starmen1265/kb-skills
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

docs(08): complete phase 08 - Zhihu Crawler

Browse Source 
Phase 08: Crawler - All 3 plans complete

Verification: 7/7 must-haves passed
Tests: 44 passed

Requirements completed:
- CONT-01: Crawl Zhihu answers
- CONT-02: Crawl Zhihu articles
- CONT-03: Crawl comments (optional)
- CONT-04: Metadata extraction
- NET-01: Proxy configuration
- NET-02: Mandatory proxy
- NET-03: Rate limiting & retry

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
starmen1265
2026-03-17 22:23:56 +08:00
parent 123e307522
commit 007b0d70ef
2 changed files with 121 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.planning/STATE.md
+4 -3
View File
@@ -4,13 +4,13 @@ milestone: v1.2
milestone_name: Zhihu Crawler
status: completed
stopped_at: Completed 08-crawler-02-PLAN.md
last_updated: "2026-03-17T13:59:35.901Z"
last_updated: "2026-03-17T14:23:56.617Z"
last_activity: 2026-03-17 — Phase 07 Login Auth complete
progress:
total_phases: 9
completed_phases: 7
completed_phases: 8
total_plans: 24
completed_plans: 23
completed_plans: 24
percent: 100
---
@@ -46,6 +46,7 @@ Progress: [██████████] 100% (v1.2 milestone - Phase 7 comple
| 07-03 | 12min | 3 | 4 | 2026-03-17 |
| Phase 08 P01 | 3min | 2 tasks | 8 files |
| Phase 08-crawler P02 | 5min | 2 tasks | 3 files |
| Phase 08 P03 | 15min | 2 tasks | 5 files |
## Accumulated Context
.planning/phases/08-crawler/08-VERIFICATION.md
+117
View File
@@ -0,0 +1,117 @@
---
phase: 08-crawler
verified: 2026-03-17T22:35:00Z
status: passed
score: 7/7 must-haves verified
re_verification: false
gaps: []
human_verification:
- test: "Integration test with real Zhihu URL"
expected: "Crawl returns structured data with metadata"
why_human: "Requires real network access and valid cookie - cannot mock"
- test: "Proxy configuration verification"
expected: "Crawler works correctly with configured proxy"
why_human: "Requires actual proxy server to verify network behavior"
---
# Phase 8: Crawler Verification Report
**Phase Goal:** Implement Zhihu content crawler with API interception, comment support, and anti-crawl measures
**Verified:** 2026-03-17T22:35:00Z
**Status:** passed
**Re-verification:** No - initial verification
## Goal Achievement
### Observable Truths
| # | Truth | Status | Evidence |
| --- | ------------------------------------------------------------- | ------------ | ------------------------------------------------ |
| 1 | User can crawl Zhihu answers with question title, description, answer content | VERIFIED | `crawl_answer()` returns `AnswerData` with all fields |
| 2 | User can crawl Zhihu articles with title and body | VERIFIED | `crawl_article()` returns `ArticleData` with all fields |
| 3 | User can optionally include comments when crawling | VERIFIED | `include_comments` parameter in `crawl_answer()` |
| 4 | Crawl results include author info, publish time, vote count | VERIFIED | `ContentMetadata` with `AuthorInfo`, timestamps, vote counts |
| 5 | User can configure proxy via environment variables | VERIFIED | `CrawlerConfig.from_env()` reads `HTTP_PROXY`/`HTTPS_PROXY` |
| 6 | Crawler rejects execution without proxy when `proxy_required=True` | VERIFIED | `validate_proxy()` raises `ValueError` when no proxy configured |
| 7 | Requests have random delay (1-3s) with retry on failure | VERIFIED | `_apply_random_delay()`, `_crawl_with_retry()` with tenacity |
**Score:** 7/7 truths verified
### Required Artifacts
| Artifact | Expected | Status | Details |
| ------------------------------------------- | --------------------------- | ----------- | ------------------------------------------------- |
| `kb_workflow/crawler/zhihu_crawler.py` | ZhihuCrawler class (500+ lines) | VERIFIED | 591 lines, full implementation with API interception |
| `kb_workflow/crawler/models.py` | Pydantic data models | VERIFIED | 153 lines, all models defined (AnswerData, ArticleData, CommentData, etc.) |
| `kb_workflow/crawler/config.py` | CrawlerConfig class | VERIFIED | 142 lines, proxy, delay, retry configuration |
| `tests/test_crawler/test_answer_crawler.py` | Answer crawler tests | VERIFIED | 5 tests covering answer crawling |
| `tests/test_crawler/test_article_crawler.py` | Article crawler tests | VERIFIED | 4 tests covering article crawling |
| `tests/test_crawler/test_comment_crawler.py` | Comment crawler tests | VERIFIED | 6 tests covering comment crawling |
| `tests/test_crawler/test_metadata_extraction.py`| Metadata extraction tests | VERIFIED | 6 tests covering metadata parsing |
| `tests/test_crawler/test_proxy_config.py` | Proxy configuration tests | VERIFIED | 11 tests covering proxy parsing and validation |
| `tests/test_crawler/test_rate_limiter.py` | Rate limiter tests | VERIFIED | 11 tests covering delay and retry logic |
| `tests/test_crawler/test_api_intercept.py` | API interception tests | VERIFIED | 4 tests covering route interception |
### Key Link Verification
| From | To | Via | Status | Details |
| ----------------------------- | ------------------------------------ | ---------------------------- | -------- | ------------------------------------------------- |
| `ZhihuCrawler._get_cookie` | `kb_workflow.pipeline.config` | `get_settings().zhihu_cookie` | WIRED | Cookie loaded from settings configuration |
| `ZhihuCrawler.crawl_*` | Playwright `page.route()` | API interception | WIRED | Route interception set up for `/api/v4/**` endpoints |
| `ZhihuCrawler.crawl_comments`| `/api/v4/comment_v5/**` | Hot comment API | WIRED | Uses `order=hot` parameter, first-level comments only |
| `CrawlerConfig.from_env` | `HTTP_PROXY`/`HTTPS_PROXY` | Environment variables | WIRED | Parses proxy URL with optional authentication |
| `ZhihuCrawler._start_browser_with_proxy` | `browser.new_context(proxy=...)` | Playwright context | WIRED | Proxy config applied to browser context |
| `ZhihuCrawler._crawl_with_retry` | `tenacity.Retrying` | Retry with backoff | WIRED | Exponential backoff, 3 attempts max |
### Requirements Coverage
| Requirement | Source Plan | Description | Status | Evidence |
| ----------- | ---------- | -------------------------------------------------------------- | -------- | -------------------------------------------------- |
| CONT-01 | 08-01 | Crawl Zhihu answers - question title, description, content | SATISFIED | `crawl_answer()` returns `AnswerData` with all fields |
| CONT-02 | 08-01 | Crawl Zhihu articles - title, body, metadata | SATISFIED | `crawl_article()` returns `ArticleData` with all fields |
| CONT-03 | 08-02 | Crawl comments with optional switch | SATISFIED | `crawl_comments()`, `include_comments` parameter |
| CONT-04 | 08-01 | Extract author info, publish time, vote count | SATISFIED | `ContentMetadata` model with all fields |
| NET-01 | 08-03 | Support proxy IP configuration | SATISFIED | `CrawlerConfig.from_env()`, `ProxyConfig` model |
| NET-02 | 08-03 | Request rate control, avoid anti-crawl detection | SATISFIED | `_apply_random_delay()` with 1-3s range |
| NET-03 | 08-03 | Automatic request signature (x-zse-96), no manual reverse engineering | SATISFIED | Browser handles via `route.fetch()`, no manual signature code |
### Anti-Patterns Found
| File | Line | Pattern | Severity | Impact |
| ---- | ---- | ------- | -------- | ------ |
| - | - | No TODO/FIXME/placeholders found | - | - |
No anti-patterns detected. All implementations are substantive with proper error handling.
### Human Verification Required
1. **Integration test with real Zhihu URL**
- **Test:** Run crawler against actual Zhihu URL with valid cookie and proxy
- **Expected:** Crawl returns structured data with metadata
- **Why human:** Requires real network access and valid cookie - cannot mock
2. **Proxy configuration verification**
- **Test:** Configure proxy and run crawler against Zhihu
- **Expected:** Crawler works correctly with configured proxy
- **Why human:** Requires actual proxy server to verify network behavior
### Summary
All 7 must-haves from the 3 plans (08-01, 08-02, 08-03) have been verified:
- **CONT-01, CONT-02, CONT-04** (Plan 08-01): Answer/Article crawling with metadata - VERIFIED
- **CONT-03** (Plan 08-02): Comment crawling with optional switch - VERIFIED
- **NET-01, NET-02, NET-03** (Plan 08-03): Proxy, rate limiting, signature handling - VERIFIED
**Test Coverage:** 44 tests, all passing
**Code Quality:** No anti-patterns detected. Clean implementation with:
- Proper separation of concerns (models, config, crawler)
- Comprehensive error handling
- Retry with exponential backoff
- Fallback DOM parsing for articles
---
_Verified: 2026-03-17T22:35:00Z_
_Verifier: Claude (gsd-verifier)_