC Time |
import time
import datetime
# To date object
dt = datetime.datetime.strptime(s, '%a, %d %b %Y %H:%M:%S GMT')
# To timestamp
ts = time.mktime(dt.timetuple())
|
Formatting
| TODO | Code |
|---|---|
| To ISO string |
import os.path
import pytz
import datetime
# Without timezone
mtime = datetime.datetime.fromtimestamp(os.path.getmtime(__file__))
print("ISO 8601: %s" % mtime.strftime('%Y-%m-%dT%H:%M:%SZ'))
# With timezone
mtime = datetime.datetime.fromtimestamp(os.path.getmtime(__file__), pytz.timezone('Asia/Taipei'))
print("ISO 8601: %s" % mtime.strftime('%Y-%m-%dT%H:%M:%S%z'))
|
| To RFC string |
import os.path
import pytz
import datetime
# Without timezone
mtime = datetime.fromtimestamp(os.path.getmtime(__file__))
print("RFC 2822: %s" % mtime.strftime('%a, %d %b %Y %H:%M:%S %Z'))
# With timezone
mtime = datetime.fromtimestamp(os.path.getmtime(__file__), pytz.timezone('Asia/Taipei'))
print("RFC 2822: %s" % mtime.strftime('%a, %d %b %Y %H:%M:%S %Z'))
|
Manipulate
| TODO | Code |
|---|---|
| Yesterday |
yesterday = (datetime.today() - timedelta(days=1)).strftime('%Y-%m-%d')
|