Mercurial > public > mercurial-scm > hg
comparison mercurial/hgweb/request.py @ 49846:fda5a4b853ab
hgweb: skip body creation of HEAD for most requests
The body is thrown away anyway, so this just wastes a lot of CPU time.
In the case of /archive/, this skips manifest processing and the actual
file archiving, resulting in a huge difference.
The most tricky part here is skipping the Content-Length creation as it
would indicate the output size for the corresponding GET request.
| author | Joerg Sonnenberger <joerg@bec.de> |
|---|---|
| date | Fri, 16 Dec 2022 17:46:20 +0100 |
| parents | 642e31cb55f0 |
| children | 9ed281bbf864 |
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| 49845:e0c0545e2e55 | 49846:fda5a4b853ab |
|---|---|
| 483 | 483 |
| 484 if ( | 484 if ( |
| 485 self._bodybytes is None | 485 self._bodybytes is None |
| 486 and self._bodygen is None | 486 and self._bodygen is None |
| 487 and not self._bodywillwrite | 487 and not self._bodywillwrite |
| 488 and self._req.method != b'HEAD' | |
| 488 ): | 489 ): |
| 489 raise error.ProgrammingError(b'response body not defined') | 490 raise error.ProgrammingError(b'response body not defined') |
| 490 | 491 |
| 491 # RFC 7232 Section 4.1 states that a 304 MUST generate one of | 492 # RFC 7232 Section 4.1 states that a 304 MUST generate one of |
| 492 # {Cache-Control, Content-Location, Date, ETag, Expires, Vary} | 493 # {Cache-Control, Content-Location, Date, ETag, Expires, Vary} |
| 592 chunk = bytes(chunk) | 593 chunk = bytes(chunk) |
| 593 | 594 |
| 594 yield chunk | 595 yield chunk |
| 595 elif self._bodywillwrite: | 596 elif self._bodywillwrite: |
| 596 self._bodywritefn = write | 597 self._bodywritefn = write |
| 598 elif self._req.method == b'HEAD': | |
| 599 pass | |
| 597 else: | 600 else: |
| 598 error.ProgrammingError(b'do not know how to send body') | 601 error.ProgrammingError(b'do not know how to send body') |
| 599 | 602 |
| 600 def getbodyfile(self): | 603 def getbodyfile(self): |
| 601 """Obtain a file object like object representing the response body. | 604 """Obtain a file object like object representing the response body. |